[INFO] fetching crate quix-build 0.0.6...
[INFO] testing quix-build-0.0.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate quix-build 0.0.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate quix-build 0.0.6
[INFO] finished tweaking crates.io crate quix-build 0.0.6
[INFO] tweaked toml for crates.io crate quix-build 0.0.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate quix-build 0.0.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding crc64 v1.0.0 (available: v2.0.0)
[INFO] [stderr]       Adding prost-build v0.6.1 (available: v0.14.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc64 v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89fa29146c41270f4d3480ae6cdecc3278ab349eefb02cef4b7a9554a6d5c7f8
[INFO] running `Command { std: "docker" "start" "-a" "89fa29146c41270f4d3480ae6cdecc3278ab349eefb02cef4b7a9554a6d5c7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89fa29146c41270f4d3480ae6cdecc3278ab349eefb02cef4b7a9554a6d5c7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fa29146c41270f4d3480ae6cdecc3278ab349eefb02cef4b7a9554a6d5c7f8", kill_on_drop: false }`
[INFO] [stdout] 89fa29146c41270f4d3480ae6cdecc3278ab349eefb02cef4b7a9554a6d5c7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b05aebf2ced70a1d167dd6f62328e5b68e750f1a4d36e898baa323533b8e67
[INFO] running `Command { std: "docker" "start" "-a" "75b05aebf2ced70a1d167dd6f62328e5b68e750f1a4d36e898baa323533b8e67", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling crc64 v1.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling quix-build v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(format_args_capture)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `format_args_capture` has been stable since `1.58.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `format_args_capture` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(format_args_capture)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quix-build` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "75b05aebf2ced70a1d167dd6f62328e5b68e750f1a4d36e898baa323533b8e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b05aebf2ced70a1d167dd6f62328e5b68e750f1a4d36e898baa323533b8e67", kill_on_drop: false }`
[INFO] [stdout] 75b05aebf2ced70a1d167dd6f62328e5b68e750f1a4d36e898baa323533b8e67