[INFO] fetching crate unic-segment 0.9.0...
[INFO] testing unic-segment-0.9.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unic-segment 0.9.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate unic-segment 0.9.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unic-segment 0.9.0
[INFO] finished tweaking crates.io crate unic-segment 0.9.0
[INFO] tweaked toml for crates.io crate unic-segment 0.9.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2360af0776c07b031faa3d4e6aab7f74d13b253ef30624c2e38b471819f005f1
[INFO] running `Command { std: "docker" "start" "-a" "2360af0776c07b031faa3d4e6aab7f74d13b253ef30624c2e38b471819f005f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2360af0776c07b031faa3d4e6aab7f74d13b253ef30624c2e38b471819f005f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2360af0776c07b031faa3d4e6aab7f74d13b253ef30624c2e38b471819f005f1", kill_on_drop: false }`
[INFO] [stdout] 2360af0776c07b031faa3d4e6aab7f74d13b253ef30624c2e38b471819f005f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5e1fa20c2181cd21c53fbd016dfa43de3bc3d7979c1df7dcfc8d724aa77c817
[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" "d5e1fa20c2181cd21c53fbd016dfa43de3bc3d7979c1df7dcfc8d724aa77c817", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-segment v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d5e1fa20c2181cd21c53fbd016dfa43de3bc3d7979c1df7dcfc8d724aa77c817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e1fa20c2181cd21c53fbd016dfa43de3bc3d7979c1df7dcfc8d724aa77c817", kill_on_drop: false }`
[INFO] [stdout] d5e1fa20c2181cd21c53fbd016dfa43de3bc3d7979c1df7dcfc8d724aa77c817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6681cb7854a3faaae4d379d0f8d00ec0fa1d1c1699b9107b32fb1e19152f54
[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" "9a6681cb7854a3faaae4d379d0f8d00ec0fa1d1c1699b9107b32fb1e19152f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-ucd-common v0.9.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling unic-segment v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.98s
[INFO] running `Command { std: "docker" "inspect" "9a6681cb7854a3faaae4d379d0f8d00ec0fa1d1c1699b9107b32fb1e19152f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6681cb7854a3faaae4d379d0f8d00ec0fa1d1c1699b9107b32fb1e19152f54", kill_on_drop: false }`
[INFO] [stdout] 9a6681cb7854a3faaae4d379d0f8d00ec0fa1d1c1699b9107b32fb1e19152f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b44dce17dacaa824f6f49d1ccedc3fa3f3ea9766328f5ce5915a03a315e3dfb
[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" "0b44dce17dacaa824f6f49d1ccedc3fa3f3ea9766328f5ce5915a03a315e3dfb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unic_segment-3e666fc61898911f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test word::tests::test_words ... ok
[INFO] [stdout] test grapheme::tests::test_grapheme_indices ... ok
[INFO] [stdout] test word::tests::test_word_bounds ... ok
[INFO] [stdout] test grapheme::tests::test_graphemes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic_example-81e10b1324a44faa
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grapheme_cluster_conformance_tests-21d74bb9a70713dc
[INFO] [stdout] test test_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quickcheck_tests-8bcc3dfc9bfe8e87
[INFO] [stdout] test test_graphemes_conformance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test quickcheck_graphemes_new_legacy_join_vs_input ... ok
[INFO] [stdout] test quickcheck_graphemes_new_join_vs_input ... ok
[INFO] [stdout] test quickcheck_graphemes_new_legacy_forward_vs_reverse ... ok
[INFO] [stdout] test quickcheck_words_new_join_vs_input ... ok
[INFO] [stdout] test quickcheck_words_new_forward_vs_reverse ... ok
[INFO] [stdout] test quickcheck_graphemes_new_forward_vs_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/words_conformance_tests-030a16185b772d70
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests unic-segment
[INFO] [stdout] test test_words_conformance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::new (line 330) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::cur_cursor (line 415) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::next_boundary (line 642) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::prev_boundary (line 721) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::new_legacy (line 360) ... ok
[INFO] [stdout] test src/word.rs - word::WordBoundIndices::as_str (line 87) ... ok
[INFO] [stdout] test src/word.rs - word::WordBounds::as_str (line 645) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::is_boundary (line 552) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::next_boundary (line 631) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::Graphemes::as_str (line 126) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::provide_context (line 432) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::prev_boundary (line 709) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeIndices::as_str (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::set_cursor (line 388) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b44dce17dacaa824f6f49d1ccedc3fa3f3ea9766328f5ce5915a03a315e3dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b44dce17dacaa824f6f49d1ccedc3fa3f3ea9766328f5ce5915a03a315e3dfb", kill_on_drop: false }`
[INFO] [stdout] 0b44dce17dacaa824f6f49d1ccedc3fa3f3ea9766328f5ce5915a03a315e3dfb