[INFO] fetching crate extract-frontmatter 1.0.2...
[INFO] testing extract-frontmatter-1.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate extract-frontmatter 1.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate extract-frontmatter 1.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extract-frontmatter 1.0.2
[INFO] finished tweaking crates.io crate extract-frontmatter 1.0.2
[INFO] tweaked toml for crates.io crate extract-frontmatter 1.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] a2e2e9f992f9b4e68706206729b7acc1372ffbd59dc8e3df503ee4769154c192
[INFO] running `Command { std: "docker" "start" "-a" "a2e2e9f992f9b4e68706206729b7acc1372ffbd59dc8e3df503ee4769154c192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e2e9f992f9b4e68706206729b7acc1372ffbd59dc8e3df503ee4769154c192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e2e9f992f9b4e68706206729b7acc1372ffbd59dc8e3df503ee4769154c192", kill_on_drop: false }`
[INFO] [stdout] a2e2e9f992f9b4e68706206729b7acc1372ffbd59dc8e3df503ee4769154c192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bdc6281e430bc97dd74f4d18994ec89f5d1e2d67e3114343f75f5fb82704021
[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" "0bdc6281e430bc97dd74f4d18994ec89f5d1e2d67e3114343f75f5fb82704021", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling extract-frontmatter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "0bdc6281e430bc97dd74f4d18994ec89f5d1e2d67e3114343f75f5fb82704021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdc6281e430bc97dd74f4d18994ec89f5d1e2d67e3114343f75f5fb82704021", kill_on_drop: false }`
[INFO] [stdout] 0bdc6281e430bc97dd74f4d18994ec89f5d1e2d67e3114343f75f5fb82704021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 90e1e5409d8ec463ea6748206fbc5b7d2584f70d8cf37c67bda6c458a13c2857
[INFO] running `Command { std: "docker" "start" "-a" "90e1e5409d8ec463ea6748206fbc5b7d2584f70d8cf37c67bda6c458a13c2857", kill_on_drop: false }`
[INFO] [stderr]    Compiling extract-frontmatter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "90e1e5409d8ec463ea6748206fbc5b7d2584f70d8cf37c67bda6c458a13c2857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e1e5409d8ec463ea6748206fbc5b7d2584f70d8cf37c67bda6c458a13c2857", kill_on_drop: false }`
[INFO] [stdout] 90e1e5409d8ec463ea6748206fbc5b7d2584f70d8cf37c67bda6c458a13c2857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 249d7c01ed3fddfa3f7e01dc2eef2b3365aec342d15c3627f277ff2618fb03f8
[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" "249d7c01ed3fddfa3f7e01dc2eef2b3365aec342d15c3627f277ff2618fb03f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extract_frontmatter-157a0bb78073729f
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test config::tests::test_new_config ... ok
[INFO] [stdout] test frontmatter::clean_tests::test_discard_first ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_lead_chars ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_number ... ok
[INFO] [stdout] test tests::test_extract_by_discard_first_and_end_line ... ok
[INFO] [stdout] test config::tests::test_get_end_line ... ok
[INFO] [stdout] test config::tests::test_discard_first ... ok
[INFO] [stdout] test tests::test_extract_by_discard_first_and_number ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_end_line_and_lead_chars ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_end_line ... ok
[INFO] [stdout] test tests::test_extract_by_end_line_and_lead_chars ... ok
[INFO] [stdout] test tests::test_extract_by_lead_chars ... ok
[INFO] [stdout] test frontmatter::clean_tests::test_lead_chars ... ok
[INFO] [stdout] test config::tests::test_get_lead_chars ... ok
[INFO] [stdout] test config::tests::test_get_number ... ok
[INFO] [stdout] test frontmatter::clean_tests::test_discard_first_and_lead_chars ... ok
[INFO] [stderr]    Doc-tests extract-frontmatter
[INFO] [stdout] test config::tests::test_empty_config_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/config.rs - config::Config::new (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "249d7c01ed3fddfa3f7e01dc2eef2b3365aec342d15c3627f277ff2618fb03f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249d7c01ed3fddfa3f7e01dc2eef2b3365aec342d15c3627f277ff2618fb03f8", kill_on_drop: false }`
[INFO] [stdout] 249d7c01ed3fddfa3f7e01dc2eef2b3365aec342d15c3627f277ff2618fb03f8