Dec 05 03:44:18.827 INFO checking 198d/cs_review against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:44:18.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 03:44:19.281 INFO [stdout] df51f95d30051fc7e46ec29b5a7a59c83b1d05ac579bcaa5fb2c7eb19948c42e
Dec 05 03:44:19.285 INFO running `"docker" "start" "-a" "df51f95d30051fc7e46ec29b5a7a59c83b1d05ac579bcaa5fb2c7eb19948c42e"`
Dec 05 03:44:20.435 INFO [stderr] usermod: no changes
Dec 05 03:44:20.526 INFO [stderr]     Checking either v1.0.2
Dec 05 03:44:20.526 INFO [stderr]    Compiling ndarray v0.7.2
Dec 05 03:44:20.531 INFO [stderr]     Checking num-complex v0.1.35
Dec 05 03:44:21.299 INFO [stderr]     Checking itertools v0.5.8
Dec 05 03:44:28.155 INFO [stderr]     Checking cs_review v0.1.0 (/source)
Dec 05 03:44:29.219 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 03:44:29.219 INFO [stderr]  --> src/lib.rs:3:13
Dec 05 03:44:29.219 INFO [stderr]   |
Dec 05 03:44:29.219 INFO [stderr] 3 | #[macro_use(s)]
Dec 05 03:44:29.219 INFO [stderr]   |             ^
Dec 05 03:44:29.219 INFO [stderr]   |
Dec 05 03:44:29.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:44:29.219 INFO [stderr] 
Dec 05 03:44:29.219 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 03:44:29.219 INFO [stderr]  --> src/lib.rs:3:13
Dec 05 03:44:29.219 INFO [stderr]   |
Dec 05 03:44:29.219 INFO [stderr] 3 | #[macro_use(s)]
Dec 05 03:44:29.219 INFO [stderr]   |             ^
Dec 05 03:44:29.219 INFO [stderr]   |
Dec 05 03:44:29.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:44:29.219 INFO [stderr] 
Dec 05 03:44:29.345 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:44:29.345 INFO [stderr]  --> src/sorting.rs:2:26
Dec 05 03:44:29.345 INFO [stderr]   |
Dec 05 03:44:29.345 INFO [stderr] 2 | pub fn selection_sort<T>(mut data: &mut [T])
Dec 05 03:44:29.345 INFO [stderr]   |                          ----^^^^
Dec 05 03:44:29.345 INFO [stderr]   |                          |
Dec 05 03:44:29.345 INFO [stderr]   |                          help: remove this `mut`
Dec 05 03:44:29.345 INFO [stderr]   |
Dec 05 03:44:29.345 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 03:44:29.345 INFO [stderr] 
Dec 05 03:44:29.345 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:44:29.345 INFO [stderr]   --> src/sorting.rs:25:26
Dec 05 03:44:29.345 INFO [stderr]    |
Dec 05 03:44:29.345 INFO [stderr] 25 | pub fn insertion_sort<T>(mut data: &mut [T])
Dec 05 03:44:29.345 INFO [stderr]    |                          ----^^^^
Dec 05 03:44:29.345 INFO [stderr]    |                          |
Dec 05 03:44:29.345 INFO [stderr]    |                          help: remove this `mut`
Dec 05 03:44:29.345 INFO [stderr] 
Dec 05 03:44:29.357 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:44:29.357 INFO [stderr]    --> src/sorting.rs:110:19
Dec 05 03:44:29.357 INFO [stderr]     |
Dec 05 03:44:29.357 INFO [stderr] 110 |   fn sift_down<T>(mut data: &mut [T], start: usize, end: usize)
Dec 05 03:44:29.357 INFO [stderr]     |                   ----^^^^
Dec 05 03:44:29.357 INFO [stderr]     |                   |
Dec 05 03:44:29.357 INFO [stderr]     |                   help: remove this `mut`
Dec 05 03:44:29.357 INFO [stderr] 
Dec 05 03:44:29.363 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:44:29.363 INFO [stderr]  --> src/sorting.rs:2:26
Dec 05 03:44:29.363 INFO [stderr]   |
Dec 05 03:44:29.363 INFO [stderr] 2 | pub fn selection_sort<T>(mut data: &mut [T])
