Dec 18 07:53:54.924 INFO checking Dynisious/tic_tac_toe against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:53:54.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Dynisious/tic_tac_toe:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:53:55.280 INFO [stdout] 1a4fb636fc6ab10960ce7e5916f2fdf6da0ca7760e06dab876c1517df43ad952
Dec 18 07:53:55.281 INFO running `"docker" "start" "-a" "1a4fb636fc6ab10960ce7e5916f2fdf6da0ca7760e06dab876c1517df43ad952"`
Dec 18 07:53:55.864 INFO [stderr]     Checking tic_tac_toe v0.1.0 (/opt/crater/workdir)
Dec 18 07:53:56.021 INFO [stderr] warning: unused import: `squares::*`
Dec 18 07:53:56.021 INFO [stderr]  --> src/main.rs:8:5
Dec 18 07:53:56.021 INFO [stderr]   |
Dec 18 07:53:56.021 INFO [stderr] 8 | use squares::*;
Dec 18 07:53:56.021 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:53:56.021 INFO [stderr]   |
Dec 18 07:53:56.021 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:53:56.021 INFO [stderr] 
Dec 18 07:53:56.021 INFO [stderr] warning: unused import: `board::*`
Dec 18 07:53:56.021 INFO [stderr]  --> src/main.rs:9:5
Dec 18 07:53:56.021 INFO [stderr]   |
Dec 18 07:53:56.021 INFO [stderr] 9 | use board::*;
Dec 18 07:53:56.021 INFO [stderr]   |     ^^^^^^^^
Dec 18 07:53:56.021 INFO [stderr] 
Dec 18 07:53:56.021 INFO [stderr] warning: unused import: `Read`
Dec 18 07:53:56.021 INFO [stderr]   --> src/main.rs:12:15
Dec 18 07:53:56.021 INFO [stderr]    |
Dec 18 07:53:56.021 INFO [stderr] 12 | use std::io::{Read, Write};
Dec 18 07:53:56.021 INFO [stderr]    |               ^^^^
Dec 18 07:53:56.021 INFO [stderr] 
Dec 18 07:53:56.028 INFO [stderr] warning: unused import: `squares::*`
Dec 18 07:53:56.028 INFO [stderr]  --> src/main.rs:8:5
Dec 18 07:53:56.028 INFO [stderr]   |
Dec 18 07:53:56.028 INFO [stderr] 8 | use squares::*;
Dec 18 07:53:56.028 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 07:53:56.028 INFO [stderr]   |
Dec 18 07:53:56.028 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:53:56.028 INFO [stderr] 
Dec 18 07:53:56.029 INFO [stderr] warning: unused import: `board::*`
Dec 18 07:53:56.029 INFO [stderr]  --> src/main.rs:9:5
Dec 18 07:53:56.029 INFO [stderr]   |
Dec 18 07:53:56.029 INFO [stderr] 9 | use board::*;
Dec 18 07:53:56.029 INFO [stderr]   |     ^^^^^^^^
Dec 18 07:53:56.029 INFO [stderr] 
Dec 18 07:53:56.029 INFO [stderr] warning: unused import: `Read`
Dec 18 07:53:56.029 INFO [stderr]   --> src/main.rs:12:15
Dec 18 07:53:56.029 INFO [stderr]    |
Dec 18 07:53:56.029 INFO [stderr] 12 | use std::io::{Read, Write};
Dec 18 07:53:56.029 INFO [stderr]    |               ^^^^
Dec 18 07:53:56.029 INFO [stderr] 
Dec 18 07:53:56.081 INFO [stderr] warning: type alias is never used: `Square`
Dec 18 07:53:56.081 INFO [stderr]  --> src/squares.rs:5:1
Dec 18 07:53:56.081 INFO [stderr]   |
Dec 18 07:53:56.081 INFO [stderr] 5 | pub type Square = Option<Mark>;
Dec 18 07:53:56.081 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:56.081 INFO [stderr]   |
Dec 18 07:53:56.081 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:53:56.081 INFO [stderr] 
Dec 18 07:53:56.081 INFO [stderr] warning: variant is never constructed: `X`
Dec 18 07:53:56.081 INFO [stderr]   --> src/squares.rs:10:5
