Dec 18 04:35:17.637 INFO checking ademonov/bingo-bot against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:35:17.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/ademonov/bingo-bot:/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 04:35:18.074 INFO [stdout] cb33b70ca33536da263d975d5fd1f613b301c745d18a228abf2ce6f555ad54a6
Dec 18 04:35:18.076 INFO running `"docker" "start" "-a" "cb33b70ca33536da263d975d5fd1f613b301c745d18a228abf2ce6f555ad54a6"`
Dec 18 04:35:19.511 INFO [stderr]     Checking serde_test v0.8.21
Dec 18 04:35:19.513 INFO [stderr]     Checking humantime v1.0.0
Dec 18 04:35:19.513 INFO [stderr]     Checking ordered-float v0.2.3
Dec 18 04:35:19.513 INFO [stderr]     Checking cookie v0.2.5
Dec 18 04:35:20.620 INFO [stderr]     Checking serde-value v0.3.1
Dec 18 04:35:21.092 INFO [stderr]     Checking hyper v0.9.14
Dec 18 04:35:21.577 INFO [stderr]     Checking linked-hash-map v0.3.0
Dec 18 04:35:22.248 INFO [stderr]     Checking yaml-rust v0.3.5
Dec 18 04:35:23.596 INFO [stderr]     Checking serde_yaml v0.5.0
Dec 18 04:35:24.288 INFO [stderr]     Checking log4rs v0.5.2
Dec 18 04:35:25.704 INFO [stderr]     Checking bingo-bot v0.1.0 (/opt/crater/workdir)
Dec 18 04:35:26.336 INFO [stderr] warning: unused variable: `s`
Dec 18 04:35:26.336 INFO [stderr]  --> src/bingo/words.rs:2:21
Dec 18 04:35:26.336 INFO [stderr]   |
Dec 18 04:35:26.336 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 18 04:35:26.336 INFO [stderr]   |                     ^ help: consider using `_s` instead
Dec 18 04:35:26.336 INFO [stderr]   |
Dec 18 04:35:26.336 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 04:35:26.336 INFO [stderr] 
Dec 18 04:35:26.356 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:35:26.356 INFO [stderr]   --> src/http.rs:12:9
Dec 18 04:35:26.356 INFO [stderr]    |
Dec 18 04:35:26.356 INFO [stderr] 12 |     let mut s_buf:String;
Dec 18 04:35:26.356 INFO [stderr]    |         ----^^^^^
Dec 18 04:35:26.356 INFO [stderr]    |         |
Dec 18 04:35:26.356 INFO [stderr]    |         help: remove this `mut`
Dec 18 04:35:26.356 INFO [stderr]    |
Dec 18 04:35:26.356 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:35:26.356 INFO [stderr] 
Dec 18 04:35:26.370 INFO [stderr] warning: unused variable: `s`
Dec 18 04:35:26.370 INFO [stderr]  --> src/bingo/words.rs:2:21
Dec 18 04:35:26.370 INFO [stderr]   |
Dec 18 04:35:26.370 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 18 04:35:26.370 INFO [stderr]   |                     ^ help: consider using `_s` instead
Dec 18 04:35:26.370 INFO [stderr]   |
Dec 18 04:35:26.370 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 04:35:26.370 INFO [stderr] 
Dec 18 04:35:26.370 INFO [stderr] warning: function is never used: `listening`
Dec 18 04:35:26.370 INFO [stderr]  --> src/http.rs:6:1
Dec 18 04:35:26.370 INFO [stderr]   |
Dec 18 04:35:26.370 INFO [stderr] 6 | pub fn listening(url: &str) {
Dec 18 04:35:26.370 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.370 INFO [stderr]   |
Dec 18 04:35:26.370 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 04:35:26.370 INFO [stderr] 
Dec 18 04:35:26.370 INFO [stderr] warning: function is never used: `handle_proc`
Dec 18 04:35:26.370 INFO [stderr]   --> src/http.rs:11:1
Dec 18 04:35:26.370 INFO [stderr]    |
Dec 18 04:35:26.370 INFO [stderr] 11 | fn handle_proc(req: Request, mut res: Response) {
