[INFO] fetching crate rb_tree 0.4.1... [INFO] testing rb_tree-0.4.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate rb_tree 0.4.1 into /workspace/builds/worker-34/source [INFO] validating manifest of crates.io crate rb_tree 0.4.1 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 rb_tree 0.4.1 [INFO] finished tweaking crates.io crate rb_tree 0.4.1 [INFO] tweaked toml for crates.io crate rb_tree 0.4.1 written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate crates.io crate rb_tree 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 079f34d11997319cb844a35c2dda295a8526e9de1ef253ae137a561880bbe078 [INFO] running `Command { std: "docker" "start" "-a" "079f34d11997319cb844a35c2dda295a8526e9de1ef253ae137a561880bbe078", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "079f34d11997319cb844a35c2dda295a8526e9de1ef253ae137a561880bbe078", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "079f34d11997319cb844a35c2dda295a8526e9de1ef253ae137a561880bbe078", kill_on_drop: false }` [INFO] [stdout] 079f34d11997319cb844a35c2dda295a8526e9de1ef253ae137a561880bbe078 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] ce2f86caf943e3ddcf2020f3973af00b45f6b29c5d8a7156b617158aeebfb6ec [INFO] running `Command { std: "docker" "start" "-a" "ce2f86caf943e3ddcf2020f3973af00b45f6b29c5d8a7156b617158aeebfb6ec", kill_on_drop: false }` [INFO] [stderr] Compiling rb_tree v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "ce2f86caf943e3ddcf2020f3973af00b45f6b29c5d8a7156b617158aeebfb6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce2f86caf943e3ddcf2020f3973af00b45f6b29c5d8a7156b617158aeebfb6ec", kill_on_drop: false }` [INFO] [stdout] ce2f86caf943e3ddcf2020f3973af00b45f6b29c5d8a7156b617158aeebfb6ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 8c9c5abeaad34908a9f550a2805082231023ba7e84da780f53f46ff4207a69f1 [INFO] running `Command { std: "docker" "start" "-a" "8c9c5abeaad34908a9f550a2805082231023ba7e84da780f53f46ff4207a69f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling rb_tree v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.07s [INFO] running `Command { std: "docker" "inspect" "8c9c5abeaad34908a9f550a2805082231023ba7e84da780f53f46ff4207a69f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c9c5abeaad34908a9f550a2805082231023ba7e84da780f53f46ff4207a69f1", kill_on_drop: false }` [INFO] [stdout] 8c9c5abeaad34908a9f550a2805082231023ba7e84da780f53f46ff4207a69f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] [stdout] bdce47a291817e7cae3450b93ebf69446b1bf70b78941248c34ec9407eefd337 [INFO] running `Command { std: "docker" "start" "-a" "bdce47a291817e7cae3450b93ebf69446b1bf70b78941248c34ec9407eefd337", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rb_tree-2a171e07dd63540f) [INFO] [stdout] [INFO] [stdout] running 39 tests [INFO] [stdout] test rbtree_tests::test_add_existing ... ok [INFO] [stdout] test rbtree_tests::test_complicated_example ... ok [INFO] [stdout] test rbtree_tests::test_complex_insertion ... ok [INFO] [stdout] test rbtree_tests::test_difference ... ok [INFO] [stdout] test rbtree_tests::test_extend ... ok [INFO] [stdout] test rbtree_tests::test_black_leaf_removal ... ok [INFO] [stdout] test rbtree_tests::test_contains_and_is_empty ... ok [INFO] [stdout] test rbtree_tests::test_get ... ok [INFO] [stdout] test rbtree_tests::test_insertion_case1_left ... ok [INFO] [stdout] test rbtree_tests::test_gets_correct_descendant ... ok [INFO] [stdout] test rbtree_tests::test_insertion_case1_right ... ok [INFO] [stdout] test rbtree_tests::test_insertion_case2_left ... ok [INFO] [stdout] test rbtree_tests::test_insertion_case3_at_root ... ok [INFO] [stdout] test rbtree_tests::test_insertion_case2_right ... ok [INFO] [stdout] test rbtree_tests::test_insertion_case3_not_root ... ok [INFO] [stdout] test rbtree_tests::test_insertion_transfer_children ... ok [INFO] [stdout] test rbtree_tests::test_iterator ... ok [INFO] [stdout] test rbtree_tests::test_intersection ... ok [INFO] [stdout] test rbtree_tests::test_ordered ... ok [INFO] [stdout] test rbtree_tests::test_peek ... ok [INFO] [stdout] test rbtree_tests::test_peek_back ... ok [INFO] [stdout] test rbtree_tests::test_pop ... ok [INFO] [stdout] test rbtree_tests::test_pop_back ... ok [INFO] [stdout] test rbtree_tests::test_print ... ok [INFO] [stdout] test rbtree_tests::test_removal_case2_inner ... ok [INFO] [stdout] test rbtree_tests::test_removal_case3_red_parent ... ok [INFO] [stdout] test rbtree_tests::test_removal_case2_outer ... ok [INFO] [stdout] test rbtree_tests::test_removal_empty ... ok [INFO] [stdout] test rbtree_tests::test_removal_no_double_black ... ok [INFO] [stdout] test rbtree_tests::test_removal_notfound ... ok [INFO] [stdout] test rbtree_tests::test_removal_simple_case ... ok [INFO] [stdout] test rbtree_tests::test_remove_accumulative_changes ... ok [INFO] [stdout] test rbtree_tests::test_remove_immediate_right_double_black ... ok [INFO] [stdout] test rbtree_tests::test_remove_only_value ... ok [INFO] [stdout] test rbtree_tests::test_remove_root ... ok [INFO] [stdout] test rbtree_tests::test_removeal_case4 ... ok [INFO] [stdout] test rbtree_tests::test_symmetric_difference ... ok [INFO] [stdout] test rbtree_tests::test_union ... ok [INFO] [stdout] test stress_test::test_complex_tree_use ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.62s [INFO] [stdout] [INFO] [stderr] Doc-tests rb_tree [INFO] [stdout] [INFO] [stdout] running 86 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 rb_tree --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-b888e01189ec80b1.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-d1dc8bedb5ffcb44.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1a2c1c883675dc3f.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-f0047777caf7c2d3.rlib --extern rb_tree=/opt/rustwide/target/debug/deps/librb_tree-0c8d51b1f3bc0638.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="map"' --cfg 'feature="queue"' --cfg 'feature="set"' --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "bdce47a291817e7cae3450b93ebf69446b1bf70b78941248c34ec9407eefd337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdce47a291817e7cae3450b93ebf69446b1bf70b78941248c34ec9407eefd337", kill_on_drop: false }` [INFO] [stdout] bdce47a291817e7cae3450b93ebf69446b1bf70b78941248c34ec9407eefd337