[INFO] fetching crate linalgrs 0.3.1...
[INFO] testing linalgrs-0.3.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate linalgrs 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate linalgrs 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate linalgrs 0.3.1
[INFO] tweaked toml for crates.io crate linalgrs 0.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linalgrs 0.3.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linalgrs 0.3.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c8ea126f13b4bae4d423523baf601232c8dbd964521982c4e87fa2cc228c84b
[INFO] running `Command { std: "docker" "start" "-a" "0c8ea126f13b4bae4d423523baf601232c8dbd964521982c4e87fa2cc228c84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c8ea126f13b4bae4d423523baf601232c8dbd964521982c4e87fa2cc228c84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8ea126f13b4bae4d423523baf601232c8dbd964521982c4e87fa2cc228c84b", kill_on_drop: false }`
[INFO] [stdout] 0c8ea126f13b4bae4d423523baf601232c8dbd964521982c4e87fa2cc228c84b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5b2f3bd7edbeb84ea28d94739bdaa0196277e728600026bdc38c7ca5d42275b
[INFO] running `Command { std: "docker" "start" "-a" "a5b2f3bd7edbeb84ea28d94739bdaa0196277e728600026bdc38c7ca5d42275b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling linalgrs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "a5b2f3bd7edbeb84ea28d94739bdaa0196277e728600026bdc38c7ca5d42275b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b2f3bd7edbeb84ea28d94739bdaa0196277e728600026bdc38c7ca5d42275b", kill_on_drop: false }`
[INFO] [stdout] a5b2f3bd7edbeb84ea28d94739bdaa0196277e728600026bdc38c7ca5d42275b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836472086fb6bad6360d2014969bdcde2d775959b42a773c0d318ee472f82e27
[INFO] running `Command { std: "docker" "start" "-a" "836472086fb6bad6360d2014969bdcde2d775959b42a773c0d318ee472f82e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling linalgrs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "836472086fb6bad6360d2014969bdcde2d775959b42a773c0d318ee472f82e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836472086fb6bad6360d2014969bdcde2d775959b42a773c0d318ee472f82e27", kill_on_drop: false }`
[INFO] [stdout] 836472086fb6bad6360d2014969bdcde2d775959b42a773c0d318ee472f82e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f68074ad7c2fb830946db4235183e45aa4deee497af34f70050a86770762ab73
[INFO] running `Command { std: "docker" "start" "-a" "f68074ad7c2fb830946db4235183e45aa4deee497af34f70050a86770762ab73", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linalgrs-c1883041bb835c4b)
[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] [stderr]      Running tests/determinant_tests.rs (/opt/rustwide/target/debug/deps/determinant_tests-3fe1cf46c0231b8d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test determinant_tests::test_determinant_1x1 ... ok
[INFO] [stdout] test determinant_tests::test_determinant_4x4 ... ok
[INFO] [stdout] test determinant_tests::test_determinant_3x3 ... ok
[INFO] [stdout] test determinant_tests::test_non_square_matrix ... ok
[INFO] [stdout] test determinant_tests::test_determinant_2x2 ... ok
[INFO] [stderr]      Running tests/gaussian_elimination_tests.rs (/opt/rustwide/target/debug/deps/gaussian_elimination_tests-0d56c7677ecdb533)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test gaussian_elimination_tests::test_gaussian_elimination_unique_solution ... ok
[INFO] [stdout] test gaussian_elimination_tests::test_gaussian_elimination_no_solution ... ok
[INFO] [stdout] test gaussian_elimination_tests::test_gaussian_elimination_infinitely_many_solutions ... ok
[INFO] [stdout] test gaussian_elimination_tests::test_row_echelon_form ... ok
[INFO] [stderr]      Running tests/inverse_matrix_tests.rs (/opt/rustwide/target/debug/deps/inverse_matrix_tests-79b0d8cd9648ff0f)
[INFO] [stdout] test gaussian_elimination_tests::test_rref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_inverse_matrices::test_inverse ... ok
[INFO] [stdout] test test_inverse_matrices::test_non_invertible_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/matrix_operations_tests.rs (/opt/rustwide/target/debug/deps/matrix_operations_tests-2f11e467e78b6e26)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test matrix_operations_tests::test_add_matrix_different_shape ... ok
[INFO] [stdout] test matrix_operations_tests::test_add_matrix ... ok
[INFO] [stdout] test matrix_operations_tests::test_dot_product ... ok
[INFO] [stdout] test matrix_operations_tests::test_dot_product_error ... ok
[INFO] [stdout] test matrix_operations_tests::test_lu_decomposition ... ok
[INFO] [stdout] test matrix_operations_tests::test_multiply_by_scalar ... ok
[INFO] [stdout] test matrix_operations_tests::test_multiply_by_scalar_with_decimals ... ok
[INFO] [stdout] test matrix_operations_tests::test_lu_decomposition_non_square_matrix ... ok
[INFO] [stdout] test matrix_operations_tests::test_subtract_matrix ... ok
[INFO] [stdout] test matrix_operations_tests::test_multiply_matrix ... ok
[INFO] [stdout] test matrix_operations_tests::test_multiply_matrix_error ... ok
[INFO] [stdout] test matrix_operations_tests::test_sub_matrix ... ok
[INFO] [stdout] test matrix_operations_tests::test_gauss_jordan_elimination_unique_solution ... ok
[INFO] [stderr]      Running tests/matrix_tests.rs (/opt/rustwide/target/debug/deps/matrix_tests-349aa78daa0f3854)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test matrix_tests::test_dbg_derive ... ok
[INFO] [stdout] test matrix_tests::test_display_derive ... ok
[INFO] [stdout] test matrix_tests::test_identity ... ok
[INFO] [stdout] test matrix_tests::test_shape ... ok
[INFO] [stdout] test matrix_tests::test_matrix_macro ... ok
[INFO] [stdout] test matrix_tests::test_matrix ... ok
[INFO] [stderr]    Doc-tests linalgrs
[INFO] [stdout] test matrix_tests::test_transpose ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f68074ad7c2fb830946db4235183e45aa4deee497af34f70050a86770762ab73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68074ad7c2fb830946db4235183e45aa4deee497af34f70050a86770762ab73", kill_on_drop: false }`
[INFO] [stdout] f68074ad7c2fb830946db4235183e45aa4deee497af34f70050a86770762ab73