[INFO] fetching crate cfr 0.4.4...
[INFO] checking cfr-0.4.4 against 1.95.0 for pr-155915
[INFO] extracting crate cfr 0.4.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cfr 0.4.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cfr 0.4.4
[INFO] tweaked toml for crates.io crate cfr 0.4.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cfr 0.4.4 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 cfr 0.4.4 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 gambit-parser v0.2.0
[INFO] [stderr]   Downloaded logaddexp v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b4bcba641e2426e132f6410fbb20a2fdb2fe830a1436bf177515f696c9dfbb6e
[INFO] running `Command { std: "docker" "start" "-a" "b4bcba641e2426e132f6410fbb20a2fdb2fe830a1436bf177515f696c9dfbb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4bcba641e2426e132f6410fbb20a2fdb2fe830a1436bf177515f696c9dfbb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bcba641e2426e132f6410fbb20a2fdb2fe830a1436bf177515f696c9dfbb6e", kill_on_drop: false }`
[INFO] [stdout] b4bcba641e2426e132f6410fbb20a2fdb2fe830a1436bf177515f696c9dfbb6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ee230e5126926031c2e178687291112f89b6e9e0e856810e80d1535c23e9e88
[INFO] running `Command { std: "docker" "start" "-a" "1ee230e5126926031c2e178687291112f89b6e9e0e856810e80d1535c23e9e88", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking logaddexp v0.1.3
[INFO] [stderr]     Checking by_address v1.2.1
[INFO] [stderr]     Checking terminal_size v0.4.4
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking gambit-parser v0.2.0
[INFO] [stderr]     Checking rand_distr v0.6.0
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking cfr v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/liars_dice.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test, never_type, type_alias_impl_trait)]
[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 `cfr` (bench "liars_dice") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1ee230e5126926031c2e178687291112f89b6e9e0e856810e80d1535c23e9e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee230e5126926031c2e178687291112f89b6e9e0e856810e80d1535c23e9e88", kill_on_drop: false }`
[INFO] [stdout] 1ee230e5126926031c2e178687291112f89b6e9e0e856810e80d1535c23e9e88
