Nov 30 11:35:24.216 INFO checking CollinValley/rust_practice against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 30 11:35:24.216 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 11:35:24.680 INFO [stdout] e7b9af9f71bef9fd93ee4fa1fa38f2e5b2dd1f8319d97f2baf7a7495d7a11ba2 Nov 30 11:35:24.682 INFO running `"docker" "start" "-a" "e7b9af9f71bef9fd93ee4fa1fa38f2e5b2dd1f8319d97f2baf7a7495d7a11ba2"` Nov 30 11:35:26.776 INFO [stderr] usermod: no changes Nov 30 11:35:26.844 INFO [stderr] Checking rust_practice v0.1.0 (/source) Nov 30 11:35:27.721 INFO [stderr] warning: struct is never constructed: `Extrema` Nov 30 11:35:27.723 INFO [stderr] --> src/chapter_9.rs:157:1 Nov 30 11:35:27.723 INFO [stderr] | Nov 30 11:35:27.723 INFO [stderr] 157 | struct Extrema<'elt> { Nov 30 11:35:27.723 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 30 11:35:27.723 INFO [stderr] | Nov 30 11:35:27.723 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 11:35:27.723 INFO [stderr] Nov 30 11:35:27.723 INFO [stderr] warning: function is never used: `find_extrema` Nov 30 11:35:27.723 INFO [stderr] --> src/chapter_9.rs:162:1 Nov 30 11:35:27.723 INFO [stderr] | Nov 30 11:35:27.723 INFO [stderr] 162 | fn find_extrema<'s>(slice: &'s [i32]) -> Extrema<'s> { Nov 30 11:35:27.724 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 11:35:27.724 INFO [stderr] Nov 30 11:35:27.724 INFO [stderr] warning: function is never used: `say_hello` Nov 30 11:35:27.724 INFO [stderr] --> src/chapter_11.rs:6:1 Nov 30 11:35:27.724 INFO [stderr] | Nov 30 11:35:27.724 INFO [stderr] 6 | fn say_hello(out: &mut Write) -> std::io::Result<()> { Nov 30 11:35:27.724 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 11:35:27.724 INFO [stderr] Nov 30 11:35:27.724 INFO [stderr] warning: function is never used: `min` Nov 30 11:35:27.724 INFO [stderr] --> src/chapter_11.rs:32:1 Nov 30 11:35:27.724 INFO [stderr] | Nov 30 11:35:27.724 INFO [stderr] 32 | fn min(value1: T, value2: T) -> T { Nov 30 11:35:27.724 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 11:35:27.724 INFO [stderr] Nov 30 11:35:27.724 INFO [stderr] warning: function is never used: `dot` Nov 30 11:35:27.724 INFO [stderr] --> src/chapter_11.rs:199:1 Nov 30 11:35:27.724 INFO [stderr] | Nov 30 11:35:27.724 INFO [stderr] 199 | / fn dot(v1: &[N], v2: &[N]) -> N Nov 30 11:35:27.725 INFO [stderr] 200 | | where N: Add + Mul + Default + Copy Nov 30 11:35:27.725 INFO [stderr] 201 | | { Nov 30 11:35:27.725 INFO [stderr] 202 | | let mut total = N::default(); //All numerical types default will equal 0 Nov 30 11:35:27.725 INFO [stderr] ... | Nov 30 11:35:27.725 INFO [stderr] 206 | | total Nov 30 11:35:27.725 INFO [stderr] 207 | | } Nov 30 11:35:27.725 INFO [stderr] | |_^ Nov 30 11:35:27.725 INFO [stderr] Nov 30 11:35:28.029 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.21s Nov 30 11:35:28.044 INFO [stderr] su: No module specific data is present Nov 30 11:35:28.994 INFO running `"docker" "inspect" "e7b9af9f71bef9fd93ee4fa1fa38f2e5b2dd1f8319d97f2baf7a7495d7a11ba2"` Nov 30 11:35:29.388 INFO running `"docker" "rm" "-f" "e7b9af9f71bef9fd93ee4fa1fa38f2e5b2dd1f8319d97f2baf7a7495d7a11ba2"` Nov 30 11:35:29.652 INFO [stdout] e7b9af9f71bef9fd93ee4fa1fa38f2e5b2dd1f8319d97f2baf7a7495d7a11ba2