[INFO] fetching crate unicode-segmentation 1.8.0...
[INFO] testing unicode-segmentation-1.8.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate unicode-segmentation 1.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate unicode-segmentation 1.8.0 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 unicode-segmentation 1.8.0
[INFO] finished tweaking crates.io crate unicode-segmentation 1.8.0
[INFO] tweaked toml for crates.io crate unicode-segmentation 1.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] e4f8d782b1583ab64958ffaecbbdc604179abbb56618ea5390b603d6d9948103
[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" "e4f8d782b1583ab64958ffaecbbdc604179abbb56618ea5390b603d6d9948103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f8d782b1583ab64958ffaecbbdc604179abbb56618ea5390b603d6d9948103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f8d782b1583ab64958ffaecbbdc604179abbb56618ea5390b603d6d9948103", kill_on_drop: false }`
[INFO] [stdout] e4f8d782b1583ab64958ffaecbbdc604179abbb56618ea5390b603d6d9948103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e93071f096b0dcc5cc9b10e7e74aa5f240d13138dbcd1b08d1ea2bd3abcb69a
[INFO] running `Command { std: "docker" "start" "-a" "0e93071f096b0dcc5cc9b10e7e74aa5f240d13138dbcd1b08d1ea2bd3abcb69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "0e93071f096b0dcc5cc9b10e7e74aa5f240d13138dbcd1b08d1ea2bd3abcb69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e93071f096b0dcc5cc9b10e7e74aa5f240d13138dbcd1b08d1ea2bd3abcb69a", kill_on_drop: false }`
[INFO] [stdout] 0e93071f096b0dcc5cc9b10e7e74aa5f240d13138dbcd1b08d1ea2bd3abcb69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f611328a199df6b045e7c88957936d9b2488dc5a17d56ac87d562be036d5ba35
[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" "f611328a199df6b045e7c88957936d9b2488dc5a17d56ac87d562be036d5ba35", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 58.99s
[INFO] running `Command { std: "docker" "inspect" "f611328a199df6b045e7c88957936d9b2488dc5a17d56ac87d562be036d5ba35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f611328a199df6b045e7c88957936d9b2488dc5a17d56ac87d562be036d5ba35", kill_on_drop: false }`
[INFO] [stdout] f611328a199df6b045e7c88957936d9b2488dc5a17d56ac87d562be036d5ba35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 71ca0c3d6c068ba13b7c35e65f9e8d1f188b5855bc9e6594f6e2be17233c43e5
[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" "71ca0c3d6c068ba13b7c35e65f9e8d1f188b5855bc9e6594f6e2be17233c43e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unicode_segmentation-185a67c20ecfd7f9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test grapheme::test_grapheme_cursor_chunk_start_require_precontext ... ok
[INFO] [stdout] test grapheme::test_grapheme_cursor_prev_boundary ... ok
[INFO] [stdout] test grapheme::test_grapheme_cursor_ris_precontext ... ok
[INFO] [stdout] test test::test_graphemes ... ok
[INFO] [stdout] test grapheme::test_grapheme_cursor_prev_boundary_chunk_start ... ok
[INFO] [stdout] test test::quickcheck_forward_reverse_words ... ok
[INFO] [stdout] test test::test_sentences ... ok
[INFO] [stdout] test test::quickcheck_join_words ... ok
[INFO] [stdout] test test::quickcheck_forward_reverse_graphemes_extended ... ok
[INFO] [stdout] test test::quickcheck_forward_reverse_graphemes_legacy ... ok
[INFO] [stdout] test test::quickcheck_join_graphemes ... ok
[INFO] [stderr]    Doc-tests unicode-segmentation
[INFO] [stdout] test test::test_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::cur_cursor (line 358) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::next_boundary (line 584) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::next_boundary (line 595) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::is_boundary (line 507) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::grapheme_indices (line 117) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::provide_context (line 375) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeIndices::as_str (line 32) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::prev_boundary (line 670) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::new (line 270) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::Graphemes::as_str (line 87) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::prev_boundary (line 658) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::split_sentence_bounds (line 233) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::set_cursor (line 330) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::split_sentence_bound_indices (line 248) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::graphemes (line 97) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::split_word_bounds (line 180) ... ok
[INFO] [stdout] test src/word.rs - word::UWordBounds::as_str (line 653) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::split_word_bound_indices (line 194) ... ok
[INFO] [stdout] test src/word.rs - word::UWordBoundIndices::as_str (line 103) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::unicode_words (line 139) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::unicode_word_indices (line 162) ... ok
[INFO] [stdout] test src/lib.rs - UnicodeSegmentation::unicode_sentences (line 216) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71ca0c3d6c068ba13b7c35e65f9e8d1f188b5855bc9e6594f6e2be17233c43e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ca0c3d6c068ba13b7c35e65f9e8d1f188b5855bc9e6594f6e2be17233c43e5", kill_on_drop: false }`
[INFO] [stdout] 71ca0c3d6c068ba13b7c35e65f9e8d1f188b5855bc9e6594f6e2be17233c43e5