[INFO] updating cached repository SCOTPAUL/game_of_life
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SCOTPAUL/game_of_life
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SCOTPAUL/game_of_life" "work/ex/beta-1.37-6/sources/1.36.0/gh/SCOTPAUL/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/SCOTPAUL/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SCOTPAUL/game_of_life" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SCOTPAUL/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SCOTPAUL/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8afccaee7dbc4c83bb509c20949fbe388d4e5e4
[INFO] sha for GitHub repo SCOTPAUL/game_of_life: b8afccaee7dbc4c83bb509c20949fbe388d4e5e4
[INFO] validating manifest of SCOTPAUL/game_of_life on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SCOTPAUL/game_of_life on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SCOTPAUL/game_of_life
[INFO] finished frobbing SCOTPAUL/game_of_life
[INFO] frobbed toml for SCOTPAUL/game_of_life written to work/ex/beta-1.37-6/sources/1.36.0/gh/SCOTPAUL/game_of_life/Cargo.toml
[INFO] started frobbing SCOTPAUL/game_of_life
[INFO] finished frobbing SCOTPAUL/game_of_life
[INFO] frobbed toml for SCOTPAUL/game_of_life written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SCOTPAUL/game_of_life/Cargo.toml
[INFO] crate SCOTPAUL/game_of_life already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing SCOTPAUL/game_of_life against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/SCOTPAUL/game_of_life:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7f9e545d5c5694523d9381b16546366fb028297347e8b96aa16923d86b5e0be4
[INFO] running `"docker" "start" "-a" "7f9e545d5c5694523d9381b16546366fb028297347e8b96aa16923d86b5e0be4"`
[INFO] [stderr]    Compiling gag v0.1.9
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling rustty v0.1.12
[INFO] [stderr]    Compiling game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
[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:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `"docker" "inspect" "7f9e545d5c5694523d9381b16546366fb028297347e8b96aa16923d86b5e0be4"`
[INFO] running `"docker" "rm" "-f" "7f9e545d5c5694523d9381b16546366fb028297347e8b96aa16923d86b5e0be4"`
[INFO] [stdout] 7f9e545d5c5694523d9381b16546366fb028297347e8b96aa16923d86b5e0be4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/SCOTPAUL/game_of_life:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba25d4adacb6b0b9797e4e27ed5110b2e8cf52474d38c9f6c398cfdbc9c3d2e8
[INFO] running `"docker" "start" "-a" "ba25d4adacb6b0b9797e4e27ed5110b2e8cf52474d38c9f6c398cfdbc9c3d2e8"`
[INFO] [stderr]    Compiling game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
[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:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let mut current_cell = term.get_mut(cursor_pos.x, cursor_pos.y).unwrap();
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "ba25d4adacb6b0b9797e4e27ed5110b2e8cf52474d38c9f6c398cfdbc9c3d2e8"`
[INFO] running `"docker" "rm" "-f" "ba25d4adacb6b0b9797e4e27ed5110b2e8cf52474d38c9f6c398cfdbc9c3d2e8"`
[INFO] [stdout] ba25d4adacb6b0b9797e4e27ed5110b2e8cf52474d38c9f6c398cfdbc9c3d2e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/SCOTPAUL/game_of_life:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a19139c187e3e16c236d8dd68d7b98af97bfc915e0171a071a73d69ce97b257f
[INFO] running `"docker" "start" "-a" "a19139c187e3e16c236d8dd68d7b98af97bfc915e0171a071a73d69ce97b257f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/game_of_life-146b210d8bf6e173
[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" "a19139c187e3e16c236d8dd68d7b98af97bfc915e0171a071a73d69ce97b257f"`
[INFO] running `"docker" "rm" "-f" "a19139c187e3e16c236d8dd68d7b98af97bfc915e0171a071a73d69ce97b257f"`
[INFO] [stdout] a19139c187e3e16c236d8dd68d7b98af97bfc915e0171a071a73d69ce97b257f