Dec 18 03:40:34.764 INFO checking avl/scoped_pool_perf_problem against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:40:34.764 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/avl/scoped_pool_perf_problem:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:40:35.088 INFO [stdout] dacfb3c240b9f7b0f90c5ef28d59c03f96bdceedfd7fc53d2e153cf1e122c5cd
Dec 18 03:40:35.100 INFO running `"docker" "start" "-a" "dacfb3c240b9f7b0f90c5ef28d59c03f96bdceedfd7fc53d2e153cf1e122c5cd"`
Dec 18 03:40:36.319 INFO [stderr]     Checking variance v0.1.3
Dec 18 03:40:36.319 INFO [stderr]     Checking scopeguard v0.1.2
Dec 18 03:40:36.688 INFO [stderr]     Checking scoped-pool v1.0.0
Dec 18 03:40:37.008 INFO [stderr]     Checking scoped_pool_performance_problem v0.1.0 (/opt/crater/workdir)
Dec 18 03:40:37.444 INFO [stderr] warning: unused import: `scoped_pool::Pool`
Dec 18 03:40:37.444 INFO [stderr]  --> src/main.rs:5:5
Dec 18 03:40:37.444 INFO [stderr]   |
Dec 18 03:40:37.444 INFO [stderr] 5 | use scoped_pool::Pool;
Dec 18 03:40:37.444 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 03:40:37.444 INFO [stderr]   |
Dec 18 03:40:37.444 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:40:37.444 INFO [stderr] 
Dec 18 03:40:37.444 INFO [stderr] warning: unused import: `Bencher`
Dec 18 03:40:37.444 INFO [stderr]  --> src/main.rs:6:12
Dec 18 03:40:37.444 INFO [stderr]   |
Dec 18 03:40:37.444 INFO [stderr] 6 | use test::{Bencher};
Dec 18 03:40:37.444 INFO [stderr]   |            ^^^^^^^
Dec 18 03:40:37.444 INFO [stderr] 
Dec 18 03:40:37.448 INFO [stderr] warning: unused import: `scoped_pool::Pool`
Dec 18 03:40:37.448 INFO [stderr]  --> src/main.rs:5:5
Dec 18 03:40:37.448 INFO [stderr]   |
Dec 18 03:40:37.448 INFO [stderr] 5 | use scoped_pool::Pool;
Dec 18 03:40:37.448 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 03:40:37.448 INFO [stderr]   |
Dec 18 03:40:37.448 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:40:37.448 INFO [stderr] 
Dec 18 03:40:37.563 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 18 03:40:37.934 INFO running `"docker" "inspect" "dacfb3c240b9f7b0f90c5ef28d59c03f96bdceedfd7fc53d2e153cf1e122c5cd"`
Dec 18 03:40:38.112 INFO running `"docker" "rm" "-f" "dacfb3c240b9f7b0f90c5ef28d59c03f96bdceedfd7fc53d2e153cf1e122c5cd"`
Dec 18 03:40:38.308 INFO [stdout] dacfb3c240b9f7b0f90c5ef28d59c03f96bdceedfd7fc53d2e153cf1e122c5cd