[INFO] fetching crate file_scanner 0.2.0...
[INFO] testing file_scanner-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate file_scanner 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate file_scanner 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buf_redux v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 422125c1864c7d7e565082e07d1598c54c716b98efb538c14bdcdbab2770a471
[INFO] running `Command { std: "docker" "start" "-a" "422125c1864c7d7e565082e07d1598c54c716b98efb538c14bdcdbab2770a471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422125c1864c7d7e565082e07d1598c54c716b98efb538c14bdcdbab2770a471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422125c1864c7d7e565082e07d1598c54c716b98efb538c14bdcdbab2770a471", kill_on_drop: false }`
[INFO] [stdout] 422125c1864c7d7e565082e07d1598c54c716b98efb538c14bdcdbab2770a471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] 30bfb7886fb864c8020d926241a1391f4f8f2f5966bca05cbe14bcd903faa654
[INFO] running `Command { std: "docker" "start" "-a" "30bfb7886fb864c8020d926241a1391f4f8f2f5966bca05cbe14bcd903faa654", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[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 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 7.68s
[INFO] running `Command { std: "docker" "inspect" "30bfb7886fb864c8020d926241a1391f4f8f2f5966bca05cbe14bcd903faa654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30bfb7886fb864c8020d926241a1391f4f8f2f5966bca05cbe14bcd903faa654", kill_on_drop: false }`
[INFO] [stdout] 30bfb7886fb864c8020d926241a1391f4f8f2f5966bca05cbe14bcd903faa654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b13481ed2e2158c4d595d8e90513af33edfcf97ba5a1faf9c39ae7a7ed3395fd
[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" "b13481ed2e2158c4d595d8e90513af33edfcf97ba5a1faf9c39ae7a7ed3395fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_scanner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "b13481ed2e2158c4d595d8e90513af33edfcf97ba5a1faf9c39ae7a7ed3395fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13481ed2e2158c4d595d8e90513af33edfcf97ba5a1faf9c39ae7a7ed3395fd", kill_on_drop: false }`
[INFO] [stdout] b13481ed2e2158c4d595d8e90513af33edfcf97ba5a1faf9c39ae7a7ed3395fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7c849a7682475740362b99f7500f10bfd63ae0dc19b085816f872898050398d
[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" "d7c849a7682475740362b99f7500f10bfd63ae0dc19b085816f872898050398d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_scanner-eda4d84bf2788b2c)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::next_handles_line_wrap ... ok
[INFO] [stdout] test tests::next_breaks_at_delim ... ok
[INFO] [stdout] test tests::buffer_ends_within_end_delim ... ok
[INFO] [stdout] test tests::next_line_reads_last_line ... ok
[INFO] [stdout] test tests::next_works_after_next_line ... ok
[INFO] [stdout] test tests::next_skips_leading_delims ... ok
[INFO] [stdout] test tests::next_preserves_trailing_delim ... ok
[INFO] [stdout] test tests::next_float ... ok
[INFO] [stdout] test tests::next_int_none_on_positive_overflow ... ok
[INFO] [stdout] test tests::next_line_reads_whole_line ... ok
[INFO] [stdout] test tests::arbitrary_delim ... ok
[INFO] [stdout] test tests::next_works_once_when_good_input ... ok
[INFO] [stdout] test tests::next_float_base_2 ... ok
[INFO] [stdout] test tests::str_delim_escapes_regexes ... ok
[INFO] [stdout] test tests::next_int_handles_commas ... ok
[INFO] [stdout] test tests::next_int_custom_radix ... ok
[INFO] [stdout] test tests::radix_between_2_36 ... ok
[INFO] [stdout] test tests::buffer_ends_before_delim ... ok
[INFO] [stdout] test tests::next_i32_none_on_negative_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7c849a7682475740362b99f7500f10bfd63ae0dc19b085816f872898050398d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c849a7682475740362b99f7500f10bfd63ae0dc19b085816f872898050398d", kill_on_drop: false }`
[INFO] [stdout] d7c849a7682475740362b99f7500f10bfd63ae0dc19b085816f872898050398d