[INFO] fetching crate easy-error 1.0.0...
[INFO] testing easy-error-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate easy-error 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate easy-error 1.0.0 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 easy-error 1.0.0
[INFO] finished tweaking crates.io crate easy-error 1.0.0
[INFO] tweaked toml for crates.io crate easy-error 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate easy-error 1.0.0 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ca6af3dcce661ca0a6ce436df33f710907c2b77231ddc9ef280de1d7f73d5af
[INFO] running `Command { std: "docker" "start" "-a" "0ca6af3dcce661ca0a6ce436df33f710907c2b77231ddc9ef280de1d7f73d5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ca6af3dcce661ca0a6ce436df33f710907c2b77231ddc9ef280de1d7f73d5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca6af3dcce661ca0a6ce436df33f710907c2b77231ddc9ef280de1d7f73d5af", kill_on_drop: false }`
[INFO] [stdout] 0ca6af3dcce661ca0a6ce436df33f710907c2b77231ddc9ef280de1d7f73d5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ac8074503c5b28024c60f4b92d7c25a01be5a39d14703330da4e8766b7a2ee40
[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" "ac8074503c5b28024c60f4b92d7c25a01be5a39d14703330da4e8766b7a2ee40", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-error v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ac8074503c5b28024c60f4b92d7c25a01be5a39d14703330da4e8766b7a2ee40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8074503c5b28024c60f4b92d7c25a01be5a39d14703330da4e8766b7a2ee40", kill_on_drop: false }`
[INFO] [stdout] ac8074503c5b28024c60f4b92d7c25a01be5a39d14703330da4e8766b7a2ee40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f4b0103c0ed506c80aed1f4bf1a527e10b391e0dcf893e75f7fc8ede180f6f41
[INFO] running `Command { std: "docker" "start" "-a" "f4b0103c0ed506c80aed1f4bf1a527e10b391e0dcf893e75f7fc8ede180f6f41", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-error v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f4b0103c0ed506c80aed1f4bf1a527e10b391e0dcf893e75f7fc8ede180f6f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b0103c0ed506c80aed1f4bf1a527e10b391e0dcf893e75f7fc8ede180f6f41", kill_on_drop: false }`
[INFO] [stdout] f4b0103c0ed506c80aed1f4bf1a527e10b391e0dcf893e75f7fc8ede180f6f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 99c7fbddddad48802d631600f6381779fccaacf3236c7bee544a5c97e3f7920c
[INFO] running `Command { std: "docker" "start" "-a" "99c7fbddddad48802d631600f6381779fccaacf3236c7bee544a5c97e3f7920c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_error-76e79aa454ee2de3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easy-error
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99c7fbddddad48802d631600f6381779fccaacf3236c7bee544a5c97e3f7920c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c7fbddddad48802d631600f6381779fccaacf3236c7bee544a5c97e3f7920c", kill_on_drop: false }`
[INFO] [stdout] 99c7fbddddad48802d631600f6381779fccaacf3236c7bee544a5c97e3f7920c