[INFO] fetching crate roman_numeral 0.1.0...
[INFO] testing roman_numeral-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate roman_numeral 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate roman_numeral 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roman_numeral 0.1.0
[INFO] finished tweaking crates.io crate roman_numeral 0.1.0
[INFO] tweaked toml for crates.io crate roman_numeral 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73b445e488e79e2a29fc8ecbef93bb560cd67917bf6ea4236835f310eae29add
[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" "73b445e488e79e2a29fc8ecbef93bb560cd67917bf6ea4236835f310eae29add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b445e488e79e2a29fc8ecbef93bb560cd67917bf6ea4236835f310eae29add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b445e488e79e2a29fc8ecbef93bb560cd67917bf6ea4236835f310eae29add", kill_on_drop: false }`
[INFO] [stdout] 73b445e488e79e2a29fc8ecbef93bb560cd67917bf6ea4236835f310eae29add
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50df9cc28884d00e78d95cabbe38206597198d11b02f4eaf01400b9dae0abbfa
[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" "50df9cc28884d00e78d95cabbe38206597198d11b02f4eaf01400b9dae0abbfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numeral v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "50df9cc28884d00e78d95cabbe38206597198d11b02f4eaf01400b9dae0abbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50df9cc28884d00e78d95cabbe38206597198d11b02f4eaf01400b9dae0abbfa", kill_on_drop: false }`
[INFO] [stdout] 50df9cc28884d00e78d95cabbe38206597198d11b02f4eaf01400b9dae0abbfa
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5baeaa126c1555eb5a50bc7cf7ec37d8037ac0e7b7f9d21b59391e572deeb9ae
[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" "5baeaa126c1555eb5a50bc7cf7ec37d8037ac0e7b7f9d21b59391e572deeb9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numeral v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "5baeaa126c1555eb5a50bc7cf7ec37d8037ac0e7b7f9d21b59391e572deeb9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5baeaa126c1555eb5a50bc7cf7ec37d8037ac0e7b7f9d21b59391e572deeb9ae", kill_on_drop: false }`
[INFO] [stdout] 5baeaa126c1555eb5a50bc7cf7ec37d8037ac0e7b7f9d21b59391e572deeb9ae
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9ba9be560b8142c0c94a6ffc272f1cf75000060a854ff0e42eaa5c6f7b4720b
[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" "f9ba9be560b8142c0c94a6ffc272f1cf75000060a854ff0e42eaa5c6f7b4720b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_numeral-329e8f2331dac61f)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/roman_numeral.rs (/opt/rustwide/target/debug/deps/roman_numeral-215e7202e49f9ce4)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::it_should_create_from_roman_numeral_string ... ok
[INFO] [stdout] test tests::it_should_init_from_u32 ... ok
[INFO] [stdout] test tests::it_should_return_max_value ... ok
[INFO] [stdout] test tests::it_should_not_create_from_roman_numeral_string ... ok
[INFO] [stdout] test tests::it_should_not_init_fromu32 ... ok
[INFO] [stdout] test tests::it_should_init_basic_from_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_numeral
[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" "f9ba9be560b8142c0c94a6ffc272f1cf75000060a854ff0e42eaa5c6f7b4720b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ba9be560b8142c0c94a6ffc272f1cf75000060a854ff0e42eaa5c6f7b4720b", kill_on_drop: false }`
[INFO] [stdout] f9ba9be560b8142c0c94a6ffc272f1cf75000060a854ff0e42eaa5c6f7b4720b