Nov 28 01:58:10.894 INFO checking lampij/HashTable against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 01:58:10.895 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 01:58:11.454 INFO [stdout] aae2cb5da188eac4d8fbd7bedb0221581802f200674af070bb1920cc9b930cbe
Nov 28 01:58:11.455 INFO running `"docker" "start" "-a" "aae2cb5da188eac4d8fbd7bedb0221581802f200674af070bb1920cc9b930cbe"`
Nov 28 01:58:12.868 INFO [stderr] usermod: no changes
Nov 28 01:58:12.944 INFO [stderr]     Checking HashTable v0.1.0 (/source)
Nov 28 01:58:13.380 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:58:13.380 INFO [stderr]   --> src/hash_table.rs:24:17
Nov 28 01:58:13.380 INFO [stderr]    |
Nov 28 01:58:13.380 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Nov 28 01:58:13.380 INFO [stderr]    |                 ----^^^
Nov 28 01:58:13.380 INFO [stderr]    |                 |
Nov 28 01:58:13.380 INFO [stderr]    |                 help: remove this `mut`
Nov 28 01:58:13.380 INFO [stderr]    |
Nov 28 01:58:13.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:58:13.380 INFO [stderr] 
Nov 28 01:58:13.380 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:58:13.381 INFO [stderr]   --> src/hash_table.rs:26:6
Nov 28 01:58:13.381 INFO [stderr]    |
Nov 28 01:58:13.381 INFO [stderr] 26 |     let mut key_as_byte_array = key.as_bytes();
Nov 28 01:58:13.381 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.381 INFO [stderr]    |         |
Nov 28 01:58:13.381 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.381 INFO [stderr] warning: struct is never constructed: `HashTable`
Nov 28 01:58:13.381 INFO [stderr]  --> src/hash_table.rs:2:1
Nov 28 01:58:13.381 INFO [stderr]   |
Nov 28 01:58:13.381 INFO [stderr] 2 | pub struct HashTable {
Nov 28 01:58:13.381 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.381 INFO [stderr]   |
Nov 28 01:58:13.381 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.381 INFO [stderr] warning: method is never used: `add`
Nov 28 01:58:13.381 INFO [stderr]  --> src/hash_table.rs:8:2
Nov 28 01:58:13.381 INFO [stderr]   |
Nov 28 01:58:13.381 INFO [stderr] 8 |     pub fn add(&mut self, key: &String, value: &String) {
Nov 28 01:58:13.381 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.381 INFO [stderr] warning: method is never used: `get`
Nov 28 01:58:13.381 INFO [stderr]   --> src/hash_table.rs:14:2
Nov 28 01:58:13.381 INFO [stderr]    |
Nov 28 01:58:13.381 INFO [stderr] 14 |     pub fn get(&self, key: &String) -> String {
Nov 28 01:58:13.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.381 INFO [stderr] warning: method is never used: `new`
Nov 28 01:58:13.381 INFO [stderr]   --> src/hash_table.rs:18:2
Nov 28 01:58:13.381 INFO [stderr]    |
Nov 28 01:58:13.381 INFO [stderr] 18 |     pub fn new() -> HashTable {
Nov 28 01:58:13.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.381 INFO [stderr] warning: function is never used: `hash_fun`
Nov 28 01:58:13.381 INFO [stderr]   --> src/hash_table.rs:24:1
Nov 28 01:58:13.381 INFO [stderr]    |
Nov 28 01:58:13.381 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Nov 28 01:58:13.381 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.381 INFO [stderr] warning: crate `HashTable` should have a snake case name such as `hash_table`
Nov 28 01:58:13.381 INFO [stderr]   |
Nov 28 01:58:13.381 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 01:58:13.381 INFO [stderr] 
Nov 28 01:58:13.736 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:58:13.736 INFO [stderr]   --> src/hash_table.rs:24:17
Nov 28 01:58:13.736 INFO [stderr]    |
Nov 28 01:58:13.736 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Nov 28 01:58:13.736 INFO [stderr]    |                 ----^^^
Nov 28 01:58:13.736 INFO [stderr]    |                 |
Nov 28 01:58:13.736 INFO [stderr]    |                 help: remove this `mut`
Nov 28 01:58:13.736 INFO [stderr]    |
Nov 28 01:58:13.736 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:58:13.736 INFO [stderr] 
Nov 28 01:58:13.736 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:58:13.736 INFO [stderr]   --> src/hash_table.rs:26:6
Nov 28 01:58:13.736 INFO [stderr]    |
Nov 28 01:58:13.736 INFO [stderr] 26 |     let mut key_as_byte_array = key.as_bytes();
Nov 28 01:58:13.736 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^
Nov 28 01:58:13.736 INFO [stderr]    |         |
Nov 28 01:58:13.736 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:58:13.736 INFO [stderr] 
Nov 28 01:58:13.736 INFO [stderr] warning: crate `HashTable` should have a snake case name such as `hash_table`
Nov 28 01:58:13.736 INFO [stderr]   |
Nov 28 01:58:13.737 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 28 01:58:13.737 INFO [stderr] 
Nov 28 01:58:13.744 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 28 01:58:13.744 INFO [stderr] su: No module specific data is present
Nov 28 01:58:14.851 INFO running `"docker" "inspect" "aae2cb5da188eac4d8fbd7bedb0221581802f200674af070bb1920cc9b930cbe"`
Nov 28 01:58:15.252 INFO running `"docker" "rm" "-f" "aae2cb5da188eac4d8fbd7bedb0221581802f200674af070bb1920cc9b930cbe"`
Nov 28 01:58:15.640 INFO [stdout] aae2cb5da188eac4d8fbd7bedb0221581802f200674af070bb1920cc9b930cbe