Dec 05 02:45:52.547 INFO checking Dynisious/tic_tac_toe against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:45:52.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 02:45:52.799 INFO [stdout] 4db228bd9dcc671122bdcfc93bbc78ff328b2f4197f04f02588c4dfdb23c462d
Dec 05 02:45:52.801 INFO running `"docker" "start" "-a" "4db228bd9dcc671122bdcfc93bbc78ff328b2f4197f04f02588c4dfdb23c462d"`
Dec 05 02:45:53.667 INFO [stderr] usermod: no changes
Dec 05 02:45:53.727 INFO [stderr]     Checking tic_tac_toe v0.1.0 (/source)
Dec 05 02:45:54.211 INFO [stderr] warning: unused import: `squares::*`
Dec 05 02:45:54.211 INFO [stderr]  --> src/main.rs:8:5
Dec 05 02:45:54.211 INFO [stderr]   |
Dec 05 02:45:54.211 INFO [stderr] 8 | use squares::*;
Dec 05 02:45:54.211 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:45:54.211 INFO [stderr]   |
Dec 05 02:45:54.211 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:45:54.211 INFO [stderr] 
Dec 05 02:45:54.211 INFO [stderr] warning: unused import: `board::*`
Dec 05 02:45:54.211 INFO [stderr]  --> src/main.rs:9:5
Dec 05 02:45:54.211 INFO [stderr]   |
Dec 05 02:45:54.211 INFO [stderr] 9 | use board::*;
Dec 05 02:45:54.211 INFO [stderr]   |     ^^^^^^^^
Dec 05 02:45:54.211 INFO [stderr] 
Dec 05 02:45:54.211 INFO [stderr] warning: unused import: `Read`
Dec 05 02:45:54.211 INFO [stderr]   --> src/main.rs:12:15
Dec 05 02:45:54.211 INFO [stderr]    |
Dec 05 02:45:54.211 INFO [stderr] 12 | use std::io::{Read, Write};
Dec 05 02:45:54.211 INFO [stderr]    |               ^^^^
Dec 05 02:45:54.211 INFO [stderr] 
Dec 05 02:45:54.303 INFO [stderr] warning: type alias is never used: `Square`
Dec 05 02:45:54.303 INFO [stderr]  --> src/squares.rs:5:1
Dec 05 02:45:54.303 INFO [stderr]   |
Dec 05 02:45:54.303 INFO [stderr] 5 | pub type Square = Option<Mark>;
Dec 05 02:45:54.303 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:45:54.303 INFO [stderr]   |
Dec 05 02:45:54.303 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 02:45:54.303 INFO [stderr] 
Dec 05 02:45:54.303 INFO [stderr] warning: variant is never constructed: `X`
Dec 05 02:45:54.303 INFO [stderr]   --> src/squares.rs:10:5
Dec 05 02:45:54.303 INFO [stderr]    |
Dec 05 02:45:54.303 INFO [stderr] 10 |     X, O
Dec 05 02:45:54.303 INFO [stderr]    |     ^
Dec 05 02:45:54.303 INFO [stderr] 
Dec 05 02:45:54.303 INFO [stderr] warning: variant is never constructed: `O`
Dec 05 02:45:54.303 INFO [stderr]   --> src/squares.rs:10:8
Dec 05 02:45:54.303 INFO [stderr]    |
Dec 05 02:45:54.303 INFO [stderr] 10 |     X, O
Dec 05 02:45:54.303 INFO [stderr]    |        ^
Dec 05 02:45:54.303 INFO [stderr] 
Dec 05 02:45:54.303 INFO [stderr] warning: method is never used: `set_square`
Dec 05 02:45:54.303 INFO [stderr]   --> src/board.rs:26:5
Dec 05 02:45:54.303 INFO [stderr]    |
Dec 05 02:45:54.303 INFO [stderr] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
Dec 05 02:45:54.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:45:54.303 INFO [stderr] 
Dec 05 02:45:54.303 INFO [stderr] warning: method is never used: `winner`
Dec 05 02:45:54.303 INFO [stderr]   --> src/board.rs:33:5
Dec 05 02:45:54.303 INFO [stderr]    |
Dec 05 02:45:54.303 INFO [stderr] 33 |     pub fn winner(&self) -> Square {
Dec 05 02:45:54.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:45:54.303 INFO [stderr] 
