[INFO] fetching crate traversal 0.1.2...
[INFO] testing traversal-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate traversal 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate traversal 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate traversal 0.1.2
[INFO] finished tweaking crates.io crate traversal 0.1.2
[INFO] tweaked toml for crates.io crate traversal 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 236a245dba03b8f968657f2b8aeefd4301a5372e199b6e506bec365660a83334
[INFO] running `Command { std: "docker" "start" "-a" "236a245dba03b8f968657f2b8aeefd4301a5372e199b6e506bec365660a83334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "236a245dba03b8f968657f2b8aeefd4301a5372e199b6e506bec365660a83334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236a245dba03b8f968657f2b8aeefd4301a5372e199b6e506bec365660a83334", kill_on_drop: false }`
[INFO] [stdout] 236a245dba03b8f968657f2b8aeefd4301a5372e199b6e506bec365660a83334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72745872d41298ed2a96b68a8e0d52d6c7e62b569f94f3cc699787e702c26c9b
[INFO] running `Command { std: "docker" "start" "-a" "72745872d41298ed2a96b68a8e0d52d6c7e62b569f94f3cc699787e702c26c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling traversal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "72745872d41298ed2a96b68a8e0d52d6c7e62b569f94f3cc699787e702c26c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72745872d41298ed2a96b68a8e0d52d6c7e62b569f94f3cc699787e702c26c9b", kill_on_drop: false }`
[INFO] [stdout] 72745872d41298ed2a96b68a8e0d52d6c7e62b569f94f3cc699787e702c26c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 817ddc2092d225482bf82136bc99a718aee4332964c1a5a7672d6f3e84ef85fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "817ddc2092d225482bf82136bc99a718aee4332964c1a5a7672d6f3e84ef85fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling traversal v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "817ddc2092d225482bf82136bc99a718aee4332964c1a5a7672d6f3e84ef85fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817ddc2092d225482bf82136bc99a718aee4332964c1a5a7672d6f3e84ef85fc", kill_on_drop: false }`
[INFO] [stdout] 817ddc2092d225482bf82136bc99a718aee4332964c1a5a7672d6f3e84ef85fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28c2cdcb3ff87972d884c85de225df675f8207570e635d845ebb6bec04451da1
[INFO] running `Command { std: "docker" "start" "-a" "28c2cdcb3ff87972d884c85de225df675f8207570e635d845ebb6bec04451da1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traversal-a06106d920f1de82)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test dft_post::tests::dft_post ... ok
[INFO] [stdout] test dft_cycles::tests::dft_cycles ... ok
[INFO] [stdout] test tests::lib_example ... ok
[INFO] [stdout] test tests::lib_example_cycles ... ok
[INFO] [stdout] test tests::lib_example_paths ... ok
[INFO] [stdout] test dft_post_rev::tests::dft_post_rev ... ok
[INFO] [stdout] test bft::tests::bft ... ok
[INFO] [stdout] test dft_longest_paths::tests::dft_longest_paths ... ok
[INFO] [stdout] test dft_paths::tests::dft_paths ... ok
[INFO] [stdout] test dft_pre::tests::dft_pre ... ok
[INFO] [stdout] test dft_pre_rev::tests::dft_pre_rev ... ok
[INFO] [stdout] test dft_post_rev::tests::dft_post ... ok
[INFO] [stdout] test dft_pre::tests::dft_pre_no_size ... ok
[INFO] [stdout] test dft_pre_rev::tests::dft_pre ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests traversal
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name traversal --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern traversal=/opt/rustwide/target/debug/deps/libtraversal-7824b3d1d869c6b2.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "28c2cdcb3ff87972d884c85de225df675f8207570e635d845ebb6bec04451da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c2cdcb3ff87972d884c85de225df675f8207570e635d845ebb6bec04451da1", kill_on_drop: false }`
[INFO] [stdout] 28c2cdcb3ff87972d884c85de225df675f8207570e635d845ebb6bec04451da1