[INFO] fetching crate mtag 0.5.1...
[INFO] testing mtag-0.5.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mtag 0.5.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtag 0.5.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbbaeee06714aa5561d0bc6befd9cc512146e82cd33f5a7ccd78456ad291d171
[INFO] running `Command { std: "docker" "start" "-a" "bbbaeee06714aa5561d0bc6befd9cc512146e82cd33f5a7ccd78456ad291d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbbaeee06714aa5561d0bc6befd9cc512146e82cd33f5a7ccd78456ad291d171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbaeee06714aa5561d0bc6befd9cc512146e82cd33f5a7ccd78456ad291d171", kill_on_drop: false }`
[INFO] [stdout] bbbaeee06714aa5561d0bc6befd9cc512146e82cd33f5a7ccd78456ad291d171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac55b837a4133d950689c465fc9ccf06277ab82f8935ceb0e2bc7a7cbb52e9f7
[INFO] running `Command { std: "docker" "start" "-a" "ac55b837a4133d950689c465fc9ccf06277ab82f8935ceb0e2bc7a7cbb52e9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[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 os_str_bytes v6.0.0
[INFO] [stderr]    Compiling mp4ameta v0.11.0
[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 14.28s
[INFO] running `Command { std: "docker" "inspect" "ac55b837a4133d950689c465fc9ccf06277ab82f8935ceb0e2bc7a7cbb52e9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac55b837a4133d950689c465fc9ccf06277ab82f8935ceb0e2bc7a7cbb52e9f7", kill_on_drop: false }`
[INFO] [stdout] ac55b837a4133d950689c465fc9ccf06277ab82f8935ceb0e2bc7a7cbb52e9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43822259478d57d534747c9fb6234c1524a1287d5b89caf14a2e448bad9f44cd
[INFO] running `Command { std: "docker" "start" "-a" "43822259478d57d534747c9fb6234c1524a1287d5b89caf14a2e448bad9f44cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtag v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "43822259478d57d534747c9fb6234c1524a1287d5b89caf14a2e448bad9f44cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43822259478d57d534747c9fb6234c1524a1287d5b89caf14a2e448bad9f44cd", kill_on_drop: false }`
[INFO] [stdout] 43822259478d57d534747c9fb6234c1524a1287d5b89caf14a2e448bad9f44cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66f575ec6c1449d0995e3a7d549111ea0c2c97489907d6f761d10e8ede263310
[INFO] running `Command { std: "docker" "start" "-a" "66f575ec6c1449d0995e3a7d549111ea0c2c97489907d6f761d10e8ede263310", kill_on_drop: false }`
[INFO] [stdout] 
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mtag-03d9597174cf40ed)
[INFO] running `Command { std: "docker" "inspect" "66f575ec6c1449d0995e3a7d549111ea0c2c97489907d6f761d10e8ede263310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f575ec6c1449d0995e3a7d549111ea0c2c97489907d6f761d10e8ede263310", kill_on_drop: false }`
[INFO] [stdout] 66f575ec6c1449d0995e3a7d549111ea0c2c97489907d6f761d10e8ede263310