[INFO] fetching crate worst-executor 0.1.1...
[INFO] checking worst-executor-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate worst-executor 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate worst-executor 0.1.1
[INFO] finished tweaking crates.io crate worst-executor 0.1.1
[INFO] tweaked toml for crates.io crate worst-executor 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate worst-executor 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.5.0)
[INFO] [stderr]       Adding async-fs v1.6.0 (available: v2.2.0)
[INFO] [stderr]       Adding async-net v1.8.0 (available: v2.0.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded piper v0.2.5
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.11
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded rustix v0.37.28
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[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] e8c617d2f9171c23d5c513135cb8c3aaf16e36be05888a007b16af4366320aeb
[INFO] running `Command { std: "docker" "start" "-a" "e8c617d2f9171c23d5c513135cb8c3aaf16e36be05888a007b16af4366320aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c617d2f9171c23d5c513135cb8c3aaf16e36be05888a007b16af4366320aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c617d2f9171c23d5c513135cb8c3aaf16e36be05888a007b16af4366320aeb", kill_on_drop: false }`
[INFO] [stdout] e8c617d2f9171c23d5c513135cb8c3aaf16e36be05888a007b16af4366320aeb
[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] aa4c61b08877c8ae6650965a19530c1c86a2d06cf60a8232fee1e5128171fd8e
[INFO] running `Command { std: "docker" "start" "-a" "aa4c61b08877c8ae6650965a19530c1c86a2d06cf60a8232fee1e5128171fd8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking worst-executor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![feature(const_waker)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_waker` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | #![feature(const_waker)]
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `worst-executor` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aa4c61b08877c8ae6650965a19530c1c86a2d06cf60a8232fee1e5128171fd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4c61b08877c8ae6650965a19530c1c86a2d06cf60a8232fee1e5128171fd8e", kill_on_drop: false }`
[INFO] [stdout] aa4c61b08877c8ae6650965a19530c1c86a2d06cf60a8232fee1e5128171fd8e
