[INFO] fetching crate hierarchical_hash_wheel_timer 1.0.0...
[INFO] checking hierarchical_hash_wheel_timer-1.0.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate hierarchical_hash_wheel_timer 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hierarchical_hash_wheel_timer 1.0.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", 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] e088531b278e76529d95566886a4d9f3d7b32de191bda7658fc1eebdb46ecd1c
[INFO] running `Command { std: "docker" "start" "-a" "e088531b278e76529d95566886a4d9f3d7b32de191bda7658fc1eebdb46ecd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e088531b278e76529d95566886a4d9f3d7b32de191bda7658fc1eebdb46ecd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e088531b278e76529d95566886a4d9f3d7b32de191bda7658fc1eebdb46ecd1c", kill_on_drop: false }`
[INFO] [stdout] e088531b278e76529d95566886a4d9f3d7b32de191bda7658fc1eebdb46ecd1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f1a7ab67499f1910431dff7eb810076a724ac9a1fb2efa819fe9806b9106945
[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" "1f1a7ab67499f1910431dff7eb810076a724ac9a1fb2efa819fe9806b9106945", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking hierarchical_hash_wheel_timer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking criterion v0.3.3
[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 12.63s
[INFO] running `Command { std: "docker" "inspect" "1f1a7ab67499f1910431dff7eb810076a724ac9a1fb2efa819fe9806b9106945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1a7ab67499f1910431dff7eb810076a724ac9a1fb2efa819fe9806b9106945", kill_on_drop: false }`
[INFO] [stdout] 1f1a7ab67499f1910431dff7eb810076a724ac9a1fb2efa819fe9806b9106945