Nov 30 05:25:47.016 INFO checking chc4/minesweeper against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 05:25:47.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 05:25:47.546 INFO [stdout] 79655bd98cc13efde5a4841f08d226b836032cf0e837a09d5233158738df5ccc
Nov 30 05:25:47.550 INFO running `"docker" "start" "-a" "79655bd98cc13efde5a4841f08d226b836032cf0e837a09d5233158738df5ccc"`
Nov 30 05:25:48.925 INFO [stderr] usermod: no changes
Nov 30 05:25:49.002 INFO [stderr]     Checking minesweeper v0.1.0 (/source)
Nov 30 05:25:49.567 INFO [stderr] warning: unused import: `std::io`
Nov 30 05:25:49.567 INFO [stderr]  --> src/main.rs:1:5
Nov 30 05:25:49.567 INFO [stderr]   |
Nov 30 05:25:49.567 INFO [stderr] 1 | use std::io;
Nov 30 05:25:49.567 INFO [stderr]   |     ^^^^^^^
Nov 30 05:25:49.567 INFO [stderr]   |
Nov 30 05:25:49.567 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:25:49.567 INFO [stderr] 
Nov 30 05:25:49.684 INFO [stderr] warning: unused variable: `stdin`
Nov 30 05:25:49.684 INFO [stderr]    --> src/main.rs:183:9
Nov 30 05:25:49.684 INFO [stderr]     |
Nov 30 05:25:49.684 INFO [stderr] 183 |     let stdin = std::io::stdin();
Nov 30 05:25:49.684 INFO [stderr]     |         ^^^^^ help: consider using `_stdin` instead
Nov 30 05:25:49.684 INFO [stderr]     |
Nov 30 05:25:49.684 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 05:25:49.684 INFO [stderr] 
Nov 30 05:25:49.684 INFO [stderr] warning: unused variable: `i`
Nov 30 05:25:49.684 INFO [stderr]   --> src/main.rs:56:13
Nov 30 05:25:49.684 INFO [stderr]    |
Nov 30 05:25:49.684 INFO [stderr] 56 |         for i in 0..y {
Nov 30 05:25:49.684 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 30 05:25:49.684 INFO [stderr] 
Nov 30 05:25:49.685 INFO [stderr] warning: unused variable: `j`
Nov 30 05:25:49.685 INFO [stderr]   --> src/main.rs:58:17
Nov 30 05:25:49.685 INFO [stderr]    |
Nov 30 05:25:49.685 INFO [stderr] 58 |             for j in 0..x {
Nov 30 05:25:49.685 INFO [stderr]    |                 ^ help: consider using `_j` instead
Nov 30 05:25:49.685 INFO [stderr] 
Nov 30 05:25:49.685 INFO [stderr] warning: unused variable: `count`
Nov 30 05:25:49.685 INFO [stderr]    --> src/main.rs:108:36
Nov 30 05:25:49.685 INFO [stderr]     |
Nov 30 05:25:49.685 INFO [stderr] 108 |         if let Slot::Empty(visible,count) = slot {
Nov 30 05:25:49.685 INFO [stderr]     |                                    ^^^^^ help: consider using `_count` instead
Nov 30 05:25:49.685 INFO [stderr] 
Nov 30 05:25:49.696 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:25:49.696 INFO [stderr]   --> src/main.rs:30:9
Nov 30 05:25:49.696 INFO [stderr]    |
Nov 30 05:25:49.696 INFO [stderr] 30 |     let mut stdin = std::io::stdin();
Nov 30 05:25:49.696 INFO [stderr]    |         ----^^^^^
Nov 30 05:25:49.696 INFO [stderr]    |         |
Nov 30 05:25:49.696 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:25:49.696 INFO [stderr]    |
Nov 30 05:25:49.696 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:25:49.696 INFO [stderr] 
Nov 30 05:25:50.016 INFO [stderr] warning: unused import: `std::io`
Nov 30 05:25:50.016 INFO [stderr]  --> src/main.rs:1:5
Nov 30 05:25:50.016 INFO [stderr]   |
Nov 30 05:25:50.016 INFO [stderr] 1 | use std::io;
Nov 30 05:25:50.016 INFO [stderr]   |     ^^^^^^^
Nov 30 05:25:50.016 INFO [stderr]   |
Nov 30 05:25:50.016 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:25:50.016 INFO [stderr] 
Nov 30 05:25:50.156 INFO [stderr] warning: unused variable: `stdin`
Nov 30 05:25:50.156 INFO [stderr]    --> src/main.rs:183:9
Nov 30 05:25:50.156 INFO [stderr]     |
Nov 30 05:25:50.156 INFO [stderr] 183 |     let stdin = std::io::stdin();
Nov 30 05:25:50.156 INFO [stderr]     |         ^^^^^ help: consider using `_stdin` instead
Nov 30 05:25:50.156 INFO [stderr]     |
Nov 30 05:25:50.156 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 05:25:50.156 INFO [stderr] 
Nov 30 05:25:50.156 INFO [stderr] warning: unused variable: `i`
Nov 30 05:25:50.156 INFO [stderr]   --> src/main.rs:56:13
Nov 30 05:25:50.156 INFO [stderr]    |
Nov 30 05:25:50.156 INFO [stderr] 56 |         for i in 0..y {
Nov 30 05:25:50.156 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 30 05:25:50.160 INFO [stderr] 
Nov 30 05:25:50.160 INFO [stderr] warning: unused variable: `j`
Nov 30 05:25:50.160 INFO [stderr]   --> src/main.rs:58:17
Nov 30 05:25:50.160 INFO [stderr]    |
Nov 30 05:25:50.160 INFO [stderr] 58 |             for j in 0..x {
Nov 30 05:25:50.160 INFO [stderr]    |                 ^ help: consider using `_j` instead
Nov 30 05:25:50.160 INFO [stderr] 
Nov 30 05:25:50.160 INFO [stderr] warning: unused variable: `count`
Nov 30 05:25:50.160 INFO [stderr]    --> src/main.rs:108:36
Nov 30 05:25:50.160 INFO [stderr]     |
Nov 30 05:25:50.160 INFO [stderr] 108 |         if let Slot::Empty(visible,count) = slot {
Nov 30 05:25:50.160 INFO [stderr]     |                                    ^^^^^ help: consider using `_count` instead
Nov 30 05:25:50.160 INFO [stderr] 
Nov 30 05:25:50.164 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:25:50.164 INFO [stderr]   --> src/main.rs:30:9
Nov 30 05:25:50.164 INFO [stderr]    |
Nov 30 05:25:50.164 INFO [stderr] 30 |     let mut stdin = std::io::stdin();
Nov 30 05:25:50.164 INFO [stderr]    |         ----^^^^^
Nov 30 05:25:50.164 INFO [stderr]    |         |
Nov 30 05:25:50.164 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:25:50.164 INFO [stderr]    |
Nov 30 05:25:50.164 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:25:50.164 INFO [stderr] 
Nov 30 05:25:50.220 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Nov 30 05:25:50.228 INFO [stderr] su: No module specific data is present
Nov 30 05:25:51.208 INFO running `"docker" "inspect" "79655bd98cc13efde5a4841f08d226b836032cf0e837a09d5233158738df5ccc"`
Nov 30 05:25:51.524 INFO running `"docker" "rm" "-f" "79655bd98cc13efde5a4841f08d226b836032cf0e837a09d5233158738df5ccc"`
Nov 30 05:25:51.748 INFO [stdout] 79655bd98cc13efde5a4841f08d226b836032cf0e837a09d5233158738df5ccc