Dec 17 17:40:02.752 INFO checking pontuslaestadius/goliath against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:40:02.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/pontuslaestadius/goliath:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:40:03.296 INFO [stdout] 7291c1dd7d999b82d02a05d812c87c0f66c4b54aaf33ddd91aa1e7857c82261e
Dec 17 17:40:03.304 INFO running `"docker" "start" "-a" "7291c1dd7d999b82d02a05d812c87c0f66c4b54aaf33ddd91aa1e7857c82261e"`
Dec 17 17:40:04.916 INFO [stderr]     Checking goliath v0.1.0 (/opt/crater/workdir)
Dec 17 17:40:05.225 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 17:40:05.225 INFO [stderr]  --> src/lib.rs:3:5
Dec 17 17:40:05.232 INFO [stderr]   |
Dec 17 17:40:05.232 INFO [stderr] 3 | use std::fs::File;
Dec 17 17:40:05.232 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 17:40:05.232 INFO [stderr]   |
Dec 17 17:40:05.232 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:40:05.232 INFO [stderr] 
Dec 17 17:40:05.286 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 17 17:40:05.287 INFO [stderr]  --> src/lib.rs:2:5
Dec 17 17:40:05.287 INFO [stderr]   |
Dec 17 17:40:05.287 INFO [stderr] 2 | use std::io::prelude::*;
Dec 17 17:40:05.287 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 17:40:05.287 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 17:40:05.287 INFO [stderr]  --> src/lib.rs:3:5
Dec 17 17:40:05.287 INFO [stderr]   |
Dec 17 17:40:05.287 INFO [stderr] 3 | use std::fs::File;
Dec 17 17:40:05.287 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 17:40:05.287 INFO [stderr]   |
Dec 17 17:40:05.287 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:40:05.287 INFO [stderr] 
Dec 17 17:40:05.292 INFO [stderr] 
Dec 17 17:40:05.307 INFO [stderr] warning: function is never used: `index`
Dec 17 17:40:05.307 INFO [stderr]  --> src/lib.rs:6:1
Dec 17 17:40:05.307 INFO [stderr]   |
Dec 17 17:40:05.307 INFO [stderr] 6 | fn index<'a>(string: &'a mut String) -> Vec<Item<'a>> {
Dec 17 17:40:05.308 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:40:05.308 INFO [stderr]   |
Dec 17 17:40:05.308 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 17:40:05.308 INFO [stderr] 
Dec 17 17:40:05.308 INFO [stderr] warning: function is never used: `get_most_valued_sentence`
Dec 17 17:40:05.308 INFO [stderr]   --> src/lib.rs:41:1
Dec 17 17:40:05.308 INFO [stderr]    |
Dec 17 17:40:05.308 INFO [stderr] 41 | fn get_most_valued_sentence<'a>(string: &'a mut String, vec: Vec<Item>) -> &'a str {
Dec 17 17:40:05.308 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:40:05.309 INFO [stderr] 
Dec 17 17:40:05.309 INFO [stderr] warning: function is never used: `get_value`
Dec 17 17:40:05.309 INFO [stderr]   --> src/lib.rs:70:1
Dec 17 17:40:05.309 INFO [stderr]    |
Dec 17 17:40:05.309 INFO [stderr] 70 | fn get_value(string: &str) -> usize {
Dec 17 17:40:05.309 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:40:05.309 INFO [stderr] 
Dec 17 17:40:05.309 INFO [stderr] warning: method is never used: `increase_value`
Dec 17 17:40:05.309 INFO [stderr]   --> src/lib.rs:96:5
Dec 17 17:40:05.309 INFO [stderr]    |
Dec 17 17:40:05.309 INFO [stderr] 96 |     fn increase_value(&mut self) {
Dec 17 17:40:05.309 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:40:05.309 INFO [stderr] 
Dec 17 17:40:05.309 INFO [stderr] warning: method is never used: `get_value`
Dec 17 17:40:05.309 INFO [stderr]    --> src/lib.rs:100:5
Dec 17 17:40:05.309 INFO [stderr]     |
Dec 17 17:40:05.309 INFO [stderr] 100 |     fn get_value(&self) -> usize {
Dec 17 17:40:05.309 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:40:05.309 INFO [stderr] 
Dec 17 17:40:05.309 INFO [stderr] warning: method is never used: `get_key`
Dec 17 17:40:05.309 INFO [stderr]    --> src/lib.rs:104:5
Dec 17 17:40:05.309 INFO [stderr]     |
Dec 17 17:40:05.309 INFO [stderr] 104 |     fn get_key(&self) -> &str {
Dec 17 17:40:05.309 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:40:05.310 INFO [stderr] 
Dec 17 17:40:05.408 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 17 17:40:05.408 INFO [stderr]  --> src/lib.rs:2:5
Dec 17 17:40:05.408 INFO [stderr]   |
Dec 17 17:40:05.408 INFO [stderr] 2 | use std::io::prelude::*;
Dec 17 17:40:05.408 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 17 17:40:05.408 INFO [stderr] 
Dec 17 17:40:05.436 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:40:05.436 INFO [stderr]    --> src/lib.rs:147:13
Dec 17 17:40:05.436 INFO [stderr]     |
Dec 17 17:40:05.436 INFO [stderr] 147 |         let mut vec = index(&mut string);
Dec 17 17:40:05.436 INFO [stderr]     |             ----^^^
Dec 17 17:40:05.436 INFO [stderr]     |             |
Dec 17 17:40:05.436 INFO [stderr]     |             help: remove this `mut`
Dec 17 17:40:05.436 INFO [stderr]     |
Dec 17 17:40:05.436 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 17:40:05.436 INFO [stderr] 
Dec 17 17:40:05.440 INFO [stderr] warning: variable does not need to be mutable
Dec 17 17:40:05.440 INFO [stderr]    --> src/lib.rs:158:13
Dec 17 17:40:05.440 INFO [stderr]     |
Dec 17 17:40:05.440 INFO [stderr] 158 |         let mut vec = index(&mut string);
Dec 17 17:40:05.440 INFO [stderr]     |             ----^^^
Dec 17 17:40:05.440 INFO [stderr]     |             |
Dec 17 17:40:05.440 INFO [stderr]     |             help: remove this `mut`
Dec 17 17:40:05.440 INFO [stderr] 
Dec 17 17:40:05.469 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 17 17:40:06.188 INFO running `"docker" "inspect" "7291c1dd7d999b82d02a05d812c87c0f66c4b54aaf33ddd91aa1e7857c82261e"`
Dec 17 17:40:06.406 INFO running `"docker" "rm" "-f" "7291c1dd7d999b82d02a05d812c87c0f66c4b54aaf33ddd91aa1e7857c82261e"`
Dec 17 17:40:06.710 INFO [stdout] 7291c1dd7d999b82d02a05d812c87c0f66c4b54aaf33ddd91aa1e7857c82261e