[INFO] fetching crate coreio 0.0.1...
[INFO] testing coreio-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate coreio 0.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate coreio 0.0.1 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 coreio 0.0.1
[INFO] finished tweaking crates.io crate coreio 0.0.1
[INFO] tweaked toml for crates.io crate coreio 0.0.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 88c11c80fbee411e1f7bd063d1cf7016b8385fb5df20d57e9368d94548681979
[INFO] running `Command { std: "docker" "start" "-a" "88c11c80fbee411e1f7bd063d1cf7016b8385fb5df20d57e9368d94548681979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c11c80fbee411e1f7bd063d1cf7016b8385fb5df20d57e9368d94548681979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c11c80fbee411e1f7bd063d1cf7016b8385fb5df20d57e9368d94548681979", kill_on_drop: false }`
[INFO] [stdout] 88c11c80fbee411e1f7bd063d1cf7016b8385fb5df20d57e9368d94548681979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ba763bf13e1e2818beb4447d9b9ec5df2b81c6776d9a4a8dc7b8a68df18b1f22
[INFO] running `Command { std: "docker" "start" "-a" "ba763bf13e1e2818beb4447d9b9ec5df2b81c6776d9a4a8dc7b8a68df18b1f22", kill_on_drop: false }`
[INFO] [stderr]    Compiling coreio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ba763bf13e1e2818beb4447d9b9ec5df2b81c6776d9a4a8dc7b8a68df18b1f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba763bf13e1e2818beb4447d9b9ec5df2b81c6776d9a4a8dc7b8a68df18b1f22", kill_on_drop: false }`
[INFO] [stdout] ba763bf13e1e2818beb4447d9b9ec5df2b81c6776d9a4a8dc7b8a68df18b1f22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6da801d55835fc2e2a49b70fb6dffc0b1d40f4be5d48422fb3d939e8eff2cc2c
[INFO] running `Command { std: "docker" "start" "-a" "6da801d55835fc2e2a49b70fb6dffc0b1d40f4be5d48422fb3d939e8eff2cc2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling coreio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6da801d55835fc2e2a49b70fb6dffc0b1d40f4be5d48422fb3d939e8eff2cc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da801d55835fc2e2a49b70fb6dffc0b1d40f4be5d48422fb3d939e8eff2cc2c", kill_on_drop: false }`
[INFO] [stdout] 6da801d55835fc2e2a49b70fb6dffc0b1d40f4be5d48422fb3d939e8eff2cc2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 77c7137d8b534e3807a9610940926b69e028810f1d4407ec0e3a0fbdf582bcd1
[INFO] running `Command { std: "docker" "start" "-a" "77c7137d8b534e3807a9610940926b69e028810f1d4407ec0e3a0fbdf582bcd1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coreio-ad00e237359e0e44)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coreio
[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" "77c7137d8b534e3807a9610940926b69e028810f1d4407ec0e3a0fbdf582bcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c7137d8b534e3807a9610940926b69e028810f1d4407ec0e3a0fbdf582bcd1", kill_on_drop: false }`
[INFO] [stdout] 77c7137d8b534e3807a9610940926b69e028810f1d4407ec0e3a0fbdf582bcd1