[INFO] updating cached repository jakobbeckmann/sudoku [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jakobbeckmann/sudoku [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jakobbeckmann/sudoku" "work/ex/beta-1.37-6/sources/1.36.0/gh/jakobbeckmann/sudoku"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jakobbeckmann/sudoku'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jakobbeckmann/sudoku" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakobbeckmann/sudoku"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakobbeckmann/sudoku'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c3b1208e5b1361da88105ab855c9c15e4b19ae2 [INFO] sha for GitHub repo jakobbeckmann/sudoku: 8c3b1208e5b1361da88105ab855c9c15e4b19ae2 [INFO] validating manifest of jakobbeckmann/sudoku 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 jakobbeckmann/sudoku 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 jakobbeckmann/sudoku [INFO] finished frobbing jakobbeckmann/sudoku [INFO] frobbed toml for jakobbeckmann/sudoku written to work/ex/beta-1.37-6/sources/1.36.0/gh/jakobbeckmann/sudoku/Cargo.toml [INFO] started frobbing jakobbeckmann/sudoku [INFO] finished frobbing jakobbeckmann/sudoku [INFO] frobbed toml for jakobbeckmann/sudoku written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jakobbeckmann/sudoku/Cargo.toml [INFO] crate jakobbeckmann/sudoku 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jakobbeckmann/sudoku 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jakobbeckmann/sudoku:/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] 22017f3078bc9680d720dae14bc4cfe635956af56140c5cd2cf8d6d5303e50de [INFO] running `"docker" "start" "-a" "22017f3078bc9680d720dae14bc4cfe635956af56140c5cd2cf8d6d5303e50de"` [INFO] [stderr] Compiling either v1.3.0 [INFO] [stderr] Compiling linked-hash-map v0.5.0 [INFO] [stderr] Compiling arrayvec v0.4.6 [INFO] [stderr] Compiling deflate v0.7.17 [INFO] [stderr] Compiling num-rational v0.1.40 [INFO] [stderr] Compiling pistoncore-input v0.20.0 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling wayland-kbd v0.9.1 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling wayland-window v0.8.0 [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] Compiling winit v0.8.3 [INFO] [stderr] Compiling piston2d-graphics v0.23.0 [INFO] [stderr] Compiling pistoncore-window v0.30.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.13 [INFO] [stderr] Compiling pistoncore-event_loop v0.35.0 [INFO] [stderr] Compiling glutin v0.10.1 [INFO] [stderr] Compiling piston v0.35.0 [INFO] [stderr] Compiling image v0.17.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.42.0 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.49.0 [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `rand` is imported redundantly [INFO] [stderr] --> src/gameboard.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | use rand; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/main.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/gameboard.rs:63:17 [INFO] [stderr] | [INFO] [stderr] 63 | for idx in 0..80 { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.36s [INFO] running `"docker" "inspect" "22017f3078bc9680d720dae14bc4cfe635956af56140c5cd2cf8d6d5303e50de"` [INFO] running `"docker" "rm" "-f" "22017f3078bc9680d720dae14bc4cfe635956af56140c5cd2cf8d6d5303e50de"` [INFO] [stdout] 22017f3078bc9680d720dae14bc4cfe635956af56140c5cd2cf8d6d5303e50de [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jakobbeckmann/sudoku:/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] 4f13fb860b6a9fd754fb512cd20c0e044d33c501a8d067272a0d06bc015934cc [INFO] running `"docker" "start" "-a" "4f13fb860b6a9fd754fb512cd20c0e044d33c501a8d067272a0d06bc015934cc"` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `rand` is imported redundantly [INFO] [stderr] --> src/gameboard.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | use rand; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/main.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/gameboard.rs:63:17 [INFO] [stderr] | [INFO] [stderr] 63 | for idx in 0..80 { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `"docker" "inspect" "4f13fb860b6a9fd754fb512cd20c0e044d33c501a8d067272a0d06bc015934cc"` [INFO] running `"docker" "rm" "-f" "4f13fb860b6a9fd754fb512cd20c0e044d33c501a8d067272a0d06bc015934cc"` [INFO] [stdout] 4f13fb860b6a9fd754fb512cd20c0e044d33c501a8d067272a0d06bc015934cc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jakobbeckmann/sudoku:/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] 3ee0dac2fd303b73a58a70cfcf7e1df3d0e4acf0236a1dad16da90746ea3276c [INFO] running `"docker" "start" "-a" "3ee0dac2fd303b73a58a70cfcf7e1df3d0e4acf0236a1dad16da90746ea3276c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/crater/target/debug/deps/sudoku-d8cb71560a385f34 [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" "3ee0dac2fd303b73a58a70cfcf7e1df3d0e4acf0236a1dad16da90746ea3276c"` [INFO] running `"docker" "rm" "-f" "3ee0dac2fd303b73a58a70cfcf7e1df3d0e4acf0236a1dad16da90746ea3276c"` [INFO] [stdout] 3ee0dac2fd303b73a58a70cfcf7e1df3d0e4acf0236a1dad16da90746ea3276c