[INFO] cloning repository https://github.com/shdblowers/roman_numerals_kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shdblowers/roman_numerals_kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Froman_numerals_kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Froman_numerals_kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2fc9416a55d8c2d706c9a2407eb9db3c32d48ce
[INFO] testing shdblowers/roman_numerals_kata against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Froman_numerals_kata" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shdblowers/roman_numerals_kata on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shdblowers/roman_numerals_kata
[INFO] finished tweaking git repo https://github.com/shdblowers/roman_numerals_kata
[INFO] tweaked toml for git repo https://github.com/shdblowers/roman_numerals_kata written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/shdblowers/roman_numerals_kata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f3171c5acd198bd3f3a0a0472e5ba2fb5c68eac510b37afdc835bc382ec22f9
[INFO] running `Command { std: "docker" "start" "-a" "8f3171c5acd198bd3f3a0a0472e5ba2fb5c68eac510b37afdc835bc382ec22f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f3171c5acd198bd3f3a0a0472e5ba2fb5c68eac510b37afdc835bc382ec22f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3171c5acd198bd3f3a0a0472e5ba2fb5c68eac510b37afdc835bc382ec22f9", kill_on_drop: false }`
[INFO] [stdout] 8f3171c5acd198bd3f3a0a0472e5ba2fb5c68eac510b37afdc835bc382ec22f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93ef86e463b24dada27c96f7b94a9f6434759e6b58f4ae30c8c30b0877b6b45
[INFO] running `Command { std: "docker" "start" "-a" "d93ef86e463b24dada27c96f7b94a9f6434759e6b58f4ae30c8c30b0877b6b45", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "d93ef86e463b24dada27c96f7b94a9f6434759e6b58f4ae30c8c30b0877b6b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93ef86e463b24dada27c96f7b94a9f6434759e6b58f4ae30c8c30b0877b6b45", kill_on_drop: false }`
[INFO] [stdout] d93ef86e463b24dada27c96f7b94a9f6434759e6b58f4ae30c8c30b0877b6b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57ce5f9d238d85766adb14997d8b383e6ca3717e34ec0c1b9b6280c7c040898
[INFO] running `Command { std: "docker" "start" "-a" "c57ce5f9d238d85766adb14997d8b383e6ca3717e34ec0c1b9b6280c7c040898", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals_kata-d9d8a780c8b09ebb)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/roman_numerals_kata-ff69a9aad637ca5b)
[INFO] running `Command { std: "docker" "inspect" "c57ce5f9d238d85766adb14997d8b383e6ca3717e34ec0c1b9b6280c7c040898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57ce5f9d238d85766adb14997d8b383e6ca3717e34ec0c1b9b6280c7c040898", kill_on_drop: false }`
[INFO] [stdout] c57ce5f9d238d85766adb14997d8b383e6ca3717e34ec0c1b9b6280c7c040898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf151715828e8afed90835f09bc7cd0a848de33dc0769330064409eca5f3f877
[INFO] running `Command { std: "docker" "start" "-a" "bf151715828e8afed90835f09bc7cd0a848de33dc0769330064409eca5f3f877", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals_kata-d9d8a780c8b09ebb)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/roman_numerals_kata-ff69a9aad637ca5b)
[INFO] [stdout] test encoder::tests::encode_fives ... ok
[INFO] [stdout] test encoder::tests::encode_fours ... ok
[INFO] [stdout] test encoder::tests::encode_multiples ... ok
[INFO] [stdout] test encoder::tests::encode_nines ... ok
[INFO] [stdout] test encoder::tests::encode_singles ... ok
[INFO] [stdout] test tests::parse_converts_command_line_args_to_single_number ... ok
[INFO] [stdout] test tests::parse_errors_if_provided_with_too_few_arguments ... ok
[INFO] [stdout] test tests::parse_errors_if_provided_with_too_many_arguments ... ok
[INFO] [stdout] test tests::parse_errors_when_its_not_given_a_number ... ok
[INFO] [stdout] test tests::parse_errors_when_number_too_large ... ok
[INFO] [stdout] test tests::parse_errors_when_number_too_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 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] [stderr]    Doc-tests roman_numerals_kata
[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" "bf151715828e8afed90835f09bc7cd0a848de33dc0769330064409eca5f3f877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf151715828e8afed90835f09bc7cd0a848de33dc0769330064409eca5f3f877", kill_on_drop: false }`
[INFO] [stdout] bf151715828e8afed90835f09bc7cd0a848de33dc0769330064409eca5f3f877