Dec 18 07:53:56.081 INFO [stderr]    |
Dec 18 07:53:56.081 INFO [stderr] 10 |     X, O
Dec 18 07:53:56.081 INFO [stderr]    |     ^
Dec 18 07:53:56.081 INFO [stderr] 
Dec 18 07:53:56.081 INFO [stderr] warning: variant is never constructed: `O`
Dec 18 07:53:56.081 INFO [stderr]   --> src/squares.rs:10:8
Dec 18 07:53:56.081 INFO [stderr]    |
Dec 18 07:53:56.081 INFO [stderr] 10 |     X, O
Dec 18 07:53:56.081 INFO [stderr]    |        ^
Dec 18 07:53:56.081 INFO [stderr] 
Dec 18 07:53:56.081 INFO [stderr] warning: method is never used: `set_square`
Dec 18 07:53:56.081 INFO [stderr]   --> src/board.rs:26:5
Dec 18 07:53:56.081 INFO [stderr]    |
Dec 18 07:53:56.081 INFO [stderr] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
Dec 18 07:53:56.082 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.082 INFO [stderr] warning: method is never used: `winner`
Dec 18 07:53:56.082 INFO [stderr]   --> src/board.rs:33:5
Dec 18 07:53:56.082 INFO [stderr]    |
Dec 18 07:53:56.082 INFO [stderr] 33 |     pub fn winner(&self) -> Square {
Dec 18 07:53:56.082 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.082 INFO [stderr] warning: type alias is never used: `Square`
Dec 18 07:53:56.082 INFO [stderr]  --> src/squares.rs:5:1
Dec 18 07:53:56.082 INFO [stderr]   |
Dec 18 07:53:56.082 INFO [stderr] 5 | pub type Square = Option<Mark>;
Dec 18 07:53:56.082 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:56.082 INFO [stderr]   |
Dec 18 07:53:56.082 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.082 INFO [stderr] warning: variant is never constructed: `X`
Dec 18 07:53:56.082 INFO [stderr]   --> src/squares.rs:10:5
Dec 18 07:53:56.082 INFO [stderr]    |
Dec 18 07:53:56.082 INFO [stderr] 10 |     X, O
Dec 18 07:53:56.082 INFO [stderr]    |     ^
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.082 INFO [stderr] warning: variant is never constructed: `O`
Dec 18 07:53:56.082 INFO [stderr]   --> src/squares.rs:10:8
Dec 18 07:53:56.082 INFO [stderr]    |
Dec 18 07:53:56.082 INFO [stderr] 10 |     X, O
Dec 18 07:53:56.082 INFO [stderr]    |        ^
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.082 INFO [stderr] warning: method is never used: `set_square`
Dec 18 07:53:56.082 INFO [stderr]   --> src/board.rs:26:5
Dec 18 07:53:56.082 INFO [stderr]    |
Dec 18 07:53:56.082 INFO [stderr] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
Dec 18 07:53:56.082 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.082 INFO [stderr] warning: method is never used: `winner`
Dec 18 07:53:56.082 INFO [stderr]   --> src/board.rs:33:5
Dec 18 07:53:56.082 INFO [stderr]    |
Dec 18 07:53:56.082 INFO [stderr] 33 |     pub fn winner(&self) -> Square {
Dec 18 07:53:56.082 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:53:56.082 INFO [stderr] 
Dec 18 07:53:56.098 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
Dec 18 07:53:56.343 INFO running `"docker" "inspect" "1a4fb636fc6ab10960ce7e5916f2fdf6da0ca7760e06dab876c1517df43ad952"`
Dec 18 07:53:56.412 INFO running `"docker" "rm" "-f" "1a4fb636fc6ab10960ce7e5916f2fdf6da0ca7760e06dab876c1517df43ad952"`
Dec 18 07:53:56.500 INFO [stdout] 1a4fb636fc6ab10960ce7e5916f2fdf6da0ca7760e06dab876c1517df43ad952