[INFO] fetching crate file_scanner 0.2.0...
[INFO] testing file_scanner-0.2.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate file_scanner 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate file_scanner 0.2.0 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 file_scanner 0.2.0
[INFO] finished tweaking crates.io crate file_scanner 0.2.0
[INFO] tweaked toml for crates.io crate file_scanner 0.2.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 39085c7af167cda79de558bd360c137104f3ead1dd70b33672aabf984923f75b
[INFO] running `"docker" "start" "-a" "39085c7af167cda79de558bd360c137104f3ead1dd70b33672aabf984923f75b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling file_scanner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `"docker" "inspect" "39085c7af167cda79de558bd360c137104f3ead1dd70b33672aabf984923f75b"`
[INFO] running `"docker" "rm" "-f" "39085c7af167cda79de558bd360c137104f3ead1dd70b33672aabf984923f75b"`
[INFO] [stdout] 39085c7af167cda79de558bd360c137104f3ead1dd70b33672aabf984923f75b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fab5ffb76cf081a6718966b9d553b384ad9d690c6b4e2374cc79b024affca432
[INFO] running `"docker" "start" "-a" "fab5ffb76cf081a6718966b9d553b384ad9d690c6b4e2374cc79b024affca432"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file_scanner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "fab5ffb76cf081a6718966b9d553b384ad9d690c6b4e2374cc79b024affca432"`
[INFO] running `"docker" "rm" "-f" "fab5ffb76cf081a6718966b9d553b384ad9d690c6b4e2374cc79b024affca432"`
[INFO] [stdout] fab5ffb76cf081a6718966b9d553b384ad9d690c6b4e2374cc79b024affca432
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c24bd2d1fa4624e50901269144879667f0ede234a460c135e17fc2784731d3c1
[INFO] running `"docker" "start" "-a" "c24bd2d1fa4624e50901269144879667f0ede234a460c135e17fc2784731d3c1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_scanner-bd4687fc7cd9ebe5
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::next_int_custom_radix ... ok
[INFO] [stdout] test tests::next_int_none_on_positive_overflow ... ok
[INFO] [stdout] test tests::next_float ... ok
[INFO] [stdout] test tests::buffer_ends_before_delim ... ok
[INFO] [stdout] test tests::arbitrary_delim ... ok
[INFO] [stdout] test tests::next_float_base_2 ... ok
[INFO] [stdout] test tests::next_i32_none_on_negative_overflow ... ok
[INFO] [stdout] test tests::next_breaks_at_delim ... ok
[INFO] [stdout] test tests::next_handles_line_wrap ... ok
[INFO] [stdout] test tests::buffer_ends_within_end_delim ... ok
[INFO] [stdout] test tests::next_line_reads_whole_line ... ok
[INFO] [stdout] test tests::next_line_reads_last_line ... ok
[INFO] [stdout] test tests::next_int_handles_commas ... ok
[INFO] [stdout] test tests::next_works_once_when_good_input ... ok
[INFO] [stdout] test tests::radix_between_2_36 ... ok
[INFO] [stdout] test tests::next_works_after_next_line ... ok
[INFO] [stdout] test tests::str_delim_escapes_regexes ... ok
[INFO] [stdout] test tests::next_preserves_trailing_delim ... ok
[INFO] [stdout] test tests::next_skips_leading_delims ... ok
[INFO] [stderr]    Doc-tests file_scanner
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c24bd2d1fa4624e50901269144879667f0ede234a460c135e17fc2784731d3c1"`
[INFO] running `"docker" "rm" "-f" "c24bd2d1fa4624e50901269144879667f0ede234a460c135e17fc2784731d3c1"`
[INFO] [stdout] c24bd2d1fa4624e50901269144879667f0ede234a460c135e17fc2784731d3c1