[INFO] fetching crate nil-num 0.4.22...
[INFO] testing nil-num-0.4.22 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate nil-num 0.4.22 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate nil-num 0.4.22
[INFO] finished tweaking crates.io crate nil-num 0.4.22
[INFO] tweaked toml for crates.io crate nil-num 0.4.22 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nil-num 0.4.22 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] crate crates.io crate nil-num 0.4.22 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e0ffd1acfda4690f3f7f89485fea3df39b30ce4206909ec8303d218d90cb6360
[INFO] running `Command { std: "docker" "start" "-a" "e0ffd1acfda4690f3f7f89485fea3df39b30ce4206909ec8303d218d90cb6360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0ffd1acfda4690f3f7f89485fea3df39b30ce4206909ec8303d218d90cb6360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ffd1acfda4690f3f7f89485fea3df39b30ce4206909ec8303d218d90cb6360", kill_on_drop: false }`
[INFO] [stdout] e0ffd1acfda4690f3f7f89485fea3df39b30ce4206909ec8303d218d90cb6360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a875af07c40cb0c964006d19c07a7d334075394502827734915bb4eb799c3bee
[INFO] running `Command { std: "docker" "start" "-a" "a875af07c40cb0c964006d19c07a7d334075394502827734915bb4eb799c3bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling nil-num-macros v0.4.22
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling bon-macros v3.9.1
[INFO] [stderr]    Compiling strum v0.28.0
[INFO] [stderr]    Compiling bon v3.9.1
[INFO] [stderr]    Compiling nil-num v0.4.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.15s
[INFO] running `Command { std: "docker" "inspect" "a875af07c40cb0c964006d19c07a7d334075394502827734915bb4eb799c3bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a875af07c40cb0c964006d19c07a7d334075394502827734915bb4eb799c3bee", kill_on_drop: false }`
[INFO] [stdout] a875af07c40cb0c964006d19c07a7d334075394502827734915bb4eb799c3bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4a6af353c42b01b79b91cf15365ee61bf4a3c053a58a58be74df8d68b084e07f
[INFO] running `Command { std: "docker" "start" "-a" "4a6af353c42b01b79b91cf15365ee61bf4a3c053a58a58be74df8d68b084e07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nil-num v0.4.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4a6af353c42b01b79b91cf15365ee61bf4a3c053a58a58be74df8d68b084e07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6af353c42b01b79b91cf15365ee61bf4a3c053a58a58be74df8d68b084e07f", kill_on_drop: false }`
[INFO] [stdout] 4a6af353c42b01b79b91cf15365ee61bf4a3c053a58a58be74df8d68b084e07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bc9e7651f1c366c8ddf8beb40af311b76380a69e5028867b0559293f4df82574
[INFO] running `Command { std: "docker" "start" "-a" "bc9e7651f1c366c8ddf8beb40af311b76380a69e5028867b0559293f4df82574", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nil_num-36e5c09338e70bb1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test roman::tests::min_max ... ok
[INFO] [stdout] test roman::tests::to_roman ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nil_num
[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" "bc9e7651f1c366c8ddf8beb40af311b76380a69e5028867b0559293f4df82574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9e7651f1c366c8ddf8beb40af311b76380a69e5028867b0559293f4df82574", kill_on_drop: false }`
[INFO] [stdout] bc9e7651f1c366c8ddf8beb40af311b76380a69e5028867b0559293f4df82574