[INFO] fetching crate treers 0.1.2...
[INFO] testing treers-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate treers 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate treers 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 treers 0.1.2
[INFO] finished tweaking crates.io crate treers 0.1.2
[INFO] tweaked toml for crates.io crate treers 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate treers 0.1.2 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3ce8d29e34defa495a0e24d4d7fb8d992d5bd212ec7fc8857d509f656f5da9f2
[INFO] running `Command { std: "docker" "start" "-a" "3ce8d29e34defa495a0e24d4d7fb8d992d5bd212ec7fc8857d509f656f5da9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce8d29e34defa495a0e24d4d7fb8d992d5bd212ec7fc8857d509f656f5da9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce8d29e34defa495a0e24d4d7fb8d992d5bd212ec7fc8857d509f656f5da9f2", kill_on_drop: false }`
[INFO] [stdout] 3ce8d29e34defa495a0e24d4d7fb8d992d5bd212ec7fc8857d509f656f5da9f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 12004a3eae1d01bb7d07bc2a309c4f83d8a53d9635acff9995d4e3b068604287
[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" "12004a3eae1d01bb7d07bc2a309c4f83d8a53d9635acff9995d4e3b068604287", kill_on_drop: false }`
[INFO] [stderr]    Compiling treers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "12004a3eae1d01bb7d07bc2a309c4f83d8a53d9635acff9995d4e3b068604287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12004a3eae1d01bb7d07bc2a309c4f83d8a53d9635acff9995d4e3b068604287", kill_on_drop: false }`
[INFO] [stdout] 12004a3eae1d01bb7d07bc2a309c4f83d8a53d9635acff9995d4e3b068604287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 01b451709b3591ef2d6654584b3c6ee5b940838272a8ca5d8c027fa12ac23578
[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" "01b451709b3591ef2d6654584b3c6ee5b940838272a8ca5d8c027fa12ac23578", kill_on_drop: false }`
[INFO] [stderr]    Compiling treers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "01b451709b3591ef2d6654584b3c6ee5b940838272a8ca5d8c027fa12ac23578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b451709b3591ef2d6654584b3c6ee5b940838272a8ca5d8c027fa12ac23578", kill_on_drop: false }`
[INFO] [stdout] 01b451709b3591ef2d6654584b3c6ee5b940838272a8ca5d8c027fa12ac23578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] ca19cd48396d83c7d8c538f5883fb18af1035d9fef524cc7cbe2389ec33d6258
[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" "ca19cd48396d83c7d8c538f5883fb18af1035d9fef524cc7cbe2389ec33d6258", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treers-d75dd127ebd0e794)
[INFO] [stdout] running 53 tests
[INFO] [stdout] test bst::tests::test_size_two ... ok
[INFO] [stdout] test bst::tests::test_size_zero ... ok
[INFO] [stdout] test bst::tests::test_is_not_empty ... ok
[INFO] [stdout] test bst::tests::test_contains ... ok
[INFO] [stdout] test btree::tests::test_contains ... ok
[INFO] [stdout] test bst::tests::test_in_order ... ok
[INFO] [stdout] test bst::tests::test_level_order ... ok
[INFO] [stdout] test bst::tests::test_is_empty ... ok
[INFO] [stdout] test bst::tests::test_get ... ok
[INFO] [stdout] test bst::tests::test_put ... ok
[INFO] [stdout] test bst::tests::test_pre_order ... ok
[INFO] [stdout] test bst::tests::test_post_order ... ok
[INFO] [stdout] test bst::tests::test_min ... ok
[INFO] [stdout] test btree::tests::test_is_empty ... ok
[INFO] [stdout] test btree::tests::test_get ... ok
[INFO] [stdout] test rbtree::tests::test_is_empty ... ok
[INFO] [stdout] test rbtree::tests::test_is_not_empty ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_post_order ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_pre_order ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_size_and_height ... ok
[INFO] [stdout] test rbtree::tests::test_get ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_level_order ... ok
[INFO] [stdout] test rbtree::tests::test_contains ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_in_order ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_min ... ok
[INFO] [stdout] test btree::tests::test_put ... ok
[INFO] [stdout] test rbtree::tests::test_random_pre_order ... ok
[INFO] [stdout] test rbtree::tests::test_random_post_order ... ok
[INFO] [stdout] test btree::tests::test_size_zero ... ok
[INFO] [stdout] test rbtree::tests::test_random_level_order ... ok
[INFO] [stdout] test btree::tests::test_is_not_empty ... ok
[INFO] [stdout] test bst::tests::test_max ... ok
[INFO] [stdout] test rbtree::tests::test_random_in_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_pre_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_size_and_height ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_post_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_min ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_max ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_level_order ... ok
[INFO] [stdout] test rbtree::tests::test_right_rotate_in_order ... ok
[INFO] [stdout] test rbtree::tests::test_left_rotate_thousand ... ok
[INFO] [stdout] test rbtree::tests::test_put ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test btree::tests::test_right_rotate_one_thousand ... ok
[INFO] [stdout] test rbtree::tests::test_shuffle_max ... ok
[INFO] [stdout] test rbtree::tests::test_size_zero ... ok
[INFO] [stdout] test tests::its_42 ... ok
[INFO] [stdout] test bst::tests::test_index_panic - should panic ... ok
[INFO] [stdout] test btree::tests::test_index_panic - should panic ... ok
[INFO] [stdout] test btree::tests::test_left_rotate_one_thousand ... ok
[INFO] [stdout] test rbtree::tests::test_index_panic - should panic ... ok
[INFO] [stdout] test bst::tests::test_size_and_height_one_thousand ... ok
[INFO] [stderr]    Doc-tests treers
[INFO] [stdout] test rbtree::tests::test_right_rotate_thousand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 36 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 treers --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bencher=/opt/rustwide/target/debug/deps/libbencher-37e478862afe2758.rlib --extern treers=/opt/rustwide/target/debug/deps/libtreers-d814f1c2de010aba.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ca19cd48396d83c7d8c538f5883fb18af1035d9fef524cc7cbe2389ec33d6258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca19cd48396d83c7d8c538f5883fb18af1035d9fef524cc7cbe2389ec33d6258", kill_on_drop: false }`
[INFO] [stdout] ca19cd48396d83c7d8c538f5883fb18af1035d9fef524cc7cbe2389ec33d6258