[INFO] cloning repository https://github.com/PTFOPlayer/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PTFOPlayer/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPTFOPlayer%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPTFOPlayer%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0af4fc073753b693235daa02a915ce32d85a6aee
[INFO] testing PTFOPlayer/matrix against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPTFOPlayer%2Fmatrix" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PTFOPlayer/matrix
[INFO] finished tweaking git repo https://github.com/PTFOPlayer/matrix
[INFO] tweaked toml for git repo https://github.com/PTFOPlayer/matrix written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PTFOPlayer/matrix on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PTFOPlayer/matrix 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 817f5ee4d5647e0a34ea5018c96bcde8a916617f2ce4ea74d7a851edf141f60d
[INFO] running `Command { std: "docker" "start" "-a" "817f5ee4d5647e0a34ea5018c96bcde8a916617f2ce4ea74d7a851edf141f60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817f5ee4d5647e0a34ea5018c96bcde8a916617f2ce4ea74d7a851edf141f60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817f5ee4d5647e0a34ea5018c96bcde8a916617f2ce4ea74d7a851edf141f60d", kill_on_drop: false }`
[INFO] [stdout] 817f5ee4d5647e0a34ea5018c96bcde8a916617f2ce4ea74d7a851edf141f60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47c34c4c615ce3e8a223e313ed22cdcb8634667e7df65c50476319c54e7a2d4
[INFO] running `Command { std: "docker" "start" "-a" "d47c34c4c615ce3e8a223e313ed22cdcb8634667e7df65c50476319c54e7a2d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[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 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 matrix_lib v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `parallel`
[INFO] [stdout]   --> src/lib.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(target_feature = "parallel")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, and `avx512f` and 428 more
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `usize` to itself
[INFO] [stdout]   --> src/functions.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         temp_sizes.x = temp_sizes.x;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `Command { std: "docker" "inspect" "d47c34c4c615ce3e8a223e313ed22cdcb8634667e7df65c50476319c54e7a2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47c34c4c615ce3e8a223e313ed22cdcb8634667e7df65c50476319c54e7a2d4", kill_on_drop: false }`
[INFO] [stdout] d47c34c4c615ce3e8a223e313ed22cdcb8634667e7df65c50476319c54e7a2d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64892bb1037c9982d38a555ed90d9bcbbcb117b57357ce2276d10c623ed8dd08
[INFO] running `Command { std: "docker" "start" "-a" "64892bb1037c9982d38a555ed90d9bcbbcb117b57357ce2276d10c623ed8dd08", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stdout] warning: unexpected `cfg` condition value: `parallel`
[INFO] [stdout]   --> src/lib.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(target_feature = "parallel")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, and `avx512f` and 428 more
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matrix_lib v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless assignment of field of type `usize` to itself
[INFO] [stdout]   --> src/functions.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         temp_sizes.x = temp_sizes.x;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `parallel`
[INFO] [stdout]   --> src/lib.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(target_feature = "parallel")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, and `avx512f` and 428 more
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `usize` to itself
[INFO] [stdout]   --> src/functions.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         temp_sizes.x = temp_sizes.x;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "64892bb1037c9982d38a555ed90d9bcbbcb117b57357ce2276d10c623ed8dd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64892bb1037c9982d38a555ed90d9bcbbcb117b57357ce2276d10c623ed8dd08", kill_on_drop: false }`
[INFO] [stdout] 64892bb1037c9982d38a555ed90d9bcbbcb117b57357ce2276d10c623ed8dd08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 395fd4554f765fda3c0c558eaab92823fdc9558f3e455edf9fedc441e2268c0a
[INFO] running `Command { std: "docker" "start" "-a" "395fd4554f765fda3c0c558eaab92823fdc9558f3e455edf9fedc441e2268c0a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr] warning: unexpected `cfg` condition value: `parallel`
[INFO] [stderr]   --> src/lib.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[cfg(target_feature = "parallel")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, and `avx512f` and 428 more
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless assignment of field of type `usize` to itself
[INFO] [stderr]   --> src/functions.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         temp_sizes.x = temp_sizes.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix_lib` (lib) generated 2 warnings
[INFO] [stderr] warning: `matrix_lib` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_lib-5415fea22e16adda)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr]    Doc-tests matrix_lib
[INFO] [stdout] test tests::classic_tests::determinant_with_row_swap ... ok
[INFO] [stdout] test tests::classic_tests::determinant_cmp_gaussian_elimination_determinant ... ok
[INFO] [stdout] test tests::classic_tests::gaussian_elimination ... ok
[INFO] [stdout] test tests::classic_tests::from_vec ... ok
[INFO] [stdout] test tests::classic_tests::gaussian_elimination_with_division_by_zero ... ok
[INFO] [stdout] test tests::classic_tests::gaussian_elimination_with_row_swap ... ok
[INFO] [stdout] test tests::classic_tests::inverse ... ok
[INFO] [stdout] test tests::classic_tests::inverse_2 ... ok
[INFO] [stdout] test tests::classic_tests::mul ... ok
[INFO] [stdout] test tests::classic_tests::scalar_mul ... ok
[INFO] [stdout] test tests::classic_tests::sum ... ok
[INFO] [stdout] test tests::classic_tests::sum_fail ... ok
