[INFO] fetching crate carol-test 1.1.1...
[INFO] testing carol-test-1.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate carol-test 1.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate carol-test 1.1.1 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 carol-test 1.1.1
[INFO] finished tweaking crates.io crate carol-test 1.1.1
[INFO] tweaked toml for crates.io crate carol-test 1.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate carol-test 1.1.1 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a07ac09f915f6b5dbb593ced7629a2de67cebb2a4b2aa9a3b4de556544fb1312
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a07ac09f915f6b5dbb593ced7629a2de67cebb2a4b2aa9a3b4de556544fb1312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07ac09f915f6b5dbb593ced7629a2de67cebb2a4b2aa9a3b4de556544fb1312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07ac09f915f6b5dbb593ced7629a2de67cebb2a4b2aa9a3b4de556544fb1312", kill_on_drop: false }`
[INFO] [stdout] a07ac09f915f6b5dbb593ced7629a2de67cebb2a4b2aa9a3b4de556544fb1312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 109199bd04f250bf74fdfbe41910b57bf123641aeacad1c4228a49fe245f25d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "109199bd04f250bf74fdfbe41910b57bf123641aeacad1c4228a49fe245f25d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling carol-test v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "109199bd04f250bf74fdfbe41910b57bf123641aeacad1c4228a49fe245f25d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109199bd04f250bf74fdfbe41910b57bf123641aeacad1c4228a49fe245f25d9", kill_on_drop: false }`
[INFO] [stdout] 109199bd04f250bf74fdfbe41910b57bf123641aeacad1c4228a49fe245f25d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20ec83e7e8e887e2a7aea9c7334a4c8c9051f4d2d918cfb3b327b21e7744c587
[INFO] running `Command { std: "docker" "start" "-a" "20ec83e7e8e887e2a7aea9c7334a4c8c9051f4d2d918cfb3b327b21e7744c587", kill_on_drop: false }`
[INFO] [stderr]    Compiling carol-test v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "20ec83e7e8e887e2a7aea9c7334a4c8c9051f4d2d918cfb3b327b21e7744c587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ec83e7e8e887e2a7aea9c7334a4c8c9051f4d2d918cfb3b327b21e7744c587", kill_on_drop: false }`
[INFO] [stdout] 20ec83e7e8e887e2a7aea9c7334a4c8c9051f4d2d918cfb3b327b21e7744c587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a6d4c0540a88217eae8cdcd7ca4a8ef3332e61b41fe46e2f15645a3b50565c1
[INFO] running `Command { std: "docker" "start" "-a" "3a6d4c0540a88217eae8cdcd7ca4a8ef3332e61b41fe46e2f15645a3b50565c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/carol_test-62689bf8c44dc34f)
[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" "3a6d4c0540a88217eae8cdcd7ca4a8ef3332e61b41fe46e2f15645a3b50565c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6d4c0540a88217eae8cdcd7ca4a8ef3332e61b41fe46e2f15645a3b50565c1", kill_on_drop: false }`
[INFO] [stdout] 3a6d4c0540a88217eae8cdcd7ca4a8ef3332e61b41fe46e2f15645a3b50565c1