[INFO] cloning repository https://github.com/Twaha-Rahman/microgrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Twaha-Rahman/microgrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8177df957e4bae8ee31103265f41f26fbf1b4b6e
[INFO] testing Twaha-Rahman/microgrep against try#d5830e3d3b571fe52cdf4b7b34be99be74dc65ea+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwaha-Rahman%2Fmicrogrep" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Twaha-Rahman/microgrep on toolchain d5830e3d3b571fe52cdf4b7b34be99be74dc65ea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Twaha-Rahman/microgrep
[INFO] finished tweaking git repo https://github.com/Twaha-Rahman/microgrep
[INFO] tweaked toml for git repo https://github.com/Twaha-Rahman/microgrep written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Twaha-Rahman/microgrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a501975b3faf2cb1ccea1ccc6dc79a769f2679df3ebaa5528539c522c1503925
[INFO] running `Command { std: "docker" "start" "-a" "a501975b3faf2cb1ccea1ccc6dc79a769f2679df3ebaa5528539c522c1503925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a501975b3faf2cb1ccea1ccc6dc79a769f2679df3ebaa5528539c522c1503925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a501975b3faf2cb1ccea1ccc6dc79a769f2679df3ebaa5528539c522c1503925", kill_on_drop: false }`
[INFO] [stdout] a501975b3faf2cb1ccea1ccc6dc79a769f2679df3ebaa5528539c522c1503925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b4e21dda0ab54d2b353896a678eaf319378e8772dd35fc7af0dbabb5242d055a
[INFO] running `Command { std: "docker" "start" "-a" "b4e21dda0ab54d2b353896a678eaf319378e8772dd35fc7af0dbabb5242d055a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling basic_threadpool v0.1.0 (/opt/rustwide/workdir/basic_threadpool)
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling argument_parser v0.1.0 (/opt/rustwide/workdir/argument_parser)
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling recursive_file_check v0.1.0 (/opt/rustwide/workdir/recursive_file_check)
[INFO] [stderr]    Compiling microgrep v0.1.0 (/opt/rustwide/workdir/microgrep)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "b4e21dda0ab54d2b353896a678eaf319378e8772dd35fc7af0dbabb5242d055a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e21dda0ab54d2b353896a678eaf319378e8772dd35fc7af0dbabb5242d055a", kill_on_drop: false }`
[INFO] [stdout] b4e21dda0ab54d2b353896a678eaf319378e8772dd35fc7af0dbabb5242d055a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 73383eb65c91e8c513504115efae4145784130a4273308e29e434bfef0cf13f4
[INFO] running `Command { std: "docker" "start" "-a" "73383eb65c91e8c513504115efae4145784130a4273308e29e434bfef0cf13f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_threadpool v0.1.0 (/opt/rustwide/workdir/basic_threadpool)
[INFO] [stderr]    Compiling argument_parser v0.1.0 (/opt/rustwide/workdir/argument_parser)
[INFO] [stderr]    Compiling recursive_file_check v0.1.0 (/opt/rustwide/workdir/recursive_file_check)
[INFO] [stderr]    Compiling microgrep v0.1.0 (/opt/rustwide/workdir/microgrep)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "73383eb65c91e8c513504115efae4145784130a4273308e29e434bfef0cf13f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73383eb65c91e8c513504115efae4145784130a4273308e29e434bfef0cf13f4", kill_on_drop: false }`
[INFO] [stdout] 73383eb65c91e8c513504115efae4145784130a4273308e29e434bfef0cf13f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d5830e3d3b571fe52cdf4b7b34be99be74dc65ea" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7826d621ddfb9e0541114a21df11e64b382355c900dd2d5fd5ccc4bd0dcb95d6
[INFO] running `Command { std: "docker" "start" "-a" "7826d621ddfb9e0541114a21df11e64b382355c900dd2d5fd5ccc4bd0dcb95d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/argument_parser-f84b2b1adb7e53e3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test collect_flags::tests::collects_multiple_flags ... ok
[INFO] [stdout] test collect_flags::tests::no_flags_passed ... ok
[INFO] [stdout] test collect_flags::tests::collects_single_flag ... ok
[INFO] [stdout] test collect_flags::tests::filter_out_unknown_flags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/basic_threadpool-77b7570d64237723)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/microgrep-9b5ee46d77d8f969)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test time_taken::tests::takes_less_than_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_one_ms ... ok
[INFO] [stdout] test time_taken::tests::takes_more_than_one_ms ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/microgrep-c2e1c25174fc160e)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/recursive_file_check-efe02445ff4cfef5)
[INFO] [stdout] test time_taken::tests::takes_more_than_one_sec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7826d621ddfb9e0541114a21df11e64b382355c900dd2d5fd5ccc4bd0dcb95d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7826d621ddfb9e0541114a21df11e64b382355c900dd2d5fd5ccc4bd0dcb95d6", kill_on_drop: false }`
[INFO] [stdout] 7826d621ddfb9e0541114a21df11e64b382355c900dd2d5fd5ccc4bd0dcb95d6