[INFO] fetching crate grep-printer 0.1.5...
[INFO] testing grep-printer-0.1.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate grep-printer 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grep-printer 0.1.5 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 grep-printer 0.1.5
[INFO] finished tweaking crates.io crate grep-printer 0.1.5
[INFO] tweaked toml for crates.io crate grep-printer 0.1.5 written to /workspace/builds/worker-4/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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2ae52b1b79e605e11631af357ed1646bf727c31c3d1bf115edfaf8248e929b7
[INFO] running `Command { std: "docker" "start" "-a" "a2ae52b1b79e605e11631af357ed1646bf727c31c3d1bf115edfaf8248e929b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ae52b1b79e605e11631af357ed1646bf727c31c3d1bf115edfaf8248e929b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ae52b1b79e605e11631af357ed1646bf727c31c3d1bf115edfaf8248e929b7", kill_on_drop: false }`
[INFO] [stdout] a2ae52b1b79e605e11631af357ed1646bf727c31c3d1bf115edfaf8248e929b7
[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" "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] 457298a75cc7cc912f49cf39aaf08b6dad7dc2fb28863bd81f0e69c1a8a146b1
[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" "457298a75cc7cc912f49cf39aaf08b6dad7dc2fb28863bd81f0e69c1a8a146b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling grep-matcher v0.1.4
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling grep-searcher v0.1.7
[INFO] [stderr]    Compiling grep-printer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "457298a75cc7cc912f49cf39aaf08b6dad7dc2fb28863bd81f0e69c1a8a146b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457298a75cc7cc912f49cf39aaf08b6dad7dc2fb28863bd81f0e69c1a8a146b1", kill_on_drop: false }`
[INFO] [stdout] 457298a75cc7cc912f49cf39aaf08b6dad7dc2fb28863bd81f0e69c1a8a146b1
[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" "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] 9356205b34d7f15104d4b1ca74e056a8e63257cd1cff1f9d45503d3c40a3feb2
[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" "9356205b34d7f15104d4b1ca74e056a8e63257cd1cff1f9d45503d3c40a3feb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling grep-regex v0.1.8
[INFO] [stderr]    Compiling grep-printer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "9356205b34d7f15104d4b1ca74e056a8e63257cd1cff1f9d45503d3c40a3feb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9356205b34d7f15104d4b1ca74e056a8e63257cd1cff1f9d45503d3c40a3feb2", kill_on_drop: false }`
[INFO] [stdout] 9356205b34d7f15104d4b1ca74e056a8e63257cd1cff1f9d45503d3c40a3feb2
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 509f228e2be0c68de259424254bc1909f99a162b7382ab57872e7ec6bcb3a836
[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" "509f228e2be0c68de259424254bc1909f99a162b7382ab57872e7ec6bcb3a836", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grep_printer-238bc2c48bf034ba
[INFO] [stdout] 
[INFO] [stdout] running 85 tests
[INFO] [stdout] test standard::tests::byte_offset ... ok
[INFO] [stdout] test json::tests::max_matches ... ok
[INFO] [stdout] test json::tests::binary_detection ... ok
[INFO] [stdout] test json::tests::missing_crlf ... ok
[INFO] [stdout] test json::tests::always_begin_end_no_match ... ok
[INFO] [stdout] test json::tests::no_match ... ok
[INFO] [stdout] test standard::tests::byte_offset_multi_line ... ok
[INFO] [stdout] test standard::tests::heading ... ok
[INFO] [stdout] test standard::tests::context_break ... ok
[INFO] [stdout] test standard::tests::heading_multiple ... ok
[INFO] [stdout] test standard::tests::invert ... ok
[INFO] [stdout] test standard::tests::column_number_multi_line ... ok
[INFO] [stdout] test standard::tests::column_number ... ok
[INFO] [stdout] test standard::tests::max_columns_preview ... ok
[INFO] [stdout] test standard::tests::invert_context ... ok
[INFO] [stdout] test standard::tests::max_columns_multi_line_preview ... ok
[INFO] [stdout] test standard::tests::max_columns_with_count_preview_no_match ... ok
[INFO] [stdout] test standard::tests::invert_context_only_matching_multi_line ... ok
[INFO] [stdout] test standard::tests::max_columns_multi_line ... ok
[INFO] [stdout] test standard::tests::invert_context_multi_line ... ok
[INFO] [stdout] test standard::tests::max_columns ... ok
[INFO] [stdout] test standard::tests::context_break_multiple_heading ... ok
[INFO] [stdout] test standard::tests::invert_context_only_matching ... ok
[INFO] [stdout] test standard::tests::no_heading ... ok
[INFO] [stdout] test standard::tests::max_matches_multi_line1 ... ok
