[INFO] fetching crate mtag 0.5.1...
[INFO] testing mtag-0.5.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mtag 0.5.1 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate mtag 0.5.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-25/source/Cargo.toml
[INFO] crate crates.io crate mtag 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 665d7047432b4964c39456aae9c5ff2c7c59c55c2a98d43b20196ce570872307
[INFO] running `Command { std: "docker" "start" "-a" "665d7047432b4964c39456aae9c5ff2c7c59c55c2a98d43b20196ce570872307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "665d7047432b4964c39456aae9c5ff2c7c59c55c2a98d43b20196ce570872307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665d7047432b4964c39456aae9c5ff2c7c59c55c2a98d43b20196ce570872307", kill_on_drop: false }`
[INFO] [stdout] 665d7047432b4964c39456aae9c5ff2c7c59c55c2a98d43b20196ce570872307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3127e25346c0a06eeb8101d0d6b183f1ba2b9ad9d95794aa51a53ad6efbd2d85
[INFO] running `Command { std: "docker" "start" "-a" "3127e25346c0a06eeb8101d0d6b183f1ba2b9ad9d95794aa51a53ad6efbd2d85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.10.0
[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 os_str_bytes v6.0.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
[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 [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "3127e25346c0a06eeb8101d0d6b183f1ba2b9ad9d95794aa51a53ad6efbd2d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3127e25346c0a06eeb8101d0d6b183f1ba2b9ad9d95794aa51a53ad6efbd2d85", kill_on_drop: false }`
[INFO] [stdout] 3127e25346c0a06eeb8101d0d6b183f1ba2b9ad9d95794aa51a53ad6efbd2d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6737b4b31ee1dcad5997ca282bcdc4a8a6269de2bfb28575cb616f4dc5bcfda
[INFO] running `Command { std: "docker" "start" "-a" "b6737b4b31ee1dcad5997ca282bcdc4a8a6269de2bfb28575cb616f4dc5bcfda", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtag v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mtag-0af1214a1c79f441)
[INFO] running `Command { std: "docker" "inspect" "b6737b4b31ee1dcad5997ca282bcdc4a8a6269de2bfb28575cb616f4dc5bcfda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6737b4b31ee1dcad5997ca282bcdc4a8a6269de2bfb28575cb616f4dc5bcfda", kill_on_drop: false }`
[INFO] [stdout] b6737b4b31ee1dcad5997ca282bcdc4a8a6269de2bfb28575cb616f4dc5bcfda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 461b8b3f54bb56521865cab60279cbd95ed7424ef32d2fb4fde083a36519852f
[INFO] running `Command { std: "docker" "start" "-a" "461b8b3f54bb56521865cab60279cbd95ed7424ef32d2fb4fde083a36519852f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mtag-0af1214a1c79f441)
[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] running `Command { std: "docker" "inspect" "461b8b3f54bb56521865cab60279cbd95ed7424ef32d2fb4fde083a36519852f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461b8b3f54bb56521865cab60279cbd95ed7424ef32d2fb4fde083a36519852f", kill_on_drop: false }`
[INFO] [stdout] 461b8b3f54bb56521865cab60279cbd95ed7424ef32d2fb4fde083a36519852f