[INFO] fetching crate xscan 0.1.1...
[INFO] testing xscan-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xscan 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate xscan 0.1.1
[INFO] finished tweaking crates.io crate xscan 0.1.1
[INFO] tweaked toml for crates.io crate xscan 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xscan 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xscan 0.1.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-browser-subscriber v0.2.0
[INFO] [stderr]   Downloaded gloo-net v0.5.0
[INFO] [stderr]   Downloaded xscan-h2s v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]   Downloaded cc v1.2.33
[INFO] [stderr]   Downloaded serde_json v1.0.142
[INFO] [stderr]   Downloaded gloo v0.11.0
[INFO] [stderr]   Downloaded xscan-w2c v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 867d18bea691fe14ac79a0cbcbb17e5211842073ff7eed70bd06b45ec469d537
[INFO] running `Command { std: "docker" "start" "-a" "867d18bea691fe14ac79a0cbcbb17e5211842073ff7eed70bd06b45ec469d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867d18bea691fe14ac79a0cbcbb17e5211842073ff7eed70bd06b45ec469d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867d18bea691fe14ac79a0cbcbb17e5211842073ff7eed70bd06b45ec469d537", kill_on_drop: false }`
[INFO] [stdout] 867d18bea691fe14ac79a0cbcbb17e5211842073ff7eed70bd06b45ec469d537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cf38594872f809fdbabe1e0eb6fa96c6f23d695482f05873e29608a0a9c1267
[INFO] running `Command { std: "docker" "start" "-a" "3cf38594872f809fdbabe1e0eb6fa96c6f23d695482f05873e29608a0a9c1267", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling nill v1.1.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nill-1.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nill` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3cf38594872f809fdbabe1e0eb6fa96c6f23d695482f05873e29608a0a9c1267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf38594872f809fdbabe1e0eb6fa96c6f23d695482f05873e29608a0a9c1267", kill_on_drop: false }`
[INFO] [stdout] 3cf38594872f809fdbabe1e0eb6fa96c6f23d695482f05873e29608a0a9c1267
