[INFO] cloning repository https://github.com/Junscuzzy/mini_grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Junscuzzy/mini_grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunscuzzy%2Fmini_grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunscuzzy%2Fmini_grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22e730b02ebb4210ac8b37f0d2ba8ddf018024be
[INFO] testing Junscuzzy/mini_grep against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunscuzzy%2Fmini_grep" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Junscuzzy/mini_grep 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 git repo https://github.com/Junscuzzy/mini_grep
[INFO] finished tweaking git repo https://github.com/Junscuzzy/mini_grep
[INFO] tweaked toml for git repo https://github.com/Junscuzzy/mini_grep written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Junscuzzy/mini_grep 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79ae2d313f8b23f6cec36654d2a5266f763cc7bdf0152d474a27cf07577689ab
[INFO] running `Command { std: "docker" "start" "-a" "79ae2d313f8b23f6cec36654d2a5266f763cc7bdf0152d474a27cf07577689ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79ae2d313f8b23f6cec36654d2a5266f763cc7bdf0152d474a27cf07577689ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ae2d313f8b23f6cec36654d2a5266f763cc7bdf0152d474a27cf07577689ab", kill_on_drop: false }`
[INFO] [stdout] 79ae2d313f8b23f6cec36654d2a5266f763cc7bdf0152d474a27cf07577689ab
[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=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] 891ab3bb1746b65070da28a0e8ed063c8508deaec9a1c6a08ed1a325c08b16b5
[INFO] running `Command { std: "docker" "start" "-a" "891ab3bb1746b65070da28a0e8ed063c8508deaec9a1c6a08ed1a325c08b16b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling hello_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "891ab3bb1746b65070da28a0e8ed063c8508deaec9a1c6a08ed1a325c08b16b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891ab3bb1746b65070da28a0e8ed063c8508deaec9a1c6a08ed1a325c08b16b5", kill_on_drop: false }`
[INFO] [stdout] 891ab3bb1746b65070da28a0e8ed063c8508deaec9a1c6a08ed1a325c08b16b5
[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=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] 24ce00163a15cc54c97f9228050a28682835c986142b9b737ceed31dba333cb2
[INFO] running `Command { std: "docker" "start" "-a" "24ce00163a15cc54c97f9228050a28682835c986142b9b737ceed31dba333cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "24ce00163a15cc54c97f9228050a28682835c986142b9b737ceed31dba333cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ce00163a15cc54c97f9228050a28682835c986142b9b737ceed31dba333cb2", kill_on_drop: false }`
[INFO] [stdout] 24ce00163a15cc54c97f9228050a28682835c986142b9b737ceed31dba333cb2
[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=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] ba3796f4b567e15f753d6aca23c8bbbde9fd6969757876438947fcfc48ce868f
[INFO] running `Command { std: "docker" "start" "-a" "ba3796f4b567e15f753d6aca23c8bbbde9fd6969757876438947fcfc48ce868f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_grep-ac93ac1f511b752b)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test search::tests::search_all_case_sensitive ... ok
[INFO] [stdout] test search::tests::search_all_inverted ... ok
[INFO] [stdout] test search::tests::test_is_matches ... ok
[INFO] [stdout] test search::tests::search_all_case_insensitive ... ok
[INFO] [stdout] test search::tests::test_is_matches_inverted_1 ... ok
[INFO] [stdout] test search::tests::test_is_matches_inverted_2 ... ok
[INFO] [stdout] 13: 	pub fn run(config: CommandLineArgs, mut writer: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout] test search::tests::test_is_matches_line_regexp_2 ... ok
[INFO] [stdout] 128: 	    fn run_should_not_panic() -> Result<(), String> {
[INFO] [stdout] 129: 	        let config = create_test_config("run", true);
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_grep-ffcb704a47406f87)
[INFO] [stdout] test search::tests::test_is_matches_line_regexp_1 ... ok
[INFO] [stderr]    Doc-tests hello_grep
[INFO] [stdout] 130: 	        run(config, &mut stdout()).unwrap();
[INFO] [stdout] test tests::run_should_not_panic ... ok
[INFO] [stdout] test search::tests::test_search_match_with_match ... ok
[INFO] [stdout] test search::tests::test_search_match_without_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba3796f4b567e15f753d6aca23c8bbbde9fd6969757876438947fcfc48ce868f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3796f4b567e15f753d6aca23c8bbbde9fd6969757876438947fcfc48ce868f", kill_on_drop: false }`
[INFO] [stdout] ba3796f4b567e15f753d6aca23c8bbbde9fd6969757876438947fcfc48ce868f