Dec 19 21:03:34.081 INFO checking ademonov/bingo-bot against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:03:34.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:03:34.572 INFO [stdout] c7e3ecb31727d61359856a87a79d04578c210dc455f8cdfe5b57c9d36acce5c8
Dec 19 21:03:34.574 INFO running `"docker" "start" "-a" "c7e3ecb31727d61359856a87a79d04578c210dc455f8cdfe5b57c9d36acce5c8"`
Dec 19 21:03:36.384 INFO [stderr]     Checking serde_test v0.8.21
Dec 19 21:03:36.384 INFO [stderr]     Checking humantime v1.0.0
Dec 19 21:03:36.384 INFO [stderr]     Checking ordered-float v0.2.3
Dec 19 21:03:36.384 INFO [stderr]     Checking chrono v0.2.25
Dec 19 21:03:36.384 INFO [stderr]     Checking cookie v0.2.5
Dec 19 21:03:37.464 INFO [stderr]     Checking serde-value v0.3.1
Dec 19 21:03:38.255 INFO [stderr]     Checking hyper v0.9.14
Dec 19 21:03:39.301 INFO [stderr]     Checking linked-hash-map v0.3.0
Dec 19 21:03:40.232 INFO [stderr]     Checking yaml-rust v0.3.5
Dec 19 21:03:41.608 INFO [stderr]     Checking serde_yaml v0.5.0
Dec 19 21:03:42.276 INFO [stderr]     Checking log4rs v0.5.2
Dec 19 21:03:43.588 INFO [stderr]     Checking bingo-bot v0.1.0 (/opt/crater/workdir)
Dec 19 21:03:44.348 INFO [stderr] warning: unused variable: `s`
Dec 19 21:03:44.348 INFO [stderr]  --> src/bingo/words.rs:2:21
Dec 19 21:03:44.348 INFO [stderr]   |
Dec 19 21:03:44.348 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 19 21:03:44.348 INFO [stderr]   |                     ^ help: consider using `_s` instead
Dec 19 21:03:44.348 INFO [stderr]   |
Dec 19 21:03:44.348 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 21:03:44.348 INFO [stderr] 
Dec 19 21:03:44.367 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:44.367 INFO [stderr]   --> src/http.rs:12:9
Dec 19 21:03:44.367 INFO [stderr]    |
Dec 19 21:03:44.367 INFO [stderr] 12 |     let mut s_buf:String;
Dec 19 21:03:44.367 INFO [stderr]    |         ----^^^^^
Dec 19 21:03:44.367 INFO [stderr]    |         |
Dec 19 21:03:44.367 INFO [stderr]    |         help: remove this `mut`
Dec 19 21:03:44.367 INFO [stderr]    |
Dec 19 21:03:44.367 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:03:44.367 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: function is never used: `listening`
Dec 19 21:03:44.389 INFO [stderr]  --> src/http.rs:6:1
Dec 19 21:03:44.389 INFO [stderr]   |
Dec 19 21:03:44.389 INFO [stderr] 6 | pub fn listening(url: &str) {
Dec 19 21:03:44.389 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr]   |
Dec 19 21:03:44.389 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: function is never used: `handle_proc`
Dec 19 21:03:44.389 INFO [stderr]   --> src/http.rs:11:1
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 11 | fn handle_proc(req: Request, mut res: Response) {
Dec 19 21:03:44.389 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: struct is never constructed: `GitterMdFormatProvider`
Dec 19 21:03:44.389 INFO [stderr]   --> src/formatting.rs:10:1
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 10 | pub struct GitterMdFormatProvider;
Dec 19 21:03:44.389 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: method is never used: `new`
Dec 19 21:03:44.389 INFO [stderr]   --> src/formatting.rs:13:5
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 13 |     pub fn new() -> GitterMdFormatProvider{
Dec 19 21:03:44.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: method is never used: `new`
Dec 19 21:03:44.389 INFO [stderr]   --> src/bingo/cards.rs:15:5
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 15 |     pub fn new(word: &'a str) -> CardCell<'a> {
Dec 19 21:03:44.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: method is never used: `check`
Dec 19 21:03:44.389 INFO [stderr]   --> src/bingo/cards.rs:27:5
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 27 |     pub fn check(&mut self) {
Dec 19 21:03:44.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: struct is never constructed: `Card`
Dec 19 21:03:44.389 INFO [stderr]   --> src/bingo/cards.rs:32:1
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 32 | pub struct Card<'a> {
Dec 19 21:03:44.389 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: method is never used: `new`
Dec 19 21:03:44.389 INFO [stderr]   --> src/bingo/cards.rs:38:5
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 38 |     pub fn new<I>(word_iter: I) -> Card<'a> where I: Iterator<Item = &'a &'a str> {
Dec 19 21:03:44.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: method is never used: `check_cell`
Dec 19 21:03:44.389 INFO [stderr]   --> src/bingo/cards.rs:42:5
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 INFO [stderr] 42 |     pub fn check_cell(&mut self, row: usize, col: usize) {
Dec 19 21:03:44.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: function is never used: `fill_cells`
Dec 19 21:03:44.389 INFO [stderr]   --> src/bingo/cards.rs:47:1
