[INFO] fetching crate sticknodes-rs 3.0.0-alpha...
[INFO] checking sticknodes-rs-3.0.0-alpha against 1.95.0 for pr-155915
[INFO] extracting crate sticknodes-rs 3.0.0-alpha into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate sticknodes-rs 3.0.0-alpha
[INFO] finished tweaking crates.io crate sticknodes-rs 3.0.0-alpha
[INFO] tweaked toml for crates.io crate sticknodes-rs 3.0.0-alpha written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sticknodes-rs 3.0.0-alpha on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sticknodes-rs 3.0.0-alpha 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder-core2 v1.5.0-core2
[INFO] [stderr]   Downloaded petgraph v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 776776268a1c30004e6ca9b7019901c1a91d541c32c59e1176d83ba2f8492ac6
[INFO] running `Command { std: "docker" "start" "-a" "776776268a1c30004e6ca9b7019901c1a91d541c32c59e1176d83ba2f8492ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "776776268a1c30004e6ca9b7019901c1a91d541c32c59e1176d83ba2f8492ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776776268a1c30004e6ca9b7019901c1a91d541c32c59e1176d83ba2f8492ac6", kill_on_drop: false }`
[INFO] [stdout] 776776268a1c30004e6ca9b7019901c1a91d541c32c59e1176d83ba2f8492ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c59c9dbe13619d88c6c301234b584806840860ab9dd82412e72f92c3515c69a4
[INFO] running `Command { std: "docker" "start" "-a" "c59c9dbe13619d88c6c301234b584806840860ab9dd82412e72f92c3515c69a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking core2 v0.4.0
[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/core2-0.4.0/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", feature(maybe_uninit_ref))]
[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 `core2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c59c9dbe13619d88c6c301234b584806840860ab9dd82412e72f92c3515c69a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59c9dbe13619d88c6c301234b584806840860ab9dd82412e72f92c3515c69a4", kill_on_drop: false }`
[INFO] [stdout] c59c9dbe13619d88c6c301234b584806840860ab9dd82412e72f92c3515c69a4