[INFO] [stdout] test tests::classic_tests::transpose ... ok
[INFO] [stdout] test tests::classic_tests::vectorize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Matrix<T>::sum (line 108) ... FAILED
[INFO] [stdout] test src/lib.rs - Matrix<T>::sum (line 117) ... FAILED
[INFO] [stdout] test src/lib.rs - matrix (line 375) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vectorized (line 260) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_size (line 343) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Matrix<T>::sum (line 108) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout]   8 | assert!(matches!(m1.sum(m2), Err(String)));
[INFO] [stdout]     |                     --- ^^ expected `&Matrix<{integer}>`, found `Matrix<{integer}>`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Matrix<{integer}>`
[INFO] [stdout]                   found struct `Matrix<{integer}>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn sum(&self, other: &Matrix<T>) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout]   8 | assert!(matches!(m1.sum(&m2), Err(String)));
[INFO] [stdout]     |                         +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Matrix<T>::sum (line 117) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:122:48
[INFO] [stdout]     |
[INFO] [stdout]   8 | assert_eq!(matrix![[2,4,6], [8,10,12]], m1.sum(m2).unwrap());
[INFO] [stdout]     |                                            --- ^^ expected `&Matrix<{integer}>`, found `Matrix<{integer}>`
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&Matrix<{integer}>`
[INFO] [stdout]                   found struct `Matrix<{integer}>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn sum(&self, other: &Matrix<T>) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]     |
[INFO] [stdout]   8 | assert_eq!(matrix![[2,4,6], [8,10,12]], m1.sum(&m2).unwrap());
[INFO] [stdout]     |                                                +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Matrix<T>::get_size (line 343) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (114) panicked at src/lib.rs:8:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Size { x: 4, y: 3 }
[INFO] [stdout]  right: Size { x: 3, y: 4 }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55734e0442c2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55734e0442c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55734e0442c2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55734e0442c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55734e05300f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55734e05300f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x55734e023223 - std::io::default_write_fmt::hf7668c9f69c3a921
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55734e023223 - std::io::Write::write_fmt::ha6503cd07dd1d506
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55734e028062 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55734e02988c - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x55734e0296e6 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x55734e029e65 - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x55734e029cfa - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x55734e028199 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x55734e017c8d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x55734e056110 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x55734e055f13 - core::panicking::assert_failed_inner::h865658b89c1b891d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:444:17
[INFO] [stdout]   17:     0x55734e016550 - core::panicking::assert_failed::ha322c4f2016372c2
[INFO] [stdout]   18:     0x55734e01747f - rust_out::main::_doctest_main_src_lib_rs_343_0::h26ca909be3e8cc92
[INFO] [stdout]   19:     0x55734e016fe6 - rust_out::main::hca4b1f7e004a5b5b
[INFO] [stdout]   20:     0x55734e015b43 - core::ops::function::FnOnce::call_once::hd1d9844f43ba9ade
[INFO] [stdout]   21:     0x55734e0159a6 - std::sys::backtrace::__rust_begin_short_backtrace::h1b07d04bd89bf1d2
[INFO] [stdout]   22:     0x55734e015989 - std::rt::lang_start::{{closure}}::h195b227e6d961974
[INFO] [stdout]   23:     0x55734e0240e0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfe01ef9c04091e5f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x55734e0240e0 - std::panicking::catch_unwind::do_call::h3720541c1dc2745c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   25:     0x55734e0240e0 - std::panicking::catch_unwind::hf812e1c72a8544c2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   26:     0x55734e0240e0 - std::panic::catch_unwind::h9e80dffea8831154
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x55734e0240e0 - std::rt::lang_start_internal::{{closure}}::h03410fa218b2c977
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x55734e0240e0 - std::panicking::catch_unwind::do_call::hcc46efa18e4a9c15
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x55734e0240e0 - std::panicking::catch_unwind::hc0afbf6668eb863a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x55734e0240e0 - std::panic::catch_unwind::h9640c0d1343096b8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x55734e0240e0 - std::rt::lang_start_internal::hea659f61d058debe
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x55734e015971 - std::rt::lang_start::h1eafb7a9125a057d
[INFO] [stdout]   33:     0x55734e0176f5 - main
[INFO] [stdout]   34:     0x716cc749a1ca - <unknown>
[INFO] [stdout]   35:     0x716cc749a28b - __libc_start_main
[INFO] [stdout]   36:     0x55734e014705 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Matrix<T>::get_size (line 343)
[INFO] [stdout]     src/lib.rs - Matrix<T>::sum (line 108)
[INFO] [stdout]     src/lib.rs - Matrix<T>::sum (line 117)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "395fd4554f765fda3c0c558eaab92823fdc9558f3e455edf9fedc441e2268c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395fd4554f765fda3c0c558eaab92823fdc9558f3e455edf9fedc441e2268c0a", kill_on_drop: false }`
[INFO] [stdout] 395fd4554f765fda3c0c558eaab92823fdc9558f3e455edf9fedc441e2268c0a
