[INFO] fetching crate grep-searcher 0.1.8...
[INFO] testing grep-searcher-0.1.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grep-searcher 0.1.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grep-searcher 0.1.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep-searcher 0.1.8
[INFO] finished tweaking crates.io crate grep-searcher 0.1.8
[INFO] tweaked toml for crates.io crate grep-searcher 0.1.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate grep-searcher 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f47c787a7b6c245d1f19ca3d1c1bbedb23c127d48cd3116ee6e7294088363bda
[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" "f47c787a7b6c245d1f19ca3d1c1bbedb23c127d48cd3116ee6e7294088363bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f47c787a7b6c245d1f19ca3d1c1bbedb23c127d48cd3116ee6e7294088363bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47c787a7b6c245d1f19ca3d1c1bbedb23c127d48cd3116ee6e7294088363bda", kill_on_drop: false }`
[INFO] [stdout] f47c787a7b6c245d1f19ca3d1c1bbedb23c127d48cd3116ee6e7294088363bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c9c6d3c667e75fe8beb6e5a2b8805bdf2031f4329e8ed49018a57ecc5ff01e
[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" "f2c9c6d3c667e75fe8beb6e5a2b8805bdf2031f4329e8ed49018a57ecc5ff01e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling grep-matcher v0.1.5
[INFO] [stderr]    Compiling memmap2 v0.3.0
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling grep-searcher v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "f2c9c6d3c667e75fe8beb6e5a2b8805bdf2031f4329e8ed49018a57ecc5ff01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c9c6d3c667e75fe8beb6e5a2b8805bdf2031f4329e8ed49018a57ecc5ff01e", kill_on_drop: false }`
[INFO] [stdout] f2c9c6d3c667e75fe8beb6e5a2b8805bdf2031f4329e8ed49018a57ecc5ff01e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7da385edfa2a52d40ecb68e99f3e1d64ebeb4da27fc48df65a8acbbcf68e7bc
[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" "a7da385edfa2a52d40ecb68e99f3e1d64ebeb4da27fc48df65a8acbbcf68e7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling grep-regex v0.1.9
[INFO] [stderr]    Compiling grep-searcher v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "a7da385edfa2a52d40ecb68e99f3e1d64ebeb4da27fc48df65a8acbbcf68e7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7da385edfa2a52d40ecb68e99f3e1d64ebeb4da27fc48df65a8acbbcf68e7bc", kill_on_drop: false }`
[INFO] [stdout] a7da385edfa2a52d40ecb68e99f3e1d64ebeb4da27fc48df65a8acbbcf68e7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb578be54950e95fa4d8f75efd1d7906f09671bb204b7e15ee1decde9f1725de
[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" "bb578be54950e95fa4d8f75efd1d7906f09671bb204b7e15ee1decde9f1725de", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 76 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grep_searcher-32961063e61d3b67)
[INFO] [stdout] test line_buffer::tests::buffer_basics1 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_basics3 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_basics4 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_convert1 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_basics2 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_convert4 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_convert2 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_none ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_quit1 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_quit2 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_empty ... ok
[INFO] [stdout] test line_buffer::tests::buffer_limited_capacity2 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_limited_capacity3 ... ok
[INFO] [stdout] test lines::tests::line_count ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_convert3 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_small_capacity ... ok
[INFO] [stdout] test lines::tests::line_locate ... ok
[INFO] [stdout] test lines::tests::preceding_lines_doc ... ok
[INFO] [stdout] test lines::tests::preceding_lines_empty1 ... ok
[INFO] [stdout] test lines::tests::line_iter_empty ... ok
[INFO] [stdout] test line_buffer::tests::replace ... ok
[INFO] [stdout] test lines::tests::preceding_lines_empty2 ... ok
[INFO] [stdout] test lines::tests::line_iter ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_quit3 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_quit4 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_binary_quit5 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_zero_capacity ... ok
[INFO] [stdout] test line_buffer::tests::buffer_limited_capacity1 ... ok
[INFO] [stdout] test lines::tests::line_locate_weird ... ok
[INFO] [stdout] test searcher::glue::tests::binary2 ... ok
[INFO] [stdout] test searcher::glue::tests::basic2 ... ok
[INFO] [stdout] test searcher::glue::tests::basic1 ... ok
[INFO] [stdout] test lines::tests::preceding_lines_sherlock ... ok
[INFO] [stdout] test lines::tests::preceding_lines_short ... ok
[INFO] [stdout] test searcher::glue::tests::basic3 ... ok
[INFO] [stdout] test searcher::glue::tests::basic4 ... ok
[INFO] [stdout] test searcher::glue::tests::binary1 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock1 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock_invert2 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock2 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock_invert1 ... ok
[INFO] [stdout] test searcher::glue::tests::empty_line2 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock5 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock6 ... ok
[INFO] [stdout] test searcher::glue::tests::empty_line3 ... ok
[INFO] [stdout] test searcher::glue::tests::empty_line1 ... ok
[INFO] [stdout] test searcher::glue::tests::context_code3 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock4 ... ok
[INFO] [stdout] test searcher::glue::tests::context_code2 ... ok
[INFO] [stdout] test searcher::glue::tests::empty_line5 ... ok
[INFO] [stdout] test searcher::glue::tests::line_number_invert1 ... ok
[INFO] [stdout] test searcher::glue::tests::context_sherlock3 ... ok
[INFO] [stdout] test searcher::glue::tests::invert1 ... ok
[INFO] [stdout] test searcher::glue::tests::empty_line4 ... ok
[INFO] [stdout] test searcher::glue::tests::multi_line_overlap1 ... ok
[INFO] [stdout] test searcher::glue::tests::line_number1 ... ok
[INFO] [stdout] test searcher::glue::tests::multi_line_overlap2 ... ok
[INFO] [stdout] test testutil::tests::empty_line2 ... ok
[INFO] [stdout] test searcher::glue::tests::passthru_sherlock1 ... ok
[INFO] [stdout] test searcher::glue::tests::passthru_sherlock_invert1 ... ok
[INFO] [stdout] test searcher::glue::tests::empty_line6 ... ok
[INFO] [stdout] test searcher::glue::tests::scratch ... ok
[INFO] [stdout] test searcher::tests::config_error_heap_limit ... ok
[INFO] [stdout] test searcher::tests::uft8_bom_sniffing ... ok
[INFO] [stdout] test testutil::tests::empty_line6 ... ok
[INFO] [stdout] test searcher::tests::config_error_line_terminator ... ok
[INFO] [stdout] test testutil::tests::empty_line1 ... ok
[INFO] [stdout] test testutil::tests::empty_line4 ... ok
[INFO] [stdout] test testutil::tests::empty_line3 ... ok
[INFO] [stdout] test searcher::glue::tests::context_code1 ... ok
[INFO] [stdout] test testutil::tests::empty_line5 ... ok
[INFO] [stdout] test searcher::glue::tests::big_error_one_line ... ok
[INFO] [stdout] test searcher::glue::tests::big_error_multi_line ... ok
[INFO] [stdout] test searcher::glue::tests::binary4 ... ok
[INFO] [stdout] test searcher::glue::tests::binary3 ... ok
[INFO] [stdout] test searcher::glue::tests::big1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grep-searcher
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb578be54950e95fa4d8f75efd1d7906f09671bb204b7e15ee1decde9f1725de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb578be54950e95fa4d8f75efd1d7906f09671bb204b7e15ee1decde9f1725de", kill_on_drop: false }`
[INFO] [stdout] bb578be54950e95fa4d8f75efd1d7906f09671bb204b7e15ee1decde9f1725de