Nov 28 08:32:09.387 INFO checking bobisme/rustrnn against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 08:32:09.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 28 08:32:09.879 INFO [stdout] dd5991391cca8775257c0d29b6ccc0191cf39f5f994504cc82fdeb573563e86e Nov 28 08:32:09.888 INFO running `"docker" "start" "-a" "dd5991391cca8775257c0d29b6ccc0191cf39f5f994504cc82fdeb573563e86e"` Nov 28 08:32:11.501 INFO [stderr] usermod: no changes Nov 28 08:32:11.580 INFO [stderr] Checking rustrnn v0.1.0 (/source) Nov 28 08:32:12.776 INFO [stderr] warning: struct is never constructed: `Layer` Nov 28 08:32:12.776 INFO [stderr] --> src/layer.rs:3:1 Nov 28 08:32:12.776 INFO [stderr] | Nov 28 08:32:12.776 INFO [stderr] 3 | pub struct Layer { Nov 28 08:32:12.776 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 28 08:32:12.776 INFO [stderr] | Nov 28 08:32:12.776 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 08:32:12.776 INFO [stderr] Nov 28 08:32:12.776 INFO [stderr] warning: method is never used: `new` Nov 28 08:32:12.776 INFO [stderr] --> src/layer.rs:10:5 Nov 28 08:32:12.776 INFO [stderr] | Nov 28 08:32:12.776 INFO [stderr] 10 | pub fn new(input_size: usize, size: usize) -> Layer { Nov 28 08:32:12.776 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 08:32:12.776 INFO [stderr] Nov 28 08:32:12.776 INFO [stderr] warning: method is never used: `size` Nov 28 08:32:12.776 INFO [stderr] --> src/layer.rs:18:5 Nov 28 08:32:12.776 INFO [stderr] | Nov 28 08:32:12.776 INFO [stderr] 18 | pub fn size(&self) -> usize { Nov 28 08:32:12.776 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 08:32:12.776 INFO [stderr] Nov 28 08:32:12.776 INFO [stderr] warning: method is never used: `input_size` Nov 28 08:32:12.776 INFO [stderr] --> src/layer.rs:22:5 Nov 28 08:32:12.776 INFO [stderr] | Nov 28 08:32:12.776 INFO [stderr] 22 | pub fn input_size(&self) -> usize { Nov 28 08:32:12.777 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 08:32:12.777 INFO [stderr] Nov 28 08:32:12.980 INFO [stderr] warning: unused arithmetic operation that must be used Nov 28 08:32:12.980 INFO [stderr] --> src/matrix.rs:440:13 Nov 28 08:32:12.980 INFO [stderr] | Nov 28 08:32:12.980 INFO [stderr] 440 | m1 + &m2; Nov 28 08:32:12.980 INFO [stderr] | ^^^^^^^^ Nov 28 08:32:12.980 INFO [stderr] | Nov 28 08:32:12.980 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 08:32:12.980 INFO [stderr] Nov 28 08:32:12.980 INFO [stderr] warning: unused arithmetic operation that must be used Nov 28 08:32:12.980 INFO [stderr] --> src/matrix.rs:488:13 Nov 28 08:32:12.980 INFO [stderr] | Nov 28 08:32:12.981 INFO [stderr] 488 | m1 - &m2; Nov 28 08:32:12.981 INFO [stderr] | ^^^^^^^^ Nov 28 08:32:12.981 INFO [stderr] Nov 28 08:32:13.024 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.48s Nov 28 08:32:13.024 INFO [stderr] su: No module specific data is present Nov 28 08:32:13.850 INFO running `"docker" "inspect" "dd5991391cca8775257c0d29b6ccc0191cf39f5f994504cc82fdeb573563e86e"` Nov 28 08:32:14.166 INFO running `"docker" "rm" "-f" "dd5991391cca8775257c0d29b6ccc0191cf39f5f994504cc82fdeb573563e86e"` Nov 28 08:32:14.592 INFO [stdout] dd5991391cca8775257c0d29b6ccc0191cf39f5f994504cc82fdeb573563e86e