[INFO] fetching crate std2 0.1.0...
[INFO] testing std2-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate std2 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate std2 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate std2 0.1.0
[INFO] finished tweaking crates.io crate std2 0.1.0
[INFO] tweaked toml for crates.io crate std2 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aac7342787561a93a1573317e74a0abc3d6d7a98c73deb40754e936e3c355227
[INFO] running `Command { std: "docker" "start" "-a" "aac7342787561a93a1573317e74a0abc3d6d7a98c73deb40754e936e3c355227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac7342787561a93a1573317e74a0abc3d6d7a98c73deb40754e936e3c355227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac7342787561a93a1573317e74a0abc3d6d7a98c73deb40754e936e3c355227", kill_on_drop: false }`
[INFO] [stdout] aac7342787561a93a1573317e74a0abc3d6d7a98c73deb40754e936e3c355227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b446b4d12f75c91f42c27b5361c791ca1d578ff8c0ed9383bbcb5700cbd449b9
[INFO] running `Command { std: "docker" "start" "-a" "b446b4d12f75c91f42c27b5361c791ca1d578ff8c0ed9383bbcb5700cbd449b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling std2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b446b4d12f75c91f42c27b5361c791ca1d578ff8c0ed9383bbcb5700cbd449b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b446b4d12f75c91f42c27b5361c791ca1d578ff8c0ed9383bbcb5700cbd449b9", kill_on_drop: false }`
[INFO] [stdout] b446b4d12f75c91f42c27b5361c791ca1d578ff8c0ed9383bbcb5700cbd449b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d597c855c036f3f9bd2f4d2f8d69e14edebd80d5366d59abe70a1dd11e0a9cdf
[INFO] running `Command { std: "docker" "start" "-a" "d597c855c036f3f9bd2f4d2f8d69e14edebd80d5366d59abe70a1dd11e0a9cdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling std2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d597c855c036f3f9bd2f4d2f8d69e14edebd80d5366d59abe70a1dd11e0a9cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d597c855c036f3f9bd2f4d2f8d69e14edebd80d5366d59abe70a1dd11e0a9cdf", kill_on_drop: false }`
[INFO] [stdout] d597c855c036f3f9bd2f4d2f8d69e14edebd80d5366d59abe70a1dd11e0a9cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 447333d3b833a7cb1fa31d0d923671e769b00f9caaf77c0db909028f70e75ca5
[INFO] running `Command { std: "docker" "start" "-a" "447333d3b833a7cb1fa31d0d923671e769b00f9caaf77c0db909028f70e75ca5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/std2-75defe5b38fe09c8)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests std2
[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] [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" "447333d3b833a7cb1fa31d0d923671e769b00f9caaf77c0db909028f70e75ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447333d3b833a7cb1fa31d0d923671e769b00f9caaf77c0db909028f70e75ca5", kill_on_drop: false }`
[INFO] [stdout] 447333d3b833a7cb1fa31d0d923671e769b00f9caaf77c0db909028f70e75ca5