[INFO] fetching crate tree_traversal 0.3.0...
[INFO] testing tree_traversal-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tree_traversal 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tree_traversal 0.3.0
[INFO] finished tweaking crates.io crate tree_traversal 0.3.0
[INFO] tweaked toml for crates.io crate tree_traversal 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_traversal 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tree_traversal 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73110a422968ed42562f14c31197004e2ae24b24a0a4f370db4a6a76f6a98312
[INFO] running `Command { std: "docker" "start" "-a" "73110a422968ed42562f14c31197004e2ae24b24a0a4f370db4a6a76f6a98312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73110a422968ed42562f14c31197004e2ae24b24a0a4f370db4a6a76f6a98312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73110a422968ed42562f14c31197004e2ae24b24a0a4f370db4a6a76f6a98312", kill_on_drop: false }`
[INFO] [stdout] 73110a422968ed42562f14c31197004e2ae24b24a0a4f370db4a6a76f6a98312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce351403ebe8d7e7acfb8a83bdaf01ce219553528b1cb8975fae9d7082e0f883
[INFO] running `Command { std: "docker" "start" "-a" "ce351403ebe8d7e7acfb8a83bdaf01ce219553528b1cb8975fae9d7082e0f883", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tree_traversal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "ce351403ebe8d7e7acfb8a83bdaf01ce219553528b1cb8975fae9d7082e0f883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce351403ebe8d7e7acfb8a83bdaf01ce219553528b1cb8975fae9d7082e0f883", kill_on_drop: false }`
[INFO] [stdout] ce351403ebe8d7e7acfb8a83bdaf01ce219553528b1cb8975fae9d7082e0f883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78a13c49926a5f603cf1fca8209322418298b9e51ae489e06460ff829331be38
[INFO] running `Command { std: "docker" "start" "-a" "78a13c49926a5f603cf1fca8209322418298b9e51ae489e06460ff829331be38", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree_traversal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "78a13c49926a5f603cf1fca8209322418298b9e51ae489e06460ff829331be38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a13c49926a5f603cf1fca8209322418298b9e51ae489e06460ff829331be38", kill_on_drop: false }`
[INFO] [stdout] 78a13c49926a5f603cf1fca8209322418298b9e51ae489e06460ff829331be38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81d78f1272adc52f499d86f29b264396cbdd063133f64d148ed8e301653f26a9
[INFO] running `Command { std: "docker" "start" "-a" "81d78f1272adc52f499d86f29b264396cbdd063133f64d148ed8e301653f26a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_traversal-b2072d1873166b1e)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test bbs::test::test_bbs ... ok
[INFO] [stdout] test gds::test::test_bms ... ok
[INFO] [stdout] test bms::test::test_bms ... ok
[INFO] [stdout] test bfs::test::test_bfs ... ok
[INFO] [stdout] test dfs::test::test_bfs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_traversal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81d78f1272adc52f499d86f29b264396cbdd063133f64d148ed8e301653f26a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d78f1272adc52f499d86f29b264396cbdd063133f64d148ed8e301653f26a9", kill_on_drop: false }`
[INFO] [stdout] 81d78f1272adc52f499d86f29b264396cbdd063133f64d148ed8e301653f26a9