[INFO] fetching crate file_scanner 0.2.0...
[INFO] testing file_scanner-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate file_scanner 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate file_scanner 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75b3f526236f5ab35119ddf349a93bd7ddb9d4367319e07ebab562b84954332a
[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" "75b3f526236f5ab35119ddf349a93bd7ddb9d4367319e07ebab562b84954332a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b3f526236f5ab35119ddf349a93bd7ddb9d4367319e07ebab562b84954332a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b3f526236f5ab35119ddf349a93bd7ddb9d4367319e07ebab562b84954332a", kill_on_drop: false }`
[INFO] [stdout] 75b3f526236f5ab35119ddf349a93bd7ddb9d4367319e07ebab562b84954332a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65d302178b786f05152f1f78acde23eda532d9dd9469324235c185a654bcf8b
[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" "b65d302178b786f05152f1f78acde23eda532d9dd9469324235c185a654bcf8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling regex v0.2.11
[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 5.55s
[INFO] running `Command { std: "docker" "inspect" "b65d302178b786f05152f1f78acde23eda532d9dd9469324235c185a654bcf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65d302178b786f05152f1f78acde23eda532d9dd9469324235c185a654bcf8b", kill_on_drop: false }`
[INFO] [stdout] b65d302178b786f05152f1f78acde23eda532d9dd9469324235c185a654bcf8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe924f2c5e7094cd07f7308a681fb3785244802e612b3bf61887f9d85f2d8c9a
[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" "fe924f2c5e7094cd07f7308a681fb3785244802e612b3bf61887f9d85f2d8c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_scanner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "fe924f2c5e7094cd07f7308a681fb3785244802e612b3bf61887f9d85f2d8c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe924f2c5e7094cd07f7308a681fb3785244802e612b3bf61887f9d85f2d8c9a", kill_on_drop: false }`
[INFO] [stdout] fe924f2c5e7094cd07f7308a681fb3785244802e612b3bf61887f9d85f2d8c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1443346e45c08f9451bab2e5e71ddbfd69be839433a841a7b24c599b5dc8d68
[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" "c1443346e45c08f9451bab2e5e71ddbfd69be839433a841a7b24c599b5dc8d68", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 19 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_scanner-729ed91d43504d19
[INFO] [stdout] test tests::next_breaks_at_delim ... ok
[INFO] [stdout] test tests::buffer_ends_within_end_delim ... ok
[INFO] [stdout] test tests::arbitrary_delim ... ok
[INFO] [stdout] test tests::next_float ... ok
[INFO] [stdout] test tests::buffer_ends_before_delim ... ok
[INFO] [stdout] test tests::next_handles_line_wrap ... ok
[INFO] [stdout] test tests::radix_between_2_36 ... ok
[INFO] [stdout] test tests::next_float_base_2 ... ok
[INFO] [stdout] test tests::next_line_reads_last_line ... ok
[INFO] [stdout] test tests::next_int_none_on_positive_overflow ... ok
[INFO] [stdout] test tests::next_i32_none_on_negative_overflow ... ok
[INFO] [stdout] test tests::next_line_reads_whole_line ... ok
[INFO] [stdout] test tests::next_int_handles_commas ... 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_skips_leading_delims ... ok
[INFO] [stdout] test tests::next_works_once_when_good_input ... ok
[INFO] [stdout] test tests::next_preserves_trailing_delim ... ok
[INFO] [stdout] test tests::next_int_custom_radix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_scanner
[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 `Command { std: "docker" "inspect" "c1443346e45c08f9451bab2e5e71ddbfd69be839433a841a7b24c599b5dc8d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1443346e45c08f9451bab2e5e71ddbfd69be839433a841a7b24c599b5dc8d68", kill_on_drop: false }`
[INFO] [stdout] c1443346e45c08f9451bab2e5e71ddbfd69be839433a841a7b24c599b5dc8d68