[INFO] fetching crate pawkit-net-websocket 0.1.20...
[INFO] checking pawkit-net-websocket-0.1.20 against 1.95.0 for pr-155915
[INFO] extracting crate pawkit-net-websocket 0.1.20 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate pawkit-net-websocket 0.1.20
[INFO] finished tweaking crates.io crate pawkit-net-websocket 0.1.20
[INFO] tweaked toml for crates.io crate pawkit-net-websocket 0.1.20 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pawkit-net-websocket 0.1.20 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 pawkit-net-websocket 0.1.20 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 pawkit-logger v0.1.20
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee0e63232b96183739f214669841b100f98153e12cbbc970bf1b34f514cd4c8f
[INFO] running `Command { std: "docker" "start" "-a" "ee0e63232b96183739f214669841b100f98153e12cbbc970bf1b34f514cd4c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0e63232b96183739f214669841b100f98153e12cbbc970bf1b34f514cd4c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0e63232b96183739f214669841b100f98153e12cbbc970bf1b34f514cd4c8f", kill_on_drop: false }`
[INFO] [stdout] ee0e63232b96183739f214669841b100f98153e12cbbc970bf1b34f514cd4c8f
[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=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] f058d3aaf5cd53b974ff06aaa71deb3e85eb5161809e36c11cd8a255a4f90a9c
[INFO] running `Command { std: "docker" "start" "-a" "f058d3aaf5cd53b974ff06aaa71deb3e85eb5161809e36c11cd8a255a4f90a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking pawkit-logger v0.1.20
[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/pawkit-logger-0.1.20/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[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 `pawkit-logger` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f058d3aaf5cd53b974ff06aaa71deb3e85eb5161809e36c11cd8a255a4f90a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f058d3aaf5cd53b974ff06aaa71deb3e85eb5161809e36c11cd8a255a4f90a9c", kill_on_drop: false }`
[INFO] [stdout] f058d3aaf5cd53b974ff06aaa71deb3e85eb5161809e36c11cd8a255a4f90a9c
