[INFO] fetching crate miv 0.1.1...
[INFO] testing miv-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate miv 0.1.1 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miv 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef04c1e0a8c2f696f6b31fd3dd83d599ef33b139a3ec73b22e4e374ec97bc21
[INFO] running `Command { std: "docker" "start" "-a" "1ef04c1e0a8c2f696f6b31fd3dd83d599ef33b139a3ec73b22e4e374ec97bc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef04c1e0a8c2f696f6b31fd3dd83d599ef33b139a3ec73b22e4e374ec97bc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef04c1e0a8c2f696f6b31fd3dd83d599ef33b139a3ec73b22e4e374ec97bc21", kill_on_drop: false }`
[INFO] [stdout] 1ef04c1e0a8c2f696f6b31fd3dd83d599ef33b139a3ec73b22e4e374ec97bc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b451c6d709b30dbb5afc325fcd55c17c22b712513a064288664b929cc9d582ee
[INFO] running `Command { std: "docker" "start" "-a" "b451c6d709b30dbb5afc325fcd55c17c22b712513a064288664b929cc9d582ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling miv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b451c6d709b30dbb5afc325fcd55c17c22b712513a064288664b929cc9d582ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b451c6d709b30dbb5afc325fcd55c17c22b712513a064288664b929cc9d582ee", kill_on_drop: false }`
[INFO] [stdout] b451c6d709b30dbb5afc325fcd55c17c22b712513a064288664b929cc9d582ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b038d13eb7344c3cd834cbc08b3421a02604dd256c0677b4466aa5a743dbe34e
[INFO] running `Command { std: "docker" "start" "-a" "b038d13eb7344c3cd834cbc08b3421a02604dd256c0677b4466aa5a743dbe34e", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling miv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "b038d13eb7344c3cd834cbc08b3421a02604dd256c0677b4466aa5a743dbe34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b038d13eb7344c3cd834cbc08b3421a02604dd256c0677b4466aa5a743dbe34e", kill_on_drop: false }`
[INFO] [stdout] b038d13eb7344c3cd834cbc08b3421a02604dd256c0677b4466aa5a743dbe34e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fb86c51d0c0ff70e9cd09b11ff3c64730731e3217a93fe610c2abe29f96d4e7
[INFO] running `Command { std: "docker" "start" "-a" "7fb86c51d0c0ff70e9cd09b11ff3c64730731e3217a93fe610c2abe29f96d4e7", 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-b3346056204b00aa)
[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-428b516672a3627b)
[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 over_three_same_numbers_in_a_row_are_invalid ... ok
[INFO] [stdout] test some_numbers_are_not_allowed_to_come_one_after_the_other ... ok
[INFO] [stdout] test roman_struct_cannot_be_constructed_from_zero ... ok
[INFO] [stdout] test valid_numbers_are_parsed_correctly ... ok
[INFO] [stdout] test the_largest_valid_number_is_3999 ... ok
[INFO] [stdout] test numbers_are_converted_into_valid_roman_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 5) ... ok
[INFO] [stdout] test src/error.rs - error::Error::InvalidSequence (line 20) ... ok
[INFO] [stdout] test src/error.rs - error::Error::TooManyRepetitions (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... 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/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 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fb86c51d0c0ff70e9cd09b11ff3c64730731e3217a93fe610c2abe29f96d4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb86c51d0c0ff70e9cd09b11ff3c64730731e3217a93fe610c2abe29f96d4e7", kill_on_drop: false }`
[INFO] [stdout] 7fb86c51d0c0ff70e9cd09b11ff3c64730731e3217a93fe610c2abe29f96d4e7