[INFO] fetching crate numerals 0.1.4...
[INFO] testing numerals-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate numerals 0.1.4 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate numerals 0.1.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a9510612127fee7ccc115f4fb7cafd57f799390b4878e06d9d36489fac20f1d
[INFO] running `Command { std: "docker" "start" "-a" "2a9510612127fee7ccc115f4fb7cafd57f799390b4878e06d9d36489fac20f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a9510612127fee7ccc115f4fb7cafd57f799390b4878e06d9d36489fac20f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9510612127fee7ccc115f4fb7cafd57f799390b4878e06d9d36489fac20f1d", kill_on_drop: false }`
[INFO] [stdout] 2a9510612127fee7ccc115f4fb7cafd57f799390b4878e06d9d36489fac20f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f727e4cf920902eed735f1b21bfa5efd1b32aa19abac6d730bde2e2cbd25892
[INFO] running `Command { std: "docker" "start" "-a" "2f727e4cf920902eed735f1b21bfa5efd1b32aa19abac6d730bde2e2cbd25892", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerals v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "2f727e4cf920902eed735f1b21bfa5efd1b32aa19abac6d730bde2e2cbd25892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f727e4cf920902eed735f1b21bfa5efd1b32aa19abac6d730bde2e2cbd25892", kill_on_drop: false }`
[INFO] [stdout] 2f727e4cf920902eed735f1b21bfa5efd1b32aa19abac6d730bde2e2cbd25892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 902f70cfa03faea3d1e6f1774c398189321032ecc4e8b4a526fdda80ebed1c9a
[INFO] running `Command { std: "docker" "start" "-a" "902f70cfa03faea3d1e6f1774c398189321032ecc4e8b4a526fdda80ebed1c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling numerals v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "902f70cfa03faea3d1e6f1774c398189321032ecc4e8b4a526fdda80ebed1c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902f70cfa03faea3d1e6f1774c398189321032ecc4e8b4a526fdda80ebed1c9a", kill_on_drop: false }`
[INFO] [stdout] 902f70cfa03faea3d1e6f1774c398189321032ecc4e8b4a526fdda80ebed1c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5e75d4f4ee7431be1075b2bf519b851c330c94cca11615fe6467ee77c9db70c
[INFO] running `Command { std: "docker" "start" "-a" "c5e75d4f4ee7431be1075b2bf519b851c330c94cca11615fe6467ee77c9db70c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/numerals-857e754cba7d9095)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test roman::test::value_checked_err_on_large ... ok
[INFO] [stdout] test roman::test::test_big_numbers ... ok
[INFO] [stdout] test bt::test::test_many_numbers ... ok
[INFO] [stdout] test roman::test::value_panic_on_large - should panic ... 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; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests numerals
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/roman.rs - roman (line 23) ... ok
[INFO] [stdout] test src/roman.rs - roman (line 72) ... ok
[INFO] [stdout] test src/roman.rs - roman (line 55) ... 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; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5e75d4f4ee7431be1075b2bf519b851c330c94cca11615fe6467ee77c9db70c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e75d4f4ee7431be1075b2bf519b851c330c94cca11615fe6467ee77c9db70c", kill_on_drop: false }`
[INFO] [stdout] c5e75d4f4ee7431be1075b2bf519b851c330c94cca11615fe6467ee77c9db70c