[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-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianKopp%2Frust-challenge-roman-numerals" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BrianKopp/rust-challenge-roman-numerals 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/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-5/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-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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c0374ce4ca9bbfe7a6ce410c50f829b4fcbf8c10912b86a3cc9a3ceed609d50 [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" "3c0374ce4ca9bbfe7a6ce410c50f829b4fcbf8c10912b86a3cc9a3ceed609d50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c0374ce4ca9bbfe7a6ce410c50f829b4fcbf8c10912b86a3cc9a3ceed609d50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c0374ce4ca9bbfe7a6ce410c50f829b4fcbf8c10912b86a3cc9a3ceed609d50", kill_on_drop: false }` [INFO] [stdout] 3c0374ce4ca9bbfe7a6ce410c50f829b4fcbf8c10912b86a3cc9a3ceed609d50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 13d8aae1a997a6dba172130a79aa087396d877a5096db344b95219f31878b070 [INFO] running `Command { std: "docker" "start" "-a" "13d8aae1a997a6dba172130a79aa087396d877a5096db344b95219f31878b070", 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 1.15s [INFO] running `Command { std: "docker" "inspect" "13d8aae1a997a6dba172130a79aa087396d877a5096db344b95219f31878b070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13d8aae1a997a6dba172130a79aa087396d877a5096db344b95219f31878b070", kill_on_drop: false }` [INFO] [stdout] 13d8aae1a997a6dba172130a79aa087396d877a5096db344b95219f31878b070 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1a6ff28cf93c216bbd8a8aef7fdce5596267d6c0680e3874d1f29010fd06ab8 [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" "d1a6ff28cf93c216bbd8a8aef7fdce5596267d6c0680e3874d1f29010fd06ab8", kill_on_drop: false }` [INFO] [stderr] Compiling easy-roman-numerals v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "d1a6ff28cf93c216bbd8a8aef7fdce5596267d6c0680e3874d1f29010fd06ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1a6ff28cf93c216bbd8a8aef7fdce5596267d6c0680e3874d1f29010fd06ab8", kill_on_drop: false }` [INFO] [stdout] d1a6ff28cf93c216bbd8a8aef7fdce5596267d6c0680e3874d1f29010fd06ab8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 910efec3647aff085525211de5d898f346ec8ed8710c82eb353553f8808fc458 [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" "910efec3647aff085525211de5d898f346ec8ed8710c82eb353553f8808fc458", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/easy_roman_numerals-4661b4f565e37379 [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" "910efec3647aff085525211de5d898f346ec8ed8710c82eb353553f8808fc458", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "910efec3647aff085525211de5d898f346ec8ed8710c82eb353553f8808fc458", kill_on_drop: false }` [INFO] [stdout] 910efec3647aff085525211de5d898f346ec8ed8710c82eb353553f8808fc458