Dec 18 06:54:56.577 INFO checking Kneipenrunde/text-classify against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:54:56.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Kneipenrunde/text-classify:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:54:57.004 INFO [stdout] 71dbdf68f937ba1a74a9e05623dbbc20a5f5fc6f1b5be1ce6f572e167f0238be
Dec 18 06:54:57.006 INFO running `"docker" "start" "-a" "71dbdf68f937ba1a74a9e05623dbbc20a5f5fc6f1b5be1ce6f572e167f0238be"`
Dec 18 06:54:59.099 INFO [stderr]     Checking text-classify v0.1.0 (/opt/crater/workdir)
Dec 18 06:54:59.393 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:54:59.393 INFO [stderr]  --> src/main.rs:2:5
Dec 18 06:54:59.393 INFO [stderr]   |
Dec 18 06:54:59.393 INFO [stderr] 2 | use std::env;
Dec 18 06:54:59.393 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:54:59.393 INFO [stderr]   |
Dec 18 06:54:59.404 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:54:59.404 INFO [stderr] 
Dec 18 06:54:59.404 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 06:54:59.404 INFO [stderr]  --> src/main.rs:4:5
Dec 18 06:54:59.404 INFO [stderr]   |
Dec 18 06:54:59.404 INFO [stderr] 4 | use std::io::prelude::*;
Dec 18 06:54:59.404 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.404 INFO [stderr] 
Dec 18 06:54:59.450 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:54:59.450 INFO [stderr]  --> src/main.rs:2:5
Dec 18 06:54:59.450 INFO [stderr]   |
Dec 18 06:54:59.450 INFO [stderr] 2 | use std::env;
Dec 18 06:54:59.450 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:54:59.450 INFO [stderr]   |
Dec 18 06:54:59.450 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:54:59.450 INFO [stderr] 
Dec 18 06:54:59.450 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 18 06:54:59.450 INFO [stderr]  --> src/main.rs:4:5
Dec 18 06:54:59.450 INFO [stderr]   |
Dec 18 06:54:59.450 INFO [stderr] 4 | use std::io::prelude::*;
Dec 18 06:54:59.450 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.450 INFO [stderr] 
Dec 18 06:54:59.508 INFO [stderr] warning: unused variable: `data`
Dec 18 06:54:59.509 INFO [stderr]   --> src/main.rs:51:22
Dec 18 06:54:59.509 INFO [stderr]    |
Dec 18 06:54:59.509 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Dec 18 06:54:59.509 INFO [stderr]    |                      ^^^^ help: consider using `_data` instead
Dec 18 06:54:59.509 INFO [stderr]    |
Dec 18 06:54:59.509 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:54:59.516 INFO [stderr] 
Dec 18 06:54:59.542 INFO [stderr] warning: struct is never constructed: `LabelEncoder`
Dec 18 06:54:59.542 INFO [stderr]   --> src/main.rs:18:1
Dec 18 06:54:59.543 INFO [stderr]    |
Dec 18 06:54:59.543 INFO [stderr] 18 | struct LabelEncoder {
Dec 18 06:54:59.543 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.543 INFO [stderr]    |
Dec 18 06:54:59.543 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:54:59.543 INFO [stderr] 
Dec 18 06:54:59.543 INFO [stderr] warning: method is never used: `new`
Dec 18 06:54:59.543 INFO [stderr]   --> src/main.rs:24:5
Dec 18 06:54:59.543 INFO [stderr]    |
Dec 18 06:54:59.543 INFO [stderr] 24 |     fn new() -> LabelEncoder {
Dec 18 06:54:59.543 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.543 INFO [stderr] 
Dec 18 06:54:59.543 INFO [stderr] warning: method is never used: `fit`
Dec 18 06:54:59.543 INFO [stderr]   --> src/main.rs:28:5
Dec 18 06:54:59.543 INFO [stderr]    |
