[INFO] fetching crate trees 0.4.2...
[INFO] testing trees-0.4.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate trees 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate trees 0.4.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trees 0.4.2
[INFO] finished tweaking crates.io crate trees 0.4.2
[INFO] tweaked toml for crates.io crate trees 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52869074d9a308d369a797c76318141f793f703c1f1bd0c91a5e83b276df8e24
[INFO] running `Command { std: "docker" "start" "-a" "52869074d9a308d369a797c76318141f793f703c1f1bd0c91a5e83b276df8e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52869074d9a308d369a797c76318141f793f703c1f1bd0c91a5e83b276df8e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52869074d9a308d369a797c76318141f793f703c1f1bd0c91a5e83b276df8e24", kill_on_drop: false }`
[INFO] [stdout] 52869074d9a308d369a797c76318141f793f703c1f1bd0c91a5e83b276df8e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 421c8adbdea55ea715925fea88217b862aa107b92d2273c3b79618c5e85ede85
[INFO] running `Command { std: "docker" "start" "-a" "421c8adbdea55ea715925fea88217b862aa107b92d2273c3b79618c5e85ede85", kill_on_drop: false }`
[INFO] [stderr]    Compiling trees v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "421c8adbdea55ea715925fea88217b862aa107b92d2273c3b79618c5e85ede85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421c8adbdea55ea715925fea88217b862aa107b92d2273c3b79618c5e85ede85", kill_on_drop: false }`
[INFO] [stdout] 421c8adbdea55ea715925fea88217b862aa107b92d2273c3b79618c5e85ede85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3c5d605980789847fcd1b6cd30c296feccc7d8e31e0dd9a7a09d44e78e7ea55
[INFO] running `Command { std: "docker" "start" "-a" "d3c5d605980789847fcd1b6cd30c296feccc7d8e31e0dd9a7a09d44e78e7ea55", kill_on_drop: false }`
[INFO] [stderr]    Compiling trees v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "d3c5d605980789847fcd1b6cd30c296feccc7d8e31e0dd9a7a09d44e78e7ea55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c5d605980789847fcd1b6cd30c296feccc7d8e31e0dd9a7a09d44e78e7ea55", kill_on_drop: false }`
[INFO] [stdout] d3c5d605980789847fcd1b6cd30c296feccc7d8e31e0dd9a7a09d44e78e7ea55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 073957cbd0dcf277b281b3e3b420c719ac3dfac9ba3b323e45d923bb1e88dd53
[INFO] running `Command { std: "docker" "start" "-a" "073957cbd0dcf277b281b3e3b420c719ac3dfac9ba3b323e45d923bb1e88dd53", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trees-85a5f77928dc15d7)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test bfs_impls::tests::piled_forest_from_bfs ... ok
[INFO] [stdout] test bfs_impls::tests::piled_forest_from_bfs_1_1 ... ok
[INFO] [stdout] test bfs_impls::tests::piled_tree_from_bfs ... ok
[INFO] [stdout] test bfs_impls::tests::piled_tree_from_bfs_1_1 ... ok
[INFO] [stdout] test forest::tests::empty_piled_forest_from_tuple ... ok
[INFO] [stdout] test rc::tests::rc_works ... ok
[INFO] [stdout] test forest::tests::piled_forest_from_tuple ... ok
[INFO] [stdout] test tree::tests::piled_tree_from_tuple ... ok
[INFO] [stdout] test tuple::tests::forest_preorder ... ok
[INFO] [stdout] test tuple::tests::forest_postorder ... ok
[INFO] [stdout] test tuple::tests::tree_preorder ... ok
[INFO] [stdout] test tuple::tests::tree_postorder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trees
[INFO] [stdout] 
[INFO] [stdout] running 88 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 trees --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern trees=/opt/rustwide/target/debug/deps/libtrees-f8d721fb54b17c39.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "073957cbd0dcf277b281b3e3b420c719ac3dfac9ba3b323e45d923bb1e88dd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073957cbd0dcf277b281b3e3b420c719ac3dfac9ba3b323e45d923bb1e88dd53", kill_on_drop: false }`
[INFO] [stdout] 073957cbd0dcf277b281b3e3b420c719ac3dfac9ba3b323e45d923bb1e88dd53
