Dec 19 13:52:11.405 INFO checking lampij/HashTable against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:52:11.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lampij/HashTable:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:52:11.949 INFO [stdout] 4ee05d41beb1948f94f84509850c3db4860330a252b3d7b9ad772490a93b813f
Dec 19 13:52:11.950 INFO running `"docker" "start" "-a" "4ee05d41beb1948f94f84509850c3db4860330a252b3d7b9ad772490a93b813f"`
Dec 19 13:52:14.164 INFO [stderr]     Checking HashTable v0.1.0 (/opt/crater/workdir)
Dec 19 13:52:14.460 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:52:14.460 INFO [stderr]   --> src/hash_table.rs:24:17
Dec 19 13:52:14.460 INFO [stderr]    |
Dec 19 13:52:14.460 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Dec 19 13:52:14.460 INFO [stderr]    |                 ----^^^
Dec 19 13:52:14.460 INFO [stderr]    |                 |
Dec 19 13:52:14.460 INFO [stderr]    |                 help: remove this `mut`
Dec 19 13:52:14.460 INFO [stderr]    |
Dec 19 13:52:14.460 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:52:14.460 INFO [stderr] 
Dec 19 13:52:14.460 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:52:14.460 INFO [stderr]   --> src/hash_table.rs:26:6
Dec 19 13:52:14.460 INFO [stderr]    |
Dec 19 13:52:14.461 INFO [stderr] 26 |     let mut key_as_byte_array = key.as_bytes();
Dec 19 13:52:14.461 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.461 INFO [stderr]    |         |
Dec 19 13:52:14.461 INFO [stderr]    |         help: remove this `mut`
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.461 INFO [stderr] warning: struct is never constructed: `HashTable`
Dec 19 13:52:14.461 INFO [stderr]  --> src/hash_table.rs:2:1
Dec 19 13:52:14.461 INFO [stderr]   |
Dec 19 13:52:14.461 INFO [stderr] 2 | pub struct HashTable {
Dec 19 13:52:14.461 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.461 INFO [stderr]   |
Dec 19 13:52:14.461 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.461 INFO [stderr] warning: method is never used: `add`
Dec 19 13:52:14.461 INFO [stderr]  --> src/hash_table.rs:8:2
Dec 19 13:52:14.461 INFO [stderr]   |
Dec 19 13:52:14.461 INFO [stderr] 8 |     pub fn add(&mut self, key: &String, value: &String) {
Dec 19 13:52:14.461 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.461 INFO [stderr] warning: method is never used: `get`
Dec 19 13:52:14.461 INFO [stderr]   --> src/hash_table.rs:14:2
Dec 19 13:52:14.461 INFO [stderr]    |
Dec 19 13:52:14.461 INFO [stderr] 14 |     pub fn get(&self, key: &String) -> String {
Dec 19 13:52:14.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.461 INFO [stderr] warning: method is never used: `new`
Dec 19 13:52:14.461 INFO [stderr]   --> src/hash_table.rs:18:2
Dec 19 13:52:14.461 INFO [stderr]    |
Dec 19 13:52:14.461 INFO [stderr] 18 |     pub fn new() -> HashTable {
Dec 19 13:52:14.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.461 INFO [stderr] warning: function is never used: `hash_fun`
Dec 19 13:52:14.461 INFO [stderr]   --> src/hash_table.rs:24:1
Dec 19 13:52:14.461 INFO [stderr]    |
Dec 19 13:52:14.461 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Dec 19 13:52:14.461 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.461 INFO [stderr] warning: crate `HashTable` should have a snake case name such as `hash_table`
Dec 19 13:52:14.461 INFO [stderr]   |
Dec 19 13:52:14.461 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 13:52:14.461 INFO [stderr] 
Dec 19 13:52:14.652 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:52:14.652 INFO [stderr]   --> src/hash_table.rs:24:17
Dec 19 13:52:14.652 INFO [stderr]    |
Dec 19 13:52:14.652 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Dec 19 13:52:14.652 INFO [stderr]    |                 ----^^^
Dec 19 13:52:14.652 INFO [stderr]    |                 |
Dec 19 13:52:14.652 INFO [stderr]    |                 help: remove this `mut`
Dec 19 13:52:14.652 INFO [stderr]    |
Dec 19 13:52:14.652 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 13:52:14.652 INFO [stderr] 
Dec 19 13:52:14.652 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:52:14.652 INFO [stderr]   --> src/hash_table.rs:26:6
Dec 19 13:52:14.652 INFO [stderr]    |
Dec 19 13:52:14.652 INFO [stderr] 26 |     let mut key_as_byte_array = key.as_bytes();
Dec 19 13:52:14.652 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^
Dec 19 13:52:14.652 INFO [stderr]    |         |
Dec 19 13:52:14.652 INFO [stderr]    |         help: remove this `mut`
Dec 19 13:52:14.652 INFO [stderr] 
Dec 19 13:52:14.652 INFO [stderr] warning: crate `HashTable` should have a snake case name such as `hash_table`
Dec 19 13:52:14.652 INFO [stderr]   |
Dec 19 13:52:14.652 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 13:52:14.653 INFO [stderr] 
Dec 19 13:52:14.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 19 13:52:15.856 INFO running `"docker" "inspect" "4ee05d41beb1948f94f84509850c3db4860330a252b3d7b9ad772490a93b813f"`
Dec 19 13:52:16.210 INFO running `"docker" "rm" "-f" "4ee05d41beb1948f94f84509850c3db4860330a252b3d7b9ad772490a93b813f"`
Dec 19 13:52:16.616 INFO [stdout] 4ee05d41beb1948f94f84509850c3db4860330a252b3d7b9ad772490a93b813f