Dec 18 06:54:59.543 INFO [stderr] 28 |     fn fit(&mut self, labels : &[&str]) {
Dec 18 06:54:59.543 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.544 INFO [stderr] 
Dec 18 06:54:59.544 INFO [stderr] warning: method is never used: `transform`
Dec 18 06:54:59.544 INFO [stderr]   --> src/main.rs:37:5
Dec 18 06:54:59.544 INFO [stderr]    |
Dec 18 06:54:59.544 INFO [stderr] 37 |     fn transform(&self, labels : &[&str]) -> Vec<u32> {
Dec 18 06:54:59.544 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.544 INFO [stderr] 
Dec 18 06:54:59.544 INFO [stderr] warning: struct is never constructed: `StopWordFilter`
Dec 18 06:54:59.544 INFO [stderr]   --> src/main.rs:42:1
Dec 18 06:54:59.544 INFO [stderr]    |
Dec 18 06:54:59.544 INFO [stderr] 42 | struct StopWordFilter {
Dec 18 06:54:59.544 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.544 INFO [stderr] 
Dec 18 06:54:59.544 INFO [stderr] warning: method is never used: `new`
Dec 18 06:54:59.544 INFO [stderr]   --> src/main.rs:47:5
Dec 18 06:54:59.544 INFO [stderr]    |
Dec 18 06:54:59.544 INFO [stderr] 47 |     fn new() -> StopWordFilter {
Dec 18 06:54:59.544 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.544 INFO [stderr] 
Dec 18 06:54:59.547 INFO [stderr] warning: method is never used: `filter`
Dec 18 06:54:59.547 INFO [stderr]   --> src/main.rs:51:5
Dec 18 06:54:59.547 INFO [stderr]    |
Dec 18 06:54:59.547 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Dec 18 06:54:59.547 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.547 INFO [stderr] 
Dec 18 06:54:59.687 INFO [stderr] warning: unused variable: `data`
Dec 18 06:54:59.687 INFO [stderr]   --> src/main.rs:51:22
Dec 18 06:54:59.687 INFO [stderr]    |
Dec 18 06:54:59.687 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Dec 18 06:54:59.687 INFO [stderr]    |                      ^^^^ help: consider using `_data` instead
Dec 18 06:54:59.687 INFO [stderr]    |
Dec 18 06:54:59.687 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:54:59.687 INFO [stderr] 
Dec 18 06:54:59.744 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:54:59.744 INFO [stderr]    --> src/main.rs:230:9
Dec 18 06:54:59.744 INFO [stderr]     |
Dec 18 06:54:59.744 INFO [stderr] 230 |     let mut clf = Classifier::new();
Dec 18 06:54:59.744 INFO [stderr]     |         ----^^^
Dec 18 06:54:59.744 INFO [stderr]     |         |
Dec 18 06:54:59.744 INFO [stderr]     |         help: remove this `mut`
Dec 18 06:54:59.744 INFO [stderr]     |
Dec 18 06:54:59.744 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 06:54:59.744 INFO [stderr] 
Dec 18 06:54:59.752 INFO [stderr] warning: field is never used: `stop_words`
Dec 18 06:54:59.752 INFO [stderr]   --> src/main.rs:43:5
Dec 18 06:54:59.752 INFO [stderr]    |
Dec 18 06:54:59.752 INFO [stderr] 43 |     stop_words : Vec<String>,
Dec 18 06:54:59.752 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:54:59.752 INFO [stderr]    |
Dec 18 06:54:59.752 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:54:59.752 INFO [stderr] 
Dec 18 06:54:59.814 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 18 06:55:00.606 INFO running `"docker" "inspect" "71dbdf68f937ba1a74a9e05623dbbc20a5f5fc6f1b5be1ce6f572e167f0238be"`
Dec 18 06:55:00.954 INFO running `"docker" "rm" "-f" "71dbdf68f937ba1a74a9e05623dbbc20a5f5fc6f1b5be1ce6f572e167f0238be"`
Dec 18 06:55:01.265 INFO [stdout] 71dbdf68f937ba1a74a9e05623dbbc20a5f5fc6f1b5be1ce6f572e167f0238be