Dec 14 02:07:15.252 INFO testing avl/scoped_pool_perf_problem against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 02:07:15.252 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 02:07:15.584 INFO [stdout] e01dea472b38dbb90d325c1be2b6c9189048fbb194b77b24bf5ed5a93af1679b
Dec 14 02:07:15.586 INFO running `"docker" "start" "-a" "e01dea472b38dbb90d325c1be2b6c9189048fbb194b77b24bf5ed5a93af1679b"`
Dec 14 02:07:16.343 INFO [stderr] usermod: no changes
Dec 14 02:07:16.438 INFO [stderr]    Compiling scoped_pool_performance_problem v0.1.0 (/source)
Dec 14 02:07:17.783 INFO [stderr] warning: unused import: `scoped_pool::Pool`
Dec 14 02:07:17.783 INFO [stderr]  --> src/main.rs:5:5
Dec 14 02:07:17.783 INFO [stderr]   |
Dec 14 02:07:17.783 INFO [stderr] 5 | use scoped_pool::Pool;
Dec 14 02:07:17.783 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 02:07:17.783 INFO [stderr]   |
Dec 14 02:07:17.783 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 02:07:17.783 INFO [stderr] 
Dec 14 02:07:17.783 INFO [stderr] warning: unused import: `Bencher`
Dec 14 02:07:17.783 INFO [stderr]  --> src/main.rs:6:12
Dec 14 02:07:17.783 INFO [stderr]   |
Dec 14 02:07:17.783 INFO [stderr] 6 | use test::{Bencher};
Dec 14 02:07:17.783 INFO [stderr]   |            ^^^^^^^
Dec 14 02:07:17.783 INFO [stderr] 
Dec 14 02:07:18.142 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Dec 14 02:07:18.150 INFO [stderr] su: No module specific data is present
Dec 14 02:07:18.685 INFO running `"docker" "inspect" "e01dea472b38dbb90d325c1be2b6c9189048fbb194b77b24bf5ed5a93af1679b"`
Dec 14 02:07:18.924 INFO running `"docker" "rm" "-f" "e01dea472b38dbb90d325c1be2b6c9189048fbb194b77b24bf5ed5a93af1679b"`
Dec 14 02:07:19.110 INFO [stdout] e01dea472b38dbb90d325c1be2b6c9189048fbb194b77b24bf5ed5a93af1679b
Dec 14 02:07:19.116 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 02:07:19.466 INFO [stdout] 43404529f942fb2ef3aec1596f04a6442ee18bdef5c2f2a434ee17193c9b2018
Dec 14 02:07:19.468 INFO running `"docker" "start" "-a" "43404529f942fb2ef3aec1596f04a6442ee18bdef5c2f2a434ee17193c9b2018"`
Dec 14 02:07:20.215 INFO [stderr] usermod: no changes
Dec 14 02:07:20.284 INFO [stderr]    Compiling scoped_pool_performance_problem v0.1.0 (/source)
Dec 14 02:07:21.355 INFO [stderr] warning: unused import: `scoped_pool::Pool`
Dec 14 02:07:21.355 INFO [stderr]  --> src/main.rs:5:5
Dec 14 02:07:21.355 INFO [stderr]   |
Dec 14 02:07:21.355 INFO [stderr] 5 | use scoped_pool::Pool;
Dec 14 02:07:21.355 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 02:07:21.355 INFO [stderr]   |
Dec 14 02:07:21.355 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 02:07:21.355 INFO [stderr] 
Dec 14 02:07:22.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Dec 14 02:07:22.347 INFO [stderr] su: No module specific data is present
Dec 14 02:07:22.880 INFO running `"docker" "inspect" "43404529f942fb2ef3aec1596f04a6442ee18bdef5c2f2a434ee17193c9b2018"`
Dec 14 02:07:23.036 INFO running `"docker" "rm" "-f" "43404529f942fb2ef3aec1596f04a6442ee18bdef5c2f2a434ee17193c9b2018"`
Dec 14 02:07:23.303 INFO [stdout] 43404529f942fb2ef3aec1596f04a6442ee18bdef5c2f2a434ee17193c9b2018
Dec 14 02:07:23.311 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 02:07:23.635 INFO [stdout] 763997f6ce846afce8d0975ccd5c52c01261f2ebf4e57b0e737fe5fde8b80fcb
Dec 14 02:07:23.639 INFO running `"docker" "start" "-a" "763997f6ce846afce8d0975ccd5c52c01261f2ebf4e57b0e737fe5fde8b80fcb"`
Dec 14 02:07:24.502 INFO [stderr] usermod: no changes
Dec 14 02:07:24.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 02:07:24.570 INFO [stderr]      Running /target/debug/deps/scoped_pool_performance_problem-92ebe27cfd8968ba
Dec 14 02:07:24.577 INFO [stdout] 
Dec 14 02:07:24.579 INFO [stdout] running 1 test
Dec 14 02:07:24.739 INFO [stdout] test test_bench_alt ... ok
Dec 14 02:07:24.739 INFO [stdout] 
Dec 14 02:07:24.739 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 02:07:24.739 INFO [stdout] 
Dec 14 02:07:24.755 INFO [stderr] su: No module specific data is present
Dec 14 02:07:25.183 INFO running `"docker" "inspect" "763997f6ce846afce8d0975ccd5c52c01261f2ebf4e57b0e737fe5fde8b80fcb"`
Dec 14 02:07:25.413 INFO running `"docker" "rm" "-f" "763997f6ce846afce8d0975ccd5c52c01261f2ebf4e57b0e737fe5fde8b80fcb"`
Dec 14 02:07:25.659 INFO [stdout] 763997f6ce846afce8d0975ccd5c52c01261f2ebf4e57b0e737fe5fde8b80fcb