Nov 28 12:42:02.420 INFO checking Kneipenrunde/text-classify against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 12:42:02.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12:42:02.884 INFO [stdout] b919b719a6f7347d644feef9854d58f9d168cd6054ef6bd6cf6466adfccafea4
Nov 28 12:42:02.900 INFO running `"docker" "start" "-a" "b919b719a6f7347d644feef9854d58f9d168cd6054ef6bd6cf6466adfccafea4"`
Nov 28 12:42:03.984 INFO [stderr] usermod: no changes
Nov 28 12:42:04.036 INFO [stderr]     Checking text-classify v0.1.0 (/source)
Nov 28 12:42:04.580 INFO [stderr] warning: unused import: `std::env`
Nov 28 12:42:04.580 INFO [stderr]  --> src/main.rs:2:5
Nov 28 12:42:04.580 INFO [stderr]   |
Nov 28 12:42:04.580 INFO [stderr] 2 | use std::env;
Nov 28 12:42:04.580 INFO [stderr]   |     ^^^^^^^^
Nov 28 12:42:04.580 INFO [stderr]   |
Nov 28 12:42:04.580 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:42:04.580 INFO [stderr] 
Nov 28 12:42:04.580 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 12:42:04.580 INFO [stderr]  --> src/main.rs:4:5
Nov 28 12:42:04.580 INFO [stderr]   |
Nov 28 12:42:04.580 INFO [stderr] 4 | use std::io::prelude::*;
Nov 28 12:42:04.580 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.580 INFO [stderr] 
Nov 28 12:42:04.622 INFO [stderr] warning: unused import: `std::env`
Nov 28 12:42:04.622 INFO [stderr]  --> src/main.rs:2:5
Nov 28 12:42:04.622 INFO [stderr]   |
Nov 28 12:42:04.623 INFO [stderr] 2 | use std::env;
Nov 28 12:42:04.623 INFO [stderr]   |     ^^^^^^^^
Nov 28 12:42:04.623 INFO [stderr]   |
Nov 28 12:42:04.624 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 12:42:04.624 INFO [stderr] 
Nov 28 12:42:04.624 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 12:42:04.625 INFO [stderr]  --> src/main.rs:4:5
Nov 28 12:42:04.625 INFO [stderr]   |
Nov 28 12:42:04.625 INFO [stderr] 4 | use std::io::prelude::*;
Nov 28 12:42:04.626 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.626 INFO [stderr] 
Nov 28 12:42:04.648 INFO [stderr] warning: unused variable: `data`
Nov 28 12:42:04.648 INFO [stderr]   --> src/main.rs:51:22
Nov 28 12:42:04.649 INFO [stderr]    |
Nov 28 12:42:04.649 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Nov 28 12:42:04.649 INFO [stderr]    |                      ^^^^ help: consider using `_data` instead
Nov 28 12:42:04.650 INFO [stderr]    |
Nov 28 12:42:04.650 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 12:42:04.650 INFO [stderr] 
Nov 28 12:42:04.691 INFO [stderr] warning: struct is never constructed: `LabelEncoder`
Nov 28 12:42:04.691 INFO [stderr]   --> src/main.rs:18:1
Nov 28 12:42:04.707 INFO [stderr]    |
Nov 28 12:42:04.707 INFO [stderr] 18 | struct LabelEncoder {
Nov 28 12:42:04.707 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.707 INFO [stderr]    |
Nov 28 12:42:04.707 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:42:04.707 INFO [stderr] 
Nov 28 12:42:04.708 INFO [stderr] warning: method is never used: `new`
Nov 28 12:42:04.708 INFO [stderr]   --> src/main.rs:24:5
Nov 28 12:42:04.708 INFO [stderr]    |
Nov 28 12:42:04.708 INFO [stderr] 24 |     fn new() -> LabelEncoder {
Nov 28 12:42:04.708 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.708 INFO [stderr] 
Nov 28 12:42:04.708 INFO [stderr] warning: method is never used: `fit`
Nov 28 12:42:04.709 INFO [stderr]   --> src/main.rs:28:5
Nov 28 12:42:04.709 INFO [stderr]    |
Nov 28 12:42:04.709 INFO [stderr] 28 |     fn fit(&mut self, labels : &[&str]) {
