[INFO] fetching crate roman_numerals_fn 1.0.0...
[INFO] testing roman_numerals_fn-1.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate roman_numerals_fn 1.0.0 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roman_numerals_fn 1.0.0 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 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1e4d662869d54fe5c7a0bd3b396407427dd73968df4241e0732a8c0451c514db
[INFO] running `Command { std: "docker" "start" "-a" "1e4d662869d54fe5c7a0bd3b396407427dd73968df4241e0732a8c0451c514db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4d662869d54fe5c7a0bd3b396407427dd73968df4241e0732a8c0451c514db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4d662869d54fe5c7a0bd3b396407427dd73968df4241e0732a8c0451c514db", kill_on_drop: false }`
[INFO] [stdout] 1e4d662869d54fe5c7a0bd3b396407427dd73968df4241e0732a8c0451c514db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d23fb7a3538b2b22e4b8eb42c7482042b5220092f43cf86ff0f16294f26ea89e
[INFO] running `Command { std: "docker" "start" "-a" "d23fb7a3538b2b22e4b8eb42c7482042b5220092f43cf86ff0f16294f26ea89e", 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "d23fb7a3538b2b22e4b8eb42c7482042b5220092f43cf86ff0f16294f26ea89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23fb7a3538b2b22e4b8eb42c7482042b5220092f43cf86ff0f16294f26ea89e", kill_on_drop: false }`
[INFO] [stdout] d23fb7a3538b2b22e4b8eb42c7482042b5220092f43cf86ff0f16294f26ea89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 478f4b4c97e059f700cbe513d1dece002eef409b155dad616080c678d76b1a4e
[INFO] running `Command { std: "docker" "start" "-a" "478f4b4c97e059f700cbe513d1dece002eef409b155dad616080c678d76b1a4e", 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 1.01s
[INFO] running `Command { std: "docker" "inspect" "478f4b4c97e059f700cbe513d1dece002eef409b155dad616080c678d76b1a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478f4b4c97e059f700cbe513d1dece002eef409b155dad616080c678d76b1a4e", kill_on_drop: false }`
[INFO] [stdout] 478f4b4c97e059f700cbe513d1dece002eef409b155dad616080c678d76b1a4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a286879ec5c51e2c831143a5f727e672a32e1c3e755ca09c5aca9d97ffac7a0d
[INFO] running `Command { std: "docker" "start" "-a" "a286879ec5c51e2c831143a5f727e672a32e1c3e755ca09c5aca9d97ffac7a0d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/roman_numerals_fn.rs (/opt/rustwide/target/debug/deps/roman_numerals_fn-07399311f21e0ed5)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests roman_numerals_fn
[INFO] [stdout] test tests::test_odered_set ... ok
[INFO] [stdout] test tests::test_out_of_range ... 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 0.02s
[INFO] [stdout] 
[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" "a286879ec5c51e2c831143a5f727e672a32e1c3e755ca09c5aca9d97ffac7a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a286879ec5c51e2c831143a5f727e672a32e1c3e755ca09c5aca9d97ffac7a0d", kill_on_drop: false }`
[INFO] [stdout] a286879ec5c51e2c831143a5f727e672a32e1c3e755ca09c5aca9d97ffac7a0d