Dec 11 14:58:17.344 INFO checking lampij/HashTable against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:58:17.344 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 14:58:17.874 INFO [stdout] 184da633bb47fcfaae1acc020f38d252c368b33b7f62c53f7faff5c49288264b
Dec 11 14:58:17.884 INFO running `"docker" "start" "-a" "184da633bb47fcfaae1acc020f38d252c368b33b7f62c53f7faff5c49288264b"`
Dec 11 14:58:20.035 INFO [stderr] usermod: no changes
Dec 11 14:58:20.144 INFO [stderr]     Checking HashTable v0.1.0 (/source)
Dec 11 14:58:20.840 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:58:20.840 INFO [stderr]   --> src/hash_table.rs:24:17
Dec 11 14:58:20.840 INFO [stderr]    |
Dec 11 14:58:20.840 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Dec 11 14:58:20.840 INFO [stderr]    |                 ----^^^
Dec 11 14:58:20.840 INFO [stderr]    |                 |
Dec 11 14:58:20.840 INFO [stderr]    |                 help: remove this `mut`
Dec 11 14:58:20.840 INFO [stderr]    |
Dec 11 14:58:20.840 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:58:20.841 INFO [stderr]   --> src/hash_table.rs:26:6
Dec 11 14:58:20.841 INFO [stderr]    |
Dec 11 14:58:20.841 INFO [stderr] 26 |     let mut key_as_byte_array = key.as_bytes();
Dec 11 14:58:20.841 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.841 INFO [stderr]    |         |
Dec 11 14:58:20.841 INFO [stderr]    |         help: remove this `mut`
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: struct is never constructed: `HashTable`
Dec 11 14:58:20.841 INFO [stderr]  --> src/hash_table.rs:2:1
Dec 11 14:58:20.841 INFO [stderr]   |
Dec 11 14:58:20.841 INFO [stderr] 2 | pub struct HashTable {
Dec 11 14:58:20.841 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.841 INFO [stderr]   |
Dec 11 14:58:20.841 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: method is never used: `add`
Dec 11 14:58:20.841 INFO [stderr]  --> src/hash_table.rs:8:2
Dec 11 14:58:20.841 INFO [stderr]   |
Dec 11 14:58:20.841 INFO [stderr] 8 |     pub fn add(&mut self, key: &String, value: &String) {
Dec 11 14:58:20.841 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: method is never used: `get`
Dec 11 14:58:20.841 INFO [stderr]   --> src/hash_table.rs:14:2
Dec 11 14:58:20.841 INFO [stderr]    |
Dec 11 14:58:20.841 INFO [stderr] 14 |     pub fn get(&self, key: &String) -> String {
Dec 11 14:58:20.841 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: method is never used: `new`
Dec 11 14:58:20.841 INFO [stderr]   --> src/hash_table.rs:18:2
Dec 11 14:58:20.841 INFO [stderr]    |
Dec 11 14:58:20.841 INFO [stderr] 18 |     pub fn new() -> HashTable {
Dec 11 14:58:20.841 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: function is never used: `hash_fun`
Dec 11 14:58:20.841 INFO [stderr]   --> src/hash_table.rs:24:1
Dec 11 14:58:20.841 INFO [stderr]    |
Dec 11 14:58:20.841 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Dec 11 14:58:20.841 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.841 INFO [stderr] warning: crate `HashTable` should have a snake case name such as `hash_table`
Dec 11 14:58:20.841 INFO [stderr]   |
Dec 11 14:58:20.841 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 14:58:20.841 INFO [stderr] 
Dec 11 14:58:20.892 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:58:20.892 INFO [stderr]   --> src/hash_table.rs:24:17
Dec 11 14:58:20.892 INFO [stderr]    |
Dec 11 14:58:20.892 INFO [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize {
Dec 11 14:58:20.893 INFO [stderr]    |                 ----^^^
Dec 11 14:58:20.893 INFO [stderr]    |                 |
Dec 11 14:58:20.893 INFO [stderr]    |                 help: remove this `mut`
Dec 11 14:58:20.893 INFO [stderr]    |
Dec 11 14:58:20.893 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 14:58:20.893 INFO [stderr] 
Dec 11 14:58:20.893 INFO [stderr] warning: variable does not need to be mutable
Dec 11 14:58:20.893 INFO [stderr]   --> src/hash_table.rs:26:6
Dec 11 14:58:20.893 INFO [stderr]    |
Dec 11 14:58:20.893 INFO [stderr] 26 |     let mut key_as_byte_array = key.as_bytes();
Dec 11 14:58:20.893 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^^
Dec 11 14:58:20.893 INFO [stderr]    |         |
Dec 11 14:58:20.893 INFO [stderr]    |         help: remove this `mut`
Dec 11 14:58:20.893 INFO [stderr] 
Dec 11 14:58:20.904 INFO [stderr] warning: crate `HashTable` should have a snake case name such as `hash_table`
Dec 11 14:58:20.904 INFO [stderr]   |
Dec 11 14:58:20.904 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 14:58:20.904 INFO [stderr] 
Dec 11 14:58:20.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 11 14:58:20.932 INFO [stderr] su: No module specific data is present
Dec 11 14:58:22.476 INFO running `"docker" "inspect" "184da633bb47fcfaae1acc020f38d252c368b33b7f62c53f7faff5c49288264b"`
Dec 11 14:58:22.860 INFO running `"docker" "rm" "-f" "184da633bb47fcfaae1acc020f38d252c368b33b7f62c53f7faff5c49288264b"`
Dec 11 14:58:23.272 INFO [stdout] 184da633bb47fcfaae1acc020f38d252c368b33b7f62c53f7faff5c49288264b