[INFO] fetching crate extract-frontmatter 1.0.2...
[INFO] testing extract-frontmatter-1.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate extract-frontmatter 1.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate extract-frontmatter 1.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5be24ba48b70e35f0dd4645dceac0bd310fe7e7b173b79ffc83a2e94c1618662
[INFO] running `"docker" "start" "-a" "5be24ba48b70e35f0dd4645dceac0bd310fe7e7b173b79ffc83a2e94c1618662"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling extract-frontmatter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "5be24ba48b70e35f0dd4645dceac0bd310fe7e7b173b79ffc83a2e94c1618662"`
[INFO] running `"docker" "rm" "-f" "5be24ba48b70e35f0dd4645dceac0bd310fe7e7b173b79ffc83a2e94c1618662"`
[INFO] [stdout] 5be24ba48b70e35f0dd4645dceac0bd310fe7e7b173b79ffc83a2e94c1618662
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a1e21f3396db455c581b5a7c51c69de793c87f974d79086a782c4bdf35cb7c2
[INFO] running `"docker" "start" "-a" "5a1e21f3396db455c581b5a7c51c69de793c87f974d79086a782c4bdf35cb7c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling extract-frontmatter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "5a1e21f3396db455c581b5a7c51c69de793c87f974d79086a782c4bdf35cb7c2"`
[INFO] running `"docker" "rm" "-f" "5a1e21f3396db455c581b5a7c51c69de793c87f974d79086a782c4bdf35cb7c2"`
[INFO] [stdout] 5a1e21f3396db455c581b5a7c51c69de793c87f974d79086a782c4bdf35cb7c2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 115ec1e1029ed747724e1cfac28be42493f108b38e92ea6d72fec82abccf66ad
[INFO] running `"docker" "start" "-a" "115ec1e1029ed747724e1cfac28be42493f108b38e92ea6d72fec82abccf66ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/extract_frontmatter-f3e3a036e357d900
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test config::tests::test_discard_first ... ok
[INFO] [stdout] test config::tests::test_get_number ... ok
[INFO] [stdout] test frontmatter::clean_tests::test_lead_chars ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_end_line ... ok
[INFO] [stdout] test tests::test_extract_by_lead_chars ... ok
[INFO] [stdout] test tests::test_extract_by_discard_first_and_number ... ok
[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_number ... ok
[INFO] [stdout] test tests::test_extract_by_discard_first_and_end_line ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_end_line_and_lead_chars ... ok
[INFO] [stdout] test tests::test_extract_by_end_line_and_lead_chars ... ok
[INFO] [stdout] test frontmatter::line_tests::test_get_frontmatter_lines_by_lead_chars ... ok
[INFO] [stdout] test frontmatter::clean_tests::test_discard_first_and_lead_chars ... ok
[INFO] [stdout] test config::tests::test_get_lead_chars ... ok
[INFO] [stdout] test config::tests::test_get_end_line ... ok
[INFO] [stdout] test config::tests::test_empty_config_panics ... ok
[INFO] [stderr]    Doc-tests extract-frontmatter
[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/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/config.rs - config::Config::new (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "115ec1e1029ed747724e1cfac28be42493f108b38e92ea6d72fec82abccf66ad"`
[INFO] running `"docker" "rm" "-f" "115ec1e1029ed747724e1cfac28be42493f108b38e92ea6d72fec82abccf66ad"`
[INFO] [stdout] 115ec1e1029ed747724e1cfac28be42493f108b38e92ea6d72fec82abccf66ad