[INFO] fetching crate cogwheel 0.1.0...
[INFO] testing cogwheel-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cogwheel 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cogwheel 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cogwheel 0.1.0
[INFO] tweaked toml for crates.io crate cogwheel 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cogwheel 0.1.0 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] crate crates.io crate cogwheel 0.1.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 77225b8863ea403b1cf008f14d6faf6e4c7badfa9c8fe331c5ecaaf16852d456
[INFO] running `Command { std: "docker" "start" "-a" "77225b8863ea403b1cf008f14d6faf6e4c7badfa9c8fe331c5ecaaf16852d456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77225b8863ea403b1cf008f14d6faf6e4c7badfa9c8fe331c5ecaaf16852d456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77225b8863ea403b1cf008f14d6faf6e4c7badfa9c8fe331c5ecaaf16852d456", kill_on_drop: false }`
[INFO] [stdout] 77225b8863ea403b1cf008f14d6faf6e4c7badfa9c8fe331c5ecaaf16852d456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7d05c4f26a0c15a223e6280e41713f586eab6aadebd02309aafdcd486f22588e
[INFO] running `Command { std: "docker" "start" "-a" "7d05c4f26a0c15a223e6280e41713f586eab6aadebd02309aafdcd486f22588e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling thiserror v2.0.4
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling thiserror-impl v2.0.4
[INFO] [stderr]    Compiling cogwheel-macro v0.1.0
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling cogwheel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "7d05c4f26a0c15a223e6280e41713f586eab6aadebd02309aafdcd486f22588e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d05c4f26a0c15a223e6280e41713f586eab6aadebd02309aafdcd486f22588e", kill_on_drop: false }`
[INFO] [stdout] 7d05c4f26a0c15a223e6280e41713f586eab6aadebd02309aafdcd486f22588e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8bf7e3d034d3e14410df93045d985b035a8fbf119d7dafb878b60246e26c7193
[INFO] running `Command { std: "docker" "start" "-a" "8bf7e3d034d3e14410df93045d985b035a8fbf119d7dafb878b60246e26c7193", kill_on_drop: false }`
[INFO] [stderr]    Compiling cogwheel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `ConfigurationVariant` in the current scope
[INFO] [stdout]   --> examples/deserialize.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |             ConfigurationVariant::Json,
[INFO] [stdout]    |                                   ^^^^ variant or associated item not found in `ConfigurationVariant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Yaml` found for enum `ConfigurationVariant` in the current scope
[INFO] [stdout]   --> examples/deserialize.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ConfigurationVariant::Yaml,
[INFO] [stdout]    |                                   ^^^^ variant or associated item not found in `ConfigurationVariant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cogwheel` (example "deserialize") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8bf7e3d034d3e14410df93045d985b035a8fbf119d7dafb878b60246e26c7193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf7e3d034d3e14410df93045d985b035a8fbf119d7dafb878b60246e26c7193", kill_on_drop: false }`
[INFO] [stdout] 8bf7e3d034d3e14410df93045d985b035a8fbf119d7dafb878b60246e26c7193
