[INFO] cloning repository https://github.com/Ecnavda/roman_numerals_encoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ecnavda/roman_numerals_encoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Froman_numerals_encoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Froman_numerals_encoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 993fde9ee003e2b54a0a9b05a639ca5c07098820
[INFO] checking Ecnavda/roman_numerals_encoder against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Froman_numerals_encoder" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ecnavda/roman_numerals_encoder on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ecnavda/roman_numerals_encoder
[INFO] finished tweaking git repo https://github.com/Ecnavda/roman_numerals_encoder
[INFO] tweaked toml for git repo https://github.com/Ecnavda/roman_numerals_encoder written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Ecnavda/roman_numerals_encoder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b16fc9c637f0f27b3fe38d40e42c3f2007bbb95213111a1b9c8c658eaa53ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28b16fc9c637f0f27b3fe38d40e42c3f2007bbb95213111a1b9c8c658eaa53ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b16fc9c637f0f27b3fe38d40e42c3f2007bbb95213111a1b9c8c658eaa53ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b16fc9c637f0f27b3fe38d40e42c3f2007bbb95213111a1b9c8c658eaa53ac", kill_on_drop: false }`
[INFO] [stdout] 28b16fc9c637f0f27b3fe38d40e42c3f2007bbb95213111a1b9c8c658eaa53ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecde990963e81147436d0c383c8aaefa9b74e8967b459ea39be99622b6c64bfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ecde990963e81147436d0c383c8aaefa9b74e8967b459ea39be99622b6c64bfb", kill_on_drop: false }`
[INFO] [stderr]     Checking roman_numerals_encoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "ecde990963e81147436d0c383c8aaefa9b74e8967b459ea39be99622b6c64bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecde990963e81147436d0c383c8aaefa9b74e8967b459ea39be99622b6c64bfb", kill_on_drop: false }`
[INFO] [stdout] ecde990963e81147436d0c383c8aaefa9b74e8967b459ea39be99622b6c64bfb