[INFO] fetching crate bitsong 0.1.3...
[INFO] testing bitsong-0.1.3 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate bitsong 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bitsong 0.1.3
[INFO] finished tweaking crates.io crate bitsong 0.1.3
[INFO] tweaked toml for crates.io crate bitsong 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitsong 0.1.3 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bitsong 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63fd74dbf3c83ebbbcadb2418ff2c263f7629e873636b55cd8f847e6fce25a5a
[INFO] running `Command { std: "docker" "start" "-a" "63fd74dbf3c83ebbbcadb2418ff2c263f7629e873636b55cd8f847e6fce25a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63fd74dbf3c83ebbbcadb2418ff2c263f7629e873636b55cd8f847e6fce25a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fd74dbf3c83ebbbcadb2418ff2c263f7629e873636b55cd8f847e6fce25a5a", kill_on_drop: false }`
[INFO] [stdout] 63fd74dbf3c83ebbbcadb2418ff2c263f7629e873636b55cd8f847e6fce25a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd67afc2be95101b1cf17b13e184aca8e1a929d37a9b9be82b90e17ddf84e8c7
[INFO] running `Command { std: "docker" "start" "-a" "cd67afc2be95101b1cf17b13e184aca8e1a929d37a9b9be82b90e17ddf84e8c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling bitsong-macros v0.1.1
[INFO] [stderr]    Compiling bitsong v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "cd67afc2be95101b1cf17b13e184aca8e1a929d37a9b9be82b90e17ddf84e8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd67afc2be95101b1cf17b13e184aca8e1a929d37a9b9be82b90e17ddf84e8c7", kill_on_drop: false }`
[INFO] [stdout] cd67afc2be95101b1cf17b13e184aca8e1a929d37a9b9be82b90e17ddf84e8c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac1313cc723b7ae4a209eb95e19ef692f3c7d749c7ffc1f2c90658428a424bc0
[INFO] running `Command { std: "docker" "start" "-a" "ac1313cc723b7ae4a209eb95e19ef692f3c7d749c7ffc1f2c90658428a424bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitsong v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "ac1313cc723b7ae4a209eb95e19ef692f3c7d749c7ffc1f2c90658428a424bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1313cc723b7ae4a209eb95e19ef692f3c7d749c7ffc1f2c90658428a424bc0", kill_on_drop: false }`
[INFO] [stdout] ac1313cc723b7ae4a209eb95e19ef692f3c7d749c7ffc1f2c90658428a424bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f84410be8769072843e2d593c02f16ff3d4fa50fb210584dece8119d440e838
[INFO] running `Command { std: "docker" "start" "-a" "5f84410be8769072843e2d593c02f16ff3d4fa50fb210584dece8119d440e838", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bitsong-b32973e0669cf092)
[INFO] [stderr]    Doc-tests bitsong
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::const_song_size ... ok
[INFO] [stdout] test test::round_trip ... ok
[INFO] [stdout] test test::serialize ... ok
[INFO] [stdout] test test::deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 16) stdout ----
[INFO] [stdout] error: cannot find derive macro `FromSong` in this scope
[INFO] [stdout]   --> src/../README.md:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Copy, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `ToSong` in this scope
[INFO] [stdout]   --> src/../README.md:19:55
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Copy, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `SongSize` in this scope
[INFO] [stdout]   --> src/../README.md:19:63
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Clone, Copy, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `FromSong` in this scope
[INFO] [stdout]   --> src/../README.md:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `ToSong` in this scope
[INFO] [stdout]   --> src/../README.md:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `SongSize` in this scope
[INFO] [stdout]   --> src/../README.md:28:57
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `FromSong` in this scope
[INFO] [stdout]   --> src/../README.md:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `ToSong` in this scope
[INFO] [stdout]   --> src/../README.md:33:49
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `SongSize` in this scope
[INFO] [stdout]   --> src/../README.md:33:57
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `song` in this scope
[INFO] [stdout]   --> src/../README.md:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[song(discriminant(PetType = u8))]
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `FromSong` in this scope
[INFO] [stdout]   --> src/../README.md:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `ToSong` in this scope
[INFO] [stdout]   --> src/../README.md:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `SongSize` in this scope
[INFO] [stdout]   --> src/../README.md:41:57
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[derive(Clone, Debug, PartialEq, Eq, FromSong, ToSong, SongSize)]
[INFO] [stdout]    |                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.32s; merged doctests compilation took 0.12s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5f84410be8769072843e2d593c02f16ff3d4fa50fb210584dece8119d440e838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f84410be8769072843e2d593c02f16ff3d4fa50fb210584dece8119d440e838", kill_on_drop: false }`
[INFO] [stdout] 5f84410be8769072843e2d593c02f16ff3d4fa50fb210584dece8119d440e838
