Nov 28 14:06:05.857 INFO checking CollinValley/rust_practice against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074 Nov 28 14:06:05.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 14:06:06.298 INFO [stdout] 3a13c50dd0e54a0193d93cfa86d7fb09d9d5a4080c26065a9866a6439d13d16a Nov 28 14:06:06.302 INFO running `"docker" "start" "-a" "3a13c50dd0e54a0193d93cfa86d7fb09d9d5a4080c26065a9866a6439d13d16a"` Nov 28 14:06:08.316 INFO [stderr] usermod: no changes Nov 28 14:06:08.384 INFO [stderr] Checking rust_practice v0.1.0 (/source) Nov 28 14:06:09.300 INFO [stderr] warning: struct is never constructed: `Extrema` Nov 28 14:06:09.300 INFO [stderr] --> src/chapter_9.rs:157:1 Nov 28 14:06:09.300 INFO [stderr] | Nov 28 14:06:09.300 INFO [stderr] 157 | struct Extrema<'elt> { Nov 28 14:06:09.300 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 28 14:06:09.300 INFO [stderr] | Nov 28 14:06:09.300 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 28 14:06:09.300 INFO [stderr] Nov 28 14:06:09.300 INFO [stderr] warning: function is never used: `find_extrema` Nov 28 14:06:09.300 INFO [stderr] --> src/chapter_9.rs:162:1 Nov 28 14:06:09.300 INFO [stderr] | Nov 28 14:06:09.300 INFO [stderr] 162 | fn find_extrema<'s>(slice: &'s [i32]) -> Extrema<'s> { Nov 28 14:06:09.300 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:06:09.300 INFO [stderr] Nov 28 14:06:09.300 INFO [stderr] warning: function is never used: `say_hello` Nov 28 14:06:09.300 INFO [stderr] --> src/chapter_11.rs:6:1 Nov 28 14:06:09.301 INFO [stderr] | Nov 28 14:06:09.301 INFO [stderr] 6 | fn say_hello(out: &mut Write) -> std::io::Result<()> { Nov 28 14:06:09.301 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:06:09.301 INFO [stderr] Nov 28 14:06:09.301 INFO [stderr] warning: function is never used: `min` Nov 28 14:06:09.301 INFO [stderr] --> src/chapter_11.rs:32:1 Nov 28 14:06:09.301 INFO [stderr] | Nov 28 14:06:09.301 INFO [stderr] 32 | fn min(value1: T, value2: T) -> T { Nov 28 14:06:09.301 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 14:06:09.301 INFO [stderr] Nov 28 14:06:09.301 INFO [stderr] warning: function is never used: `dot` Nov 28 14:06:09.301 INFO [stderr] --> src/chapter_11.rs:199:1 Nov 28 14:06:09.301 INFO [stderr] | Nov 28 14:06:09.301 INFO [stderr] 199 | / fn dot(v1: &[N], v2: &[N]) -> N Nov 28 14:06:09.301 INFO [stderr] 200 | | where N: Add + Mul + Default + Copy Nov 28 14:06:09.301 INFO [stderr] 201 | | { Nov 28 14:06:09.301 INFO [stderr] 202 | | let mut total = N::default(); //All numerical types default will equal 0 Nov 28 14:06:09.301 INFO [stderr] ... | Nov 28 14:06:09.301 INFO [stderr] 206 | | total Nov 28 14:06:09.301 INFO [stderr] 207 | | } Nov 28 14:06:09.301 INFO [stderr] | |_^ Nov 28 14:06:09.301 INFO [stderr] Nov 28 14:06:09.880 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.53s Nov 28 14:06:09.886 INFO [stderr] su: No module specific data is present Nov 28 14:06:10.850 INFO running `"docker" "inspect" "3a13c50dd0e54a0193d93cfa86d7fb09d9d5a4080c26065a9866a6439d13d16a"` Nov 28 14:06:11.266 INFO running `"docker" "rm" "-f" "3a13c50dd0e54a0193d93cfa86d7fb09d9d5a4080c26065a9866a6439d13d16a"` Nov 28 14:06:11.620 INFO [stdout] 3a13c50dd0e54a0193d93cfa86d7fb09d9d5a4080c26065a9866a6439d13d16a