[INFO] crate cht 0.1.2 is already in cache
[INFO] checking cht-0.1.2 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate cht 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cht 0.1.2 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cht 0.1.2
[INFO] finished tweaking crates.io crate cht 0.1.2
[INFO] tweaked toml for crates.io crate cht 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7108b90656d274a83ee297adb1e50feba18ba682a9931cca85147604a2ccebb
[INFO] running `"docker" "start" "-a" "c7108b90656d274a83ee297adb1e50feba18ba682a9931cca85147604a2ccebb"`
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking cht v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> benches/mutex.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 | /     fn get<Q: Hash + Eq + ?Sized>(&self, key: &Q) -> Option<Arc<RwLock<V>>>
[INFO] [stderr] 60 | |     where
[INFO] [stderr] 61 | |         K: Borrow<Q>,
[INFO] [stderr] 62 | |     {
[INFO] [stderr] 63 | |         let guard = self.map.read();
[INFO] [stderr] 64 | |         guard.get(key).cloned()
[INFO] [stderr] 65 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> benches/cht.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |         [8, 64, 512, 4096, 32768].into_iter(),
[INFO] [stderr]    |                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `"docker" "inspect" "c7108b90656d274a83ee297adb1e50feba18ba682a9931cca85147604a2ccebb"`
[INFO] running `"docker" "rm" "-f" "c7108b90656d274a83ee297adb1e50feba18ba682a9931cca85147604a2ccebb"`
[INFO] [stdout] c7108b90656d274a83ee297adb1e50feba18ba682a9931cca85147604a2ccebb