[INFO] fetching crate libcnb-common 0.29.3...
[INFO] testing libcnb-common-0.29.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libcnb-common 0.29.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libcnb-common 0.29.3
[INFO] finished tweaking crates.io crate libcnb-common 0.29.3
[INFO] tweaked toml for crates.io crate libcnb-common 0.29.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcnb-common 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-common 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 14907075eb64fa711a70e4005fa87cc675e0925732d590b9db3f2e0d98d0e8d7
[INFO] running `Command { std: "docker" "start" "-a" "14907075eb64fa711a70e4005fa87cc675e0925732d590b9db3f2e0d98d0e8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14907075eb64fa711a70e4005fa87cc675e0925732d590b9db3f2e0d98d0e8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14907075eb64fa711a70e4005fa87cc675e0925732d590b9db3f2e0d98d0e8d7", kill_on_drop: false }`
[INFO] [stdout] 14907075eb64fa711a70e4005fa87cc675e0925732d590b9db3f2e0d98d0e8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dd1e69591c65af607d07c002e09aad2513aa0efa917824a3077797944f24fb33
[INFO] running `Command { std: "docker" "start" "-a" "dd1e69591c65af607d07c002e09aad2513aa0efa917824a3077797944f24fb33", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libcnb-common v0.29.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "dd1e69591c65af607d07c002e09aad2513aa0efa917824a3077797944f24fb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1e69591c65af607d07c002e09aad2513aa0efa917824a3077797944f24fb33", kill_on_drop: false }`
[INFO] [stdout] dd1e69591c65af607d07c002e09aad2513aa0efa917824a3077797944f24fb33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] da3df63dd4e083a425391243028c8bdfb50877c86eb4ee70b94c00d63ee2f72e
[INFO] running `Command { std: "docker" "start" "-a" "da3df63dd4e083a425391243028c8bdfb50877c86eb4ee70b94c00d63ee2f72e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcnb-common v0.29.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "da3df63dd4e083a425391243028c8bdfb50877c86eb4ee70b94c00d63ee2f72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3df63dd4e083a425391243028c8bdfb50877c86eb4ee70b94c00d63ee2f72e", kill_on_drop: false }`
[INFO] [stdout] da3df63dd4e083a425391243028c8bdfb50877c86eb4ee70b94c00d63ee2f72e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 36cc8673080f975f0e65b7666abe01d705f0c5cba7b584216f5a9ef34db3e1a9
[INFO] running `Command { std: "docker" "start" "-a" "36cc8673080f975f0e65b7666abe01d705f0c5cba7b584216f5a9ef34db3e1a9", 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/libcnb_common-0ad100b075740b6e)
[INFO] [stderr]    Doc-tests libcnb_common
[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] [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" "36cc8673080f975f0e65b7666abe01d705f0c5cba7b584216f5a9ef34db3e1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cc8673080f975f0e65b7666abe01d705f0c5cba7b584216f5a9ef34db3e1a9", kill_on_drop: false }`
[INFO] [stdout] 36cc8673080f975f0e65b7666abe01d705f0c5cba7b584216f5a9ef34db3e1a9