[INFO] fetching crate romantic 0.1.2...
[INFO] testing romantic-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate romantic 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate romantic 0.1.2
[INFO] finished tweaking crates.io crate romantic 0.1.2
[INFO] tweaked toml for crates.io crate romantic 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate romantic 0.1.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0584fb3743a645f384251897a1a415a45f3f410d61182f3442d3d64a555ec3ca
[INFO] running `Command { std: "docker" "start" "-a" "0584fb3743a645f384251897a1a415a45f3f410d61182f3442d3d64a555ec3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0584fb3743a645f384251897a1a415a45f3f410d61182f3442d3d64a555ec3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0584fb3743a645f384251897a1a415a45f3f410d61182f3442d3d64a555ec3ca", kill_on_drop: false }`
[INFO] [stdout] 0584fb3743a645f384251897a1a415a45f3f410d61182f3442d3d64a555ec3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c1f3e9c812433760192ac29661518871c79da590af614b87651e9e747b60c5
[INFO] running `Command { std: "docker" "start" "-a" "c2c1f3e9c812433760192ac29661518871c79da590af614b87651e9e747b60c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling romantic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "c2c1f3e9c812433760192ac29661518871c79da590af614b87651e9e747b60c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c1f3e9c812433760192ac29661518871c79da590af614b87651e9e747b60c5", kill_on_drop: false }`
[INFO] [stdout] c2c1f3e9c812433760192ac29661518871c79da590af614b87651e9e747b60c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1811f09f9b91eab7cfeefb2075e43e8b4c9bd52474a568996a1d31db536df4fa
[INFO] running `Command { std: "docker" "start" "-a" "1811f09f9b91eab7cfeefb2075e43e8b4c9bd52474a568996a1d31db536df4fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]    Compiling test-case v3.3.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling romantic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "1811f09f9b91eab7cfeefb2075e43e8b4c9bd52474a568996a1d31db536df4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1811f09f9b91eab7cfeefb2075e43e8b4c9bd52474a568996a1d31db536df4fa", kill_on_drop: false }`
[INFO] [stdout] 1811f09f9b91eab7cfeefb2075e43e8b4c9bd52474a568996a1d31db536df4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d92e8b3bdeb548bfa03d7abcd9491347907e118740878f79c9c029c2f5526a0
[INFO] running `Command { std: "docker" "start" "-a" "2d92e8b3bdeb548bfa03d7abcd9491347907e118740878f79c9c029c2f5526a0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests source/lib.rs (/opt/rustwide/target/debug/deps/romantic-0aeb0aabf638085a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/custom.rs (/opt/rustwide/target/debug/deps/custom-7b0b9be50d8dbe78)
[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] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_from_str::four ... ok
[INFO] [stdout] test test_from_str::nine ... ok
[INFO] [stdout] test test_from_str::five ... ok
[INFO] [stdout] test test_from_str::one ... ok
[INFO] [stdout] test test_from_str::six ... ok
[INFO] [stdout] test test_from_str::seven ... ok
[INFO] [stdout] test test_from_str::ten ... ok
[INFO] [stdout] test test_from_str::three ... ok
[INFO] [stdout] test test_from_str::two ... ok
[INFO] [stdout] test test_to_string::eight ... ok
[INFO] [stdout] test test_from_str::empty ... ok
[INFO] [stdout] test test_to_string::empty ... ok
[INFO] [stdout] test test_to_string::five ... ok
[INFO] [stdout] test test_from_str::eight ... ok
[INFO] [stdout] test test_to_string::four ... ok
[INFO] [stdout] test test_to_string::nine ... ok
[INFO] [stdout] test test_to_string::one ... ok
[INFO] [stdout] test test_to_string::seven ... ok
[INFO] [stdout] test test_to_string::six ... ok
[INFO] [stdout] test test_to_string::ten ... ok
[INFO] [stdout] test test_to_string::three ... ok
[INFO] [stdout] test test_to_string::two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/default.rs (/opt/rustwide/target/debug/deps/default-b19f49679372e6ce)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test test_from_str::complicated ... ok
[INFO] [stdout] test test_from_str::four ... ok
[INFO] [stdout] test test_from_str::five ... ok
[INFO] [stdout] test test_from_str::empty ... ok
[INFO] [stdout] test test_from_str::one ... ok
[INFO] [stdout] test test_from_str::six ... ok
[INFO] [stdout] test test_from_str::maximum ... ok
[INFO] [stdout] test test_from_str::seven ... ok
[INFO] [stdout] test test_from_str::ten ... ok
[INFO] [stdout] test test_from_str::three ... ok
[INFO] [stdout] test test_from_str::nine ... ok
[INFO] [stdout] test test_from_str::two ... ok
[INFO] [stdout] test test_to_string::five ... ok
[INFO] [stdout] test test_to_string::four ... ok
[INFO] [stdout] test test_to_string::maximum ... ok
[INFO] [stdout] test test_to_string::nine ... ok
[INFO] [stdout] test test_to_string::one ... ok
[INFO] [stdout] test test_to_string::seven ... ok
[INFO] [stdout] test test_to_string::ten ... ok
[INFO] [stdout] test test_to_string::six ... ok
[INFO] [stdout] test test_to_string::empty ... ok
[INFO] [stdout] test test_to_string::eight ... ok
[INFO] [stdout] test test_to_string::two ... ok
[INFO] [stdout] test test_to_string::three ... ok
[INFO] [stdout] test test_from_str::eight ... ok
[INFO] [stdout] test test_to_string::all_characters ... ok
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-8d61b295974b2150)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_from_str_error::invalid_character ... ok
[INFO] [stdout] test test_to_string_error::negative ... ok
[INFO] [stdout] test test_to_string_error::too_high ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/readme.rs (/opt/rustwide/target/debug/deps/readme-7ffb51d0086a5fa1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_custom ... ok
[INFO] [stdout] test test_readme_roman ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests romantic
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test source/lib.rs - Roman::from_str (line 141) ... ok
[INFO] [stdout] test source/lib.rs - Roman::to_string (line 196) ... ok
[INFO] [stdout] test source/lib.rs - Roman::new (line 101) ... ok
[INFO] [stdout] test source/lib.rs - (line 22) ... ok
[INFO] [stdout] test source/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d92e8b3bdeb548bfa03d7abcd9491347907e118740878f79c9c029c2f5526a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d92e8b3bdeb548bfa03d7abcd9491347907e118740878f79c9c029c2f5526a0", kill_on_drop: false }`
[INFO] [stdout] 2d92e8b3bdeb548bfa03d7abcd9491347907e118740878f79c9c029c2f5526a0
