Dec 12 04:13:47.248 INFO checking 198d/cs_review against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 04:13:47.248 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 04:13:47.672 INFO [stdout] 7fb63e8ee7fbd74d61c1d4272dc2350208bc1eca940825e046b5bb195174aef0
Dec 12 04:13:47.674 INFO running `"docker" "start" "-a" "7fb63e8ee7fbd74d61c1d4272dc2350208bc1eca940825e046b5bb195174aef0"`
Dec 12 04:13:48.653 INFO [stderr] usermod: no changes
Dec 12 04:13:48.756 INFO [stderr]    Compiling matrixmultiply v0.1.13
Dec 12 04:13:48.764 INFO [stderr]    Compiling ndarray v0.7.2
Dec 12 04:13:54.827 INFO [stderr]     Checking cs_review v0.1.0 (/source)
Dec 12 04:13:55.968 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 04:13:55.968 INFO [stderr]  --> src/lib.rs:3:13
Dec 12 04:13:55.968 INFO [stderr]   |
Dec 12 04:13:55.968 INFO [stderr] 3 | #[macro_use(s)]
Dec 12 04:13:55.968 INFO [stderr]   |             ^
Dec 12 04:13:55.968 INFO [stderr]   |
Dec 12 04:13:55.968 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 04:13:55.968 INFO [stderr] 
Dec 12 04:13:56.096 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:13:56.096 INFO [stderr]  --> src/sorting.rs:2:26
Dec 12 04:13:56.096 INFO [stderr]   |
Dec 12 04:13:56.096 INFO [stderr] 2 | pub fn selection_sort<T>(mut data: &mut [T])
Dec 12 04:13:56.096 INFO [stderr]   |                          ----^^^^
Dec 12 04:13:56.096 INFO [stderr]   |                          |
Dec 12 04:13:56.096 INFO [stderr]   |                          help: remove this `mut`
Dec 12 04:13:56.096 INFO [stderr]   |
Dec 12 04:13:56.096 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 04:13:56.096 INFO [stderr] 
Dec 12 04:13:56.096 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:13:56.096 INFO [stderr]   --> src/sorting.rs:25:26
Dec 12 04:13:56.096 INFO [stderr]    |
Dec 12 04:13:56.096 INFO [stderr] 25 | pub fn insertion_sort<T>(mut data: &mut [T])
Dec 12 04:13:56.096 INFO [stderr]    |                          ----^^^^
Dec 12 04:13:56.096 INFO [stderr]    |                          |
Dec 12 04:13:56.096 INFO [stderr]    |                          help: remove this `mut`
Dec 12 04:13:56.096 INFO [stderr] 
Dec 12 04:13:56.100 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:13:56.100 INFO [stderr]    --> src/sorting.rs:110:19
Dec 12 04:13:56.100 INFO [stderr]     |
Dec 12 04:13:56.100 INFO [stderr] 110 |   fn sift_down<T>(mut data: &mut [T], start: usize, end: usize)
Dec 12 04:13:56.100 INFO [stderr]     |                   ----^^^^
Dec 12 04:13:56.100 INFO [stderr]     |                   |
Dec 12 04:13:56.100 INFO [stderr]     |                   help: remove this `mut`
Dec 12 04:13:56.100 INFO [stderr] 
Dec 12 04:13:56.112 INFO [stderr] warning: method is never used: `insert`
Dec 12 04:13:56.112 INFO [stderr]    --> src/trees/binary.rs:128:3
Dec 12 04:13:56.112 INFO [stderr]     |
Dec 12 04:13:56.112 INFO [stderr] 128 |   fn insert(&mut self, data: T) {
Dec 12 04:13:56.112 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:13:56.112 INFO [stderr]     |
Dec 12 04:13:56.112 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 04:13:56.112 INFO [stderr] 
Dec 12 04:13:56.112 INFO [stderr] warning: method is never used: `delete`
Dec 12 04:13:56.112 INFO [stderr]    --> src/trees/binary.rs:147:3
Dec 12 04:13:56.112 INFO [stderr]     |
Dec 12 04:13:56.112 INFO [stderr] 147 |   fn delete(&mut self, data: &T) {
