[INFO] updating cached repository avl/scoped_pool_perf_problem
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/avl/scoped_pool_perf_problem
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/avl/scoped_pool_perf_problem" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/avl/scoped_pool_perf_problem"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/avl/scoped_pool_perf_problem"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of avl/scoped_pool_perf_problem on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing avl/scoped_pool_perf_problem against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 51fe6735b954d1cb3a4ced466ad102915234b80adaa8bd5f3c8d6d48986be265
[INFO] running `"docker" "start" "-a" "51fe6735b954d1cb3a4ced466ad102915234b80adaa8bd5f3c8d6d48986be265"`
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling 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: `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 1.08s
[INFO] running `"docker" "inspect" "51fe6735b954d1cb3a4ced466ad102915234b80adaa8bd5f3c8d6d48986be265"`
[INFO] running `"docker" "rm" "-f" "51fe6735b954d1cb3a4ced466ad102915234b80adaa8bd5f3c8d6d48986be265"`
[INFO] [stdout] 51fe6735b954d1cb3a4ced466ad102915234b80adaa8bd5f3c8d6d48986be265
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe1997b004bc3aae77c8381c8df77f88fb7417c2bb8e73f13772de44dcd0f382
[INFO] running `"docker" "start" "-a" "fe1997b004bc3aae77c8381c8df77f88fb7417c2bb8e73f13772de44dcd0f382"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "fe1997b004bc3aae77c8381c8df77f88fb7417c2bb8e73f13772de44dcd0f382"`
[INFO] running `"docker" "rm" "-f" "fe1997b004bc3aae77c8381c8df77f88fb7417c2bb8e73f13772de44dcd0f382"`
[INFO] [stdout] fe1997b004bc3aae77c8381c8df77f88fb7417c2bb8e73f13772de44dcd0f382
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 9a7af6ba8ad7f07630eeb7b9bfddc3fc15cd84c0cf3e306ba01b3139c734cca3
[INFO] running `"docker" "start" "-a" "9a7af6ba8ad7f07630eeb7b9bfddc3fc15cd84c0cf3e306ba01b3139c734cca3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scoped_pool_performance_problem-c5b1976a646a9b21
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_bench_alt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9a7af6ba8ad7f07630eeb7b9bfddc3fc15cd84c0cf3e306ba01b3139c734cca3"`
[INFO] running `"docker" "rm" "-f" "9a7af6ba8ad7f07630eeb7b9bfddc3fc15cd84c0cf3e306ba01b3139c734cca3"`
[INFO] [stdout] 9a7af6ba8ad7f07630eeb7b9bfddc3fc15cd84c0cf3e306ba01b3139c734cca3