[Pkg-rust-maintainers] Bug#953194: Bug#953194: src:rust-unicode-xid: fails to migrate to testing for too long

[Paul Gevers]

Hi Sylvestre,

On 08-03-2020 14:59, Sylvestre Ledru wrote:
> However, I think the migration status should be improved to give more
> information.

We are full aware of that and have been working quite a bit on this.
Unfortunately, it's quite involved for situations like the rust situation.

> For example, for this package, I am not able to understand what is going
> on:
> 
> https://qa.debian.org/excuses.php?package=rust-unicode-xid

That page has a link [log], which points at the log of the second phase
of our migration software. Please read our documentation [1] on how to
"read" it.

[1] https://release.debian.org/doc/britney/

> I would be happy to fix it but I don't know why it didn't migrate :(

Migrating it would make lots of packages not-installable in testing:

   trying: rust-which rust-bindgen rust-env-logger rust-proc-macro2
rust-stdweb-internal-macros rust-serde-derive rust-quote rust-ctor
rust-syn rust-cssparser-macros rust-derive-more rust-proc-macro-error
rust-structopt-derive rust-structopt rust-synstructure rust-unicode-xid
rust-scroll-derive rust-stdweb-derive rust-nitrokey-test
rust-wasm-bindgen-macro-support rust-wasm-bindgen-backend
rust-wasm-bindgen-shared rust-wasm-bindgen-macro rust-num-derive
rust-strum-macros rust-gumdrop-derive rust-data-encoding-macro-internal
rust-proc-macro-hack rust-derive-new rust-enum-as-inner rust-clang-sys
rust-glob rust-cpp-demangle
   skipped: rust-which rust-bindgen rust-env-logger rust-proc-macro2
rust-stdweb-internal-macros rust-serde-derive rust-quote rust-ctor
rust-syn rust-cssparser-macros rust-derive-more rust-proc-macro-error
rust-structopt-derive rust-structopt rust-synstructure rust-unicode-xid
rust-scroll-derive rust-stdweb-derive rust-nitrokey-test
rust-wasm-bindgen-macro-support rust-wasm-bindgen-backend
rust-wasm-bindgen-shared rust-wasm-bindgen-macro rust-num-derive
rust-strum-macros rust-gumdrop-derive rust-data-encoding-macro-internal
rust-proc-macro-hack rust-derive-new rust-enum-as-inner rust-clang-sys
rust-glob rust-cpp-demangle (80, 30, 10)
    got: 89+0: a-1:a-0:a-0:a-0:i-17:m-0:m-0:p-70:s-1
    * ppc64el: librust-addr2line+cpp-demangle-dev,
librust-addr2line+default-dev, librust-addr2line+rustc-demangle-dev,
librust-addr2line-dev, librust-assert-cli-dev,
librust-backtrace+addr2line-dev, librust-backtrace+findshlibs-dev,
librust-backtrace+gimli-symbolize-dev, librust-backtrace+object-dev,
librust-cargo+openssl-dev, librust-cargo+vendored-openssl-dev,
librust-cargo-dev, librust-crates-io-dev, librust-debcargo-dev,
librust-failure+default-dev, librust-failure+derive-dev,
librust-failure+failure-derive-dev, librust-failure-derive-dev,
librust-findshlibs-dev, librust-getrandom+stdweb-dev,
librust-getrandom+wasm-bindgen-dev, librust-goblin+alloc-dev,
librust-goblin+default-dev, librust-goblin+mach32-dev,
librust-goblin+mach64-dev, librust-goblin+pe32-dev,
librust-goblin+pe64-dev, librust-goblin+std-dev, librust-gumdrop-dev,
librust-markup5ever-dev, librust-no-panic-dev,
librust-object+compression-dev, librust-object+default-dev,
librust-object+flate2-dev, librust-object+parity-wasm-dev,
librust-object+std-dev, librust-object+wasm-dev, librust-object-dev,
librust-opener-dev, librust-packed-simd+sleef-sys-dev, librust-pem-dev,
librust-quickcheck+default-dev, librust-quickcheck+env-logger-dev,
librust-quickcheck+regex-dev, librust-quickcheck+use-logging-dev,
librust-rand+stdweb-dev, librust-rand+wasm-bindgen-dev,
librust-rand-0.5+stdweb-dev, librust-rand-os+stdweb-dev,
librust-rand-os+wasm-bindgen-dev, librust-rustfix-dev,
librust-ryu+no-panic-dev, librust-scroll+derive-dev,
librust-scroll+scroll-derive-dev, librust-sleef-sys-dev,
librust-sloppy-rfc4880-dev, librust-stdweb+default-dev,
librust-stdweb+serde-dev, librust-stdweb+serde-json-dev,
librust-stdweb-dev, librust-string-cache-codegen-dev,
librust-string-cache-dev, librust-wasm-bindgen+default-dev,
librust-wasm-bindgen+serde-dev, librust-wasm-bindgen+serde-json-dev,
librust-wasm-bindgen+serde-serialize-dev,
librust-wasm-bindgen+spans-dev, librust-wasm-bindgen+strict-macro-dev,
librust-wasm-bindgen+xxx-debug-only-print-generated-code-dev,
librust-wasm-bindgen-dev