Dec 18 04:35:26.370 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.370 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: struct is never constructed: `GitterMdFormatProvider`
Dec 18 04:35:26.371 INFO [stderr]   --> src/formatting.rs:10:1
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 10 | pub struct GitterMdFormatProvider;
Dec 18 04:35:26.371 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: method is never used: `new`
Dec 18 04:35:26.371 INFO [stderr]   --> src/formatting.rs:13:5
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 13 |     pub fn new() -> GitterMdFormatProvider{
Dec 18 04:35:26.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: method is never used: `new`
Dec 18 04:35:26.371 INFO [stderr]   --> src/bingo/cards.rs:15:5
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 15 |     pub fn new(word: &'a str) -> CardCell<'a> {
Dec 18 04:35:26.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: method is never used: `check`
Dec 18 04:35:26.371 INFO [stderr]   --> src/bingo/cards.rs:27:5
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 27 |     pub fn check(&mut self) {
Dec 18 04:35:26.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: struct is never constructed: `Card`
Dec 18 04:35:26.371 INFO [stderr]   --> src/bingo/cards.rs:32:1
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 32 | pub struct Card<'a> {
Dec 18 04:35:26.371 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: method is never used: `new`
Dec 18 04:35:26.371 INFO [stderr]   --> src/bingo/cards.rs:38:5
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 38 |     pub fn new<I>(word_iter: I) -> Card<'a> where I: Iterator<Item = &'a &'a str> {
Dec 18 04:35:26.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: method is never used: `check_cell`
Dec 18 04:35:26.371 INFO [stderr]   --> src/bingo/cards.rs:42:5
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 42 |     pub fn check_cell(&mut self, row: usize, col: usize) {
Dec 18 04:35:26.371 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: function is never used: `fill_cells`
Dec 18 04:35:26.371 INFO [stderr]   --> src/bingo/cards.rs:47:1
Dec 18 04:35:26.371 INFO [stderr]    |
Dec 18 04:35:26.371 INFO [stderr] 47 | fn fill_cells<'a, I>(word_iter: I) -> [[CardCell<'a>; COL_COUNT]; ROW_COUNT] where I: Iterator<Item = &'a &'a str> {
Dec 18 04:35:26.371 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.371 INFO [stderr] 
Dec 18 04:35:26.371 INFO [stderr] warning: function is never used: `split`
Dec 18 04:35:26.371 INFO [stderr]  --> src/bingo/words.rs:2:1
Dec 18 04:35:26.371 INFO [stderr]   |
Dec 18 04:35:26.372 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 18 04:35:26.372 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.372 INFO [stderr] 
Dec 18 04:35:26.372 INFO [stderr] warning: struct is never constructed: `Word`
Dec 18 04:35:26.372 INFO [stderr]  --> src/bingo/words.rs:6:1
Dec 18 04:35:26.372 INFO [stderr]   |
Dec 18 04:35:26.372 INFO [stderr] 6 | pub struct Word {
Dec 18 04:35:26.372 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 18 04:35:26.372 INFO [stderr] 
Dec 18 04:35:26.372 INFO [stderr] warning: method is never used: `new`
Dec 18 04:35:26.372 INFO [stderr]   --> src/bingo/words.rs:12:6
Dec 18 04:35:26.372 INFO [stderr]    |
Dec 18 04:35:26.372 INFO [stderr] 12 |      pub fn new(title: &str, synonyms: Vec<&str>) -> Word {
Dec 18 04:35:26.372 INFO [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.372 INFO [stderr] 
