[INFO] fetching crate xvii 0.4.1...
[INFO] testing xvii-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xvii 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xvii 0.4.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xvii 0.4.1
[INFO] finished tweaking crates.io crate xvii 0.4.1
[INFO] tweaked toml for crates.io crate xvii 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2884cae0d55565f385926093f0ee13f312eba59b978da14328ce1a44ca2fefce
[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" "2884cae0d55565f385926093f0ee13f312eba59b978da14328ce1a44ca2fefce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2884cae0d55565f385926093f0ee13f312eba59b978da14328ce1a44ca2fefce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2884cae0d55565f385926093f0ee13f312eba59b978da14328ce1a44ca2fefce", kill_on_drop: false }`
[INFO] [stdout] 2884cae0d55565f385926093f0ee13f312eba59b978da14328ce1a44ca2fefce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fefff5df225a06661fb1696d17b9dd311e3095df6006585b49efef40a34d3d5e
[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" "fefff5df225a06661fb1696d17b9dd311e3095df6006585b49efef40a34d3d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xvii v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fefff5df225a06661fb1696d17b9dd311e3095df6006585b49efef40a34d3d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefff5df225a06661fb1696d17b9dd311e3095df6006585b49efef40a34d3d5e", kill_on_drop: false }`
[INFO] [stdout] fefff5df225a06661fb1696d17b9dd311e3095df6006585b49efef40a34d3d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0b708beffa944d8736e00e6e6aac09a891f4b53f1967e82317a7c353401df2
[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" "bc0b708beffa944d8736e00e6e6aac09a891f4b53f1967e82317a7c353401df2", kill_on_drop: false }`
[INFO] [stderr]    Compiling xvii v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "bc0b708beffa944d8736e00e6e6aac09a891f4b53f1967e82317a7c353401df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0b708beffa944d8736e00e6e6aac09a891f4b53f1967e82317a7c353401df2", kill_on_drop: false }`
[INFO] [stdout] bc0b708beffa944d8736e00e6e6aac09a891f4b53f1967e82317a7c353401df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71ee9d9a7f8b2b7c82b4a8a4e4fc72c961f8e7ae11eb094b38648e883ba52e13
[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" "71ee9d9a7f8b2b7c82b4a8a4e4fc72c961f8e7ae11eb094b38648e883ba52e13", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xvii-feb2fb2e47007ab7
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test roman::tests::max_value_equals_4999 ... ok
[INFO] [stdout] test roman::tests::mcmlxxxiv_equals_1984 ... ok
[INFO] [stdout] test roman::tests::mmmcmxcix_value_equals_3999 ... ok
[INFO] [stdout] test roman::tests::mmmmcmxcix_parses_as_4999 ... ok
[INFO] [stdout] test unit::tests::i_equals_sequence_1 ... ok
[INFO] [stdout] test unit::tests::to_digit_works ... ok
[INFO] [stdout] test roman::tests::mmdxxix_equals_2529 ... ok
[INFO] [stdout] test roman::tests::mmcmxcix_equals_2999 ... ok
[INFO] [stdout] test roman::tests::overflow ... ok
[INFO] [stdout] test unit::tests::i_equals_1 ... ok
[INFO] [stderr]    Doc-tests xvii
[INFO] [stdout] test unit::tests::iiiiix_equals_5 ... ok
[INFO] [stdout] test unit::tests::ix_equals_9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/roman.rs - roman::Roman::to_uppercase (line 34) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::value (line 100) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::format (line 82) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::to_lowercase (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/roman.rs - roman::Roman::into_inner (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71ee9d9a7f8b2b7c82b4a8a4e4fc72c961f8e7ae11eb094b38648e883ba52e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ee9d9a7f8b2b7c82b4a8a4e4fc72c961f8e7ae11eb094b38648e883ba52e13", kill_on_drop: false }`
[INFO] [stdout] 71ee9d9a7f8b2b7c82b4a8a4e4fc72c961f8e7ae11eb094b38648e883ba52e13