[INFO] fetching crate learning-trait 0.1.0...
[INFO] testing learning-trait-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate learning-trait 0.1.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate learning-trait 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate learning-trait 0.1.0
[INFO] finished tweaking crates.io crate learning-trait 0.1.0
[INFO] tweaked toml for crates.io crate learning-trait 0.1.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be39ab58a8ec7c5ce31a6fbd38c09cd892a45d5ffe022e0c3b6fceaed096978c
[INFO] running `Command { std: "docker" "start" "-a" "be39ab58a8ec7c5ce31a6fbd38c09cd892a45d5ffe022e0c3b6fceaed096978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be39ab58a8ec7c5ce31a6fbd38c09cd892a45d5ffe022e0c3b6fceaed096978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be39ab58a8ec7c5ce31a6fbd38c09cd892a45d5ffe022e0c3b6fceaed096978c", kill_on_drop: false }`
[INFO] [stdout] be39ab58a8ec7c5ce31a6fbd38c09cd892a45d5ffe022e0c3b6fceaed096978c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ffd8a4b2fe96e9a0ae6a59ca91c304323a49f4362ceaa0f8c22478469042e5
[INFO] running `Command { std: "docker" "start" "-a" "c7ffd8a4b2fe96e9a0ae6a59ca91c304323a49f4362ceaa0f8c22478469042e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "c7ffd8a4b2fe96e9a0ae6a59ca91c304323a49f4362ceaa0f8c22478469042e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ffd8a4b2fe96e9a0ae6a59ca91c304323a49f4362ceaa0f8c22478469042e5", kill_on_drop: false }`
[INFO] [stdout] c7ffd8a4b2fe96e9a0ae6a59ca91c304323a49f4362ceaa0f8c22478469042e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92ca14ee28b8b68b241ba0be36643b9e726d68a4e8bcb33383e5548e7af115f
[INFO] running `Command { std: "docker" "start" "-a" "a92ca14ee28b8b68b241ba0be36643b9e726d68a4e8bcb33383e5548e7af115f", 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] [stderr]    Compiling learning-trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "a92ca14ee28b8b68b241ba0be36643b9e726d68a4e8bcb33383e5548e7af115f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92ca14ee28b8b68b241ba0be36643b9e726d68a4e8bcb33383e5548e7af115f", kill_on_drop: false }`
[INFO] [stdout] a92ca14ee28b8b68b241ba0be36643b9e726d68a4e8bcb33383e5548e7af115f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cb5a542082615956c22a296131c48c5b0b90e25a7e2741f6ff5ce163e5dfdbd
[INFO] running `Command { std: "docker" "start" "-a" "9cb5a542082615956c22a296131c48c5b0b90e25a7e2741f6ff5ce163e5dfdbd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_trait-02bcf6f6c897648a)
[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" "9cb5a542082615956c22a296131c48c5b0b90e25a7e2741f6ff5ce163e5dfdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb5a542082615956c22a296131c48c5b0b90e25a7e2741f6ff5ce163e5dfdbd", kill_on_drop: false }`
[INFO] [stdout] 9cb5a542082615956c22a296131c48c5b0b90e25a7e2741f6ff5ce163e5dfdbd
