[INFO] fetching crate minigrep_masa0u0 0.1.0...
[INFO] testing minigrep_masa0u0-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate minigrep_masa0u0 0.1.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate minigrep_masa0u0 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minigrep_masa0u0 0.1.0
[INFO] finished tweaking crates.io crate minigrep_masa0u0 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_masa0u0 0.1.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate minigrep_masa0u0 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07a19e483866270619160631137260f5793f828d0fbe28dde80d8950356f901f
[INFO] running `Command { std: "docker" "start" "-a" "07a19e483866270619160631137260f5793f828d0fbe28dde80d8950356f901f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07a19e483866270619160631137260f5793f828d0fbe28dde80d8950356f901f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a19e483866270619160631137260f5793f828d0fbe28dde80d8950356f901f", kill_on_drop: false }`
[INFO] [stdout] 07a19e483866270619160631137260f5793f828d0fbe28dde80d8950356f901f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3394760d26655a5f3b8434ad62c2281d0adc329685426c568d1870351b63fc1e
[INFO] running `Command { std: "docker" "start" "-a" "3394760d26655a5f3b8434ad62c2281d0adc329685426c568d1870351b63fc1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_masa0u0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "3394760d26655a5f3b8434ad62c2281d0adc329685426c568d1870351b63fc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3394760d26655a5f3b8434ad62c2281d0adc329685426c568d1870351b63fc1e", kill_on_drop: false }`
[INFO] [stdout] 3394760d26655a5f3b8434ad62c2281d0adc329685426c568d1870351b63fc1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e85f7ec91e84e8ac57456173e70aa00ba0c406431ccf4e4774b7f3407c7cf04
[INFO] running `Command { std: "docker" "start" "-a" "2e85f7ec91e84e8ac57456173e70aa00ba0c406431ccf4e4774b7f3407c7cf04", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_masa0u0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "2e85f7ec91e84e8ac57456173e70aa00ba0c406431ccf4e4774b7f3407c7cf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e85f7ec91e84e8ac57456173e70aa00ba0c406431ccf4e4774b7f3407c7cf04", kill_on_drop: false }`
[INFO] [stdout] 2e85f7ec91e84e8ac57456173e70aa00ba0c406431ccf4e4774b7f3407c7cf04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1e9a46381f6795cdb54194ca4446cff224b67c1b3a2b8f34900ec7775151b6f
[INFO] running `Command { std: "docker" "start" "-a" "a1e9a46381f6795cdb54194ca4446cff224b67c1b3a2b8f34900ec7775151b6f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_masa0u0-738b19dc0e748b01)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_masa0u0-dc0b7f7d3116f25a)
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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]    Doc-tests minigrep_masa0u0
[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" "a1e9a46381f6795cdb54194ca4446cff224b67c1b3a2b8f34900ec7775151b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e9a46381f6795cdb54194ca4446cff224b67c1b3a2b8f34900ec7775151b6f", kill_on_drop: false }`
[INFO] [stdout] a1e9a46381f6795cdb54194ca4446cff224b67c1b3a2b8f34900ec7775151b6f