[INFO] fetching crate mtag 0.5.1...
[INFO] testing mtag-0.5.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mtag 0.5.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mtag 0.5.1
[INFO] finished tweaking crates.io crate mtag 0.5.1
[INFO] tweaked toml for crates.io crate mtag 0.5.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtag 0.5.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mtag 0.5.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 762092d4ed6c663feed2343482eac3bedfb9db327c17d49ffc3612f54bcf4e8c
[INFO] running `Command { std: "docker" "start" "-a" "762092d4ed6c663feed2343482eac3bedfb9db327c17d49ffc3612f54bcf4e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "762092d4ed6c663feed2343482eac3bedfb9db327c17d49ffc3612f54bcf4e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762092d4ed6c663feed2343482eac3bedfb9db327c17d49ffc3612f54bcf4e8c", kill_on_drop: false }`
[INFO] [stdout] 762092d4ed6c663feed2343482eac3bedfb9db327c17d49ffc3612f54bcf4e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fec3ca604d0298e1fd17ad1a6141d30c5a8cb30c84ca95078e5cf4c6eb1f06
[INFO] running `Command { std: "docker" "start" "-a" "f3fec3ca604d0298e1fd17ad1a6141d30c5a8cb30c84ca95078e5cf4c6eb1f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling mp4ameta_proc v0.6.0
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling mp4ameta v0.11.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling clap v3.0.5
[INFO] [stderr]    Compiling clap_complete v3.0.2
[INFO] [stderr]    Compiling mtag v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "f3fec3ca604d0298e1fd17ad1a6141d30c5a8cb30c84ca95078e5cf4c6eb1f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fec3ca604d0298e1fd17ad1a6141d30c5a8cb30c84ca95078e5cf4c6eb1f06", kill_on_drop: false }`
[INFO] [stdout] f3fec3ca604d0298e1fd17ad1a6141d30c5a8cb30c84ca95078e5cf4c6eb1f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8cfd635de80d1b96f5fd6e84c78819572d856e33c0b3ccc86f6d8511b047249
[INFO] running `Command { std: "docker" "start" "-a" "d8cfd635de80d1b96f5fd6e84c78819572d856e33c0b3ccc86f6d8511b047249", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtag v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d8cfd635de80d1b96f5fd6e84c78819572d856e33c0b3ccc86f6d8511b047249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cfd635de80d1b96f5fd6e84c78819572d856e33c0b3ccc86f6d8511b047249", kill_on_drop: false }`
[INFO] [stdout] d8cfd635de80d1b96f5fd6e84c78819572d856e33c0b3ccc86f6d8511b047249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa28f1b8e903d49e81e694b6d9a43745741ae71e851e20096aca92de47181f71
[INFO] running `Command { std: "docker" "start" "-a" "aa28f1b8e903d49e81e694b6d9a43745741ae71e851e20096aca92de47181f71", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mtag-03d9597174cf40ed)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa28f1b8e903d49e81e694b6d9a43745741ae71e851e20096aca92de47181f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa28f1b8e903d49e81e694b6d9a43745741ae71e851e20096aca92de47181f71", kill_on_drop: false }`
[INFO] [stdout] aa28f1b8e903d49e81e694b6d9a43745741ae71e851e20096aca92de47181f71