[INFO] updating cached repository jorgeer/miner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jorgeer/miner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jorgeer/miner" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jorgeer/miner"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jorgeer/miner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jorgeer/miner" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jorgeer/miner"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jorgeer/miner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7edcb7d09456f5449c88ccf7c578dd4f2eb44cab
[INFO] sha for GitHub repo jorgeer/miner: 7edcb7d09456f5449c88ccf7c578dd4f2eb44cab
[INFO] validating manifest of jorgeer/miner on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jorgeer/miner on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jorgeer/miner
[INFO] finished frobbing jorgeer/miner
[INFO] frobbed toml for jorgeer/miner written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jorgeer/miner/Cargo.toml
[INFO] started frobbing jorgeer/miner
[INFO] finished frobbing jorgeer/miner
[INFO] frobbed toml for jorgeer/miner written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/jorgeer/miner/Cargo.toml
[INFO] crate jorgeer/miner has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jorgeer/miner against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/jorgeer/miner:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5908e47983bdb2fcff5202cb2a2a03b291ed7e961492d15ea28777a00290f596
[INFO] running `"docker" "start" "-a" "5908e47983bdb2fcff5202cb2a2a03b291ed7e961492d15ea28777a00290f596"`
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling derivative v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.54.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.48.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.52.0
[INFO] [stderr]     Checking piston_window v0.81.0
[INFO] [stderr]     Checking miner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `grid_width`
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let grid_width = 30;
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_grid_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lives`
[INFO] [stderr]   --> src/main.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |             for (pos, lives) in cells {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_lives`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lives`
[INFO] [stderr]   --> src/main.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         for (pos, lives) in &self.cells {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_lives`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             newCells.entry(xy_to_pos((x + 1, y), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             newCells.entry(xy_to_pos((x - 1, y), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             newCells.entry(xy_to_pos((x, y + 1), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             newCells.entry(xy_to_pos((x, y - 1), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of borrowed content
[INFO] [stderr]   --> src/main.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 |         self.cells = *newCells;
[INFO] [stderr]    |                      ^^^^^^^^^ cannot move out of borrowed content
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0507, E0596.
[INFO] [stderr] For more information about an error, try `rustc --explain E0507`.
[INFO] [stderr] error: Could not compile `miner`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `grid_width`
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let grid_width = 30;
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_grid_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lives`
[INFO] [stderr]   --> src/main.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |             for (pos, lives) in cells {
[INFO] [stderr]    |                       ^^^^^ help: consider prefixing with an underscore: `_lives`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lives`
[INFO] [stderr]   --> src/main.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         for (pos, lives) in &self.cells {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_lives`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             newCells.entry(xy_to_pos((x + 1, y), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             newCells.entry(xy_to_pos((x - 1, y), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             newCells.entry(xy_to_pos((x, y + 1), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow immutable borrowed content `*newCells` as mutable
[INFO] [stderr]   --> src/main.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             newCells.entry(xy_to_pos((x, y - 1), grid_width)).or_insert(1);
[INFO] [stderr]    |             ^^^^^^^^ cannot borrow as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0507]: cannot move out of borrowed content
[INFO] [stderr]   --> src/main.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 |         self.cells = *newCells;
[INFO] [stderr]    |                      ^^^^^^^^^ cannot move out of borrowed content
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0507, E0596.
[INFO] [stderr] For more information about an error, try `rustc --explain E0507`.
[INFO] [stderr] error: Could not compile `miner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5908e47983bdb2fcff5202cb2a2a03b291ed7e961492d15ea28777a00290f596"`
[INFO] running `"docker" "rm" "-f" "5908e47983bdb2fcff5202cb2a2a03b291ed7e961492d15ea28777a00290f596"`
[INFO] [stdout] 5908e47983bdb2fcff5202cb2a2a03b291ed7e961492d15ea28777a00290f596