Dec 05 03:44:29.363 INFO [stderr]   |                          ----^^^^
Dec 05 03:44:29.363 INFO [stderr]   |                          |
Dec 05 03:44:29.363 INFO [stderr]   |                          help: remove this `mut`
Dec 05 03:44:29.363 INFO [stderr]   |
Dec 05 03:44:29.363 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 03:44:29.363 INFO [stderr] 
Dec 05 03:44:29.363 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:44:29.363 INFO [stderr]   --> src/sorting.rs:25:26
Dec 05 03:44:29.363 INFO [stderr]    |
Dec 05 03:44:29.363 INFO [stderr] 25 | pub fn insertion_sort<T>(mut data: &mut [T])
Dec 05 03:44:29.363 INFO [stderr]    |                          ----^^^^
Dec 05 03:44:29.363 INFO [stderr]    |                          |
Dec 05 03:44:29.363 INFO [stderr]    |                          help: remove this `mut`
Dec 05 03:44:29.363 INFO [stderr] 
Dec 05 03:44:29.366 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:44:29.367 INFO [stderr]    --> src/sorting.rs:110:19
Dec 05 03:44:29.367 INFO [stderr]     |
Dec 05 03:44:29.367 INFO [stderr] 110 |   fn sift_down<T>(mut data: &mut [T], start: usize, end: usize)
Dec 05 03:44:29.367 INFO [stderr]     |                   ----^^^^
Dec 05 03:44:29.367 INFO [stderr]     |                   |
Dec 05 03:44:29.367 INFO [stderr]     |                   help: remove this `mut`
Dec 05 03:44:29.367 INFO [stderr] 
Dec 05 03:44:29.370 INFO [stderr] warning: method is never used: `insert`
Dec 05 03:44:29.371 INFO [stderr]    --> src/trees/binary.rs:128:3
Dec 05 03:44:29.371 INFO [stderr]     |
Dec 05 03:44:29.371 INFO [stderr] 128 |   fn insert(&mut self, data: T) {
Dec 05 03:44:29.371 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:44:29.371 INFO [stderr]     |
Dec 05 03:44:29.371 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 03:44:29.371 INFO [stderr] 
Dec 05 03:44:29.371 INFO [stderr] warning: method is never used: `delete`
Dec 05 03:44:29.371 INFO [stderr]    --> src/trees/binary.rs:147:3
Dec 05 03:44:29.371 INFO [stderr]     |
Dec 05 03:44:29.371 INFO [stderr] 147 |   fn delete(&mut self, data: &T) {
Dec 05 03:44:29.371 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:44:29.371 INFO [stderr] 
Dec 05 03:44:29.371 INFO [stderr] warning: method is never used: `find`
Dec 05 03:44:29.371 INFO [stderr]    --> src/trees/binary.rs:187:3
Dec 05 03:44:29.371 INFO [stderr]     |
Dec 05 03:44:29.371 INFO [stderr] 187 |   fn find<'a>(&'a self, data: &T) -> &Edge<T> {
Dec 05 03:44:29.371 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:44:29.371 INFO [stderr] 
Dec 05 03:44:29.371 INFO [stderr] warning: method is never used: `find_mut`
Dec 05 03:44:29.371 INFO [stderr]    --> src/trees/binary.rs:199:3
Dec 05 03:44:29.371 INFO [stderr]     |
Dec 05 03:44:29.371 INFO [stderr] 199 |   fn find_mut<'a>(&'a mut self, data: &T) -> &'a mut Edge<T> {
Dec 05 03:44:29.371 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:44:29.371 INFO [stderr] 
Dec 05 03:44:29.419 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.96s
Dec 05 03:44:29.427 INFO [stderr] su: No module specific data is present
Dec 05 03:44:30.061 INFO running `"docker" "inspect" "df51f95d30051fc7e46ec29b5a7a59c83b1d05ac579bcaa5fb2c7eb19948c42e"`
Dec 05 03:44:30.317 INFO running `"docker" "rm" "-f" "df51f95d30051fc7e46ec29b5a7a59c83b1d05ac579bcaa5fb2c7eb19948c42e"`
Dec 05 03:44:30.591 INFO [stdout] df51f95d30051fc7e46ec29b5a7a59c83b1d05ac579bcaa5fb2c7eb19948c42e