[INFO] fetching crate mp3-duration-sum 0.1.1...
[INFO] testing mp3-duration-sum-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mp3-duration-sum 0.1.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate mp3-duration-sum 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mp3-duration-sum 0.1.1
[INFO] finished tweaking crates.io crate mp3-duration-sum 0.1.1
[INFO] tweaked toml for crates.io crate mp3-duration-sum 0.1.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c0ac434d9f32b7fae82e16c7d5b1169c8f42f1b41f497e8cdc2554bb9489970
[INFO] running `Command { std: "docker" "start" "-a" "8c0ac434d9f32b7fae82e16c7d5b1169c8f42f1b41f497e8cdc2554bb9489970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c0ac434d9f32b7fae82e16c7d5b1169c8f42f1b41f497e8cdc2554bb9489970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0ac434d9f32b7fae82e16c7d5b1169c8f42f1b41f497e8cdc2554bb9489970", kill_on_drop: false }`
[INFO] [stdout] 8c0ac434d9f32b7fae82e16c7d5b1169c8f42f1b41f497e8cdc2554bb9489970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd62196a88c05af895d47131c1798719825c80da8a37772a82dd0d34a4a7cb09
[INFO] running `Command { std: "docker" "start" "-a" "dd62196a88c05af895d47131c1798719825c80da8a37772a82dd0d34a4a7cb09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling mp3-duration v0.1.10
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling mp3-duration-sum v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "dd62196a88c05af895d47131c1798719825c80da8a37772a82dd0d34a4a7cb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd62196a88c05af895d47131c1798719825c80da8a37772a82dd0d34a4a7cb09", kill_on_drop: false }`
[INFO] [stdout] dd62196a88c05af895d47131c1798719825c80da8a37772a82dd0d34a4a7cb09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db95fa7fd6bd0a32feccd37fdc6f651d0ea065cffa80396024d85a4e2e2da0ae
[INFO] running `Command { std: "docker" "start" "-a" "db95fa7fd6bd0a32feccd37fdc6f651d0ea065cffa80396024d85a4e2e2da0ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp3-duration-sum v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "db95fa7fd6bd0a32feccd37fdc6f651d0ea065cffa80396024d85a4e2e2da0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db95fa7fd6bd0a32feccd37fdc6f651d0ea065cffa80396024d85a4e2e2da0ae", kill_on_drop: false }`
[INFO] [stdout] db95fa7fd6bd0a32feccd37fdc6f651d0ea065cffa80396024d85a4e2e2da0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fee1dbe4eb4ed6c2f4c7b39c717043d85b53f6e230df09a22ecace9c4214caee
[INFO] running `Command { std: "docker" "start" "-a" "fee1dbe4eb4ed6c2f4c7b39c717043d85b53f6e230df09a22ecace9c4214caee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mp3_duration_sum-d8f4dbdef9c14bfe)
[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" "fee1dbe4eb4ed6c2f4c7b39c717043d85b53f6e230df09a22ecace9c4214caee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee1dbe4eb4ed6c2f4c7b39c717043d85b53f6e230df09a22ecace9c4214caee", kill_on_drop: false }`
[INFO] [stdout] fee1dbe4eb4ed6c2f4c7b39c717043d85b53f6e230df09a22ecace9c4214caee