[INFO] fetching crate roman-numerals-rs 3.1.0...
[INFO] testing roman-numerals-rs-3.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate roman-numerals-rs 3.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate roman-numerals-rs 3.1.0
[INFO] finished tweaking crates.io crate roman-numerals-rs 3.1.0
[INFO] tweaked toml for crates.io crate roman-numerals-rs 3.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate roman-numerals-rs 3.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate roman-numerals-rs 3.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e890c34b47f287405422e7f3d7d5815cd244c52730940e920346477032713d3
[INFO] running `Command { std: "docker" "start" "-a" "7e890c34b47f287405422e7f3d7d5815cd244c52730940e920346477032713d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e890c34b47f287405422e7f3d7d5815cd244c52730940e920346477032713d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e890c34b47f287405422e7f3d7d5815cd244c52730940e920346477032713d3", kill_on_drop: false }`
[INFO] [stdout] 7e890c34b47f287405422e7f3d7d5815cd244c52730940e920346477032713d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9511bbb1b0600685e7ddb98b231f9d89ac33341210dfa57196ad8dc13409f2c3
[INFO] running `Command { std: "docker" "start" "-a" "9511bbb1b0600685e7ddb98b231f9d89ac33341210dfa57196ad8dc13409f2c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals-rs v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "9511bbb1b0600685e7ddb98b231f9d89ac33341210dfa57196ad8dc13409f2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9511bbb1b0600685e7ddb98b231f9d89ac33341210dfa57196ad8dc13409f2c3", kill_on_drop: false }`
[INFO] [stdout] 9511bbb1b0600685e7ddb98b231f9d89ac33341210dfa57196ad8dc13409f2c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a57683ebbebd00e405f253edd49f334f32d2531f183fd0247ef88cc2eb3e79d
[INFO] running `Command { std: "docker" "start" "-a" "7a57683ebbebd00e405f253edd49f334f32d2531f183fd0247ef88cc2eb3e79d", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals-rs v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "7a57683ebbebd00e405f253edd49f334f32d2531f183fd0247ef88cc2eb3e79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a57683ebbebd00e405f253edd49f334f32d2531f183fd0247ef88cc2eb3e79d", kill_on_drop: false }`
[INFO] [stdout] 7a57683ebbebd00e405f253edd49f334f32d2531f183fd0247ef88cc2eb3e79d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af86a128e0b38d75bbd0ce4fd9a5bccffc5570050f7e93213bf0a5689a559536
[INFO] running `Command { std: "docker" "start" "-a" "af86a128e0b38d75bbd0ce4fd9a5bccffc5570050f7e93213bf0a5689a559536", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals_rs-6f368ac88e75336c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_roman_numeral_new ... ok
[INFO] [stdout] test test::test_try_from_one ... ok
[INFO] [stdout] test test::test_roman_numeral_parse_string ... ok
[INFO] [stdout] test test::test_roman_numeral_to_string ... ok
[INFO] [stdout] test test::test_roman_numeral_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_numerals_rs
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af86a128e0b38d75bbd0ce4fd9a5bccffc5570050f7e93213bf0a5689a559536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af86a128e0b38d75bbd0ce4fd9a5bccffc5570050f7e93213bf0a5689a559536", kill_on_drop: false }`
[INFO] [stdout] af86a128e0b38d75bbd0ce4fd9a5bccffc5570050f7e93213bf0a5689a559536