[INFO] updating cached repository Dynisious/tic_tac_toe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dynisious/tic_tac_toe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dynisious/tic_tac_toe" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/Dynisious/tic_tac_toe"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/Dynisious/tic_tac_toe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dynisious/tic_tac_toe" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/Dynisious/tic_tac_toe"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/Dynisious/tic_tac_toe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d006b1dbd4f2e0bc7480f226fc1bf57a05aa3b2
[INFO] sha for GitHub repo Dynisious/tic_tac_toe: 8d006b1dbd4f2e0bc7480f226fc1bf57a05aa3b2
[INFO] validating manifest of Dynisious/tic_tac_toe on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Dynisious/tic_tac_toe on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Dynisious/tic_tac_toe
[INFO] finished frobbing Dynisious/tic_tac_toe
[INFO] frobbed toml for Dynisious/tic_tac_toe written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/Dynisious/tic_tac_toe/Cargo.toml
[INFO] started frobbing Dynisious/tic_tac_toe
[INFO] finished frobbing Dynisious/tic_tac_toe
[INFO] frobbed toml for Dynisious/tic_tac_toe written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/Dynisious/tic_tac_toe/Cargo.toml
[INFO] crate Dynisious/tic_tac_toe has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Dynisious/tic_tac_toe against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-0/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8f0e6aec24b662b9a8038caa36fe9ee40e006d61e4e8fd70fb902d729df72f0b
[INFO] running `"docker" "start" "-a" "8f0e6aec24b662b9a8038caa36fe9ee40e006d61e4e8fd70fb902d729df72f0b"`
[INFO] [stderr]     Checking tic_tac_toe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `squares::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use squares::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `board::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use board::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `squares::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use squares::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `board::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use board::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/squares.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     X, O
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]   --> src/squares.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     X, O
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_square`
[INFO] [stderr]   --> src/board.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `winner`
[INFO] [stderr]   --> src/board.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn winner(&self) -> Square {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/squares.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     X, O
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]   --> src/squares.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     X, O
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_square`
[INFO] [stderr]   --> src/board.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `winner`
[INFO] [stderr]   --> src/board.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn winner(&self) -> Square {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "8f0e6aec24b662b9a8038caa36fe9ee40e006d61e4e8fd70fb902d729df72f0b"`
[INFO] running `"docker" "rm" "-f" "8f0e6aec24b662b9a8038caa36fe9ee40e006d61e4e8fd70fb902d729df72f0b"`
[INFO] [stdout] 8f0e6aec24b662b9a8038caa36fe9ee40e006d61e4e8fd70fb902d729df72f0b