[INFO] fetching crate nthD_Matrix 0.1.2...
[INFO] testing nthD_Matrix-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate nthD_Matrix 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nthD_Matrix 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nthD_Matrix 0.1.2
[INFO] tweaked toml for crates.io crate nthD_Matrix 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nthD_Matrix 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ac72a3d8a4d7e50a10de5a3ec0f6d5630b7fb7b9ec053aee3939033e757469
[INFO] running `Command { std: "docker" "start" "-a" "96ac72a3d8a4d7e50a10de5a3ec0f6d5630b7fb7b9ec053aee3939033e757469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ac72a3d8a4d7e50a10de5a3ec0f6d5630b7fb7b9ec053aee3939033e757469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ac72a3d8a4d7e50a10de5a3ec0f6d5630b7fb7b9ec053aee3939033e757469", kill_on_drop: false }`
[INFO] [stdout] 96ac72a3d8a4d7e50a10de5a3ec0f6d5630b7fb7b9ec053aee3939033e757469
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec28a532e21e3a37506a9538496bdeb9df06e016cb69dd16bfb596a4f3f9f741
[INFO] running `Command { std: "docker" "start" "-a" "ec28a532e21e3a37506a9538496bdeb9df06e016cb69dd16bfb596a4f3f9f741", kill_on_drop: false }`
[INFO] [stderr]    Compiling nthD_Matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "ec28a532e21e3a37506a9538496bdeb9df06e016cb69dd16bfb596a4f3f9f741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec28a532e21e3a37506a9538496bdeb9df06e016cb69dd16bfb596a4f3f9f741", kill_on_drop: false }`
[INFO] [stdout] ec28a532e21e3a37506a9538496bdeb9df06e016cb69dd16bfb596a4f3f9f741
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d8ebb628ccc2311e6d6f1b0a24ab711178dadb694bc20f4041816808508f00
[INFO] running `Command { std: "docker" "start" "-a" "61d8ebb628ccc2311e6d6f1b0a24ab711178dadb694bc20f4041816808508f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling nthD_Matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integration_tests.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut matrix_b = matrix!([5,5]; usize, 10); 
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         matrix.set_pos(vec![2,2,2], 30);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = matrix.set_pos(vec![2,2,2], 30);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         matrix.set_pos(vec![15,15,15], 30);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = matrix.set_pos(vec![15,15,15], 30);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         matrix_a.add(matrix_b);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let _ = matrix_a.add(matrix_b);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "61d8ebb628ccc2311e6d6f1b0a24ab711178dadb694bc20f4041816808508f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d8ebb628ccc2311e6d6f1b0a24ab711178dadb694bc20f4041816808508f00", kill_on_drop: false }`
[INFO] [stdout] 61d8ebb628ccc2311e6d6f1b0a24ab711178dadb694bc20f4041816808508f00
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fec6348ad31bc26e9a8348aee3c9d94ed9ed68b97a57eb0862d5d07a037c2a56
[INFO] running `Command { std: "docker" "start" "-a" "fec6348ad31bc26e9a8348aee3c9d94ed9ed68b97a57eb0862d5d07a037c2a56", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integration_tests.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut matrix_b = matrix!([5,5]; usize, 10); 
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/integration_tests.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         matrix.set_pos(vec![2,2,2], 30);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let _ = matrix.set_pos(vec![2,2,2], 30);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/integration_tests.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         matrix.set_pos(vec![15,15,15], 30);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let _ = matrix.set_pos(vec![15,15,15], 30);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/integration_tests.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         matrix_a.add(matrix_b);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let _ = matrix_a.add(matrix_b);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nthD_Matrix` (test "tests") generated 4 warnings (run `cargo fix --test "tests" -p nthD_Matrix` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nd_matrix-7e1a6431d9f7e1b2)
[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/integration_tests.rs (/opt/rustwide/target/debug/deps/tests-5279ce1895cb5dff)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test integration_tests::write_test ... ok
[INFO] [stdout] test integration_tests::arith_test ... ok
[INFO] [stdout] test integration_tests::position_conversion ... ok
[INFO] [stdout] test integration_tests::iter_test ... ok
[INFO] [stdout] test integration_tests::index_test ... ok
[INFO] [stderr] error: test failed, to rerun pass `--test tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tests-5279ce1895cb5dff` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fec6348ad31bc26e9a8348aee3c9d94ed9ed68b97a57eb0862d5d07a037c2a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec6348ad31bc26e9a8348aee3c9d94ed9ed68b97a57eb0862d5d07a037c2a56", kill_on_drop: false }`
[INFO] [stdout] fec6348ad31bc26e9a8348aee3c9d94ed9ed68b97a57eb0862d5d07a037c2a56
