[INFO] fetching crate libcnb-proc-macros 0.29.3...
[INFO] testing libcnb-proc-macros-0.29.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libcnb-proc-macros 0.29.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libcnb-proc-macros 0.29.3
[INFO] finished tweaking crates.io crate libcnb-proc-macros 0.29.3
[INFO] tweaked toml for crates.io crate libcnb-proc-macros 0.29.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcnb-proc-macros 0.29.3 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] crate crates.io crate libcnb-proc-macros 0.29.3 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-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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d79abd251cb746710b9d10f2d1b6d90266bfbc2e3f763cf3bff560e2de848c
[INFO] running `Command { std: "docker" "start" "-a" "14d79abd251cb746710b9d10f2d1b6d90266bfbc2e3f763cf3bff560e2de848c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d79abd251cb746710b9d10f2d1b6d90266bfbc2e3f763cf3bff560e2de848c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d79abd251cb746710b9d10f2d1b6d90266bfbc2e3f763cf3bff560e2de848c", kill_on_drop: false }`
[INFO] [stdout] 14d79abd251cb746710b9d10f2d1b6d90266bfbc2e3f763cf3bff560e2de848c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cadc01b9a4ebb75d35222e6667577d03276a7e4464640808ff2ce557edb9068d
[INFO] running `Command { std: "docker" "start" "-a" "cadc01b9a4ebb75d35222e6667577d03276a7e4464640808ff2ce557edb9068d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling camino v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde-untagged v0.1.9
[INFO] [stderr]    Compiling fancy-regex v0.16.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling cargo-platform v0.3.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling cargo-util-schemas v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.22.0
[INFO] [stderr]    Compiling libcnb-proc-macros v0.29.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.76s
[INFO] running `Command { std: "docker" "inspect" "cadc01b9a4ebb75d35222e6667577d03276a7e4464640808ff2ce557edb9068d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadc01b9a4ebb75d35222e6667577d03276a7e4464640808ff2ce557edb9068d", kill_on_drop: false }`
[INFO] [stdout] cadc01b9a4ebb75d35222e6667577d03276a7e4464640808ff2ce557edb9068d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cd12233a6b747e4391e05cf98670caecad633b91ff50dfb0cc136ce227ecc38
[INFO] running `Command { std: "docker" "start" "-a" "0cd12233a6b747e4391e05cf98670caecad633b91ff50dfb0cc136ce227ecc38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcnb-proc-macros v0.29.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "0cd12233a6b747e4391e05cf98670caecad633b91ff50dfb0cc136ce227ecc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd12233a6b747e4391e05cf98670caecad633b91ff50dfb0cc136ce227ecc38", kill_on_drop: false }`
[INFO] [stdout] 0cd12233a6b747e4391e05cf98670caecad633b91ff50dfb0cc136ce227ecc38
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6452602df33aca9134f9bad3793fe0d2310b4a9501a2a3325c0b3b0f2f91e1d0
[INFO] running `Command { std: "docker" "start" "-a" "6452602df33aca9134f9bad3793fe0d2310b4a9501a2a3325c0b3b0f2f91e1d0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcnb_proc_macros-a473b2bbd1079136)
[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]    Doc-tests libcnb_proc_macros
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - verify_regex (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6452602df33aca9134f9bad3793fe0d2310b4a9501a2a3325c0b3b0f2f91e1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6452602df33aca9134f9bad3793fe0d2310b4a9501a2a3325c0b3b0f2f91e1d0", kill_on_drop: false }`
[INFO] [stdout] 6452602df33aca9134f9bad3793fe0d2310b4a9501a2a3325c0b3b0f2f91e1d0