[INFO] fetching crate roman_numerals_fn 1.0.0...
[INFO] testing roman_numerals_fn-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate roman_numerals_fn 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate roman_numerals_fn 1.0.0
[INFO] finished tweaking crates.io crate roman_numerals_fn 1.0.0
[INFO] tweaked toml for crates.io crate roman_numerals_fn 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate roman_numerals_fn 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded range_check v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0839f998122e021e033584824a5ab2aade28d39da6bd3a3244d0d1dc04317490
[INFO] running `Command { std: "docker" "start" "-a" "0839f998122e021e033584824a5ab2aade28d39da6bd3a3244d0d1dc04317490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0839f998122e021e033584824a5ab2aade28d39da6bd3a3244d0d1dc04317490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0839f998122e021e033584824a5ab2aade28d39da6bd3a3244d0d1dc04317490", kill_on_drop: false }`
[INFO] [stdout] 0839f998122e021e033584824a5ab2aade28d39da6bd3a3244d0d1dc04317490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4408df4ac21ec267032c3eed1b0f77b9d112b3368818a217688a8324e86cb372
[INFO] running `Command { std: "docker" "start" "-a" "4408df4ac21ec267032c3eed1b0f77b9d112b3368818a217688a8324e86cb372", kill_on_drop: false }`
[INFO] [stderr]    Compiling range_check v0.2.0
[INFO] [stderr]    Compiling roman_numerals_fn v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4408df4ac21ec267032c3eed1b0f77b9d112b3368818a217688a8324e86cb372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4408df4ac21ec267032c3eed1b0f77b9d112b3368818a217688a8324e86cb372", kill_on_drop: false }`
[INFO] [stdout] 4408df4ac21ec267032c3eed1b0f77b9d112b3368818a217688a8324e86cb372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c2dec1fa8192dc8e4e082f75eb0c89373fdfb2552101d694a0f3923c3c48bd
[INFO] running `Command { std: "docker" "start" "-a" "31c2dec1fa8192dc8e4e082f75eb0c89373fdfb2552101d694a0f3923c3c48bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_numerals_fn v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "31c2dec1fa8192dc8e4e082f75eb0c89373fdfb2552101d694a0f3923c3c48bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c2dec1fa8192dc8e4e082f75eb0c89373fdfb2552101d694a0f3923c3c48bd", kill_on_drop: false }`
[INFO] [stdout] 31c2dec1fa8192dc8e4e082f75eb0c89373fdfb2552101d694a0f3923c3c48bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a29f7eaee06459f6e584aa05fca108fbdd8a49716551cb88ad48f3f33d7497b1
[INFO] running `Command { std: "docker" "start" "-a" "a29f7eaee06459f6e584aa05fca108fbdd8a49716551cb88ad48f3f33d7497b1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/roman_numerals_fn.rs (/opt/rustwide/target/debug/deps/roman_numerals_fn-f1087c36714b3c73)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_out_of_range ... ok
[INFO] [stdout] test tests::test_odered_set ... ok
[INFO] [stdout] test tests::test_last_roman_number ... ok
[INFO] [stdout] test tests::test_random_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_numerals_fn
[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" "a29f7eaee06459f6e584aa05fca108fbdd8a49716551cb88ad48f3f33d7497b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29f7eaee06459f6e584aa05fca108fbdd8a49716551cb88ad48f3f33d7497b1", kill_on_drop: false }`
[INFO] [stdout] a29f7eaee06459f6e584aa05fca108fbdd8a49716551cb88ad48f3f33d7497b1