[INFO] cloning repository https://github.com/joker-90/rust-roman-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joker-90/rust-roman-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoker-90%2Frust-roman-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoker-90%2Frust-roman-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e26dd43f20fe6213d43d1ea19dbe8ba4e064a76
[INFO] testing joker-90/rust-roman-converter against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoker-90%2Frust-roman-converter" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joker-90/rust-roman-converter on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joker-90/rust-roman-converter
[INFO] finished tweaking git repo https://github.com/joker-90/rust-roman-converter
[INFO] tweaked toml for git repo https://github.com/joker-90/rust-roman-converter written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/joker-90/rust-roman-converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f2affd19c2dcfb1f0349440dfaa485e8067b4064a239707e997a906f8d88fe5
[INFO] running `Command { std: "docker" "start" "-a" "2f2affd19c2dcfb1f0349440dfaa485e8067b4064a239707e997a906f8d88fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2affd19c2dcfb1f0349440dfaa485e8067b4064a239707e997a906f8d88fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2affd19c2dcfb1f0349440dfaa485e8067b4064a239707e997a906f8d88fe5", kill_on_drop: false }`
[INFO] [stdout] 2f2affd19c2dcfb1f0349440dfaa485e8067b4064a239707e997a906f8d88fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28c79e799ed672a57de75d7b5e29c1b2dd1c52e8bab9c0834851661a6a55d768
[INFO] running `Command { std: "docker" "start" "-a" "28c79e799ed672a57de75d7b5e29c1b2dd1c52e8bab9c0834851661a6a55d768", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roman_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "28c79e799ed672a57de75d7b5e29c1b2dd1c52e8bab9c0834851661a6a55d768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c79e799ed672a57de75d7b5e29c1b2dd1c52e8bab9c0834851661a6a55d768", kill_on_drop: false }`
[INFO] [stdout] 28c79e799ed672a57de75d7b5e29c1b2dd1c52e8bab9c0834851661a6a55d768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1dff58e90c74faa2b88e05919faf58c3d298dba54c35725d0a89f48e1f912538
[INFO] running `Command { std: "docker" "start" "-a" "1dff58e90c74faa2b88e05919faf58c3d298dba54c35725d0a89f48e1f912538", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "1dff58e90c74faa2b88e05919faf58c3d298dba54c35725d0a89f48e1f912538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dff58e90c74faa2b88e05919faf58c3d298dba54c35725d0a89f48e1f912538", kill_on_drop: false }`
[INFO] [stdout] 1dff58e90c74faa2b88e05919faf58c3d298dba54c35725d0a89f48e1f912538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcac8fb77c0fb6b927891bc52603ceebc97f02812895b764dd23d6a21e0da877
[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" "fcac8fb77c0fb6b927891bc52603ceebc97f02812895b764dd23d6a21e0da877", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roman_converter-b5bc14de2bfb5569
[INFO] [stdout] running 17 tests
[INFO] [stdout] test roman_number::tests::has_max_1_d ... ok
[INFO] [stdout] test roman_number::tests::test_from_string_cv_to_cv ... ok
[INFO] [stdout] test roman_number::tests::test_convert_int_to_roman_to_int_return_the_same ... ok
[INFO] [stdout] test test::run_int_to_roman_should_return_a_roman_number ... ok
[INFO] [stdout] test roman_number::tests::int_has_9_tens_roman_has_xc ... ok
[INFO] [stdout] test roman_number::tests::has_max_4_x ... ok
[INFO] [stdout] test roman_number::tests::has_max_1_v ... ok
[INFO] [stdout] test test::run_roman_to_int_should_return_a_int ... ok
[INFO] [stdout] test roman_number::tests::has_m_if_upper_to_1000 ... ok
[INFO] [stdout] test roman_number::tests::has_max_3_i ... ok
[INFO] [stdout] test roman_number::tests::int_has_9_hundreds_roman_has_cm ... ok
[INFO] [stdout] test roman_number::tests::int_has_4_tens_roman_has_xl ... ok
[INFO] [stdout] test roman_number::tests::has_max_1_l ... ok
[INFO] [stdout] test roman_number::tests::has_max_4_c ... ok
[INFO] [stdout] test roman_number::tests::int_has_4_hundreds_roman_has_cd ... ok
[INFO] [stdout] test roman_number::tests::int_has_9_ones_roman_has_ix ... ok
[INFO] [stdout] test roman_number::tests::int_has_4_ones_roman_has_iv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roman_converter-2370b25cd1407901
[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_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" "fcac8fb77c0fb6b927891bc52603ceebc97f02812895b764dd23d6a21e0da877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcac8fb77c0fb6b927891bc52603ceebc97f02812895b764dd23d6a21e0da877", kill_on_drop: false }`
[INFO] [stdout] fcac8fb77c0fb6b927891bc52603ceebc97f02812895b764dd23d6a21e0da877