[INFO] fetching crate mgh 0.1.16...
[INFO] testing mgh-0.1.16 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mgh 0.1.16 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mgh 0.1.16
[INFO] finished tweaking crates.io crate mgh 0.1.16
[INFO] tweaked toml for crates.io crate mgh 0.1.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mgh 0.1.16 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mgh 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d1d1fc7b01d0e81569ace2cc6813feecf4880e7f5a977a7dc6d9b134401b16
[INFO] running `Command { std: "docker" "start" "-a" "d2d1d1fc7b01d0e81569ace2cc6813feecf4880e7f5a977a7dc6d9b134401b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d1d1fc7b01d0e81569ace2cc6813feecf4880e7f5a977a7dc6d9b134401b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d1d1fc7b01d0e81569ace2cc6813feecf4880e7f5a977a7dc6d9b134401b16", kill_on_drop: false }`
[INFO] [stdout] d2d1d1fc7b01d0e81569ace2cc6813feecf4880e7f5a977a7dc6d9b134401b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11dde3af601892684d4005470e145c52eccc1a649ff0f01806a0801b5813c7cf
[INFO] running `Command { std: "docker" "start" "-a" "11dde3af601892684d4005470e145c52eccc1a649ff0f01806a0801b5813c7cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling mgh v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "11dde3af601892684d4005470e145c52eccc1a649ff0f01806a0801b5813c7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dde3af601892684d4005470e145c52eccc1a649ff0f01806a0801b5813c7cf", kill_on_drop: false }`
[INFO] [stdout] 11dde3af601892684d4005470e145c52eccc1a649ff0f01806a0801b5813c7cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d22ace459f01d4b3a21aa9eee09b425ef8074eb96396ed6a4b4c913aa87603d
[INFO] running `Command { std: "docker" "start" "-a" "7d22ace459f01d4b3a21aa9eee09b425ef8074eb96396ed6a4b4c913aa87603d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mgh v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "7d22ace459f01d4b3a21aa9eee09b425ef8074eb96396ed6a4b4c913aa87603d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d22ace459f01d4b3a21aa9eee09b425ef8074eb96396ed6a4b4c913aa87603d", kill_on_drop: false }`
[INFO] [stdout] 7d22ace459f01d4b3a21aa9eee09b425ef8074eb96396ed6a4b4c913aa87603d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2101577bac3dbc048a6306560348b0cfe3f2860cada9f13f0b134efb9636ed7
[INFO] running `Command { std: "docker" "start" "-a" "d2101577bac3dbc048a6306560348b0cfe3f2860cada9f13f0b134efb9636ed7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mgh-85a49e70d3761f92)
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test problems::bard::tests::test_min ... ok
[INFO] [stdout] test problems::beale::tests::test_min ... ok
[INFO] [stdout] test problems::bard::tests::test_bard ... ok
[INFO] [stdout] test problems::beale::tests::test_beale ... ok
[INFO] [stdout] test problems::biggs_exp6::tests::test_min ... ok
[INFO] [stdout] test problems::box_3d::tests::test_box_3d ... ok
[INFO] [stdout] test problems::brown_almost_linear::tests::test_brown_almost_linear ... ok
[INFO] [stdout] test problems::brown_almost_linear::tests::test_min ... ok
[INFO] [stdout] test problems::brown_badly_scaled::tests::test_brown_badly_scaled ... ok
[INFO] [stdout] test problems::broyden_banded::tests::test_broyden_banded ... ok
[INFO] [stdout] test problems::broyden_banded::tests::test_value_n10 ... ok
[INFO] [stdout] test problems::broyden_tridiagonal::tests::test_broyden_tridiagonal ... ok
[INFO] [stdout] test problems::broyden_tridiagonal::tests::test_value_n10 ... ok
[INFO] [stdout] test problems::chebyquad::tests::test_chebyquad ... ok
[INFO] [stdout] test problems::chebyquad::tests::test_optimal_values ... ok
[INFO] [stdout] test problems::discrete_integral_equation::tests::test_discrete_integral_equation ... ok
[INFO] [stdout] test problems::extended_powell_singular::tests::test_value_n4 ... ok
[INFO] [stdout] test problems::brown_almost_linear::tests::test_secondary_solution ... ok
