[INFO] cloning repository https://github.com/MoefulYe/rust-atomic-and-locks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoefulYe/rust-atomic-and-locks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoefulYe%2Frust-atomic-and-locks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoefulYe%2Frust-atomic-and-locks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd0c5135f280134eaa333230bee6572b1a26872c
[INFO] checking MoefulYe/rust-atomic-and-locks against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoefulYe%2Frust-atomic-and-locks" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MoefulYe/rust-atomic-and-locks
[INFO] finished tweaking git repo https://github.com/MoefulYe/rust-atomic-and-locks
[INFO] tweaked toml for git repo https://github.com/MoefulYe/rust-atomic-and-locks written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MoefulYe/rust-atomic-and-locks 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 git repo https://github.com/MoefulYe/rust-atomic-and-locks 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] 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] bb86345a49459b2d23fb52ed516ea3cbc4ca2b673265a298aac277354ea20f92
[INFO] running `Command { std: "docker" "start" "-a" "bb86345a49459b2d23fb52ed516ea3cbc4ca2b673265a298aac277354ea20f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb86345a49459b2d23fb52ed516ea3cbc4ca2b673265a298aac277354ea20f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb86345a49459b2d23fb52ed516ea3cbc4ca2b673265a298aac277354ea20f92", kill_on_drop: false }`
[INFO] [stdout] bb86345a49459b2d23fb52ed516ea3cbc4ca2b673265a298aac277354ea20f92
[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] a454fe80bfab96c4ba7ad931952c28766c4be6970779d8837b419f24ba6ce48e
[INFO] running `Command { std: "docker" "start" "-a" "a454fe80bfab96c4ba7ad931952c28766c4be6970779d8837b419f24ba6ce48e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/arc/optimizing.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/blockable_locks_impl/condvar.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::mutex_v3::{Guard as MutexGuard, Mutex};
[INFO] [stdout]   |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DerefMut`
[INFO] [stdout]  --> src/arc/optimizing.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ops::{Deref, DerefMut},
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ffi`
[INFO] [stdout]  --> src/blockable_locks_impl/futex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ffi;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, `AtomicU64`, `hint::black_box`, `thread`, and `time::Instant`
[INFO] [stdout]  --> src/hardware/concurrent_read_write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     hint::black_box,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     sync::{
[INFO] [stdout] 4 |         Arc,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |         atomic::{AtomicBool, AtomicU64},
[INFO] [stdout]   |                  ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 6 |     },
[INFO] [stdout] 7 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     time::Instant,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `current`
[INFO] [stdout]  --> src/oneshot.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::{self, Thread, current},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ffi`
[INFO] [stdout]  --> src/blockable_locks_impl/futex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ffi;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, and `time::Instant`
[INFO] [stdout]  --> src/hardware/concurrent_read_write.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         Arc,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 5 |         atomic::{AtomicBool, AtomicU64},
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     time::Instant,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `current`
[INFO] [stdout]  --> src/oneshot.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread::{self, Thread, current},
[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 `rust` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a454fe80bfab96c4ba7ad931952c28766c4be6970779d8837b419f24ba6ce48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a454fe80bfab96c4ba7ad931952c28766c4be6970779d8837b419f24ba6ce48e", kill_on_drop: false }`
[INFO] [stdout] a454fe80bfab96c4ba7ad931952c28766c4be6970779d8837b419f24ba6ce48e