[INFO] [stdout] test standard::tests::max_columns_with_count_preview_two_matches ... ok
[INFO] [stdout] test standard::tests::only_matching_max_columns ... ok
[INFO] [stdout] test standard::tests::max_columns_with_count_preview_one_match ... ok
[INFO] [stdout] test standard::tests::invert_multi_line ... ok
[INFO] [stdout] test standard::tests::line_number ... ok
[INFO] [stdout] test standard::tests::no_heading_multiple ... ok
[INFO] [stdout] test standard::tests::max_matches_context ... ok
[INFO] [stdout] test standard::tests::context_break_multiple_no_heading ... ok
[INFO] [stdout] test standard::tests::only_matching ... ok
[INFO] [stdout] test standard::tests::max_matches ... ok
[INFO] [stdout] test standard::tests::line_number_multi_line ... ok
[INFO] [stdout] test standard::tests::path_terminator ... ok
[INFO] [stdout] test standard::tests::only_matching_max_columns_multi_line1 ... ok
[INFO] [stdout] test standard::tests::max_columns_with_count ... ok
[INFO] [stdout] test standard::tests::only_matching_max_columns_preview ... ok
[INFO] [stdout] test standard::tests::per_match ... ok
[INFO] [stdout] test standard::tests::per_match_multi_line1 ... ok
[INFO] [stdout] test standard::tests::only_matching_multi_line1 ... ok
[INFO] [stdout] test standard::tests::per_match_multi_line3 ... ok
[INFO] [stdout] test standard::tests::only_matching_max_columns_multi_line2 ... ok
[INFO] [stdout] test standard::tests::path ... ok
[INFO] [stdout] test standard::tests::max_matches_multi_line2 ... ok
[INFO] [stdout] test standard::tests::only_matching_max_columns_preview_multi_line2 ... ok
[INFO] [stdout] test standard::tests::per_match_multi_line2 ... ok
[INFO] [stdout] test standard::tests::separator_field ... ok
[INFO] [stdout] test standard::tests::only_matching_max_columns_preview_multi_line1 ... ok
[INFO] [stdout] test standard::tests::replacement_max_columns_preview2 ... ok
[INFO] [stdout] test standard::tests::reports_match ... ok
[INFO] [stdout] test standard::tests::trim_ascii_with_line_term ... ok
[INFO] [stdout] test standard::tests::reports_binary ... ok
[INFO] [stdout] test standard::tests::reports_stats_multiple ... ok
[INFO] [stdout] test standard::tests::reports_stats ... ok
[INFO] [stdout] test summary::tests::count_max_matches ... ok
[INFO] [stdout] test standard::tests::only_matching_multi_line2 ... ok
[INFO] [stdout] test standard::tests::separator_path ... ok
[INFO] [stdout] test summary::tests::count_no_path ... ok
[INFO] [stdout] test standard::tests::trim_ascii ... ok
[INFO] [stdout] test standard::tests::trim_ascii_multi_line ... ok
[INFO] [stdout] test summary::tests::count_path ... ok
[INFO] [stdout] test summary::tests::path_with_match_not_found ... ok
[INFO] [stdout] test summary::tests::count_path_terminator ... ok
[INFO] [stdout] test summary::tests::count_matches ... ok
[INFO] [stdout] test summary::tests::path_with_match_found ... ok
[INFO] [stdout] test summary::tests::path_with_match_error ... ok
[INFO] [stdout] test summary::tests::count_path_separator ... ok
[INFO] [stdout] test summary::tests::count_path_without_zero ... ok
[INFO] [stdout] test summary::tests::path_without_match_not_found ... ok
[INFO] [stdout] test summary::tests::count_path_with_zero ... ok
[INFO] [stdout] test summary::tests::path_without_match_error ... ok
[INFO] [stdout] test summary::tests::count_path_field_separator ... ok
[INFO] [stdout] test summary::tests::quiet ... ok
[INFO] [stdout] test summary::tests::path_without_match_found ... ok
[INFO] [stdout] test summary::tests::quiet_with_stats ... ok
[INFO] [stdout] test summary::tests::count_no_path_even_with_path ... ok
[INFO] [stdout] test standard::tests::replacement_only_matching ... ok
[INFO] [stdout] test standard::tests::replacement_max_columns ... ok
[INFO] [stdout] test standard::tests::replacement_per_match ... ok
[INFO] [stdout] test standard::tests::replacement_passthru ... ok
[INFO] [stderr]    Doc-tests grep-printer
[INFO] [stdout] test standard::tests::replacement_max_columns_preview1 ... ok
[INFO] [stdout] test standard::tests::replacement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 85 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/color.rs - color::UserColorSpec (line 149) ... ok
[INFO] [stdout] test src/lib.rs - (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 `Command { std: "docker" "inspect" "509f228e2be0c68de259424254bc1909f99a162b7382ab57872e7ec6bcb3a836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509f228e2be0c68de259424254bc1909f99a162b7382ab57872e7ec6bcb3a836", kill_on_drop: false }`
[INFO] [stdout] 509f228e2be0c68de259424254bc1909f99a162b7382ab57872e7ec6bcb3a836