[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/beta-1.38-1/sources/1.37.0/gh/Dynisious/tic_tac_toe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Dynisious/tic_tac_toe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dynisious/tic_tac_toe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dynisious/tic_tac_toe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Dynisious/tic_tac_toe on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/Dynisious/tic_tac_toe/Cargo.toml
[INFO] crate Dynisious/tic_tac_toe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Dynisious/tic_tac_toe against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8a9a582c19cf9148637d3d71d9573322c870c398a1ef759eeab26ecca59b6d49
[INFO] running `"docker" "start" "-a" "8a9a582c19cf9148637d3d71d9573322c870c398a1ef759eeab26ecca59b6d49"`
[INFO] [stderr]    Compiling 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: 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 0.64s
[INFO] running `"docker" "inspect" "8a9a582c19cf9148637d3d71d9573322c870c398a1ef759eeab26ecca59b6d49"`
[INFO] running `"docker" "rm" "-f" "8a9a582c19cf9148637d3d71d9573322c870c398a1ef759eeab26ecca59b6d49"`
[INFO] [stdout] 8a9a582c19cf9148637d3d71d9573322c870c398a1ef759eeab26ecca59b6d49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ba5654e999f4d5b5e356e286e923d8aa17199bf15fbc5cefbfbe62386b59e76
[INFO] running `"docker" "start" "-a" "4ba5654e999f4d5b5e356e286e923d8aa17199bf15fbc5cefbfbe62386b59e76"`
[INFO] [stderr]    Compiling 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: 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 0.70s
[INFO] running `"docker" "inspect" "4ba5654e999f4d5b5e356e286e923d8aa17199bf15fbc5cefbfbe62386b59e76"`
[INFO] running `"docker" "rm" "-f" "4ba5654e999f4d5b5e356e286e923d8aa17199bf15fbc5cefbfbe62386b59e76"`
[INFO] [stdout] 4ba5654e999f4d5b5e356e286e923d8aa17199bf15fbc5cefbfbe62386b59e76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] da986f7e4f294bd0f0335926554a01d2f9afaf9b2d55d0ac9984327dda6bbbb1
[INFO] running `"docker" "start" "-a" "da986f7e4f294bd0f0335926554a01d2f9afaf9b2d55d0ac9984327dda6bbbb1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tic_tac_toe-feaacf045fed5e79
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "da986f7e4f294bd0f0335926554a01d2f9afaf9b2d55d0ac9984327dda6bbbb1"`
[INFO] running `"docker" "rm" "-f" "da986f7e4f294bd0f0335926554a01d2f9afaf9b2d55d0ac9984327dda6bbbb1"`
[INFO] [stdout] da986f7e4f294bd0f0335926554a01d2f9afaf9b2d55d0ac9984327dda6bbbb1