[INFO] fetching crate roman-numerals-rs 3.1.0...
[INFO] testing roman-numerals-rs-3.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate roman-numerals-rs 3.1.0 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roman-numerals-rs 3.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ca33387ec3ea4ff7899dfa363affc5aa2d8612da21f7d3f49d25045a13eb6a
[INFO] running `Command { std: "docker" "start" "-a" "83ca33387ec3ea4ff7899dfa363affc5aa2d8612da21f7d3f49d25045a13eb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ca33387ec3ea4ff7899dfa363affc5aa2d8612da21f7d3f49d25045a13eb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ca33387ec3ea4ff7899dfa363affc5aa2d8612da21f7d3f49d25045a13eb6a", kill_on_drop: false }`
[INFO] [stdout] 83ca33387ec3ea4ff7899dfa363affc5aa2d8612da21f7d3f49d25045a13eb6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2594900d44a3709bdc5d8757406d5a6a73f34df70e6e533b291ae18ac2447515
[INFO] running `Command { std: "docker" "start" "-a" "2594900d44a3709bdc5d8757406d5a6a73f34df70e6e533b291ae18ac2447515", 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "2594900d44a3709bdc5d8757406d5a6a73f34df70e6e533b291ae18ac2447515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2594900d44a3709bdc5d8757406d5a6a73f34df70e6e533b291ae18ac2447515", kill_on_drop: false }`
[INFO] [stdout] 2594900d44a3709bdc5d8757406d5a6a73f34df70e6e533b291ae18ac2447515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f0c6ce38d11c60e9733efbe16c28a8b2ffbbf378edc3145abed97997ba6407c
[INFO] running `Command { std: "docker" "start" "-a" "7f0c6ce38d11c60e9733efbe16c28a8b2ffbbf378edc3145abed97997ba6407c", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "7f0c6ce38d11c60e9733efbe16c28a8b2ffbbf378edc3145abed97997ba6407c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0c6ce38d11c60e9733efbe16c28a8b2ffbbf378edc3145abed97997ba6407c", kill_on_drop: false }`
[INFO] [stdout] 7f0c6ce38d11c60e9733efbe16c28a8b2ffbbf378edc3145abed97997ba6407c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 427e486e2e18828e835e96475e0d7e62db6f7a4c06d5f1fb07e35126b51556b7
[INFO] running `Command { std: "docker" "start" "-a" "427e486e2e18828e835e96475e0d7e62db6f7a4c06d5f1fb07e35126b51556b7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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_try_from_one ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test test::test_roman_numeral_new ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals_rs-8b80c09bfe604791)
[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 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "427e486e2e18828e835e96475e0d7e62db6f7a4c06d5f1fb07e35126b51556b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427e486e2e18828e835e96475e0d7e62db6f7a4c06d5f1fb07e35126b51556b7", kill_on_drop: false }`
[INFO] [stdout] 427e486e2e18828e835e96475e0d7e62db6f7a4c06d5f1fb07e35126b51556b7