[INFO] fetching crate miv 0.1.1...
[INFO] testing miv-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate miv 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate miv 0.1.1
[INFO] finished tweaking crates.io crate miv 0.1.1
[INFO] tweaked toml for crates.io crate miv 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miv 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f1e2c110b09447f8d92aed21dfff7ca31565f8d39b59f8ac39a39b54f5d3a17
[INFO] running `Command { std: "docker" "start" "-a" "1f1e2c110b09447f8d92aed21dfff7ca31565f8d39b59f8ac39a39b54f5d3a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f1e2c110b09447f8d92aed21dfff7ca31565f8d39b59f8ac39a39b54f5d3a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1e2c110b09447f8d92aed21dfff7ca31565f8d39b59f8ac39a39b54f5d3a17", kill_on_drop: false }`
[INFO] [stdout] 1f1e2c110b09447f8d92aed21dfff7ca31565f8d39b59f8ac39a39b54f5d3a17
[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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30cceb90c201b6847fc1cad4c9c570ad79de3e9e2e9eb4b451019faf01d0e0c5
[INFO] running `Command { std: "docker" "start" "-a" "30cceb90c201b6847fc1cad4c9c570ad79de3e9e2e9eb4b451019faf01d0e0c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling miv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "30cceb90c201b6847fc1cad4c9c570ad79de3e9e2e9eb4b451019faf01d0e0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cceb90c201b6847fc1cad4c9c570ad79de3e9e2e9eb4b451019faf01d0e0c5", kill_on_drop: false }`
[INFO] [stdout] 30cceb90c201b6847fc1cad4c9c570ad79de3e9e2e9eb4b451019faf01d0e0c5
[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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248fc7eec4c356d39e404f5ba1985b239660c7c29a053f2b6d904e585c6da4a1
[INFO] running `Command { std: "docker" "start" "-a" "248fc7eec4c356d39e404f5ba1985b239660c7c29a053f2b6d904e585c6da4a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling miv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "248fc7eec4c356d39e404f5ba1985b239660c7c29a053f2b6d904e585c6da4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248fc7eec4c356d39e404f5ba1985b239660c7c29a053f2b6d904e585c6da4a1", kill_on_drop: false }`
[INFO] [stdout] 248fc7eec4c356d39e404f5ba1985b239660c7c29a053f2b6d904e585c6da4a1
[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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3fd6aa9d94251a08e79f6dd272612fe871af1cfbc11d5e396f78873cc094779
[INFO] running `Command { std: "docker" "start" "-a" "d3fd6aa9d94251a08e79f6dd272612fe871af1cfbc11d5e396f78873cc094779", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/miv-54f66eadf2f2533c)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-f52d36efaf096401)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test non_roman_strings_are_invalid ... ok
[INFO] [stdout] test smaller_numbers_cannot_precede_larger_ones ... ok
[INFO] [stdout] test some_numbers_are_not_allowed_to_come_one_after_the_other ... ok
[INFO] [stdout] test over_three_same_numbers_in_a_row_are_invalid ... ok
[INFO] [stdout] test the_largest_valid_number_is_3999 ... ok
[INFO] [stdout] test numbers_are_converted_into_valid_roman_strings ... ok
[INFO] [stdout] test roman_struct_cannot_be_constructed_from_zero ... ok
[INFO] [stdout] test valid_numbers_are_parsed_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests miv
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/error.rs - error::Error::NumberTooLarge (line 64) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/error.rs - error::Error::InvalidSequence (line 20) ... ok
[INFO] [stdout] test src/error.rs - error::Error::InvalidCharacter (line 31) ... ok
[INFO] [stdout] test src/error.rs - error::Error::NumberZero (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/error.rs - error::Error::TooManyRepetitions (line 42) ... ok
[INFO] [stdout] test src/error.rs - error::Error::EmptyString (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3fd6aa9d94251a08e79f6dd272612fe871af1cfbc11d5e396f78873cc094779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fd6aa9d94251a08e79f6dd272612fe871af1cfbc11d5e396f78873cc094779", kill_on_drop: false }`
[INFO] [stdout] d3fd6aa9d94251a08e79f6dd272612fe871af1cfbc11d5e396f78873cc094779