Dec 18 04:35:26.391 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:35:26.391 INFO [stderr]   --> src/http.rs:12:9
Dec 18 04:35:26.391 INFO [stderr]    |
Dec 18 04:35:26.391 INFO [stderr] 12 |     let mut s_buf:String;
Dec 18 04:35:26.391 INFO [stderr]    |         ----^^^^^
Dec 18 04:35:26.391 INFO [stderr]    |         |
Dec 18 04:35:26.391 INFO [stderr]    |         help: remove this `mut`
Dec 18 04:35:26.391 INFO [stderr]    |
Dec 18 04:35:26.391 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:35:26.391 INFO [stderr] 
Dec 18 04:35:26.418 INFO [stderr] warning: function is never used: `listening`
Dec 18 04:35:26.418 INFO [stderr]  --> src/http.rs:6:1
Dec 18 04:35:26.418 INFO [stderr]   |
Dec 18 04:35:26.418 INFO [stderr] 6 | pub fn listening(url: &str) {
Dec 18 04:35:26.418 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.418 INFO [stderr]   |
Dec 18 04:35:26.418 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 04:35:26.418 INFO [stderr] 
Dec 18 04:35:26.418 INFO [stderr] warning: function is never used: `handle_proc`
Dec 18 04:35:26.418 INFO [stderr]   --> src/http.rs:11:1
Dec 18 04:35:26.418 INFO [stderr]    |
Dec 18 04:35:26.418 INFO [stderr] 11 | fn handle_proc(req: Request, mut res: Response) {
Dec 18 04:35:26.418 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.418 INFO [stderr] 
Dec 18 04:35:26.418 INFO [stderr] warning: struct is never constructed: `GitterMdFormatProvider`
Dec 18 04:35:26.418 INFO [stderr]   --> src/formatting.rs:10:1
Dec 18 04:35:26.418 INFO [stderr]    |
Dec 18 04:35:26.419 INFO [stderr] 10 | pub struct GitterMdFormatProvider;
Dec 18 04:35:26.419 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.419 INFO [stderr] 
Dec 18 04:35:26.419 INFO [stderr] warning: method is never used: `new`
Dec 18 04:35:26.419 INFO [stderr]   --> src/formatting.rs:13:5
Dec 18 04:35:26.419 INFO [stderr]    |
Dec 18 04:35:26.419 INFO [stderr] 13 |     pub fn new() -> GitterMdFormatProvider{
Dec 18 04:35:26.419 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.419 INFO [stderr] 
Dec 18 04:35:26.419 INFO [stderr] warning: function is never used: `split`
Dec 18 04:35:26.419 INFO [stderr]  --> src/bingo/words.rs:2:1
Dec 18 04:35:26.419 INFO [stderr]   |
Dec 18 04:35:26.419 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 18 04:35:26.419 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.419 INFO [stderr] 
Dec 18 04:35:26.419 INFO [stderr] warning: struct is never constructed: `Word`
Dec 18 04:35:26.419 INFO [stderr]  --> src/bingo/words.rs:6:1
Dec 18 04:35:26.419 INFO [stderr]   |
Dec 18 04:35:26.419 INFO [stderr] 6 | pub struct Word {
Dec 18 04:35:26.419 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 18 04:35:26.419 INFO [stderr] 
Dec 18 04:35:26.419 INFO [stderr] warning: method is never used: `new`
Dec 18 04:35:26.419 INFO [stderr]   --> src/bingo/words.rs:12:6
Dec 18 04:35:26.419 INFO [stderr]    |
Dec 18 04:35:26.419 INFO [stderr] 12 |      pub fn new(title: &str, synonyms: Vec<&str>) -> Word {
Dec 18 04:35:26.419 INFO [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:35:26.419 INFO [stderr] 
Dec 18 04:35:26.441 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
Dec 18 04:35:26.701 INFO running `"docker" "inspect" "cb33b70ca33536da263d975d5fd1f613b301c745d18a228abf2ce6f555ad54a6"`
Dec 18 04:35:26.814 INFO running `"docker" "rm" "-f" "cb33b70ca33536da263d975d5fd1f613b301c745d18a228abf2ce6f555ad54a6"`
Dec 18 04:35:26.952 INFO [stdout] cb33b70ca33536da263d975d5fd1f613b301c745d18a228abf2ce6f555ad54a6