[INFO] cloning repository avl/scoped_pool_perf_problem
[INFO] running `"git" "clone" "--bare" "git://github.com/avl/scoped_pool_perf_problem.git" "work/cache/sources/gh/avl/scoped_pool_perf_problem"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/avl/scoped_pool_perf_problem'...
[INFO] running `"git" "clone" "work/cache/sources/gh/avl/scoped_pool_perf_problem" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/avl/scoped_pool_perf_problem"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/avl/scoped_pool_perf_problem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avl/scoped_pool_perf_problem" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/avl/scoped_pool_perf_problem"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/avl/scoped_pool_perf_problem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9496ecf607d63f4a6d43f09d90b078f5073281e5
[INFO] sha for GitHub repo avl/scoped_pool_perf_problem: 9496ecf607d63f4a6d43f09d90b078f5073281e5
[INFO] validating manifest of avl/scoped_pool_perf_problem on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of avl/scoped_pool_perf_problem on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing avl/scoped_pool_perf_problem
[INFO] finished frobbing avl/scoped_pool_perf_problem
[INFO] frobbed toml for avl/scoped_pool_perf_problem written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/avl/scoped_pool_perf_problem/Cargo.toml
[INFO] started frobbing avl/scoped_pool_perf_problem
[INFO] finished frobbing avl/scoped_pool_perf_problem
[INFO] frobbed toml for avl/scoped_pool_perf_problem written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/avl/scoped_pool_perf_problem/Cargo.toml
[INFO] crate avl/scoped_pool_perf_problem has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking avl/scoped_pool_perf_problem against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9aafb86902d05663ee7e50b26d0a198ee70a8e7f2661020644e68217d4ad2a60
[INFO] running `"docker" "start" "-a" "9aafb86902d05663ee7e50b26d0a198ee70a8e7f2661020644e68217d4ad2a60"`
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Checking scoped_pool_performance_problem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `scoped_pool::Pool`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use scoped_pool::Pool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scoped_pool::Pool`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use scoped_pool::Pool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bencher`
[INFO] [stderr]  --> src/main.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use test::{Bencher};
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "9aafb86902d05663ee7e50b26d0a198ee70a8e7f2661020644e68217d4ad2a60"`
[INFO] running `"docker" "rm" "-f" "9aafb86902d05663ee7e50b26d0a198ee70a8e7f2661020644e68217d4ad2a60"`
[INFO] [stdout] 9aafb86902d05663ee7e50b26d0a198ee70a8e7f2661020644e68217d4ad2a60