[INFO] fetching crate topological-sort 0.1.0...
[INFO] testing topological-sort-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate topological-sort 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate topological-sort 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate topological-sort 0.1.0
[INFO] finished tweaking crates.io crate topological-sort 0.1.0
[INFO] tweaked toml for crates.io crate topological-sort 0.1.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05e1739e7634f1500fdbddc9a8877e268f161e08488dfd1d00db297291f8dae2
[INFO] running `Command { std: "docker" "start" "-a" "05e1739e7634f1500fdbddc9a8877e268f161e08488dfd1d00db297291f8dae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05e1739e7634f1500fdbddc9a8877e268f161e08488dfd1d00db297291f8dae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e1739e7634f1500fdbddc9a8877e268f161e08488dfd1d00db297291f8dae2", kill_on_drop: false }`
[INFO] [stdout] 05e1739e7634f1500fdbddc9a8877e268f161e08488dfd1d00db297291f8dae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28e918e2a101e1d59c372be74849eb7667f9c096dd2496f789cdc7ae5aa13d4d
[INFO] running `Command { std: "docker" "start" "-a" "28e918e2a101e1d59c372be74849eb7667f9c096dd2496f789cdc7ae5aa13d4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "28e918e2a101e1d59c372be74849eb7667f9c096dd2496f789cdc7ae5aa13d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e918e2a101e1d59c372be74849eb7667f9c096dd2496f789cdc7ae5aa13d4d", kill_on_drop: false }`
[INFO] [stdout] 28e918e2a101e1d59c372be74849eb7667f9c096dd2496f789cdc7ae5aa13d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19041878ef0de2ee88e5c9433e3997629a35761047c786ccf282743837eab840
[INFO] running `Command { std: "docker" "start" "-a" "19041878ef0de2ee88e5c9433e3997629a35761047c786ccf282743837eab840", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "19041878ef0de2ee88e5c9433e3997629a35761047c786ccf282743837eab840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19041878ef0de2ee88e5c9433e3997629a35761047c786ccf282743837eab840", kill_on_drop: false }`
[INFO] [stdout] 19041878ef0de2ee88e5c9433e3997629a35761047c786ccf282743837eab840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d15bd0f2a9babf19198a304c80b2b8dc20d0dfa5155ee320850be45a7162ea6
[INFO] running `Command { std: "docker" "start" "-a" "6d15bd0f2a9babf19198a304c80b2b8dc20d0dfa5155ee320850be45a7162ea6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/topological_sort-94157a6307b4b152)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::cyclic_deadlock ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::pop_all ... ok
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topological-sort
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - TopologicalSort<T>::new (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d15bd0f2a9babf19198a304c80b2b8dc20d0dfa5155ee320850be45a7162ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d15bd0f2a9babf19198a304c80b2b8dc20d0dfa5155ee320850be45a7162ea6", kill_on_drop: false }`
[INFO] [stdout] 6d15bd0f2a9babf19198a304c80b2b8dc20d0dfa5155ee320850be45a7162ea6