Dec 12 04:13:56.112 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:13:56.112 INFO [stderr] 
Dec 12 04:13:56.112 INFO [stderr] warning: method is never used: `find`
Dec 12 04:13:56.112 INFO [stderr]    --> src/trees/binary.rs:187:3
Dec 12 04:13:56.112 INFO [stderr]     |
Dec 12 04:13:56.112 INFO [stderr] 187 |   fn find<'a>(&'a self, data: &T) -> &Edge<T> {
Dec 12 04:13:56.112 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:13:56.112 INFO [stderr] 
Dec 12 04:13:56.112 INFO [stderr] warning: method is never used: `find_mut`
Dec 12 04:13:56.112 INFO [stderr]    --> src/trees/binary.rs:199:3
Dec 12 04:13:56.112 INFO [stderr]     |
Dec 12 04:13:56.113 INFO [stderr] 199 |   fn find_mut<'a>(&'a mut self, data: &T) -> &'a mut Edge<T> {
Dec 12 04:13:56.113 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:13:56.113 INFO [stderr] 
Dec 12 04:13:56.234 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 04:13:56.234 INFO [stderr]  --> src/lib.rs:3:13
Dec 12 04:13:56.234 INFO [stderr]   |
Dec 12 04:13:56.234 INFO [stderr] 3 | #[macro_use(s)]
Dec 12 04:13:56.234 INFO [stderr]   |             ^
Dec 12 04:13:56.234 INFO [stderr]   |
Dec 12 04:13:56.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 04:13:56.248 INFO [stderr] 
Dec 12 04:13:56.396 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:13:56.396 INFO [stderr]  --> src/sorting.rs:2:26
Dec 12 04:13:56.396 INFO [stderr]   |
Dec 12 04:13:56.396 INFO [stderr] 2 | pub fn selection_sort<T>(mut data: &mut [T])
Dec 12 04:13:56.396 INFO [stderr]   |                          ----^^^^
Dec 12 04:13:56.396 INFO [stderr]   |                          |
Dec 12 04:13:56.396 INFO [stderr]   |                          help: remove this `mut`
Dec 12 04:13:56.396 INFO [stderr]   |
Dec 12 04:13:56.396 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 04:13:56.396 INFO [stderr] 
Dec 12 04:13:56.396 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:13:56.396 INFO [stderr]   --> src/sorting.rs:25:26
Dec 12 04:13:56.396 INFO [stderr]    |
Dec 12 04:13:56.396 INFO [stderr] 25 | pub fn insertion_sort<T>(mut data: &mut [T])
Dec 12 04:13:56.396 INFO [stderr]    |                          ----^^^^
Dec 12 04:13:56.396 INFO [stderr]    |                          |
Dec 12 04:13:56.396 INFO [stderr]    |                          help: remove this `mut`
Dec 12 04:13:56.396 INFO [stderr] 
Dec 12 04:13:56.404 INFO [stderr] warning: variable does not need to be mutable
Dec 12 04:13:56.404 INFO [stderr]    --> src/sorting.rs:110:19
Dec 12 04:13:56.404 INFO [stderr]     |
Dec 12 04:13:56.404 INFO [stderr] 110 |   fn sift_down<T>(mut data: &mut [T], start: usize, end: usize)
Dec 12 04:13:56.404 INFO [stderr]     |                   ----^^^^
Dec 12 04:13:56.404 INFO [stderr]     |                   |
Dec 12 04:13:56.404 INFO [stderr]     |                   help: remove this `mut`
Dec 12 04:13:56.404 INFO [stderr] 
Dec 12 04:13:56.454 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
Dec 12 04:13:56.468 INFO [stderr] su: No module specific data is present
Dec 12 04:13:57.180 INFO running `"docker" "inspect" "7fb63e8ee7fbd74d61c1d4272dc2350208bc1eca940825e046b5bb195174aef0"`
Dec 12 04:13:57.526 INFO running `"docker" "rm" "-f" "7fb63e8ee7fbd74d61c1d4272dc2350208bc1eca940825e046b5bb195174aef0"`
Dec 12 04:13:57.824 INFO [stdout] 7fb63e8ee7fbd74d61c1d4272dc2350208bc1eca940825e046b5bb195174aef0