[INFO] cloning repository https://github.com/joker-90/rust-roman-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joker-90/rust-roman-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoker-90%2Frust-roman-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoker-90%2Frust-roman-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e26dd43f20fe6213d43d1ea19dbe8ba4e064a76
[INFO] testing joker-90/rust-roman-converter against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoker-90%2Frust-roman-converter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joker-90/rust-roman-converter 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/joker-90/rust-roman-converter
[INFO] finished tweaking git repo https://github.com/joker-90/rust-roman-converter
[INFO] tweaked toml for git repo https://github.com/joker-90/rust-roman-converter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/joker-90/rust-roman-converter 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 16e18b37aab8d429be9de6b6e0d87af9fce40b8928598890fbdded19d39b690b
[INFO] running `Command { std: "docker" "start" "-a" "16e18b37aab8d429be9de6b6e0d87af9fce40b8928598890fbdded19d39b690b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e18b37aab8d429be9de6b6e0d87af9fce40b8928598890fbdded19d39b690b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e18b37aab8d429be9de6b6e0d87af9fce40b8928598890fbdded19d39b690b", kill_on_drop: false }`
[INFO] [stdout] 16e18b37aab8d429be9de6b6e0d87af9fce40b8928598890fbdded19d39b690b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 21bd1d8b5e6e2750534d2e09833b0346660d1b066da1f58928108e0ffa40a7b7
[INFO] running `Command { std: "docker" "start" "-a" "21bd1d8b5e6e2750534d2e09833b0346660d1b066da1f58928108e0ffa40a7b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roman_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "21bd1d8b5e6e2750534d2e09833b0346660d1b066da1f58928108e0ffa40a7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bd1d8b5e6e2750534d2e09833b0346660d1b066da1f58928108e0ffa40a7b7", kill_on_drop: false }`
[INFO] [stdout] 21bd1d8b5e6e2750534d2e09833b0346660d1b066da1f58928108e0ffa40a7b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4f8c88811c32fe0dbae424293c0c4f7d3faf8af797269fb450e743a6a78513be
[INFO] running `Command { std: "docker" "start" "-a" "4f8c88811c32fe0dbae424293c0c4f7d3faf8af797269fb450e743a6a78513be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roman_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "4f8c88811c32fe0dbae424293c0c4f7d3faf8af797269fb450e743a6a78513be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8c88811c32fe0dbae424293c0c4f7d3faf8af797269fb450e743a6a78513be", kill_on_drop: false }`
[INFO] [stdout] 4f8c88811c32fe0dbae424293c0c4f7d3faf8af797269fb450e743a6a78513be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] aa73fd8b7377ee38c8f0d3ae2b8ce3f74255187de90aec8052ad50b5fdeb2ee9
[INFO] running `Command { std: "docker" "start" "-a" "aa73fd8b7377ee38c8f0d3ae2b8ce3f74255187de90aec8052ad50b5fdeb2ee9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_converter-c0272b209e87eeb4)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test roman_number::tests::test_from_string_cv_to_cv ... ok
[INFO] [stdout] test test::run_roman_to_int_should_return_a_int ... ok
[INFO] [stdout] test test::run_int_to_roman_should_return_a_roman_number ... ok
[INFO] [stdout] test roman_number::tests::has_m_if_upper_to_1000 ... ok
[INFO] [stdout] test roman_number::tests::has_max_4_c ... ok
[INFO] [stdout] test roman_number::tests::test_convert_int_to_roman_to_int_return_the_same ... ok
[INFO] [stdout] test roman_number::tests::has_max_3_i ... ok
[INFO] [stdout] test roman_number::tests::int_has_9_hundreds_roman_has_cm ... ok
[INFO] [stdout] test roman_number::tests::has_max_1_d ... ok
[INFO] [stdout] test roman_number::tests::has_max_1_v ... ok
[INFO] [stdout] test roman_number::tests::has_max_1_l ... ok
[INFO] [stdout] test roman_number::tests::int_has_4_ones_roman_has_iv ... ok
[INFO] [stdout] test roman_number::tests::has_max_4_x ... ok
[INFO] [stdout] test roman_number::tests::int_has_9_tens_roman_has_xc ... ok
[INFO] [stdout] test roman_number::tests::int_has_4_hundreds_roman_has_cd ... ok
[INFO] [stdout] test roman_number::tests::int_has_4_tens_roman_has_xl ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_converter-d3bc61c231b431db)
[INFO] [stdout] test roman_number::tests::int_has_9_ones_roman_has_ix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_converter
[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" "aa73fd8b7377ee38c8f0d3ae2b8ce3f74255187de90aec8052ad50b5fdeb2ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa73fd8b7377ee38c8f0d3ae2b8ce3f74255187de90aec8052ad50b5fdeb2ee9", kill_on_drop: false }`
[INFO] [stdout] aa73fd8b7377ee38c8f0d3ae2b8ce3f74255187de90aec8052ad50b5fdeb2ee9