[INFO] fetching crate hierarchical_hash_wheel_timer 1.0.0...
[INFO] checking hierarchical_hash_wheel_timer-1.0.0 against beta for pr-78714
[INFO] extracting crate hierarchical_hash_wheel_timer 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate hierarchical_hash_wheel_timer 1.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hierarchical_hash_wheel_timer 1.0.0
[INFO] finished tweaking crates.io crate hierarchical_hash_wheel_timer 1.0.0
[INFO] tweaked toml for crates.io crate hierarchical_hash_wheel_timer 1.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de275260d524c2ab4fd7f76c5590197adb7e6c6e3a1c8d344711670a4bd9ffe0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de275260d524c2ab4fd7f76c5590197adb7e6c6e3a1c8d344711670a4bd9ffe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de275260d524c2ab4fd7f76c5590197adb7e6c6e3a1c8d344711670a4bd9ffe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de275260d524c2ab4fd7f76c5590197adb7e6c6e3a1c8d344711670a4bd9ffe0", kill_on_drop: false }`
[INFO] [stdout] de275260d524c2ab4fd7f76c5590197adb7e6c6e3a1c8d344711670a4bd9ffe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad287f2df8d0c15d313c073873a98ab718113adb58e887cdbb0523aeee50f87d
[INFO] running `Command { std: "docker" "start" "-a" "ad287f2df8d0c15d313c073873a98ab718113adb58e887cdbb0523aeee50f87d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking hierarchical_hash_wheel_timer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/wheel_benchmark.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     black_box,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]   --> benches/wheel_benchmark.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |     wheels::{cancellable::*, *},
[INFO] [stdout]    |                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "ad287f2df8d0c15d313c073873a98ab718113adb58e887cdbb0523aeee50f87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad287f2df8d0c15d313c073873a98ab718113adb58e887cdbb0523aeee50f87d", kill_on_drop: false }`
[INFO] [stdout] ad287f2df8d0c15d313c073873a98ab718113adb58e887cdbb0523aeee50f87d