Dec 19 21:03:44.389 INFO [stderr]    |
Dec 19 21:03:44.389 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 19 21:03:44.389 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: function is never used: `split`
Dec 19 21:03:44.389 INFO [stderr]  --> src/bingo/words.rs:2:1
Dec 19 21:03:44.389 INFO [stderr]   |
Dec 19 21:03:44.389 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 19 21:03:44.389 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.389 INFO [stderr] 
Dec 19 21:03:44.389 INFO [stderr] warning: struct is never constructed: `Word`
Dec 19 21:03:44.390 INFO [stderr]  --> src/bingo/words.rs:6:1
Dec 19 21:03:44.390 INFO [stderr]   |
Dec 19 21:03:44.390 INFO [stderr] 6 | pub struct Word {
Dec 19 21:03:44.390 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 21:03:44.390 INFO [stderr] 
Dec 19 21:03:44.390 INFO [stderr] warning: method is never used: `new`
Dec 19 21:03:44.390 INFO [stderr]   --> src/bingo/words.rs:12:6
Dec 19 21:03:44.390 INFO [stderr]    |
Dec 19 21:03:44.390 INFO [stderr] 12 |      pub fn new(title: &str, synonyms: Vec<&str>) -> Word {
Dec 19 21:03:44.390 INFO [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.390 INFO [stderr] 
Dec 19 21:03:44.506 INFO [stderr] warning: unused variable: `s`
Dec 19 21:03:44.506 INFO [stderr]  --> src/bingo/words.rs:2:21
Dec 19 21:03:44.506 INFO [stderr]   |
Dec 19 21:03:44.506 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 19 21:03:44.506 INFO [stderr]   |                     ^ help: consider using `_s` instead
Dec 19 21:03:44.506 INFO [stderr]   |
Dec 19 21:03:44.506 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 21:03:44.506 INFO [stderr] 
Dec 19 21:03:44.532 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:03:44.532 INFO [stderr]   --> src/http.rs:12:9
Dec 19 21:03:44.532 INFO [stderr]    |
Dec 19 21:03:44.532 INFO [stderr] 12 |     let mut s_buf:String;
Dec 19 21:03:44.532 INFO [stderr]    |         ----^^^^^
Dec 19 21:03:44.532 INFO [stderr]    |         |
Dec 19 21:03:44.532 INFO [stderr]    |         help: remove this `mut`
Dec 19 21:03:44.532 INFO [stderr]    |
Dec 19 21:03:44.532 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:03:44.532 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: function is never used: `listening`
Dec 19 21:03:44.557 INFO [stderr]  --> src/http.rs:6:1
Dec 19 21:03:44.557 INFO [stderr]   |
Dec 19 21:03:44.557 INFO [stderr] 6 | pub fn listening(url: &str) {
Dec 19 21:03:44.557 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr]   |
Dec 19 21:03:44.557 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: function is never used: `handle_proc`
Dec 19 21:03:44.557 INFO [stderr]   --> src/http.rs:11:1
Dec 19 21:03:44.557 INFO [stderr]    |
Dec 19 21:03:44.557 INFO [stderr] 11 | fn handle_proc(req: Request, mut res: Response) {
Dec 19 21:03:44.557 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: struct is never constructed: `GitterMdFormatProvider`
Dec 19 21:03:44.557 INFO [stderr]   --> src/formatting.rs:10:1
Dec 19 21:03:44.557 INFO [stderr]    |
Dec 19 21:03:44.557 INFO [stderr] 10 | pub struct GitterMdFormatProvider;
Dec 19 21:03:44.557 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: method is never used: `new`
Dec 19 21:03:44.557 INFO [stderr]   --> src/formatting.rs:13:5
Dec 19 21:03:44.557 INFO [stderr]    |
Dec 19 21:03:44.557 INFO [stderr] 13 |     pub fn new() -> GitterMdFormatProvider{
Dec 19 21:03:44.557 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: function is never used: `split`
Dec 19 21:03:44.557 INFO [stderr]  --> src/bingo/words.rs:2:1
Dec 19 21:03:44.557 INFO [stderr]   |
Dec 19 21:03:44.557 INFO [stderr] 2 | pub fn split<'a, I>(s: &'a str) -> I where I: Iterator<Item = &'a &'a str> {
Dec 19 21:03:44.557 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: struct is never constructed: `Word`
Dec 19 21:03:44.557 INFO [stderr]  --> src/bingo/words.rs:6:1
Dec 19 21:03:44.557 INFO [stderr]   |
Dec 19 21:03:44.557 INFO [stderr] 6 | pub struct Word {
Dec 19 21:03:44.557 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.557 INFO [stderr] warning: method is never used: `new`
Dec 19 21:03:44.557 INFO [stderr]   --> src/bingo/words.rs:12:6
Dec 19 21:03:44.557 INFO [stderr]    |
Dec 19 21:03:44.557 INFO [stderr] 12 |      pub fn new(title: &str, synonyms: Vec<&str>) -> Word {
Dec 19 21:03:44.557 INFO [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:03:44.557 INFO [stderr] 
Dec 19 21:03:44.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.39s
Dec 19 21:03:45.427 INFO running `"docker" "inspect" "c7e3ecb31727d61359856a87a79d04578c210dc455f8cdfe5b57c9d36acce5c8"`
Dec 19 21:03:45.652 INFO running `"docker" "rm" "-f" "c7e3ecb31727d61359856a87a79d04578c210dc455f8cdfe5b57c9d36acce5c8"`
Dec 19 21:03:46.052 INFO [stdout] c7e3ecb31727d61359856a87a79d04578c210dc455f8cdfe5b57c9d36acce5c8