Dec 05 02:45:54.455 INFO [stderr] warning: unused import: `squares::*`
Dec 05 02:45:54.455 INFO [stderr]  --> src/main.rs:8:5
Dec 05 02:45:54.455 INFO [stderr]   |
Dec 05 02:45:54.455 INFO [stderr] 8 | use squares::*;
Dec 05 02:45:54.455 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 02:45:54.455 INFO [stderr]   |
Dec 05 02:45:54.455 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:45:54.455 INFO [stderr] 
Dec 05 02:45:54.455 INFO [stderr] warning: unused import: `board::*`
Dec 05 02:45:54.455 INFO [stderr]  --> src/main.rs:9:5
Dec 05 02:45:54.455 INFO [stderr]   |
Dec 05 02:45:54.455 INFO [stderr] 9 | use board::*;
Dec 05 02:45:54.455 INFO [stderr]   |     ^^^^^^^^
Dec 05 02:45:54.455 INFO [stderr] 
Dec 05 02:45:54.455 INFO [stderr] warning: unused import: `Read`
Dec 05 02:45:54.455 INFO [stderr]   --> src/main.rs:12:15
Dec 05 02:45:54.455 INFO [stderr]    |
Dec 05 02:45:54.455 INFO [stderr] 12 | use std::io::{Read, Write};
Dec 05 02:45:54.455 INFO [stderr]    |               ^^^^
Dec 05 02:45:54.455 INFO [stderr] 
Dec 05 02:45:54.511 INFO [stderr] warning: type alias is never used: `Square`
Dec 05 02:45:54.511 INFO [stderr]  --> src/squares.rs:5:1
Dec 05 02:45:54.511 INFO [stderr]   |
Dec 05 02:45:54.511 INFO [stderr] 5 | pub type Square = Option<Mark>;
Dec 05 02:45:54.511 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:45:54.511 INFO [stderr]   |
Dec 05 02:45:54.511 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 02:45:54.511 INFO [stderr] 
Dec 05 02:45:54.511 INFO [stderr] warning: variant is never constructed: `X`
Dec 05 02:45:54.511 INFO [stderr]   --> src/squares.rs:10:5
Dec 05 02:45:54.511 INFO [stderr]    |
Dec 05 02:45:54.511 INFO [stderr] 10 |     X, O
Dec 05 02:45:54.511 INFO [stderr]    |     ^
Dec 05 02:45:54.511 INFO [stderr] 
Dec 05 02:45:54.511 INFO [stderr] warning: variant is never constructed: `O`
Dec 05 02:45:54.511 INFO [stderr]   --> src/squares.rs:10:8
Dec 05 02:45:54.511 INFO [stderr]    |
Dec 05 02:45:54.511 INFO [stderr] 10 |     X, O
Dec 05 02:45:54.511 INFO [stderr]    |        ^
Dec 05 02:45:54.511 INFO [stderr] 
Dec 05 02:45:54.511 INFO [stderr] warning: method is never used: `set_square`
Dec 05 02:45:54.511 INFO [stderr]   --> src/board.rs:26:5
Dec 05 02:45:54.511 INFO [stderr]    |
Dec 05 02:45:54.511 INFO [stderr] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
Dec 05 02:45:54.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:45:54.511 INFO [stderr] 
Dec 05 02:45:54.511 INFO [stderr] warning: method is never used: `winner`
Dec 05 02:45:54.511 INFO [stderr]   --> src/board.rs:33:5
Dec 05 02:45:54.511 INFO [stderr]    |
Dec 05 02:45:54.511 INFO [stderr] 33 |     pub fn winner(&self) -> Square {
Dec 05 02:45:54.511 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:45:54.511 INFO [stderr] 
Dec 05 02:45:54.530 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 05 02:45:54.532 INFO [stderr] su: No module specific data is present
Dec 05 02:45:54.893 INFO running `"docker" "inspect" "4db228bd9dcc671122bdcfc93bbc78ff328b2f4197f04f02588c4dfdb23c462d"`
Dec 05 02:45:55.015 INFO running `"docker" "rm" "-f" "4db228bd9dcc671122bdcfc93bbc78ff328b2f4197f04f02588c4dfdb23c462d"`
Dec 05 02:45:55.165 INFO [stdout] 4db228bd9dcc671122bdcfc93bbc78ff328b2f4197f04f02588c4dfdb23c462d