[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/beta-1.38-1/sources/1.37.0/gh/jorgeer/miner"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jorgeer/miner'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jorgeer/miner" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jorgeer/miner"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 jorgeer/miner 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 jorgeer/miner [INFO] finished frobbing jorgeer/miner [INFO] frobbed toml for jorgeer/miner written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/jorgeer/miner/Cargo.toml [INFO] crate jorgeer/miner 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 jorgeer/miner 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-6/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/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=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] c187fcd1c5b114775f164c09160bf19e7cc7013662b0bd795a84b8d625d82f1d [INFO] running `"docker" "start" "-a" "c187fcd1c5b114775f164c09160bf19e7cc7013662b0bd795a84b8d625d82f1d"` [INFO] [stderr] Compiling stb_truetype v0.2.4 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling syn v0.15.15 [INFO] [stderr] Compiling glutin v0.18.0 [INFO] [stderr] Compiling gfx_gl v0.5.0 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Compiling ordered-float v0.5.2 [INFO] [stderr] Compiling wayland-sys v0.20.12 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling rusttype v0.4.3 [INFO] [stderr] Compiling wayland-commons v0.20.12 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling wayland-client v0.20.12 [INFO] [stderr] Compiling piston2d-graphics v0.26.0 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling wayland-protocols v0.20.12 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling smithay-client-toolkit v0.3.0 [INFO] [stderr] Compiling winit v0.17.2 [INFO] [stderr] Compiling derivative v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling gfx_core v0.8.3 [INFO] [stderr] Compiling tiff v0.2.1 [INFO] [stderr] Compiling image v0.20.0 [INFO] [stderr] Compiling pistoncore-input v0.21.0 [INFO] [stderr] Compiling pistoncore-window v0.32.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.37.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.48.0 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.54.0 [INFO] [stderr] Compiling piston v0.37.0 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_device_gl v0.15.3 [INFO] [stderr] Compiling piston-gfx_texture v0.34.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.52.0 [INFO] [stderr] Compiling piston_window v0.81.0 [INFO] [stderr] Compiling 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 `*newCells` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 61 | let newCells = &self.cells.clone(); [INFO] [stderr] | ------------------- help: consider changing this to be a mutable reference: `&mut self.cells.clone()` [INFO] [stderr] ... [INFO] [stderr] 67 | newCells.entry(xy_to_pos((x + 1, y), grid_width)).or_insert(1); [INFO] [stderr] | ^^^^^^^^ `newCells` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*newCells` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:68:13 [INFO] [stderr] | [INFO] [stderr] 61 | let newCells = &self.cells.clone(); [INFO] [stderr] | ------------------- help: consider changing this to be a mutable reference: `&mut self.cells.clone()` [INFO] [stderr] ... [INFO] [stderr] 68 | newCells.entry(xy_to_pos((x - 1, y), grid_width)).or_insert(1); [INFO] [stderr] | ^^^^^^^^ `newCells` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*newCells` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 61 | let newCells = &self.cells.clone(); [INFO] [stderr] | ------------------- help: consider changing this to be a mutable reference: `&mut self.cells.clone()` [INFO] [stderr] ... [INFO] [stderr] 69 | newCells.entry(xy_to_pos((x, y + 1), grid_width)).or_insert(1); [INFO] [stderr] | ^^^^^^^^ `newCells` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `*newCells` as mutable, as it is behind a `&` reference [INFO] [stderr] --> src/main.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 61 | let newCells = &self.cells.clone(); [INFO] [stderr] | ------------------- help: consider changing this to be a mutable reference: `&mut self.cells.clone()` [INFO] [stderr] ... [INFO] [stderr] 70 | newCells.entry(xy_to_pos((x, y - 1), grid_width)).or_insert(1); [INFO] [stderr] | ^^^^^^^^ `newCells` is a `&` reference, so the data it refers to cannot be borrowed as mutable [INFO] [stderr] [INFO] [stderr] error[E0507]: cannot move out of `*newCells` which is behind a shared reference [INFO] [stderr] --> src/main.rs:73:22 [INFO] [stderr] | [INFO] [stderr] 73 | self.cells = *newCells; [INFO] [stderr] | ^^^^^^^^^ move occurs because `*newCells` has type `std::collections::HashMap`, which does not implement the `Copy` trait [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: 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" "c187fcd1c5b114775f164c09160bf19e7cc7013662b0bd795a84b8d625d82f1d"` [INFO] running `"docker" "rm" "-f" "c187fcd1c5b114775f164c09160bf19e7cc7013662b0bd795a84b8d625d82f1d"` [INFO] [stdout] c187fcd1c5b114775f164c09160bf19e7cc7013662b0bd795a84b8d625d82f1d