[INFO] fetching crate pulz-arena 0.1.1...
[INFO] testing pulz-arena-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pulz-arena 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pulz-arena 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pulz-arena 0.1.1
[INFO] finished tweaking crates.io crate pulz-arena 0.1.1
[INFO] tweaked toml for crates.io crate pulz-arena 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75b8a56536efcf6738069a78a2b0c684e80464b7f4c581e4fe05df6155f660d7
[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" "75b8a56536efcf6738069a78a2b0c684e80464b7f4c581e4fe05df6155f660d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b8a56536efcf6738069a78a2b0c684e80464b7f4c581e4fe05df6155f660d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b8a56536efcf6738069a78a2b0c684e80464b7f4c581e4fe05df6155f660d7", kill_on_drop: false }`
[INFO] [stdout] 75b8a56536efcf6738069a78a2b0c684e80464b7f4c581e4fe05df6155f660d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e4e7d48ed300dd051ea0bd9ea602350e76b53bbe09968c8e285a267fd9ec293
[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" "0e4e7d48ed300dd051ea0bd9ea602350e76b53bbe09968c8e285a267fd9ec293", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulz-arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "0e4e7d48ed300dd051ea0bd9ea602350e76b53bbe09968c8e285a267fd9ec293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4e7d48ed300dd051ea0bd9ea602350e76b53bbe09968c8e285a267fd9ec293", kill_on_drop: false }`
[INFO] [stdout] 0e4e7d48ed300dd051ea0bd9ea602350e76b53bbe09968c8e285a267fd9ec293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e18a3c272345861c673682c011e4c9ebd4c09178ae992e614eee4babc439b0d4
[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" "e18a3c272345861c673682c011e4c9ebd4c09178ae992e614eee4babc439b0d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulz-arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "e18a3c272345861c673682c011e4c9ebd4c09178ae992e614eee4babc439b0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18a3c272345861c673682c011e4c9ebd4c09178ae992e614eee4babc439b0d4", kill_on_drop: false }`
[INFO] [stdout] e18a3c272345861c673682c011e4c9ebd4c09178ae992e614eee4babc439b0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] fbe2b0f15c9b57bf1c9fc498660d365d6f3e78ec6655044fd6554df3f41037a1
[INFO] running `Command { std: "docker" "start" "-a" "fbe2b0f15c9b57bf1c9fc498660d365d6f3e78ec6655044fd6554df3f41037a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pulz_arena-3c77a060a75411e2)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test tests::test_arena_clear ... ok
[INFO] [stdout] test tests::test_arena_clone ... ok
[INFO] [stdout] test tests::test_arena_contains ... ok
[INFO] [stdout] test tests::test_arena_drain ... ok
[INFO] [stdout] test tests::test_arena_default ... ok
[INFO] [stdout] test tests::test_arena_drain_reverse ... ok
[INFO] [stdout] test tests::test_arena_drop ... ok
[INFO] [stdout] test tests::test_arena_extend ... ok
[INFO] [stdout] test tests::test_arena_from_iter ... ok
[INFO] [stdout] test tests::test_arena_get_mut ... ok
[INFO] [stdout] test tests::test_arena_index ... ok
[INFO] [stdout] test tests::test_arena_index_mut ... ok
[INFO] [stdout] test tests::test_arena_insert_with ... ok
[INFO] [stdout] test tests::test_arena_is_empty ... ok
[INFO] [stdout] test tests::test_arena_iter ... ok
[INFO] [stdout] test tests::test_arena_iter_mut ... ok
[INFO] [stdout] test tests::test_arena_iter_mut_reverse ... ok
[INFO] [stdout] test tests::test_arena_iter_reverse ... ok
[INFO] [stdout] test tests::test_arena_len ... ok
[INFO] [stdout] test tests::test_arena_new ... ok
[INFO] [stdout] test tests::test_arena_remove ... ok
[INFO] [stdout] test tests::test_arena_reserve ... ok
[INFO] [stdout] test tests::test_arena_reserve_exact ... ok
[INFO] [stdout] test tests::test_arena_try_insert ... ok
[INFO] [stdout] test tests::test_arena_try_insert_with ... ok
[INFO] [stdout] test tests::test_arena_with_capacity ... ok
[INFO] [stdout] test tests::test_generation_debug ... ok
[INFO] [stdout] test tests::test_generation ... ok
[INFO] [stdout] test tests::test_generation_overflow ... ok
[INFO] [stdout] test tests::test_index_accessors ... ok
[INFO] [stdout] test tests::test_index_debug ... ok
[INFO] [stdout] test tests::test_arena_insert ... ok
[INFO] [stdout] test tests::test_arena_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pulz-arena
[INFO] [stdout] 
[INFO] [stdout] running 25 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 pulz_arena --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pulz_arena=/opt/rustwide/target/debug/deps/libpulz_arena-0d35de897ae60e74.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fbe2b0f15c9b57bf1c9fc498660d365d6f3e78ec6655044fd6554df3f41037a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe2b0f15c9b57bf1c9fc498660d365d6f3e78ec6655044fd6554df3f41037a1", kill_on_drop: false }`
[INFO] [stdout] fbe2b0f15c9b57bf1c9fc498660d365d6f3e78ec6655044fd6554df3f41037a1