[INFO] updating cached repository Goot449/RustyRocks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Goot449/RustyRocks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Goot449/RustyRocks" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Goot449/RustyRocks"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Goot449/RustyRocks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Goot449/RustyRocks" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Goot449/RustyRocks"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Goot449/RustyRocks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 97a3c47e025605eea1fed3396f33d0c9b1f0582c
[INFO] sha for GitHub repo Goot449/RustyRocks: 97a3c47e025605eea1fed3396f33d0c9b1f0582c
[INFO] validating manifest of Goot449/RustyRocks on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Goot449/RustyRocks on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Goot449/RustyRocks
[INFO] finished frobbing Goot449/RustyRocks
[INFO] frobbed toml for Goot449/RustyRocks written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Goot449/RustyRocks/Cargo.toml
[INFO] started frobbing Goot449/RustyRocks
[INFO] finished frobbing Goot449/RustyRocks
[INFO] frobbed toml for Goot449/RustyRocks written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Goot449/RustyRocks/Cargo.toml
[INFO] crate Goot449/RustyRocks already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Goot449/RustyRocks/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Goot449/RustyRocks against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Goot449/RustyRocks:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ab0dd220368ec1d3508ab4838be298f6ae743d1ef8f0ebf8e6e7a06851f45835
[INFO] running `"docker" "start" "-a" "ab0dd220368ec1d3508ab4838be298f6ae743d1ef8f0ebf8e6e7a06851f45835"`
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking RustyRocks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let mut num_turns = 0;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut b: Board = [[Square::Empty; 3]; 3];
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:126:26
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn take_turn(p: &Player, mut b: &mut Board) {
[INFO] [stderr]     |                          ----^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut b: Board = [[Square::Empty; 3]; 3];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let mut num_turns = 0;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `GameStatus`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum GameStatus {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustyRocks` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rusty_rocks`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut b: Board = [[Square::Empty; 3]; 3];
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:126:26
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn take_turn(p: &Player, mut b: &mut Board) {
[INFO] [stderr]     |                          ----^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut b: Board = [[Square::Empty; 3]; 3];
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `GameStatus`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | enum GameStatus {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustyRocks` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rusty_rocks`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `"docker" "inspect" "ab0dd220368ec1d3508ab4838be298f6ae743d1ef8f0ebf8e6e7a06851f45835"`
[INFO] running `"docker" "rm" "-f" "ab0dd220368ec1d3508ab4838be298f6ae743d1ef8f0ebf8e6e7a06851f45835"`
[INFO] [stdout] ab0dd220368ec1d3508ab4838be298f6ae743d1ef8f0ebf8e6e7a06851f45835