[INFO] fetching crate topological-sort 0.1.0...
[INFO] testing topological-sort-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate topological-sort 0.1.0 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate topological-sort 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 673fae9a97b674252a0f4d1da0cc0a476435527bc581066dc7bba016704f04dd
[INFO] running `Command { std: "docker" "start" "-a" "673fae9a97b674252a0f4d1da0cc0a476435527bc581066dc7bba016704f04dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "673fae9a97b674252a0f4d1da0cc0a476435527bc581066dc7bba016704f04dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673fae9a97b674252a0f4d1da0cc0a476435527bc581066dc7bba016704f04dd", kill_on_drop: false }`
[INFO] [stdout] 673fae9a97b674252a0f4d1da0cc0a476435527bc581066dc7bba016704f04dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82aa3a7f64bc5d3278d9b8e2c3143af60c65f96fd4b7a31b1f8c26f2e49d9236
[INFO] running `Command { std: "docker" "start" "-a" "82aa3a7f64bc5d3278d9b8e2c3143af60c65f96fd4b7a31b1f8c26f2e49d9236", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "82aa3a7f64bc5d3278d9b8e2c3143af60c65f96fd4b7a31b1f8c26f2e49d9236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82aa3a7f64bc5d3278d9b8e2c3143af60c65f96fd4b7a31b1f8c26f2e49d9236", kill_on_drop: false }`
[INFO] [stdout] 82aa3a7f64bc5d3278d9b8e2c3143af60c65f96fd4b7a31b1f8c26f2e49d9236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7854973cbbdae01af3e16e7e59bf832c50e034a563a3dd99c05c0f06bfac2c6d
[INFO] running `Command { std: "docker" "start" "-a" "7854973cbbdae01af3e16e7e59bf832c50e034a563a3dd99c05c0f06bfac2c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "7854973cbbdae01af3e16e7e59bf832c50e034a563a3dd99c05c0f06bfac2c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7854973cbbdae01af3e16e7e59bf832c50e034a563a3dd99c05c0f06bfac2c6d", kill_on_drop: false }`
[INFO] [stdout] 7854973cbbdae01af3e16e7e59bf832c50e034a563a3dd99c05c0f06bfac2c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9d03c029c47c45c23cd7f1f145815be867e308d0a17ec036967ac767e72ef8d
[INFO] running `Command { std: "docker" "start" "-a" "a9d03c029c47c45c23cd7f1f145815be867e308d0a17ec036967ac767e72ef8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/topological_sort-33d544ffd470d448)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::cyclic_deadlock ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] test test::pop_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9d03c029c47c45c23cd7f1f145815be867e308d0a17ec036967ac767e72ef8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d03c029c47c45c23cd7f1f145815be867e308d0a17ec036967ac767e72ef8d", kill_on_drop: false }`
[INFO] [stdout] a9d03c029c47c45c23cd7f1f145815be867e308d0a17ec036967ac767e72ef8d