[INFO] updating cached repository Jibbow/rust-2048 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Jibbow/rust-2048 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Jibbow/rust-2048" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Jibbow/rust-2048"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Jibbow/rust-2048'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Jibbow/rust-2048" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Jibbow/rust-2048"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Jibbow/rust-2048'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e6c5635a11ca75878009a5346339ceb5e58322c5 [INFO] sha for GitHub repo Jibbow/rust-2048: e6c5635a11ca75878009a5346339ceb5e58322c5 [INFO] validating manifest of Jibbow/rust-2048 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Jibbow/rust-2048 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Jibbow/rust-2048 [INFO] finished frobbing Jibbow/rust-2048 [INFO] frobbed toml for Jibbow/rust-2048 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Jibbow/rust-2048/Cargo.toml [INFO] started frobbing Jibbow/rust-2048 [INFO] finished frobbing Jibbow/rust-2048 [INFO] frobbed toml for Jibbow/rust-2048 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Jibbow/rust-2048/Cargo.toml [INFO] crate Jibbow/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Jibbow/rust-2048 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Jibbow/rust-2048:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2d84cb42f5a8a2c7ea43c8ac5da71a99e467bdc58887c9b0bfd87f405ae79ae3 [INFO] running `"docker" "start" "-a" "2d84cb42f5a8a2c7ea43c8ac5da71a99e467bdc58887c9b0bfd87f405ae79ae3"` [INFO] [stderr] Checking serde v1.0.17 [INFO] [stderr] Compiling rand v0.3.17 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Checking arrayvec v0.4.5 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.17 [INFO] [stderr] Checking image v0.17.0 [INFO] [stderr] Checking rusttype v0.2.3 [INFO] [stderr] Compiling derivative v1.0.0 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `K` [INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `V` [INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking piston2d-graphics v0.23.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Checking piston2d-opengl_graphics v0.49.0 [INFO] [stderr] Checking gfx_core v0.7.2 [INFO] [stderr] Checking pistoncore-input v0.20.0 [INFO] [stderr] Checking pistoncore-window v0.30.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Checking pistoncore-event_loop v0.35.0 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.9.10 [INFO] [stderr] Checking piston v0.35.0 [INFO] [stderr] Checking wayland-client v0.9.10 [INFO] [stderr] Checking wayland-protocols v0.9.10 [INFO] [stderr] Checking wayland-kbd v0.9.1 [INFO] [stderr] Checking wayland-window v0.8.0 [INFO] [stderr] Checking winit v0.8.3 [INFO] [stderr] Checking glutin v0.10.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.42.0 [INFO] [stderr] Checking gfx v0.16.1 [INFO] [stderr] Checking gfx_device_gl v0.14.4 [INFO] [stderr] Checking piston-gfx_texture v0.29.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.46.0 [INFO] [stderr] Checking piston_window v0.73.0 [INFO] [stderr] Checking rust-2048 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `Rectangle` is imported redundantly [INFO] [stderr] --> src/gameboard_view.rs:68:24 [INFO] [stderr] | [INFO] [stderr] 5 | use piston_window::*; [INFO] [stderr] | ---------------- the item `Rectangle` is already imported here [INFO] [stderr] ... [INFO] [stderr] 68 | use graphics::{Rectangle}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/main.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | if let Some(args) = e.render_args() { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_args` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/gameboard_view.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | let size = settings.size / gameboardsize as f64 - 8.0; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/gameboard.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | pos.0 >= 0 && (pos.0 as usize) < SIZE [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/gameboard.rs:68:16 [INFO] [stderr] | [INFO] [stderr] 68 | && pos.1 >= 0 && (pos.1 as usize) < SIZE [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Rectangle` is imported redundantly [INFO] [stderr] --> src/gameboard_view.rs:68:24 [INFO] [stderr] | [INFO] [stderr] 5 | use piston_window::*; [INFO] [stderr] | ---------------- the item `Rectangle` is already imported here [INFO] [stderr] ... [INFO] [stderr] 68 | use graphics::{Rectangle}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/main.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | if let Some(args) = e.render_args() { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_args` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/gameboard_view.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | let size = settings.size / gameboardsize as f64 - 8.0; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/gameboard.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | pos.0 >= 0 && (pos.0 as usize) < SIZE [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/gameboard.rs:68:16 [INFO] [stderr] | [INFO] [stderr] 68 | && pos.1 >= 0 && (pos.1 as usize) < SIZE [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.47s [INFO] running `"docker" "inspect" "2d84cb42f5a8a2c7ea43c8ac5da71a99e467bdc58887c9b0bfd87f405ae79ae3"` [INFO] running `"docker" "rm" "-f" "2d84cb42f5a8a2c7ea43c8ac5da71a99e467bdc58887c9b0bfd87f405ae79ae3"` [INFO] [stdout] 2d84cb42f5a8a2c7ea43c8ac5da71a99e467bdc58887c9b0bfd87f405ae79ae3