[INFO] cloning repository https://github.com/BrianKopp/rust-challenge-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/BrianKopp/rust-challenge-roman-numerals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianKopp%2Frust-challenge-roman-numerals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianKopp%2Frust-challenge-roman-numerals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebd4e61da7c1d8289b201e2aa9150de8d7d87832
[INFO] testing BrianKopp/rust-challenge-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%2FBrianKopp%2Frust-challenge-roman-numerals" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrianKopp/rust-challenge-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] started tweaking git repo https://github.com/BrianKopp/rust-challenge-roman-numerals
[INFO] finished tweaking git repo https://github.com/BrianKopp/rust-challenge-roman-numerals
[INFO] tweaked toml for git repo https://github.com/BrianKopp/rust-challenge-roman-numerals written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrianKopp/rust-challenge-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 70feee1669760919eb0b670d84f6d7dc04fec3bb385863134d8da72e17095936
[INFO] running `Command { std: "docker" "start" "-a" "70feee1669760919eb0b670d84f6d7dc04fec3bb385863134d8da72e17095936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70feee1669760919eb0b670d84f6d7dc04fec3bb385863134d8da72e17095936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70feee1669760919eb0b670d84f6d7dc04fec3bb385863134d8da72e17095936", kill_on_drop: false }`
[INFO] [stdout] 70feee1669760919eb0b670d84f6d7dc04fec3bb385863134d8da72e17095936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4d832f21eb0d6e615ed5d5f95b0da3bc8857d5d20556ba097419aff29cd9b789
[INFO] running `Command { std: "docker" "start" "-a" "4d832f21eb0d6e615ed5d5f95b0da3bc8857d5d20556ba097419aff29cd9b789", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "4d832f21eb0d6e615ed5d5f95b0da3bc8857d5d20556ba097419aff29cd9b789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d832f21eb0d6e615ed5d5f95b0da3bc8857d5d20556ba097419aff29cd9b789", kill_on_drop: false }`
[INFO] [stdout] 4d832f21eb0d6e615ed5d5f95b0da3bc8857d5d20556ba097419aff29cd9b789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] cdc09781a892b624e01be95c243e40f610aad7e9a0d1b72a57aae790ef0dca47
[INFO] running `Command { std: "docker" "start" "-a" "cdc09781a892b624e01be95c243e40f610aad7e9a0d1b72a57aae790ef0dca47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling easy-roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/easy_roman_numerals-71f0add3ed859d3d)
[INFO] running `Command { std: "docker" "inspect" "cdc09781a892b624e01be95c243e40f610aad7e9a0d1b72a57aae790ef0dca47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc09781a892b624e01be95c243e40f610aad7e9a0d1b72a57aae790ef0dca47", kill_on_drop: false }`
[INFO] [stdout] cdc09781a892b624e01be95c243e40f610aad7e9a0d1b72a57aae790ef0dca47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7a84d7858dd8b660a68d44568f1848b70a8afc9758a3fe6764b4225d6e86a420
[INFO] running `Command { std: "docker" "start" "-a" "7a84d7858dd8b660a68d44568f1848b70a8afc9758a3fe6764b4225d6e86a420", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/easy_roman_numerals-71f0add3ed859d3d)
[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" "7a84d7858dd8b660a68d44568f1848b70a8afc9758a3fe6764b4225d6e86a420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a84d7858dd8b660a68d44568f1848b70a8afc9758a3fe6764b4225d6e86a420", kill_on_drop: false }`
[INFO] [stdout] 7a84d7858dd8b660a68d44568f1848b70a8afc9758a3fe6764b4225d6e86a420