[INFO] fetching crate unic-segment 0.9.0...
[INFO] testing unic-segment-0.9.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate unic-segment 0.9.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate unic-segment 0.9.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b231cd4828f5fc25e4f89f46890b59fbec1a26d1fb4eb58a8e44a04ddb3e9f1
[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" "3b231cd4828f5fc25e4f89f46890b59fbec1a26d1fb4eb58a8e44a04ddb3e9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b231cd4828f5fc25e4f89f46890b59fbec1a26d1fb4eb58a8e44a04ddb3e9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b231cd4828f5fc25e4f89f46890b59fbec1a26d1fb4eb58a8e44a04ddb3e9f1", kill_on_drop: false }`
[INFO] [stdout] 3b231cd4828f5fc25e4f89f46890b59fbec1a26d1fb4eb58a8e44a04ddb3e9f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1657f15555607af9665a53d7ab698a778c3c25a5f1dc4d60a40c27064617c01
[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" "f1657f15555607af9665a53d7ab698a778c3c25a5f1dc4d60a40c27064617c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling unic-segment v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "f1657f15555607af9665a53d7ab698a778c3c25a5f1dc4d60a40c27064617c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1657f15555607af9665a53d7ab698a778c3c25a5f1dc4d60a40c27064617c01", kill_on_drop: false }`
[INFO] [stdout] f1657f15555607af9665a53d7ab698a778c3c25a5f1dc4d60a40c27064617c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf601efa1bb4778db2021a8fef48436a1c9ca5a0c1719a0d68bb7e91d21a8b9
[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" "baf601efa1bb4778db2021a8fef48436a1c9ca5a0c1719a0d68bb7e91d21a8b9", 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 8.21s
[INFO] running `Command { std: "docker" "inspect" "baf601efa1bb4778db2021a8fef48436a1c9ca5a0c1719a0d68bb7e91d21a8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf601efa1bb4778db2021a8fef48436a1c9ca5a0c1719a0d68bb7e91d21a8b9", kill_on_drop: false }`
[INFO] [stdout] baf601efa1bb4778db2021a8fef48436a1c9ca5a0c1719a0d68bb7e91d21a8b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b21b463067b9bbd8b45f532018d68fd5967a8b72c0a62c1c405ba07ae26b68a
[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" "9b21b463067b9bbd8b45f532018d68fd5967a8b72c0a62c1c405ba07ae26b68a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unic_segment-646a983d42fac3ac
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test word::tests::test_word_bounds ... ok
[INFO] [stdout] test word::tests::test_words ... ok
[INFO] [stdout] test grapheme::tests::test_graphemes ... ok
[INFO] [stdout] test grapheme::tests::test_grapheme_indices ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic_example-7a078ba0776a2e83
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grapheme_cluster_conformance_tests-1dbd0cf412269670
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quickcheck_tests-fa7b5c4723156e86
[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; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test quickcheck_graphemes_new_join_vs_input ... ok
[INFO] [stdout] test quickcheck_words_new_join_vs_input ... ok
[INFO] [stdout] test quickcheck_graphemes_new_forward_vs_reverse ... ok
[INFO] [stdout] test quickcheck_graphemes_new_legacy_join_vs_input ... ok
[INFO] [stdout] test quickcheck_words_new_forward_vs_reverse ... ok
[INFO] [stdout] test quickcheck_graphemes_new_legacy_forward_vs_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/words_conformance_tests-1d244ae5b40e6ed2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unic-segment
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::provide_context (line 432) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeIndices::as_str (line 51) ... 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::new (line 330) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::new_legacy (line 360) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::set_cursor (line 388) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::prev_boundary (line 721) ... 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 642) ... ok
[INFO] [stdout] test src/word.rs - word::WordBoundIndices::as_str (line 87) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::prev_boundary (line 709) ... ok
[INFO] [stdout] test src/grapheme.rs - grapheme::GraphemeCursor::cur_cursor (line 415) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b21b463067b9bbd8b45f532018d68fd5967a8b72c0a62c1c405ba07ae26b68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b21b463067b9bbd8b45f532018d68fd5967a8b72c0a62c1c405ba07ae26b68a", kill_on_drop: false }`
[INFO] [stdout] 9b21b463067b9bbd8b45f532018d68fd5967a8b72c0a62c1c405ba07ae26b68a