[INFO] fetching crate topological-sort 0.1.0...
[INFO] testing topological-sort-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate topological-sort 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate topological-sort 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d36376211936dec24cda4d4866a0c8416f359f96cc0c59a353a4016307da59
[INFO] running `Command { std: "docker" "start" "-a" "15d36376211936dec24cda4d4866a0c8416f359f96cc0c59a353a4016307da59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d36376211936dec24cda4d4866a0c8416f359f96cc0c59a353a4016307da59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d36376211936dec24cda4d4866a0c8416f359f96cc0c59a353a4016307da59", kill_on_drop: false }`
[INFO] [stdout] 15d36376211936dec24cda4d4866a0c8416f359f96cc0c59a353a4016307da59
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb3ea1e8dc8039a9eab2d0ba01add2a68a3d119c797c1465180b6a85fff2a760
[INFO] running `Command { std: "docker" "start" "-a" "cb3ea1e8dc8039a9eab2d0ba01add2a68a3d119c797c1465180b6a85fff2a760", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "cb3ea1e8dc8039a9eab2d0ba01add2a68a3d119c797c1465180b6a85fff2a760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3ea1e8dc8039a9eab2d0ba01add2a68a3d119c797c1465180b6a85fff2a760", kill_on_drop: false }`
[INFO] [stdout] cb3ea1e8dc8039a9eab2d0ba01add2a68a3d119c797c1465180b6a85fff2a760
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8532a630debb61cf8f9e28ab5eb790781796957c828090a524dcc0cd27f617d1
[INFO] running `Command { std: "docker" "start" "-a" "8532a630debb61cf8f9e28ab5eb790781796957c828090a524dcc0cd27f617d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling topological-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "8532a630debb61cf8f9e28ab5eb790781796957c828090a524dcc0cd27f617d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8532a630debb61cf8f9e28ab5eb790781796957c828090a524dcc0cd27f617d1", kill_on_drop: false }`
[INFO] [stdout] 8532a630debb61cf8f9e28ab5eb790781796957c828090a524dcc0cd27f617d1
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bed38f51ebfb08d099f1b4fdff5a6c8021ae860f6a5c227020593fc508e5b66f
[INFO] running `Command { std: "docker" "start" "-a" "bed38f51ebfb08d099f1b4fdff5a6c8021ae860f6a5c227020593fc508e5b66f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/topological_sort-7262c6c64e9c24f2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::from_iter ... ok
[INFO] [stdout] test test::cyclic_deadlock ... ok
[INFO] [stdout] test test::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 0.00s
[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 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bed38f51ebfb08d099f1b4fdff5a6c8021ae860f6a5c227020593fc508e5b66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed38f51ebfb08d099f1b4fdff5a6c8021ae860f6a5c227020593fc508e5b66f", kill_on_drop: false }`
[INFO] [stdout] bed38f51ebfb08d099f1b4fdff5a6c8021ae860f6a5c227020593fc508e5b66f