[INFO] updating cached repository Enigmatrix/minesweeper-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Enigmatrix/minesweeper-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Enigmatrix/minesweeper-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Enigmatrix/minesweeper-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Enigmatrix/minesweeper-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Enigmatrix/minesweeper-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Enigmatrix/minesweeper-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Enigmatrix/minesweeper-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 79a2345405ec4fb1ea691f9f1d82447a5e7af228 [INFO] sha for GitHub repo Enigmatrix/minesweeper-rust: 79a2345405ec4fb1ea691f9f1d82447a5e7af228 [INFO] validating manifest of Enigmatrix/minesweeper-rust 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 Enigmatrix/minesweeper-rust 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 Enigmatrix/minesweeper-rust [INFO] finished frobbing Enigmatrix/minesweeper-rust [INFO] frobbed toml for Enigmatrix/minesweeper-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Enigmatrix/minesweeper-rust/Cargo.toml [INFO] started frobbing Enigmatrix/minesweeper-rust [INFO] finished frobbing Enigmatrix/minesweeper-rust [INFO] frobbed toml for Enigmatrix/minesweeper-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Enigmatrix/minesweeper-rust/Cargo.toml [INFO] crate Enigmatrix/minesweeper-rust 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 Enigmatrix/minesweeper-rust 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-4/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/Enigmatrix/minesweeper-rust:/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] 4f813ca26e559614670a51a9131bb9398a23940a4b3500b20939db1d08471ee2 [INFO] running `"docker" "start" "-a" "4f813ca26e559614670a51a9131bb9398a23940a4b3500b20939db1d08471ee2"` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling khronos_api v2.0.0 [INFO] [stderr] Compiling byteorder v0.4.2 [INFO] [stderr] Compiling serde v1.0.24 [INFO] [stderr] Compiling shader_version v0.3.0 [INFO] [stderr] Compiling linked-hash-map v0.5.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.8 [INFO] [stderr] Compiling read_color v1.0.0 [INFO] [stderr] Compiling interpolation v0.1.0 [INFO] [stderr] Compiling piston-texture v0.6.0 [INFO] [stderr] Compiling piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling xml-rs v0.6.1 [INFO] [stderr] Compiling x11-dl v2.17.2 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling vecmath v0.3.1 [INFO] [stderr] Compiling arrayvec v0.4.6 [INFO] [stderr] Compiling inflate v0.3.3 [INFO] [stderr] Compiling deflate v0.7.17 [INFO] [stderr] Compiling stb_truetype v0.2.1 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling shared_library v0.1.8 [INFO] [stderr] Compiling rand v0.4.1 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling gl_generator v0.6.1 [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] = note: for more information, try `rustc --explain E0729` [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] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling wayland-scanner v0.9.10 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling num-rational v0.1.40 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling piston2d-graphics v0.24.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling gl v0.7.0 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling glutin v0.10.1 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.13 [INFO] [stderr] Compiling pistoncore-input v0.20.0 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling pistoncore-window v0.30.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.35.0 [INFO] [stderr] Compiling piston v0.35.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.50.0 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.9.10 [INFO] [stderr] Compiling wayland-kbd v0.9.1 [INFO] [stderr] Compiling wayland-window v0.8.0 [INFO] [stderr] Compiling winit v0.8.3 [INFO] [stderr] Compiling pistoncore-glutin_window v0.43.0 [INFO] [stderr] Compiling minesweeper-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `piston::input::*` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use piston::input::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `gameboardcontroller::*` [INFO] [stderr] --> src/gameboardview.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use gameboardcontroller::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `graphics::*` [INFO] [stderr] --> src/gameboardcontroller.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use graphics::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::*` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::io::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `minesweeper-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4f813ca26e559614670a51a9131bb9398a23940a4b3500b20939db1d08471ee2"` [INFO] running `"docker" "rm" "-f" "4f813ca26e559614670a51a9131bb9398a23940a4b3500b20939db1d08471ee2"` [INFO] [stdout] 4f813ca26e559614670a51a9131bb9398a23940a4b3500b20939db1d08471ee2