Dec 05 01:39:39.636 INFO checking Kneipenrunde/text-classify against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 01:39:39.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 01:39:40.087 INFO [stdout] f0bc4c47e431746b01ea609adbebc1c66c7782748a763b904a8ac95518f24715
Dec 05 01:39:40.092 INFO running `"docker" "start" "-a" "f0bc4c47e431746b01ea609adbebc1c66c7782748a763b904a8ac95518f24715"`
Dec 05 01:39:41.747 INFO [stderr] usermod: no changes
Dec 05 01:39:41.813 INFO [stderr]     Checking text-classify v0.1.0 (/source)
Dec 05 01:39:42.571 INFO [stderr] warning: unused import: `std::env`
Dec 05 01:39:42.571 INFO [stderr]  --> src/main.rs:2:5
Dec 05 01:39:42.571 INFO [stderr]   |
Dec 05 01:39:42.571 INFO [stderr] 2 | use std::env;
Dec 05 01:39:42.571 INFO [stderr]   |     ^^^^^^^^
Dec 05 01:39:42.571 INFO [stderr]   |
Dec 05 01:39:42.571 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:39:42.571 INFO [stderr] 
Dec 05 01:39:42.571 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 01:39:42.571 INFO [stderr]  --> src/main.rs:4:5
Dec 05 01:39:42.571 INFO [stderr]   |
Dec 05 01:39:42.571 INFO [stderr] 4 | use std::io::prelude::*;
Dec 05 01:39:42.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.571 INFO [stderr] 
Dec 05 01:39:42.624 INFO [stderr] warning: unused import: `std::env`
Dec 05 01:39:42.625 INFO [stderr]  --> src/main.rs:2:5
Dec 05 01:39:42.625 INFO [stderr]   |
Dec 05 01:39:42.625 INFO [stderr] 2 | use std::env;
Dec 05 01:39:42.625 INFO [stderr]   |     ^^^^^^^^
Dec 05 01:39:42.625 INFO [stderr]   |
Dec 05 01:39:42.625 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:39:42.625 INFO [stderr] 
Dec 05 01:39:42.625 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 01:39:42.625 INFO [stderr]  --> src/main.rs:4:5
Dec 05 01:39:42.625 INFO [stderr]   |
Dec 05 01:39:42.625 INFO [stderr] 4 | use std::io::prelude::*;
Dec 05 01:39:42.625 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.625 INFO [stderr] 
Dec 05 01:39:42.707 INFO [stderr] warning: unused variable: `data`
Dec 05 01:39:42.707 INFO [stderr]   --> src/main.rs:51:22
Dec 05 01:39:42.707 INFO [stderr]    |
Dec 05 01:39:42.707 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Dec 05 01:39:42.707 INFO [stderr]    |                      ^^^^ help: consider using `_data` instead
Dec 05 01:39:42.707 INFO [stderr]    |
Dec 05 01:39:42.707 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:39:42.707 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: struct is never constructed: `LabelEncoder`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:18:1
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 18 | struct LabelEncoder {
Dec 05 01:39:42.768 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: method is never used: `new`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:24:5
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 24 |     fn new() -> LabelEncoder {
Dec 05 01:39:42.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: method is never used: `fit`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:28:5
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 28 |     fn fit(&mut self, labels : &[&str]) {
Dec 05 01:39:42.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: method is never used: `transform`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:37:5
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 37 |     fn transform(&self, labels : &[&str]) -> Vec<u32> {
Dec 05 01:39:42.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: struct is never constructed: `StopWordFilter`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:42:1
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 42 | struct StopWordFilter {
Dec 05 01:39:42.768 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: method is never used: `new`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:47:5
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 47 |     fn new() -> StopWordFilter {
Dec 05 01:39:42.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.768 INFO [stderr] warning: method is never used: `filter`
Dec 05 01:39:42.768 INFO [stderr]   --> src/main.rs:51:5
Dec 05 01:39:42.768 INFO [stderr]    |
Dec 05 01:39:42.768 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Dec 05 01:39:42.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.768 INFO [stderr] 
Dec 05 01:39:42.795 INFO [stderr] warning: unused variable: `data`
Dec 05 01:39:42.795 INFO [stderr]   --> src/main.rs:51:22
Dec 05 01:39:42.795 INFO [stderr]    |
Dec 05 01:39:42.795 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Dec 05 01:39:42.795 INFO [stderr]    |                      ^^^^ help: consider using `_data` instead
Dec 05 01:39:42.795 INFO [stderr]    |
Dec 05 01:39:42.795 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:39:42.795 INFO [stderr] 
Dec 05 01:39:42.903 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:39:42.903 INFO [stderr]    --> src/main.rs:230:9
Dec 05 01:39:42.903 INFO [stderr]     |
Dec 05 01:39:42.903 INFO [stderr] 230 |     let mut clf = Classifier::new();
Dec 05 01:39:42.903 INFO [stderr]     |         ----^^^
Dec 05 01:39:42.903 INFO [stderr]     |         |
Dec 05 01:39:42.903 INFO [stderr]     |         help: remove this `mut`
Dec 05 01:39:42.903 INFO [stderr]     |
Dec 05 01:39:42.903 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 01:39:42.903 INFO [stderr] 
Dec 05 01:39:42.903 INFO [stderr] warning: field is never used: `stop_words`
Dec 05 01:39:42.903 INFO [stderr]   --> src/main.rs:43:5
Dec 05 01:39:42.903 INFO [stderr]    |
Dec 05 01:39:42.903 INFO [stderr] 43 |     stop_words : Vec<String>,
Dec 05 01:39:42.903 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:39:42.903 INFO [stderr]    |
Dec 05 01:39:42.903 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:39:42.903 INFO [stderr] 
Dec 05 01:39:42.934 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 05 01:39:42.937 INFO [stderr] su: No module specific data is present
Dec 05 01:39:43.508 INFO running `"docker" "inspect" "f0bc4c47e431746b01ea609adbebc1c66c7782748a763b904a8ac95518f24715"`
Dec 05 01:39:43.727 INFO running `"docker" "rm" "-f" "f0bc4c47e431746b01ea609adbebc1c66c7782748a763b904a8ac95518f24715"`
Dec 05 01:39:43.914 INFO [stdout] f0bc4c47e431746b01ea609adbebc1c66c7782748a763b904a8ac95518f24715