[INFO] updating cached repository lreynolds18/maze-solver [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lreynolds18/maze-solver [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lreynolds18/maze-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/lreynolds18/maze-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lreynolds18/maze-solver'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lreynolds18/maze-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lreynolds18/maze-solver"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lreynolds18/maze-solver'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5f8025d73c2046ad6dabd37e51c1e8c2d8f72b73 [INFO] sha for GitHub repo lreynolds18/maze-solver: 5f8025d73c2046ad6dabd37e51c1e8c2d8f72b73 [INFO] validating manifest of lreynolds18/maze-solver 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 lreynolds18/maze-solver 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 lreynolds18/maze-solver [INFO] finished frobbing lreynolds18/maze-solver [INFO] frobbed toml for lreynolds18/maze-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/lreynolds18/maze-solver/Cargo.toml [INFO] started frobbing lreynolds18/maze-solver [INFO] finished frobbing lreynolds18/maze-solver [INFO] frobbed toml for lreynolds18/maze-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lreynolds18/maze-solver/Cargo.toml [INFO] crate lreynolds18/maze-solver 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing lreynolds18/maze-solver 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/lreynolds18/maze-solver:/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] 3352bb4f2aa5d397ef28b9cc7a6a3bb4a0cb9e8bbfb40d6bcba77221ebc333f1 [INFO] running `"docker" "start" "-a" "3352bb4f2aa5d397ef28b9cc7a6a3bb4a0cb9e8bbfb40d6bcba77221ebc333f1"` [INFO] [stderr] Compiling lazy_static v0.2.9 [INFO] [stderr] Compiling either v1.3.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling bitflags v1.0.0 [INFO] [stderr] Compiling piston-float v0.3.0 [INFO] [stderr] Compiling khronos_api v1.0.1 [INFO] [stderr] Compiling khronos_api v2.0.0 [INFO] [stderr] Compiling serde v1.0.19 [INFO] [stderr] Compiling byteorder v1.1.0 [INFO] [stderr] Compiling linked-hash-map v0.5.0 [INFO] [stderr] Compiling color_quant v1.0.0 [INFO] [stderr] Compiling shader_version v0.3.0 [INFO] [stderr] Compiling read_color v0.1.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.8 [INFO] [stderr] Compiling piston-texture v0.5.0 [INFO] [stderr] Compiling fnv v1.0.5 [INFO] [stderr] Compiling interpolation v0.1.0 [INFO] [stderr] Compiling piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling xml-rs v0.6.1 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling x11-dl v2.16.0 [INFO] [stderr] Compiling shared_library v0.1.7 [INFO] [stderr] Compiling inflate v0.3.3 [INFO] [stderr] Compiling stb_truetype v0.2.1 [INFO] [stderr] Compiling arrayvec v0.4.6 [INFO] [stderr] Compiling piston-viewport v0.3.0 [INFO] [stderr] Compiling vecmath v0.3.1 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling deflate v0.7.17 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling wayland-scanner v0.9.10 [INFO] [stderr] Compiling gl_generator v0.5.5 [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 phf_codegen v0.7.21 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling png v0.10.0 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.19 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling piston2d-graphics v0.22.0 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.13 [INFO] [stderr] Compiling glutin v0.9.2 [INFO] [stderr] Compiling gl v0.6.5 [INFO] [stderr] Compiling image v0.16.0 [INFO] [stderr] Compiling pistoncore-input v0.19.0 [INFO] [stderr] Compiling pistoncore-window v0.29.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.34.0 [INFO] [stderr] Compiling piston v0.34.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.9.10 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.47.0 [INFO] [stderr] Compiling wayland-kbd v0.9.1 [INFO] [stderr] Compiling wayland-window v0.7.0 [INFO] [stderr] Compiling winit v0.7.6 [INFO] [stderr] Compiling pistoncore-glutin_window v0.40.1 [INFO] [stderr] Compiling maze_solver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `MazeSolver` [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | struct MazeSolver { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `dfs` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | fn dfs() {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `bfs` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn bfs() {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `a_star` [INFO] [stderr] --> src/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | fn a_star() {} [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: missing documentation for crate [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / #![deny(missing_docs)] [INFO] [stderr] 2 | | [INFO] [stderr] 3 | | extern crate piston; [INFO] [stderr] 4 | | extern crate graphics; [INFO] [stderr] ... | [INFO] [stderr] 155 | | screen.run(); [INFO] [stderr] 156 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(missing_docs)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 49s [INFO] running `"docker" "inspect" "3352bb4f2aa5d397ef28b9cc7a6a3bb4a0cb9e8bbfb40d6bcba77221ebc333f1"` [INFO] running `"docker" "rm" "-f" "3352bb4f2aa5d397ef28b9cc7a6a3bb4a0cb9e8bbfb40d6bcba77221ebc333f1"` [INFO] [stdout] 3352bb4f2aa5d397ef28b9cc7a6a3bb4a0cb9e8bbfb40d6bcba77221ebc333f1 [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/lreynolds18/maze-solver:/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" "test" "--frozen" "--no-run"` [INFO] [stdout] 19dc6b479ebcadda669508b226ef5a3f610a51e36b1882d56fa88f9f2d72604c [INFO] running `"docker" "start" "-a" "19dc6b479ebcadda669508b226ef5a3f610a51e36b1882d56fa88f9f2d72604c"` [INFO] [stderr] Compiling maze_solver v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `MazeSolver` [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | struct MazeSolver { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `dfs` [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | fn dfs() {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `bfs` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn bfs() {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `a_star` [INFO] [stderr] --> src/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | fn a_star() {} [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "19dc6b479ebcadda669508b226ef5a3f610a51e36b1882d56fa88f9f2d72604c"` [INFO] running `"docker" "rm" "-f" "19dc6b479ebcadda669508b226ef5a3f610a51e36b1882d56fa88f9f2d72604c"` [INFO] [stdout] 19dc6b479ebcadda669508b226ef5a3f610a51e36b1882d56fa88f9f2d72604c [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/lreynolds18/maze-solver:/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" "test" "--frozen"` [INFO] [stdout] 981b30a73b1ddb3e56cd0f2bb7571ae22608e95ca71daecc70dc56df5cc6e665 [INFO] running `"docker" "start" "-a" "981b30a73b1ddb3e56cd0f2bb7571ae22608e95ca71daecc70dc56df5cc6e665"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/maze_solver-7a0275716b6dec0a [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" "981b30a73b1ddb3e56cd0f2bb7571ae22608e95ca71daecc70dc56df5cc6e665"` [INFO] running `"docker" "rm" "-f" "981b30a73b1ddb3e56cd0f2bb7571ae22608e95ca71daecc70dc56df5cc6e665"` [INFO] [stdout] 981b30a73b1ddb3e56cd0f2bb7571ae22608e95ca71daecc70dc56df5cc6e665