[INFO] fetching crate library_core 0.1.2...
[INFO] testing library_core-0.1.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate library_core 0.1.2 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate library_core 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate library_core 0.1.2
[INFO] finished tweaking crates.io crate library_core 0.1.2
[INFO] tweaked toml for crates.io crate library_core 0.1.2 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 229b147d9bc65a9cc32e204c27ba56bddc34fec92e7ec701f3d172584c30516b
[INFO] running `Command { std: "docker" "start" "-a" "229b147d9bc65a9cc32e204c27ba56bddc34fec92e7ec701f3d172584c30516b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "229b147d9bc65a9cc32e204c27ba56bddc34fec92e7ec701f3d172584c30516b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229b147d9bc65a9cc32e204c27ba56bddc34fec92e7ec701f3d172584c30516b", kill_on_drop: false }`
[INFO] [stdout] 229b147d9bc65a9cc32e204c27ba56bddc34fec92e7ec701f3d172584c30516b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a700562d8ddd680945cd76e276c4e0f150a7a05cd8013d64672eb2e2d159cc5
[INFO] running `Command { std: "docker" "start" "-a" "9a700562d8ddd680945cd76e276c4e0f150a7a05cd8013d64672eb2e2d159cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling library_core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "9a700562d8ddd680945cd76e276c4e0f150a7a05cd8013d64672eb2e2d159cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a700562d8ddd680945cd76e276c4e0f150a7a05cd8013d64672eb2e2d159cc5", kill_on_drop: false }`
[INFO] [stdout] 9a700562d8ddd680945cd76e276c4e0f150a7a05cd8013d64672eb2e2d159cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 928a0f76f9485e5efe72764f508c36c560eee31eecfb5c991cb7e46064aedd42
[INFO] running `Command { std: "docker" "start" "-a" "928a0f76f9485e5efe72764f508c36c560eee31eecfb5c991cb7e46064aedd42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling library_core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "928a0f76f9485e5efe72764f508c36c560eee31eecfb5c991cb7e46064aedd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928a0f76f9485e5efe72764f508c36c560eee31eecfb5c991cb7e46064aedd42", kill_on_drop: false }`
[INFO] [stdout] 928a0f76f9485e5efe72764f508c36c560eee31eecfb5c991cb7e46064aedd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ba695229d8c34f7fc85a801fe4a329d7fa0dd5298047a95bf6fc9e97d9d2db0
[INFO] running `Command { std: "docker" "start" "-a" "2ba695229d8c34f7fc85a801fe4a329d7fa0dd5298047a95bf6fc9e97d9d2db0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/library_core-7352926df6db57ef)
[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]      Running unittests (/opt/rustwide/target/debug/deps/library_core-58e3bf49171e2e97)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests library_core
[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 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" "2ba695229d8c34f7fc85a801fe4a329d7fa0dd5298047a95bf6fc9e97d9d2db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba695229d8c34f7fc85a801fe4a329d7fa0dd5298047a95bf6fc9e97d9d2db0", kill_on_drop: false }`
[INFO] [stdout] 2ba695229d8c34f7fc85a801fe4a329d7fa0dd5298047a95bf6fc9e97d9d2db0
