[INFO] cloning repository https://github.com/shdblowers/roman_numerals_kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shdblowers/roman_numerals_kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Froman_numerals_kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Froman_numerals_kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2fc9416a55d8c2d706c9a2407eb9db3c32d48ce
[INFO] testing shdblowers/roman_numerals_kata against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshdblowers%2Froman_numerals_kata" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shdblowers/roman_numerals_kata on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shdblowers/roman_numerals_kata
[INFO] finished tweaking git repo https://github.com/shdblowers/roman_numerals_kata
[INFO] tweaked toml for git repo https://github.com/shdblowers/roman_numerals_kata written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/shdblowers/roman_numerals_kata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc926c5fcb7682ba8024fa0184fd5c3bc6b73546f1256db0437b8993d99ca2b4
[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" "fc926c5fcb7682ba8024fa0184fd5c3bc6b73546f1256db0437b8993d99ca2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc926c5fcb7682ba8024fa0184fd5c3bc6b73546f1256db0437b8993d99ca2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc926c5fcb7682ba8024fa0184fd5c3bc6b73546f1256db0437b8993d99ca2b4", kill_on_drop: false }`
[INFO] [stdout] fc926c5fcb7682ba8024fa0184fd5c3bc6b73546f1256db0437b8993d99ca2b4
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 502031f2c4ae63e387ea928a68c8a03030d971d59813b074b790f9f1cbf13bb2
[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" "502031f2c4ae63e387ea928a68c8a03030d971d59813b074b790f9f1cbf13bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "502031f2c4ae63e387ea928a68c8a03030d971d59813b074b790f9f1cbf13bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502031f2c4ae63e387ea928a68c8a03030d971d59813b074b790f9f1cbf13bb2", kill_on_drop: false }`
[INFO] [stdout] 502031f2c4ae63e387ea928a68c8a03030d971d59813b074b790f9f1cbf13bb2
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 006576fbe19ca62709ef9e3921408ce78940119dac20ebf648fe6fbe81d4669f
[INFO] running `Command { std: "docker" "start" "-a" "006576fbe19ca62709ef9e3921408ce78940119dac20ebf648fe6fbe81d4669f", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "006576fbe19ca62709ef9e3921408ce78940119dac20ebf648fe6fbe81d4669f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006576fbe19ca62709ef9e3921408ce78940119dac20ebf648fe6fbe81d4669f", kill_on_drop: false }`
[INFO] [stdout] 006576fbe19ca62709ef9e3921408ce78940119dac20ebf648fe6fbe81d4669f
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] 5966af97f9dea56f7ddef270cb5b452b52c7921a77b011715e84eb44a7f5372f
[INFO] running `Command { std: "docker" "start" "-a" "5966af97f9dea56f7ddef270cb5b452b52c7921a77b011715e84eb44a7f5372f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_numerals_kata-47b44e17706d6526)
[INFO] [stdout] test encoder::tests::encode_fives ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_numerals_kata-1a103561f72dc2b8)
[INFO] [stdout] test encoder::tests::encode_nines ... ok
[INFO] [stdout] test encoder::tests::encode_multiples ... ok
[INFO] [stdout] test encoder::tests::encode_singles ... ok
[INFO] [stdout] test encoder::tests::encode_fours ... ok
[INFO] [stdout] test tests::parse_errors_when_its_not_given_a_number ... ok
[INFO] [stdout] test tests::parse_errors_if_provided_with_too_few_arguments ... ok
[INFO] [stdout] test tests::parse_converts_command_line_args_to_single_number ... ok
[INFO] [stdout] test tests::parse_errors_when_number_too_small ... ok
[INFO] [stdout] test tests::parse_errors_when_number_too_large ... ok
[INFO] [stdout] test tests::parse_errors_if_provided_with_too_many_arguments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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_numerals_kata
[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" "5966af97f9dea56f7ddef270cb5b452b52c7921a77b011715e84eb44a7f5372f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5966af97f9dea56f7ddef270cb5b452b52c7921a77b011715e84eb44a7f5372f", kill_on_drop: false }`
[INFO] [stdout] 5966af97f9dea56f7ddef270cb5b452b52c7921a77b011715e84eb44a7f5372f