[INFO] fetching crate matrix_algebra 0.1.0...
[INFO] testing matrix_algebra-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate matrix_algebra 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate matrix_algebra 0.1.0
[INFO] finished tweaking crates.io crate matrix_algebra 0.1.0
[INFO] tweaked toml for crates.io crate matrix_algebra 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix_algebra 0.1.0 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 matrix_algebra 0.1.0 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] f437c4d23abed7b945c9ffcfa2ecdddf3e111f95cc0050ab430ad85193ca8c73
[INFO] running `Command { std: "docker" "start" "-a" "f437c4d23abed7b945c9ffcfa2ecdddf3e111f95cc0050ab430ad85193ca8c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f437c4d23abed7b945c9ffcfa2ecdddf3e111f95cc0050ab430ad85193ca8c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f437c4d23abed7b945c9ffcfa2ecdddf3e111f95cc0050ab430ad85193ca8c73", kill_on_drop: false }`
[INFO] [stdout] f437c4d23abed7b945c9ffcfa2ecdddf3e111f95cc0050ab430ad85193ca8c73
[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] ff33d4f43bbd7eed4bcb38d263d1e9aa3cf97c83569b0234b95ee241fea93ba2
[INFO] running `Command { std: "docker" "start" "-a" "ff33d4f43bbd7eed4bcb38d263d1e9aa3cf97c83569b0234b95ee241fea93ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "ff33d4f43bbd7eed4bcb38d263d1e9aa3cf97c83569b0234b95ee241fea93ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff33d4f43bbd7eed4bcb38d263d1e9aa3cf97c83569b0234b95ee241fea93ba2", kill_on_drop: false }`
[INFO] [stdout] ff33d4f43bbd7eed4bcb38d263d1e9aa3cf97c83569b0234b95ee241fea93ba2
[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] b443ad945671f930d0f227b0b60163a86d45f630305cbe41587da32e557222ae
[INFO] running `Command { std: "docker" "start" "-a" "b443ad945671f930d0f227b0b60163a86d45f630305cbe41587da32e557222ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/matrix/matrix_neg.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(--&m1, Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(-(-&m1), Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                 +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of a double negation
[INFO] [stdout]   --> src/matrix/matrix_neg.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(--&m1, Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stdout]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stdout]    = note: `#[warn(double_negations)]` on by default
[INFO] [stdout] help: add parentheses for clarity
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(-(-&m1), Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stdout]    |                 +    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "b443ad945671f930d0f227b0b60163a86d45f630305cbe41587da32e557222ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b443ad945671f930d0f227b0b60163a86d45f630305cbe41587da32e557222ae", kill_on_drop: false }`
[INFO] [stdout] b443ad945671f930d0f227b0b60163a86d45f630305cbe41587da32e557222ae
[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] 475616bdf17a9941d8857d2e46032fd60fb1fe9227997977b1208d74fc67848a
[INFO] running `Command { std: "docker" "start" "-a" "475616bdf17a9941d8857d2e46032fd60fb1fe9227997977b1208d74fc67848a", kill_on_drop: false }`
[INFO] [stderr] warning: use of a double negation
[INFO] [stderr]   --> src/matrix/matrix_neg.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 |     assert_eq!(--&m1, Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages
[INFO] [stderr]    = note: use `-= 1` if you meant to decrement the value
[INFO] [stderr]    = note: `#[warn(double_negations)]` on by default
[INFO] [stderr] help: add parentheses for clarity
[INFO] [stderr]    |
[INFO] [stderr] 34 |     assert_eq!(-(-&m1), Matrix::create_from_data(vec![1, 0, 0, 1], 2, 2));
[INFO] [stderr]    |                 +    +
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix_algebra` (bin "matrix_algebra" test) generated 1 warning
[INFO] [stderr] warning: `matrix_algebra` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_algebra-62d6705b1aaa3261)
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_3 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_4 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_3 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_1 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_2 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_4 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_4 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_2 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_1 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_2 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_3 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_4 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_2 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_6 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_7 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_3 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_4 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_2 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_1 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_2 ... ok
[INFO] [stdout] test matrix::tests::test_iter ... ok
[INFO] [stdout] test matrix::tests::test_iter_mut ... ok
[INFO] [stdout] test matrix::tests::test_get_col_1 ... ok
[INFO] [stdout] test matrix::tests::test_get_row_2 ... ok
[INFO] [stdout] test matrix::tests::test_trans ... ok
[INFO] [stdout] test matrix::tests::test_get_row_1 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_1 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_1 ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix_algebra-c6b0161437f9d14a)
[INFO] [stdout] test matrix::matrix_add::tests::test_add_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_1 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_2 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_1 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_4 ... ok
[INFO] [stdout] test matrix::func_apply::tests::test_func_apply_3 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_2 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_4 ... ok
[INFO] [stdout] test matrix::matrix_add::tests::test_add_3 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_3 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_1 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::tes_div_4 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_div::tests::test_div_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_2 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_3 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::tes_rem_4 ... ok
[INFO] [stdout] test matrix::matrix_neg::tests::test_neg_1 ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_1 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_5 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_7 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_6 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_1 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_2 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_4 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_1 ... ok
[INFO] [stdout] test matrix::matrix_mul::tests::test_mul_3 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_3 ... ok
[INFO] [stdout] test matrix::tests::test_get_col_2 ... ok
[INFO] [stdout] test matrix::tests::test_get_row_1 ... ok
[INFO] [stdout] test matrix::tests::test_iter ... ok
[INFO] [stdout] test matrix::tests::test_get_row_2 ... ok
[INFO] [stdout] test matrix::tests::test_trans ... ok
[INFO] [stdout] test matrix::tests::test_iter_mut ... ok
[INFO] [stdout] test matrix::matrix_rem::tests::test_rem_2 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_4 ... ok
[INFO] [stdout] test matrix::matrix_scalar_mul::tests::test_scalar_mul_2 ... ok
[INFO] [stdout] test matrix::matrix_sub::tests::test_sub_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrix_algebra
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "475616bdf17a9941d8857d2e46032fd60fb1fe9227997977b1208d74fc67848a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475616bdf17a9941d8857d2e46032fd60fb1fe9227997977b1208d74fc67848a", kill_on_drop: false }`
[INFO] [stdout] 475616bdf17a9941d8857d2e46032fd60fb1fe9227997977b1208d74fc67848a