[INFO] fetching crate regular-expression 0.1.0...
[INFO] testing regular-expression-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate regular-expression 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate regular-expression 0.1.0 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 regular-expression 0.1.0
[INFO] finished tweaking crates.io crate regular-expression 0.1.0
[INFO] tweaked toml for crates.io crate regular-expression 0.1.0 written to /workspace/builds/worker-4/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 regular-expression-bootstrap v0.1.0
[INFO] [stderr]   Downloaded simple-lexer-bootstrap v0.1.0
[INFO] [stderr]   Downloaded simple-parser-bootstrap v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8b146c24b5477b2e18bc16a5b87d4c96e2209cf4488ed9d6f81bc8b9a1217c9a
[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" "8b146c24b5477b2e18bc16a5b87d4c96e2209cf4488ed9d6f81bc8b9a1217c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b146c24b5477b2e18bc16a5b87d4c96e2209cf4488ed9d6f81bc8b9a1217c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b146c24b5477b2e18bc16a5b87d4c96e2209cf4488ed9d6f81bc8b9a1217c9a", kill_on_drop: false }`
[INFO] [stdout] 8b146c24b5477b2e18bc16a5b87d4c96e2209cf4488ed9d6f81bc8b9a1217c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] df5c722a9d78d88d59cb617cb22de1598292d622476d60bc777dd7a006aef65f
[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" "df5c722a9d78d88d59cb617cb22de1598292d622476d60bc777dd7a006aef65f", kill_on_drop: false }`
[INFO] [stderr]    Compiling segment-map v0.1.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling finite-automata v0.1.1
[INFO] [stderr]    Compiling regular-expression-bootstrap v0.1.0
[INFO] [stderr]    Compiling simple-lexer-bootstrap v0.1.0
[INFO] [stderr]    Compiling simple-parser-bootstrap v0.1.0
[INFO] [stderr]    Compiling regular-expression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "df5c722a9d78d88d59cb617cb22de1598292d622476d60bc777dd7a006aef65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5c722a9d78d88d59cb617cb22de1598292d622476d60bc777dd7a006aef65f", kill_on_drop: false }`
[INFO] [stdout] df5c722a9d78d88d59cb617cb22de1598292d622476d60bc777dd7a006aef65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20556d7fa5525295d9d86818e4ccd0df79fc75306fe96343d246cea689c176f1
[INFO] running `Command { std: "docker" "start" "-a" "20556d7fa5525295d9d86818e4ccd0df79fc75306fe96343d246cea689c176f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling regular-expression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "20556d7fa5525295d9d86818e4ccd0df79fc75306fe96343d246cea689c176f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20556d7fa5525295d9d86818e4ccd0df79fc75306fe96343d246cea689c176f1", kill_on_drop: false }`
[INFO] [stdout] 20556d7fa5525295d9d86818e4ccd0df79fc75306fe96343d246cea689c176f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 737a40ff16dbdb6e3c39f93b73c64edb7dd54dec86872409dbb26b3d34c94fdd
[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" "737a40ff16dbdb6e3c39f93b73c64edb7dd54dec86872409dbb26b3d34c94fdd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regular_expression-42c06fe7c6299d4b
[INFO] [stdout] running 60 tests
[INFO] [stdout] test re::tests::test_dfa_concatenation ... ok
[INFO] [stdout] test re::tests::test_dfa_repetition ... ok
[INFO] [stdout] test re::tests::test_dfa_symbol ... ok
[INFO] [stdout] test re::tests::test_dfa_negated_symbol_set ... ok
[INFO] [stdout] test re::tests::test_dfa_negated_symbol ... ok
[INFO] [stdout] test re::tests::test_enfa_epsilon ... ok
[INFO] [stdout] test re::tests::test_dfa_epsilon ... ok
[INFO] [stdout] test re::tests::test_enfa_repetition ... ok
[INFO] [stdout] test re::tests::test_enfa_symbol_set ... ok
[INFO] [stdout] test re::tests::test_enfa_negated_symbol_set ... ok
[INFO] [stdout] test re::tests::test_match_alternation_2 ... ok
[INFO] [stdout] test re::tests::test_dfa_symbol_set ... ok
[INFO] [stdout] test re::tests::test_enfa_alternation ... ok
[INFO] [stdout] test re::tests::test_enfa_negated_symbol ... ok
[INFO] [stdout] test re::tests::test_match_alternation_3 ... ok
[INFO] [stdout] test re::tests::test_enfa_symbol ... ok
[INFO] [stdout] test re::tests::test_match_complex_2 ... ok
[INFO] [stdout] test re::tests::test_enfa_concatenation ... ok
[INFO] [stdout] test re::tests::test_match_all ... ok
[INFO] [stdout] test re::tests::test_dfa_alternation ... ok
[INFO] [stdout] test re::tests::test_match_alternation_1 ... ok
[INFO] [stdout] test re::tests::test_match_complex_1 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_15 ... ok
[INFO] [stdout] test re::tests::test_match_concatenation_2 ... ok
[INFO] [stdout] test re::tests::test_match_concatenation_1 ... ok
[INFO] [stdout] test re::tests::test_match_negated_symbol_2 ... ok
[INFO] [stdout] test re::tests::test_match_negated_symbol_set_2 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_1 ... ok
[INFO] [stdout] test re::tests::test_match_complex_3 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_13 ... ok
[INFO] [stdout] test re::tests::test_match_epsilon_1 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_12 ... ok
[INFO] [stdout] test re::tests::test_match_negated_symbol_1 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_11 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_10 ... ok
[INFO] [stdout] test re::tests::test_match_epsilon_2 ... ok
[INFO] [stdout] test re::tests::test_match_negated_symbol_set_1 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_18 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_14 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_16 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_20 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_19 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_2 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_22 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_21 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_25 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_4 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_5 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_17 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_3 ... ok
[INFO] [stdout] test re::tests::test_match_symbol_1 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_24 ... ok
[INFO] [stdout] test re::tests::test_match_symbol_2 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_7 ... ok
[INFO] [stdout] test re::tests::test_match_symbol_set_1 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_9 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_8 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_6 ... ok
[INFO] [stdout] test re::tests::test_match_repetition_23 ... ok
[INFO] [stdout] test re::tests::test_match_symbol_set_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.77s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regular-expression
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "737a40ff16dbdb6e3c39f93b73c64edb7dd54dec86872409dbb26b3d34c94fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737a40ff16dbdb6e3c39f93b73c64edb7dd54dec86872409dbb26b3d34c94fdd", kill_on_drop: false }`
[INFO] [stdout] 737a40ff16dbdb6e3c39f93b73c64edb7dd54dec86872409dbb26b3d34c94fdd