and

trying: rust-unicode-xid
skipped: rust-unicode-xid (80, 47, 25)
    got: 217+0: a-1:a-0:a-0:a-0:i-17:m-0:m-0:p-198:s-1
    * ppc64el: librust-addr2line+cpp-demangle-dev,
librust-addr2line+default-dev, librust-addr2line+rustc-demangle-dev,
librust-addr2line-dev, librust-assert-cli-dev, librust-atlatl+serde-dev,
librust-backtrace+addr2line-dev, librust-backtrace+findshlibs-dev,
librust-backtrace+gimli-symbolize-dev, librust-backtrace+object-dev,
librust-backtrace+serde-derive-dev,
librust-backtrace+serialize-serde-dev, librust-bindgen+env-logger-dev,
librust-bindgen+log-dev, librust-bindgen+logging-dev,
librust-bindgen-dev, librust-bytesize+serde-dev,
librust-cargo+openssl-dev, librust-cargo+vendored-openssl-dev,
librust-cargo-dev, librust-cargo-metadata-dev,
librust-const-random-macro-dev, librust-crates-io-dev,
librust-cssparser-macros-dev, librust-ctor-dev,
librust-data-encoding-macro-internal+proc-macro-hack-dev,
librust-data-encoding-macro-internal+stable-dev,
librust-data-encoding-macro-internal-dev, librust-debcargo-dev,
librust-derive-more-dev, librust-derive-new-dev,
librust-dns-parser+serde-derive-dev, librust-dns-parser+with-serde-dev,
librust-docopt-dev, librust-either+serde-dev, librust-enum-as-inner-dev,
librust-euclid+serde-dev, librust-euclid-0.19+serde-dev,
librust-extprim+default-dev, librust-extprim+serde-dev,
librust-failure+default-dev, librust-failure+derive-dev,
librust-failure+failure-derive-dev, librust-failure-derive-dev,
librust-findshlibs-dev, librust-getrandom+stdweb-dev,
librust-getrandom+wasm-bindgen-dev, librust-goblin+alloc-dev,
librust-goblin+default-dev, librust-goblin+mach32-dev,
librust-goblin+mach64-dev, librust-goblin+pe32-dev,
librust-goblin+pe64-dev, librust-goblin+std-dev,
librust-grep+simd-accel-dev, librust-grep-dev,
librust-grep-printer+serde-derive-dev, librust-grep-printer+serde1-dev,
librust-gumdrop-derive-dev, librust-gumdrop-dev,
librust-hyphenation+embed-all-dev, librust-hyphenation+nfc-dev,
librust-hyphenation+nfd-dev, librust-hyphenation+nfkc-dev,
librust-hyphenation+nfkd-dev, librust-hyphenation+pocket-resources-dev,
librust-hyphenation+unicode-normalization-dev,
librust-hyphenation-commons-dev, librust-hyphenation-dev,
librust-lyon-geom+serde-dev, librust-lyon-geom+serialization-dev,
librust-lyon-path+serde-dev, librust-lyon-path+serialization-dev,
librust-markup5ever-dev, librust-maxminddb+memmap-dev,
librust-maxminddb+mmap-dev, librust-maxminddb-dev,
librust-nitrokey-test-dev, librust-no-panic-dev,
librust-num-derive+full-syntax-dev, librust-num-derive-dev,
librust-object+compression-dev, librust-object+default-dev,
librust-object+flate2-dev, librust-object+parity-wasm-dev,
librust-object+std-dev, librust-object+wasm-dev, librust-object-dev,
librust-opener-dev, librust-packed-simd+sleef-sys-dev, librust-pem-dev,
librust-petgraph+serde-1-dev, librust-petgraph+serde-derive-dev,
librust-pktparse+derive-dev, librust-pktparse+serde-derive-dev,
librust-proc-macro-hack-dev, librust-proc-macro2-dev,
librust-quote+proc-macro-dev, librust-quote-dev,
librust-rand+serde1-dev, librust-rand+stdweb-dev,
