[INFO] cloning repository https://github.com/rwthompsonii/roman_numerals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rwthompsonii/roman_numerals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwthompsonii%2Froman_numerals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwthompsonii%2Froman_numerals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8909d56556b24dd015dfa4a9fd99a068978f35af
[INFO] testing rwthompsonii/roman_numerals 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%2Frwthompsonii%2Froman_numerals" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rwthompsonii/roman_numerals 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] removed /workspace/builds/worker-30/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rwthompsonii/roman_numerals
[INFO] finished tweaking git repo https://github.com/rwthompsonii/roman_numerals
[INFO] tweaked toml for git repo https://github.com/rwthompsonii/roman_numerals written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/rwthompsonii/roman_numerals 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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] e6c89bf77089e0efbf281dee882217ba5ff12cb20cfad504fc962e45cbf8cb83
[INFO] running `Command { std: "docker" "start" "-a" "e6c89bf77089e0efbf281dee882217ba5ff12cb20cfad504fc962e45cbf8cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6c89bf77089e0efbf281dee882217ba5ff12cb20cfad504fc962e45cbf8cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c89bf77089e0efbf281dee882217ba5ff12cb20cfad504fc962e45cbf8cb83", kill_on_drop: false }`
[INFO] [stdout] e6c89bf77089e0efbf281dee882217ba5ff12cb20cfad504fc962e45cbf8cb83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] d41e87a7994781dc912e7c1aaf8e34fb065bed05ecf42f18c57f7025950127f4
[INFO] running `Command { std: "docker" "start" "-a" "d41e87a7994781dc912e7c1aaf8e34fb065bed05ecf42f18c57f7025950127f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "d41e87a7994781dc912e7c1aaf8e34fb065bed05ecf42f18c57f7025950127f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41e87a7994781dc912e7c1aaf8e34fb065bed05ecf42f18c57f7025950127f4", kill_on_drop: false }`
[INFO] [stdout] d41e87a7994781dc912e7c1aaf8e34fb065bed05ecf42f18c57f7025950127f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] dea2395423e26a32d2aca9e3aa5628106418ff3d59c572210f92afbac0bfdcb1
[INFO] running `Command { std: "docker" "start" "-a" "dea2395423e26a32d2aca9e3aa5628106418ff3d59c572210f92afbac0bfdcb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals-b29ba610f55d0241)
[INFO] running `Command { std: "docker" "inspect" "dea2395423e26a32d2aca9e3aa5628106418ff3d59c572210f92afbac0bfdcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea2395423e26a32d2aca9e3aa5628106418ff3d59c572210f92afbac0bfdcb1", kill_on_drop: false }`
[INFO] [stdout] dea2395423e26a32d2aca9e3aa5628106418ff3d59c572210f92afbac0bfdcb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] ad56b7430a62c2bd64ee9ab907a067f60ab89d09c8537138e248fd0015b3994f
[INFO] running `Command { std: "docker" "start" "-a" "ad56b7430a62c2bd64ee9ab907a067f60ab89d09c8537138e248fd0015b3994f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals-b29ba610f55d0241)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::test_cdlvi ... ok
[INFO] [stdout] test test::test_cxxiii ... ok
[INFO] [stdout] test test::test_dclxxviii ... ok
[INFO] [stdout] test test::test_i ... ok
[INFO] [stdout] test test::test_dlv ... ok
[INFO] [stdout] test test::test_iv ... ok
[INFO] [stdout] test test::test_iii ... ok
[INFO] [stdout] test test::test_ix ... ok
[INFO] [stdout] test test::test_lxiv ... ok
[INFO] [stdout] test test::test_lxxxix ... ok
[INFO] [stdout] test test::test_mccxxxiv ... ok
[INFO] [stdout] test test::test_mmccxlv ... ok
[INFO] [stdout] test test::test_mmmi ... ok
[INFO] [stdout] test test::test_mmm ... ok
[INFO] [stdout] test test::test_negative ... ok
[INFO] [stdout] test test::test_v ... ok
[INFO] [stdout] test test::test_viii ... ok
[INFO] [stdout] test test::test_x ... ok
[INFO] [stdout] test test::test_xxxvii ... ok
[INFO] [stdout] test test::test_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_numerals
[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" "ad56b7430a62c2bd64ee9ab907a067f60ab89d09c8537138e248fd0015b3994f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad56b7430a62c2bd64ee9ab907a067f60ab89d09c8537138e248fd0015b3994f", kill_on_drop: false }`
[INFO] [stdout] ad56b7430a62c2bd64ee9ab907a067f60ab89d09c8537138e248fd0015b3994f