[INFO] fetching crate roman_numerals_converter 0.1.0...
[INFO] testing roman_numerals_converter-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate roman_numerals_converter 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate roman_numerals_converter 0.1.0 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 crates.io crate roman_numerals_converter 0.1.0
[INFO] finished tweaking crates.io crate roman_numerals_converter 0.1.0
[INFO] tweaked toml for crates.io crate roman_numerals_converter 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] de94a7d1bc9451089c39389f193eb9fa2c46a66e852e29537b0bb38ca3d49073
[INFO] running `Command { std: "docker" "start" "-a" "de94a7d1bc9451089c39389f193eb9fa2c46a66e852e29537b0bb38ca3d49073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de94a7d1bc9451089c39389f193eb9fa2c46a66e852e29537b0bb38ca3d49073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de94a7d1bc9451089c39389f193eb9fa2c46a66e852e29537b0bb38ca3d49073", kill_on_drop: false }`
[INFO] [stdout] de94a7d1bc9451089c39389f193eb9fa2c46a66e852e29537b0bb38ca3d49073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d3e5f785857bb0d1379338e584b891e2b221c2e41f222c04ab2c8d9d00f1dc2f
[INFO] running `Command { std: "docker" "start" "-a" "d3e5f785857bb0d1379338e584b891e2b221c2e41f222c04ab2c8d9d00f1dc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "d3e5f785857bb0d1379338e584b891e2b221c2e41f222c04ab2c8d9d00f1dc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e5f785857bb0d1379338e584b891e2b221c2e41f222c04ab2c8d9d00f1dc2f", kill_on_drop: false }`
[INFO] [stdout] d3e5f785857bb0d1379338e584b891e2b221c2e41f222c04ab2c8d9d00f1dc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f1a12e52670027c7c6ae2c39bfdb49e8af417354b96ebf3038ec69fdeeec9b2a
[INFO] running `Command { std: "docker" "start" "-a" "f1a12e52670027c7c6ae2c39bfdb49e8af417354b96ebf3038ec69fdeeec9b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals_converter-13f827c95ef8ae0f)
[INFO] running `Command { std: "docker" "inspect" "f1a12e52670027c7c6ae2c39bfdb49e8af417354b96ebf3038ec69fdeeec9b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a12e52670027c7c6ae2c39bfdb49e8af417354b96ebf3038ec69fdeeec9b2a", kill_on_drop: false }`
[INFO] [stdout] f1a12e52670027c7c6ae2c39bfdb49e8af417354b96ebf3038ec69fdeeec9b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6c771fd313cdcb0b1e3ea223ea6c8dc56812899144a2cc9ee57e0affa4dc672f
[INFO] running `Command { std: "docker" "start" "-a" "6c771fd313cdcb0b1e3ea223ea6c8dc56812899144a2cc9ee57e0affa4dc672f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals_converter-13f827c95ef8ae0f)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test arabic_converter::tests::test_can_convert_roman_numeral_to_integer ... ok
[INFO] [stdout] test arabic_converter::tests::test_can_normalize_empty_array ... ok
[INFO] [stdout] test arabic_converter::tests::test_can_normalize_multiple_elements_array ... ok
[INFO] [stdout] test arabic_converter::tests::test_can_normalize_one_element_array ... ok
[INFO] [stdout] test arabic_converter::tests::test_invalid_symbol_will_return_error ... ok
[INFO] [stdout] test arabic_converter::tests::test_negative_get_symbol ... ok
[INFO] [stdout] test arabic_converter::tests::test_positive_get_symbol ... ok
[INFO] [stdout] test roman_converter::tests::test_can_convert_2019 ... ok
[INFO] [stdout] test roman_converter::tests::test_can_convert_3999 ... ok
[INFO] [stdout] test roman_converter::tests::test_can_convert_one ... ok
[INFO] [stdout] test roman_converter::tests::test_can_convert_zeros ... ok
[INFO] [stdout] test roman_converter::tests::test_should_fail_over_3999 ... ok
[INFO] [stdout] test tests::test_conversion_to_arabic_1939 ... ok
[INFO] [stdout] test tests::test_conversion_to_roman_1939 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_numerals_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] running `Command { std: "docker" "inspect" "6c771fd313cdcb0b1e3ea223ea6c8dc56812899144a2cc9ee57e0affa4dc672f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c771fd313cdcb0b1e3ea223ea6c8dc56812899144a2cc9ee57e0affa4dc672f", kill_on_drop: false }`
[INFO] [stdout] 6c771fd313cdcb0b1e3ea223ea6c8dc56812899144a2cc9ee57e0affa4dc672f