librust-rand+wasm-bindgen-dev, librust-rand-0.5+serde-derive-dev,
librust-rand-0.5+serde1-dev, librust-rand-0.5+stdweb-dev,
librust-rand-core+serde-dev, librust-rand-core-0.2+serde1-dev,
librust-rand-core-0.3+serde-derive-dev,
librust-rand-core-0.3+serde1-dev,
librust-rand-core-0.4+serde-derive-dev,
librust-rand-core-0.4+serde1-dev, librust-rand-isaac+serde-dev,
librust-rand-isaac+serde1-dev, librust-rand-isaac-0.1+serde-derive-dev,
librust-rand-isaac-0.1+serde1-dev, librust-rand-os+stdweb-dev,
librust-rand-os+wasm-bindgen-dev, librust-rand-pcg+serde-dev,
librust-rand-pcg-0.1+serde-derive-dev, librust-rand-pcg-0.1+serde1-dev,
librust-rand-xorshift+serde-dev,
librust-rand-xorshift-0.1+serde-derive-dev,
librust-rand-xorshift-0.1+serde1-dev, librust-rand-xoshiro+serde-dev,
librust-rgb+serde-dev, librust-ron-dev, librust-rustfix-dev,
librust-ryu+no-panic-dev, librust-scroll+derive-dev,
librust-scroll+scroll-derive-dev, librust-scroll-derive-dev,
librust-serde+derive-dev, librust-serde-derive-dev,
librust-sleef-sys-dev, librust-sloppy-rfc4880-dev,
librust-stdweb+default-dev, librust-stdweb+serde-dev,
librust-stdweb+serde-json-dev, librust-stdweb-derive-dev,
librust-stdweb-dev, librust-stdweb-internal-macros-dev,
librust-string-cache-codegen-dev, librust-string-cache-dev,
librust-structopt+color-dev, librust-structopt+debug-dev,
librust-structopt+default-dev, librust-structopt+doc-dev,
librust-structopt+nightly-dev, librust-structopt+no-cargo-dev,
librust-structopt+suggestions-dev, librust-structopt+wrap-help-dev,
librust-structopt+yaml-dev, librust-structopt-derive+nightly-dev,
librust-structopt-derive-dev, librust-structopt-dev,
librust-strum-macros-dev, librust-syn+default-dev,
librust-syn+printing-dev, librust-syn+proc-macro-dev, librust-syn-dev,
librust-synstructure-dev, librust-syntect+bincode-dev,
librust-syntect+default-dev, librust-syntect+dump-create-dev,
librust-syntect+dump-create-rs-dev, librust-syntect+dump-load-dev,
librust-syntect+dump-load-rs-dev, librust-syntect+flate2-dev,
librust-syntect+fnv-dev, librust-syntect+html-dev,
librust-syntect+onig-dev, librust-syntect+parsing-dev,
librust-syntect+regex-syntax-dev, librust-syntect+yaml-load-dev,
librust-syntect+yaml-rust-dev, librust-syntect-dev,
librust-syscallz-dev, librust-textwrap+hyphenation-dev,
librust-unicode-bidi+serde-dev, librust-unicode-bidi+with-serde-dev,
librust-vec-map+eders-dev, librust-vec-map+serde-dev,
librust-wasm-bindgen+default-dev, librust-wasm-bindgen+serde-dev,
librust-wasm-bindgen+serde-json-dev,
librust-wasm-bindgen+serde-serialize-dev,
librust-wasm-bindgen+spans-dev, librust-wasm-bindgen+strict-macro-dev,
librust-wasm-bindgen+xxx-debug-only-print-generated-code-dev,
librust-wasm-bindgen-backend+extra-traits-dev,
librust-wasm-bindgen-backend-dev, librust-wasm-bindgen-dev,
librust-wasm-bindgen-macro+spans-dev,
librust-wasm-bindgen-macro+strict-macro-dev,
librust-wasm-bindgen-macro-dev,
librust-wasm-bindgen-macro-support+extra-traits-dev,
librust-wasm-bindgen-macro-support+spans-dev,
librust-wasm-bindgen-macro-support-dev

Paul