[INFO] fetching crate rb_tree 0.5.0...
[INFO] testing rb_tree-0.5.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rb_tree 0.5.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate rb_tree 0.5.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rb_tree 0.5.0
[INFO] finished tweaking crates.io crate rb_tree 0.5.0
[INFO] tweaked toml for crates.io crate rb_tree 0.5.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate rb_tree 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec035dc862d693c44b027e996a3128b5ac49b8ee6765eb36c4c52b6497e438cf
[INFO] running `Command { std: "docker" "start" "-a" "ec035dc862d693c44b027e996a3128b5ac49b8ee6765eb36c4c52b6497e438cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec035dc862d693c44b027e996a3128b5ac49b8ee6765eb36c4c52b6497e438cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec035dc862d693c44b027e996a3128b5ac49b8ee6765eb36c4c52b6497e438cf", kill_on_drop: false }`
[INFO] [stdout] ec035dc862d693c44b027e996a3128b5ac49b8ee6765eb36c4c52b6497e438cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8783643a4ae5fed41d135e7ffea920c8ce6d280b73bbb71a779f3433e25c5c71
[INFO] running `Command { std: "docker" "start" "-a" "8783643a4ae5fed41d135e7ffea920c8ce6d280b73bbb71a779f3433e25c5c71", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb_tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "8783643a4ae5fed41d135e7ffea920c8ce6d280b73bbb71a779f3433e25c5c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8783643a4ae5fed41d135e7ffea920c8ce6d280b73bbb71a779f3433e25c5c71", kill_on_drop: false }`
[INFO] [stdout] 8783643a4ae5fed41d135e7ffea920c8ce6d280b73bbb71a779f3433e25c5c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaacf88d31a2a96654133c22dff911d60475cf7909b5e28668989f3ceb842929
[INFO] running `Command { std: "docker" "start" "-a" "eaacf88d31a2a96654133c22dff911d60475cf7909b5e28668989f3ceb842929", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling rb_tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.41s
[INFO] running `Command { std: "docker" "inspect" "eaacf88d31a2a96654133c22dff911d60475cf7909b5e28668989f3ceb842929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaacf88d31a2a96654133c22dff911d60475cf7909b5e28668989f3ceb842929", kill_on_drop: false }`
[INFO] [stdout] eaacf88d31a2a96654133c22dff911d60475cf7909b5e28668989f3ceb842929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41d88a4c54684c194e6cf7946f4ad36a203f3b8585efc519d92718b409c2dec8
[INFO] running `Command { std: "docker" "start" "-a" "41d88a4c54684c194e6cf7946f4ad36a203f3b8585efc519d92718b409c2dec8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rb_tree-e232fc9e0c3a5835)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test rbtree_tests::test_add_existing ... ok
[INFO] [stdout] test rbtree_tests::test_black_leaf_removal ... ok
[INFO] [stdout] test rbtree_tests::test_complex_insertion ... ok
[INFO] [stdout] test rbtree_tests::test_contains_and_is_empty ... ok
[INFO] [stdout] test rbtree_tests::test_complicated_example ... ok
[INFO] [stdout] test rbtree_tests::test_extend ... ok
[INFO] [stdout] test rbtree_tests::test_difference ... 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_case2_right ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case3_at_root ... ok
[INFO] [stdout] test rbtree_tests::test_insertion_case3_not_root ... ok
[INFO] [stdout] test rbtree_tests::test_intersection ... 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_ordered ... ok
[INFO] [stdout] test rbtree_tests::test_peek ... ok
[INFO] [stdout] test rbtree_tests::test_pop ... ok
[INFO] [stdout] test rbtree_tests::test_peek_back ... ok
[INFO] [stdout] test rbtree_tests::test_print ... ok
[INFO] [stdout] test rbtree_tests::test_pop_back ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case2_inner ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case2_outer ... ok
[INFO] [stdout] test rbtree_tests::test_removal_case3_red_parent ... 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_simple_case ... ok
[INFO] [stdout] test rbtree_tests::test_removal_notfound ... ok
[INFO] [stdout] test rbtree_tests::test_remove_immediate_right_double_black ... ok
[INFO] [stdout] test rbtree_tests::test_remove_accumulative_changes ... 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 5.04s
[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-469634734ec74e9e.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-22cd72556da4b99c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-64e55462f570f7c5.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-453801675739c21b.rlib --extern rb_tree=/opt/rustwide/target/debug/deps/librb_tree-626b88178c5362ba.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-174ad08f40e64840.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" "41d88a4c54684c194e6cf7946f4ad36a203f3b8585efc519d92718b409c2dec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d88a4c54684c194e6cf7946f4ad36a203f3b8585efc519d92718b409c2dec8", kill_on_drop: false }`
[INFO] [stdout] 41d88a4c54684c194e6cf7946f4ad36a203f3b8585efc519d92718b409c2dec8