[INFO] crate optimization 0.1.0 is already in cache
[INFO] extracting crate optimization 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/optimization/0.1.0
[INFO] extracting crate optimization 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimization/0.1.0
[INFO] validating manifest of optimization-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of optimization-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing optimization-0.1.0
[INFO] finished frobbing optimization-0.1.0
[INFO] frobbed toml for optimization-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/optimization/0.1.0/Cargo.toml
[INFO] started frobbing optimization-0.1.0
[INFO] finished frobbing optimization-0.1.0
[INFO] frobbed toml for optimization-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimization/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing optimization-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimization/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a9fdca1a038053848da4bf4b4020fc418b705a24d387fac6607722663758d05d
[INFO] running `"docker" "start" "-a" "a9fdca1a038053848da4bf4b4020fc418b705a24d387fac6607722663758d05d"`
[INFO] [stderr]    Compiling optimization v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "a9fdca1a038053848da4bf4b4020fc418b705a24d387fac6607722663758d05d"`
[INFO] running `"docker" "rm" "-f" "a9fdca1a038053848da4bf4b4020fc418b705a24d387fac6607722663758d05d"`
[INFO] [stdout] a9fdca1a038053848da4bf4b4020fc418b705a24d387fac6607722663758d05d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimization/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3c897e99df80ab0a167a2eac9dbe01506a94b0b971fb15484915c7d191ec515f
[INFO] running `"docker" "start" "-a" "3c897e99df80ab0a167a2eac9dbe01506a94b0b971fb15484915c7d191ec515f"`
[INFO] [stderr]    Compiling optimization v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `"docker" "inspect" "3c897e99df80ab0a167a2eac9dbe01506a94b0b971fb15484915c7d191ec515f"`
[INFO] running `"docker" "rm" "-f" "3c897e99df80ab0a167a2eac9dbe01506a94b0b971fb15484915c7d191ec515f"`
[INFO] [stdout] 3c897e99df80ab0a167a2eac9dbe01506a94b0b971fb15484915c7d191ec515f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/optimization/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 545f927b77079e417107048f8ddbe2e6bad2b054fe09c6ecdb064ccfa307e57b
[INFO] running `"docker" "start" "-a" "545f927b77079e417107048f8ddbe2e6bad2b054fe09c6ecdb064ccfa307e57b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/optimization-6198da26d2da5433
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test utils::tests::test_is_saddle_point ... ok
[INFO] [stdout] test utils::tests::test_are_close ... ok
[INFO] [stdout] test gd::tests::sphere ... ok
[INFO] [stdout] test numeric::tests::test_accuracy ... ok
[INFO] [stdout] test numeric::tests::test_gd_sphere ... ok
[INFO] [stdout] test gd::tests::rosenbrock ... ok
[INFO] [stdout] test numeric::tests::test_gd_rosenbrock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optimization
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/numeric.rs - numeric::NumericalDifferentiation (line 13) ... 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" "545f927b77079e417107048f8ddbe2e6bad2b054fe09c6ecdb064ccfa307e57b"`
[INFO] running `"docker" "rm" "-f" "545f927b77079e417107048f8ddbe2e6bad2b054fe09c6ecdb064ccfa307e57b"`
[INFO] [stdout] 545f927b77079e417107048f8ddbe2e6bad2b054fe09c6ecdb064ccfa307e57b