[INFO] [stdout] test problems::extended_rosenbrock::tests::test_extended_rosenbrock ... ok
[INFO] [stdout] test problems::extended_rosenbrock::tests::test_min ... ok
[INFO] [stdout] test problems::discrete_boundary_value::tests::test_discrete_boundary_value ... ok
[INFO] [stdout] test problems::freudenstein_and_roth::tests::test_freudenstein_and_roth ... ok
[INFO] [stdout] test problems::freudenstein_and_roth::tests::test_min ... ok
[INFO] [stdout] test problems::gaussian::tests::test_gaussian ... ok
[INFO] [stdout] test problems::brown_and_dennis::tests::test_brown_and_dennis ... ok
[INFO] [stdout] test problems::gaussian::tests::test_global_minimum ... ok
[INFO] [stdout] test problems::extended_powell_singular::tests::test_extended_powell_singular ... ok
[INFO] [stdout] test problems::brown_and_dennis::tests::test_global_minimum ... ok
[INFO] [stdout] test problems::brown_badly_scaled::tests::test_min ... ok
[INFO] [stdout] test problems::gulf_research_and_development::tests::test_min ... ok
[INFO] [stdout] test problems::extended_powell_singular::tests::test_min ... ok
[INFO] [stdout] test problems::gulf_research_and_development::tests::test_gulf_research_and_development ... ok
[INFO] [stdout] test problems::jennrich_and_sampson::tests::test_jennrich_and_sampson ... ok
[INFO] [stdout] test problems::kowalik_and_osborne::tests::test_kowalik_and_osborne ... ok
[INFO] [stdout] test problems::linear_full_rank::tests::test_min ... ok
[INFO] [stdout] test problems::linear_rank_1::tests::test_linear_rank_1 ... ok
[INFO] [stdout] test problems::linear_rank_1_zero::tests::test_optimal_value ... ok
[INFO] [stdout] test problems::hellical_valley::tests::test_hellical_valley ... ok
[INFO] [stdout] test problems::linear_rank_1::tests::test_optimal_value ... ok
[INFO] [stdout] test problems::jennrich_and_sampson::tests::test_min ... ok
[INFO] [stdout] test problems::hellical_valley::tests::test_min ... ok
[INFO] [stdout] test problems::linear_full_rank::tests::test_linear_full_rank ... ok
[INFO] [stdout] test problems::meyer::tests::test_meyer ... ok
[INFO] [stdout] test problems::penalty1::tests::test_penalty1 ... ok
[INFO] [stdout] test problems::powell_badly_scaled::tests::test_min ... ok
[INFO] [stdout] test problems::powell_badly_scaled::tests::test_powell_badly_scaled ... ok
[INFO] [stdout] test problems::powell_singular::tests::test_min ... ok
[INFO] [stdout] test problems::rosenbrock::tests::test_rosenbrock ... ok
[INFO] [stdout] test problems::variably_dimensioned::tests::test_min ... ok
[INFO] [stdout] test problems::trigonometric::tests::test_trigonometric ... ok
[INFO] [stdout] test problems::variably_dimensioned::tests::test_variably_dimensioned ... ok
[INFO] [stdout] test problems::watson::tests::test_value_n6 ... ok
[INFO] [stdout] test problems::osborne_2::tests::test_osborne_2 ... ok
[INFO] [stdout] test problems::rosenbrock::tests::test_min ... ok
[INFO] [stdout] test problems::penalty2::tests::test_penalty2 ... ok
[INFO] [stdout] test problems::wood::tests::test_min ... ok
[INFO] [stdout] test problems::watson::tests::test_watson ... ok
[INFO] [stdout] test problems::wood::tests::test_wood ... ok
[INFO] [stdout] test problems::powell_singular::tests::test_powell_singular ... ok
[INFO] [stdout] test problems::box_3d::tests::test_min ... ok
[INFO] [stdout] test problems::osborne_1::tests::test_osborne_1 ... ok
[INFO] [stdout] test problems::linear_rank_1_zero::tests::test_linear_rank_1_zero ... ok
[INFO] [stdout] test problems::biggs_exp6::tests::test_biggs_exp6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mgh
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2101577bac3dbc048a6306560348b0cfe3f2860cada9f13f0b134efb9636ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2101577bac3dbc048a6306560348b0cfe3f2860cada9f13f0b134efb9636ed7", kill_on_drop: false }`
[INFO] [stdout] d2101577bac3dbc048a6306560348b0cfe3f2860cada9f13f0b134efb9636ed7