[INFO] fetching crate numerals 0.1.4...
[INFO] testing numerals-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate numerals 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate numerals 0.1.4 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 numerals 0.1.4
[INFO] finished tweaking crates.io crate numerals 0.1.4
[INFO] tweaked toml for crates.io crate numerals 0.1.4 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7e0fd300bb3a23ab3ed5d176a5eed1c5dbf69f07a01f382efdc4b31862d98b11
[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" "7e0fd300bb3a23ab3ed5d176a5eed1c5dbf69f07a01f382efdc4b31862d98b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0fd300bb3a23ab3ed5d176a5eed1c5dbf69f07a01f382efdc4b31862d98b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0fd300bb3a23ab3ed5d176a5eed1c5dbf69f07a01f382efdc4b31862d98b11", kill_on_drop: false }`
[INFO] [stdout] 7e0fd300bb3a23ab3ed5d176a5eed1c5dbf69f07a01f382efdc4b31862d98b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e475ed86e5642a8687f27a57df9bda96ae61e6bda8afe1074810b30fcf702036
[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" "e475ed86e5642a8687f27a57df9bda96ae61e6bda8afe1074810b30fcf702036", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerals v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "e475ed86e5642a8687f27a57df9bda96ae61e6bda8afe1074810b30fcf702036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e475ed86e5642a8687f27a57df9bda96ae61e6bda8afe1074810b30fcf702036", kill_on_drop: false }`
[INFO] [stdout] e475ed86e5642a8687f27a57df9bda96ae61e6bda8afe1074810b30fcf702036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bafd2d77bbb433337800ec5183abcef6c0f3669c10b5c662f1f6990555ea30b
[INFO] running `Command { std: "docker" "start" "-a" "9bafd2d77bbb433337800ec5183abcef6c0f3669c10b5c662f1f6990555ea30b", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerals v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "9bafd2d77bbb433337800ec5183abcef6c0f3669c10b5c662f1f6990555ea30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bafd2d77bbb433337800ec5183abcef6c0f3669c10b5c662f1f6990555ea30b", kill_on_drop: false }`
[INFO] [stdout] 9bafd2d77bbb433337800ec5183abcef6c0f3669c10b5c662f1f6990555ea30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] da0927af8234d543f0640f6d75e8a78b25906f611b77cab4b537b0e2c9d26e54
[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" "da0927af8234d543f0640f6d75e8a78b25906f611b77cab4b537b0e2c9d26e54", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/numerals-7c38ba91949bd841
[INFO] [stdout] running 5 tests
[INFO] [stdout] test roman::test::test_big_numbers ... ok
[INFO] [stdout] test roman::test::value_checked_err_on_large ... ok
[INFO] [stdout] test bt::test::test_many_numbers ... ok
[INFO] [stderr]    Doc-tests numerals
[INFO] [stdout] test roman::test::value_panic_on_large ... ok
[INFO] [stdout] test roman::test::test_many_numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/roman.rs - roman (line 55) ... ok
[INFO] [stdout] test src/roman.rs - roman (line 72) ... ok
[INFO] [stdout] test src/roman.rs - roman (line 23) ... ok
[INFO] [stdout] test src/roman.rs - roman (line 38) ... ok
[INFO] [stdout] test src/roman.rs - roman (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da0927af8234d543f0640f6d75e8a78b25906f611b77cab4b537b0e2c9d26e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0927af8234d543f0640f6d75e8a78b25906f611b77cab4b537b0e2c9d26e54", kill_on_drop: false }`
[INFO] [stdout] da0927af8234d543f0640f6d75e8a78b25906f611b77cab4b537b0e2c9d26e54