[INFO] fetching crate neumann 0.1.0...
[INFO] testing neumann-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate neumann 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate neumann 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neumann 0.1.0
[INFO] finished tweaking crates.io crate neumann 0.1.0
[INFO] tweaked toml for crates.io crate neumann 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate neumann 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded average v0.10.6
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded sprs v0.7.1
[INFO] [stderr]   Downloaded polynomials v0.2.4
[INFO] [stderr]   Downloaded getset v0.1.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded fasteval v0.2.4
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] [stderr]   Downloaded num-rational v0.3.0
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded minilp v0.2.2
[INFO] [stderr]   Downloaded preexplorer v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f26ee8eb4714bae69253fdf8e68cbd610edaf85b0103a0e20066fc0826298326
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f26ee8eb4714bae69253fdf8e68cbd610edaf85b0103a0e20066fc0826298326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f26ee8eb4714bae69253fdf8e68cbd610edaf85b0103a0e20066fc0826298326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26ee8eb4714bae69253fdf8e68cbd610edaf85b0103a0e20066fc0826298326", kill_on_drop: false }`
[INFO] [stdout] f26ee8eb4714bae69253fdf8e68cbd610edaf85b0103a0e20066fc0826298326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4142c78c1053c352a315b0d4c9d8654ee6286a4a5ade1647153b381cf1bd8778
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4142c78c1053c352a315b0d4c9d8654ee6286a4a5ade1647153b381cf1bd8778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling fasteval v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling sprs v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling minilp v0.2.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling polynomials v0.2.4
[INFO] [stderr]    Compiling neumann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.19s
[INFO] running `Command { std: "docker" "inspect" "4142c78c1053c352a315b0d4c9d8654ee6286a4a5ade1647153b381cf1bd8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4142c78c1053c352a315b0d4c9d8654ee6286a4a5ade1647153b381cf1bd8778", kill_on_drop: false }`
[INFO] [stdout] 4142c78c1053c352a315b0d4c9d8654ee6286a4a5ade1647153b381cf1bd8778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a2b772ecf64799b7e2308e3662c142997ce7475ad24bbe0874ae88d62e263af
[INFO] running `Command { std: "docker" "start" "-a" "1a2b772ecf64799b7e2308e3662c142997ce7475ad24bbe0874ae88d62e263af", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling average v0.10.6
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling preexplorer v0.3.3
[INFO] [stderr]    Compiling neumann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "1a2b772ecf64799b7e2308e3662c142997ce7475ad24bbe0874ae88d62e263af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2b772ecf64799b7e2308e3662c142997ce7475ad24bbe0874ae88d62e263af", kill_on_drop: false }`
[INFO] [stdout] 1a2b772ecf64799b7e2308e3662c142997ce7475ad24bbe0874ae88d62e263af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a12d680f74b21ea32826ad7d456633771acd1fb94a8919db53f5d612ba06cb16
[INFO] running `Command { std: "docker" "start" "-a" "a12d680f74b21ea32826ad7d456633771acd1fb94a8919db53f5d612ba06cb16", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neumann-bfa45e61698be872)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test matrix_game::polynomial::helper::tests::computing_cofactor::two_by_two_linear_polynomials_0_0_ ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::computing_cofactor::two_by_two_linear_polynomials_1_1_ ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::computing_cofactor::two_by_two_linear_polynomials_0_1_ ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::computing_determinant::linear ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::computing_determinant::quadratic ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::reducing_coordinate::two_by_two_linear_polynomials_1_0_ ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::reducing_coordinate::two_by_two_linear_polynomials_0_0_ ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::reducing_coordinate::two_by_two_linear_polynomials_0_1_ ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::reducing_coordinate::two_by_two_linear_polynomials_1_1_ ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::not_uniform_value_positive_easy ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_functional_form_value::linear ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_functional_form_value::quadratic ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::uniform_value_positive_easy ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::construction::valid_construction ... ok
[INFO] [stdout] test matrix_game::polynomial::helper::tests::computing_cofactor::two_by_two_linear_polynomials_1_0_ ... ok
[INFO] [stdout] test matrix_game::tests::checking_dimensions::_2x3 ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_value_positivity::value_positive_medium ... ok
[INFO] [stdout] test matrix_game::tests::checking_dimensions::_2x2 ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::not_uniform_value_positive_hard ... ok
[INFO] [stdout] test matrix_game::tests::construction ... ok
[INFO] [stdout] test matrix_game::tests::computing_value::positive_value ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::not_uniform_value_positive_medium ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_value_positivity::not_value_positive ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_value_positivity::value_positive_easy ... ok
[INFO] [stdout] test matrix_game::tests::row_solving::rock_paper_scisors ... ok
[INFO] [stdout] test matrix_game::tests::solving::positive_value_with_extra_strategy ... ok
[INFO] [stdout] test matrix_game::tests::computing_value::rock_paper_scisors ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::uniform_value_positive_medium_hard_polynomial ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::uniform_value_positive_easy_polynomial ... ok
[INFO] [stdout] test matrix_game::tests::row_solving::positive_value ... ok
[INFO] [stdout] test matrix_game::tests::solving::positive_value ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::uniform_value_positive_hard_polynomial ... ok
[INFO] [stdout] test matrix_game::tests::solving::rock_paper_scisors ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::uniform_value_positive_medium_polynomial ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::computing_uniform_value_positivity::not_uniform_value_positive_medium_polynomial ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::construction::invalid_construction_empty_vector - should panic ... ok
[INFO] [stdout] test matrix_game::polynomial::tests::construction::invalid_construction_different_shapes - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neumann
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name neumann --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-bcb04beb1731e805.rlib --extern fasteval=/opt/rustwide/target/debug/deps/libfasteval-1ad47f87d68cc70b.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-90d213abf8934f91.rlib --extern minilp=/opt/rustwide/target/debug/deps/libminilp-b67b60551d401694.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-13ea679f7a44bd68.rlib --extern neumann=/opt/rustwide/target/debug/deps/libneumann-552976ec1993707b.rlib --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-0fac0d5f277952bf.rlib --extern polynomials=/opt/rustwide/target/debug/deps/libpolynomials-a7c490d2a2d2c0e9.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-b1bc422892ecf06b.rlib --extern test_case=/opt/rustwide/target/debug/deps/libtest_case-d99e6055b39a4897.so -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a12d680f74b21ea32826ad7d456633771acd1fb94a8919db53f5d612ba06cb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12d680f74b21ea32826ad7d456633771acd1fb94a8919db53f5d612ba06cb16", kill_on_drop: false }`
[INFO] [stdout] a12d680f74b21ea32826ad7d456633771acd1fb94a8919db53f5d612ba06cb16