[INFO] crate cuckoo 0.7.0 is already in cache
[INFO] extracting crate cuckoo 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/cuckoo/0.7.0
[INFO] extracting crate cuckoo 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cuckoo/0.7.0
[INFO] validating manifest of cuckoo-0.7.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cuckoo-0.7.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cuckoo-0.7.0
[INFO] finished frobbing cuckoo-0.7.0
[INFO] frobbed toml for cuckoo-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cuckoo/0.7.0/Cargo.toml
[INFO] started frobbing cuckoo-0.7.0
[INFO] finished frobbing cuckoo-0.7.0
[INFO] frobbed toml for cuckoo-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cuckoo/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cuckoo-0.7.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cuckoo/0.7.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c0222a22dc318f2e4b8a73ae890e9d2ce879e06f6c17bc40a5be4e3604ddc3b7
[INFO] running `"docker" "start" "-a" "c0222a22dc318f2e4b8a73ae890e9d2ce879e06f6c17bc40a5be4e3604ddc3b7"`
[INFO] [stderr]    Compiling cuckoo v0.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "c0222a22dc318f2e4b8a73ae890e9d2ce879e06f6c17bc40a5be4e3604ddc3b7"`
[INFO] running `"docker" "rm" "-f" "c0222a22dc318f2e4b8a73ae890e9d2ce879e06f6c17bc40a5be4e3604ddc3b7"`
[INFO] [stdout] c0222a22dc318f2e4b8a73ae890e9d2ce879e06f6c17bc40a5be4e3604ddc3b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cuckoo/0.7.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fd69a25fea63d6e2a3af79ab91e8628ba3ec74be9322612eca8ba474859b669d
[INFO] running `"docker" "start" "-a" "fd69a25fea63d6e2a3af79ab91e8628ba3ec74be9322612eca8ba474859b669d"`
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling cuckoo v0.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `"docker" "inspect" "fd69a25fea63d6e2a3af79ab91e8628ba3ec74be9322612eca8ba474859b669d"`
[INFO] running `"docker" "rm" "-f" "fd69a25fea63d6e2a3af79ab91e8628ba3ec74be9322612eca8ba474859b669d"`
[INFO] [stdout] fd69a25fea63d6e2a3af79ab91e8628ba3ec74be9322612eca8ba474859b669d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cuckoo/0.7.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b3ea79b60b3f8a012232ff3ac8eec5150aac2a877e48c4e7f45b209c89c7bbe4
[INFO] running `"docker" "start" "-a" "b3ea79b60b3f8a012232ff3ac8eec5150aac2a877e48c4e7f45b209c89c7bbe4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cuckoo-2eeda4b4797a7bbe
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::sort_algorithm ... ok
[INFO] [stdout] test tests::simple_fn_optim ... ok
[INFO] [stdout] test tests::test_rosenbrok_function ... ok
[INFO] [stdout] test tests::test_u_2_function ... ok
[INFO] [stderr]    Doc-tests cuckoo
[INFO] [stdout] test tests::test_rastigrin_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b3ea79b60b3f8a012232ff3ac8eec5150aac2a877e48c4e7f45b209c89c7bbe4"`
[INFO] running `"docker" "rm" "-f" "b3ea79b60b3f8a012232ff3ac8eec5150aac2a877e48c4e7f45b209c89c7bbe4"`
[INFO] [stdout] b3ea79b60b3f8a012232ff3ac8eec5150aac2a877e48c4e7f45b209c89c7bbe4