Nov 28 12:42:04.709 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.709 INFO [stderr] 
Nov 28 12:42:04.709 INFO [stderr] warning: method is never used: `transform`
Nov 28 12:42:04.709 INFO [stderr]   --> src/main.rs:37:5
Nov 28 12:42:04.710 INFO [stderr]    |
Nov 28 12:42:04.710 INFO [stderr] 37 |     fn transform(&self, labels : &[&str]) -> Vec<u32> {
Nov 28 12:42:04.710 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.710 INFO [stderr] 
Nov 28 12:42:04.710 INFO [stderr] warning: struct is never constructed: `StopWordFilter`
Nov 28 12:42:04.711 INFO [stderr]   --> src/main.rs:42:1
Nov 28 12:42:04.711 INFO [stderr]    |
Nov 28 12:42:04.711 INFO [stderr] 42 | struct StopWordFilter {
Nov 28 12:42:04.711 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.711 INFO [stderr] 
Nov 28 12:42:04.711 INFO [stderr] warning: method is never used: `new`
Nov 28 12:42:04.711 INFO [stderr]   --> src/main.rs:47:5
Nov 28 12:42:04.711 INFO [stderr]    |
Nov 28 12:42:04.711 INFO [stderr] 47 |     fn new() -> StopWordFilter {
Nov 28 12:42:04.711 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.711 INFO [stderr] 
Nov 28 12:42:04.711 INFO [stderr] warning: method is never used: `filter`
Nov 28 12:42:04.711 INFO [stderr]   --> src/main.rs:51:5
Nov 28 12:42:04.711 INFO [stderr]    |
Nov 28 12:42:04.711 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Nov 28 12:42:04.711 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.711 INFO [stderr] 
Nov 28 12:42:04.770 INFO [stderr] warning: unused variable: `data`
Nov 28 12:42:04.770 INFO [stderr]   --> src/main.rs:51:22
Nov 28 12:42:04.770 INFO [stderr]    |
Nov 28 12:42:04.770 INFO [stderr] 51 |     fn filter(&self, data : &str) -> String {
Nov 28 12:42:04.770 INFO [stderr]    |                      ^^^^ help: consider using `_data` instead
Nov 28 12:42:04.770 INFO [stderr]    |
Nov 28 12:42:04.770 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 12:42:04.770 INFO [stderr] 
Nov 28 12:42:04.831 INFO [stderr] warning: variable does not need to be mutable
Nov 28 12:42:04.832 INFO [stderr]    --> src/main.rs:230:9
Nov 28 12:42:04.832 INFO [stderr]     |
Nov 28 12:42:04.832 INFO [stderr] 230 |     let mut clf = Classifier::new();
Nov 28 12:42:04.832 INFO [stderr]     |         ----^^^
Nov 28 12:42:04.832 INFO [stderr]     |         |
Nov 28 12:42:04.832 INFO [stderr]     |         help: remove this `mut`
Nov 28 12:42:04.832 INFO [stderr]     |
Nov 28 12:42:04.832 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 12:42:04.832 INFO [stderr] 
Nov 28 12:42:04.832 INFO [stderr] warning: field is never used: `stop_words`
Nov 28 12:42:04.832 INFO [stderr]   --> src/main.rs:43:5
Nov 28 12:42:04.832 INFO [stderr]    |
Nov 28 12:42:04.832 INFO [stderr] 43 |     stop_words : Vec<String>,
Nov 28 12:42:04.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 12:42:04.832 INFO [stderr]    |
Nov 28 12:42:04.832 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 12:42:04.832 INFO [stderr] 
Nov 28 12:42:04.846 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Nov 28 12:42:04.847 INFO [stderr] su: No module specific data is present
Nov 28 12:42:05.158 INFO running `"docker" "inspect" "b919b719a6f7347d644feef9854d58f9d168cd6054ef6bd6cf6466adfccafea4"`
Nov 28 12:42:05.280 INFO running `"docker" "rm" "-f" "b919b719a6f7347d644feef9854d58f9d168cd6054ef6bd6cf6466adfccafea4"`
Nov 28 12:42:05.400 INFO [stdout] b919b719a6f7347d644feef9854d58f9d168cd6054ef6bd6cf6466adfccafea4