[INFO] fetching crate optimization 0.2.0...
[INFO] testing optimization-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate optimization 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate optimization 0.2.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optimization 0.2.0
[INFO] finished tweaking crates.io crate optimization 0.2.0
[INFO] tweaked toml for crates.io crate optimization 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate optimization 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.10
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c93c142e88f95fdb1a03b2550d1805beaf52d1173bb3cee900fd03a9e76c7b
[INFO] running `Command { std: "docker" "start" "-a" "04c93c142e88f95fdb1a03b2550d1805beaf52d1173bb3cee900fd03a9e76c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c93c142e88f95fdb1a03b2550d1805beaf52d1173bb3cee900fd03a9e76c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c93c142e88f95fdb1a03b2550d1805beaf52d1173bb3cee900fd03a9e76c7b", kill_on_drop: false }`
[INFO] [stdout] 04c93c142e88f95fdb1a03b2550d1805beaf52d1173bb3cee900fd03a9e76c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce02c99d76596cf8efebd59cce45f808614961c2d79f597e6d8814e7903cf266
[INFO] running `Command { std: "docker" "start" "-a" "ce02c99d76596cf8efebd59cce45f808614961c2d79f597e6d8814e7903cf266", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling optimization v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "ce02c99d76596cf8efebd59cce45f808614961c2d79f597e6d8814e7903cf266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce02c99d76596cf8efebd59cce45f808614961c2d79f597e6d8814e7903cf266", kill_on_drop: false }`
[INFO] [stdout] ce02c99d76596cf8efebd59cce45f808614961c2d79f597e6d8814e7903cf266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f94a0f4a6b2659c0955ba60f5573aca8f3665042233c6cc2fa4c6b2ddb5b3cd
[INFO] running `Command { std: "docker" "start" "-a" "0f94a0f4a6b2659c0955ba60f5573aca8f3665042233c6cc2fa4c6b2ddb5b3cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling optimization v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "0f94a0f4a6b2659c0955ba60f5573aca8f3665042233c6cc2fa4c6b2ddb5b3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f94a0f4a6b2659c0955ba60f5573aca8f3665042233c6cc2fa4c6b2ddb5b3cd", kill_on_drop: false }`
[INFO] [stdout] 0f94a0f4a6b2659c0955ba60f5573aca8f3665042233c6cc2fa4c6b2ddb5b3cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 416797d0ef04d5fe7ef084589e00d51a84e8357cfc56e6645a1de9a07c0ecca1
[INFO] running `Command { std: "docker" "start" "-a" "416797d0ef04d5fe7ef084589e00d51a84e8357cfc56e6645a1de9a07c0ecca1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/optimization-a04970b18b27bc8f)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test gd::tests::sphere ... ok
[INFO] [stdout] test utils::tests::test_is_saddle_point ... ok
[INFO] [stdout] test utils::tests::test_are_close ... ok
[INFO] [stdout] test numeric::tests::test_gd_sphere ... ok
[INFO] [stdout] test numeric::tests::test_accuracy ... 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; finished in 4.53s
[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; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "416797d0ef04d5fe7ef084589e00d51a84e8357cfc56e6645a1de9a07c0ecca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416797d0ef04d5fe7ef084589e00d51a84e8357cfc56e6645a1de9a07c0ecca1", kill_on_drop: false }`
[INFO] [stdout] 416797d0ef04d5fe7ef084589e00d51a84e8357cfc56e6645a1de9a07c0ecca1