[INFO] fetching crate nthD_Matrix 0.1.2...
[INFO] testing nthD_Matrix-0.1.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate nthD_Matrix 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nthD_Matrix 0.1.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 804a92c3564ad65a7ffc62d78911b10e7c6080fb1ded1d292e87e9f3f67de30d
[INFO] running `Command { std: "docker" "start" "-a" "804a92c3564ad65a7ffc62d78911b10e7c6080fb1ded1d292e87e9f3f67de30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "804a92c3564ad65a7ffc62d78911b10e7c6080fb1ded1d292e87e9f3f67de30d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804a92c3564ad65a7ffc62d78911b10e7c6080fb1ded1d292e87e9f3f67de30d", kill_on_drop: false }`
[INFO] [stdout] 804a92c3564ad65a7ffc62d78911b10e7c6080fb1ded1d292e87e9f3f67de30d
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db29973fdd46efee882aaa7d8a8b1bce062427fe68332d3003a2b7a8e426793
[INFO] running `Command { std: "docker" "start" "-a" "1db29973fdd46efee882aaa7d8a8b1bce062427fe68332d3003a2b7a8e426793", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nthD_Matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "1db29973fdd46efee882aaa7d8a8b1bce062427fe68332d3003a2b7a8e426793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db29973fdd46efee882aaa7d8a8b1bce062427fe68332d3003a2b7a8e426793", kill_on_drop: false }`
[INFO] [stdout] 1db29973fdd46efee882aaa7d8a8b1bce062427fe68332d3003a2b7a8e426793
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f494bcf2fa8c0bb4f9d0bdef7eabbecce28a36cc738f98a9742a571d3d013ca
[INFO] running `Command { std: "docker" "start" "-a" "8f494bcf2fa8c0bb4f9d0bdef7eabbecce28a36cc738f98a9742a571d3d013ca", 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)]` 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)]` 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8f494bcf2fa8c0bb4f9d0bdef7eabbecce28a36cc738f98a9742a571d3d013ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f494bcf2fa8c0bb4f9d0bdef7eabbecce28a36cc738f98a9742a571d3d013ca", kill_on_drop: false }`
[INFO] [stdout] 8f494bcf2fa8c0bb4f9d0bdef7eabbecce28a36cc738f98a9742a571d3d013ca
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b007eafe7680545e26376ee2dd3913d30701a8697b583bd95fb383d3c678f91e
[INFO] running `Command { std: "docker" "start" "-a" "b007eafe7680545e26376ee2dd3913d30701a8697b583bd95fb383d3c678f91e", 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)]` 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)]` 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"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nd_matrix-abea779cdc70892b)
[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-ae386a179cccdad6)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test integration_tests::iter_test ... ok
[INFO] [stdout] test integration_tests::index_test ... ok
[INFO] [stdout] test integration_tests::position_conversion ... ok
[INFO] [stdout] test integration_tests::write_test ... ok
[INFO] [stdout] test integration_tests::arith_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-ae386a179cccdad6` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b007eafe7680545e26376ee2dd3913d30701a8697b583bd95fb383d3c678f91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b007eafe7680545e26376ee2dd3913d30701a8697b583bd95fb383d3c678f91e", kill_on_drop: false }`
[INFO] [stdout] b007eafe7680545e26376ee2dd3913d30701a8697b583bd95fb383d3c678f91e
[INFO] testing nthD_Matrix-0.1.2 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate nthD_Matrix 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate nthD_Matrix 0.1.2 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 937f6a124da2e69d32f99bcc5a1e0bdf2cda484ad43f78150c06ff24a088b277
[INFO] running `Command { std: "docker" "start" "-a" "937f6a124da2e69d32f99bcc5a1e0bdf2cda484ad43f78150c06ff24a088b277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937f6a124da2e69d32f99bcc5a1e0bdf2cda484ad43f78150c06ff24a088b277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937f6a124da2e69d32f99bcc5a1e0bdf2cda484ad43f78150c06ff24a088b277", kill_on_drop: false }`
[INFO] [stdout] 937f6a124da2e69d32f99bcc5a1e0bdf2cda484ad43f78150c06ff24a088b277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3ee1dfa1d32a40a7dd1e236fe67dbd31819b51bffb8e327d79fc597e094c9b
[INFO] running `Command { std: "docker" "start" "-a" "0c3ee1dfa1d32a40a7dd1e236fe67dbd31819b51bffb8e327d79fc597e094c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nthD_Matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0c3ee1dfa1d32a40a7dd1e236fe67dbd31819b51bffb8e327d79fc597e094c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3ee1dfa1d32a40a7dd1e236fe67dbd31819b51bffb8e327d79fc597e094c9b", kill_on_drop: false }`
[INFO] [stdout] 0c3ee1dfa1d32a40a7dd1e236fe67dbd31819b51bffb8e327d79fc597e094c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a434e55474efe79c3fac106cccfeebabf34cb7fb72808675a6316e0f9239c1
[INFO] running `Command { std: "docker" "start" "-a" "49a434e55474efe79c3fac106cccfeebabf34cb7fb72808675a6316e0f9239c1", 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)]` 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)]` 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "49a434e55474efe79c3fac106cccfeebabf34cb7fb72808675a6316e0f9239c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a434e55474efe79c3fac106cccfeebabf34cb7fb72808675a6316e0f9239c1", kill_on_drop: false }`
[INFO] [stdout] 49a434e55474efe79c3fac106cccfeebabf34cb7fb72808675a6316e0f9239c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b526cd121d161f7ea1c04d1e33a1d27bb05eed0334cf6bf531dbc99bc4b9c22
[INFO] running `Command { std: "docker" "start" "-a" "7b526cd121d161f7ea1c04d1e33a1d27bb05eed0334cf6bf531dbc99bc4b9c22", 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)]` 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)]` 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"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nd_matrix-abea779cdc70892b)
[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-ae386a179cccdad6)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test integration_tests::index_test ... ok
[INFO] [stdout] test integration_tests::iter_test ... ok
[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] [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-ae386a179cccdad6` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7b526cd121d161f7ea1c04d1e33a1d27bb05eed0334cf6bf531dbc99bc4b9c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b526cd121d161f7ea1c04d1e33a1d27bb05eed0334cf6bf531dbc99bc4b9c22", kill_on_drop: false }`
[INFO] [stdout] 7b526cd121d161f7ea1c04d1e33a1d27bb05eed0334cf6bf531dbc99bc4b9c22
