[INFO] fetching crate fast_pool 1.0.4...
[INFO] checking fast_pool-1.0.4 against 1.95.0 for pr-155915
[INFO] extracting crate fast_pool 1.0.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fast_pool 1.0.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fast_pool 1.0.4
[INFO] tweaked toml for crates.io crate fast_pool 1.0.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_pool 1.0.4 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 fast_pool 1.0.4 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 atomic v0.6.1
[INFO] [stderr]   Downloaded crossfire v3.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e97a4f3a3efc93134898d08151e764c8f583a03a0a8b7c23d7555a643b0dd866
[INFO] running `Command { std: "docker" "start" "-a" "e97a4f3a3efc93134898d08151e764c8f583a03a0a8b7c23d7555a643b0dd866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e97a4f3a3efc93134898d08151e764c8f583a03a0a8b7c23d7555a643b0dd866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97a4f3a3efc93134898d08151e764c8f583a03a0a8b7c23d7555a643b0dd866", kill_on_drop: false }`
[INFO] [stdout] e97a4f3a3efc93134898d08151e764c8f583a03a0a8b7c23d7555a643b0dd866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 455526cb098207755b7ee5b3c370f869a0fd5be6627f0e40afde662772df7c62
[INFO] running `Command { std: "docker" "start" "-a" "455526cb098207755b7ee5b3c370f869a0fd5be6627f0e40afde662772df7c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking atomic v0.6.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking crossfire v3.1.7
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tokio v1.52.0
[INFO] [stderr]     Checking fast_pool v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/performance.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(test)]
[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 `fast_pool` (bench "performance") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "455526cb098207755b7ee5b3c370f869a0fd5be6627f0e40afde662772df7c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455526cb098207755b7ee5b3c370f869a0fd5be6627f0e40afde662772df7c62", kill_on_drop: false }`
[INFO] [stdout] 455526cb098207755b7ee5b3c370f869a0fd5be6627f0e40afde662772df7c62
