Dec 17 13:28:17.199 INFO checking tlrobrn/one_d against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:28:17.199 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tlrobrn/one_d:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:28:17.592 INFO [stdout] 68ccac5455ffe27860a64611889568a6ad9f65b584cdad395e86aaab3f7f7a41
Dec 17 13:28:17.596 INFO running `"docker" "start" "-a" "68ccac5455ffe27860a64611889568a6ad9f65b584cdad395e86aaab3f7f7a41"`
Dec 17 13:28:18.989 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 17 13:28:18.989 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 17 13:28:18.989 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 17 13:28:18.989 INFO [stderr] files will be included as a binary target:
Dec 17 13:28:18.989 INFO [stderr] 
Dec 17 13:28:18.989 INFO [stderr] * /opt/crater/workdir/src/main.rs
Dec 17 13:28:18.989 INFO [stderr] 
Dec 17 13:28:18.989 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 17 13:28:18.989 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 17 13:28:18.989 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 17 13:28:18.989 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 17 13:28:18.989 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 17 13:28:18.989 INFO [stderr] 
Dec 17 13:28:18.989 INFO [stderr] For more information on this warning you can consult
Dec 17 13:28:18.989 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 17 13:28:18.989 INFO [stderr] warning: path `/opt/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `oned`,
Dec 17 13:28:18.989 INFO [stderr] please set bin.path in Cargo.toml
Dec 17 13:28:19.284 INFO [stderr]    Compiling siphasher v0.2.0
Dec 17 13:28:19.284 INFO [stderr]    Compiling libc v0.2.20
Dec 17 13:28:19.288 INFO [stderr]    Compiling serde v0.8.22
Dec 17 13:28:19.288 INFO [stderr]    Compiling dtoa v0.2.2
Dec 17 13:28:19.288 INFO [stderr]    Compiling num-traits v0.1.36
Dec 17 13:28:19.288 INFO [stderr]    Compiling itoa v0.1.1
Dec 17 13:28:19.288 INFO [stderr]    Compiling bitflags v0.7.0
Dec 17 13:28:19.372 INFO [stderr]     Checking piston-float v0.2.0
Dec 17 13:28:19.732 INFO [stderr]    Compiling khronos_api v1.0.0
Dec 17 13:28:20.160 INFO [stderr]    Compiling log v0.3.6
Dec 17 13:28:20.345 INFO [stderr]     Checking adler32 v0.3.0
Dec 17 13:28:20.880 INFO [stderr]     Checking odds v0.2.25
Dec 17 13:28:21.724 INFO [stderr]     Checking byteorder v0.4.2
Dec 17 13:28:21.824 INFO [stderr]     Checking shader_version v0.2.1
Dec 17 13:28:22.736 INFO [stderr]     Checking read_color v0.1.0
Dec 17 13:28:22.744 INFO [stderr]     Checking piston-texture v0.5.0
Dec 17 13:28:22.860 INFO [stderr]     Checking linked-hash-map v0.0.10
Dec 17 13:28:22.860 INFO [stderr]     Checking piston-shaders_graphics2d v0.1.0
Dec 17 13:28:23.452 INFO [stderr]     Checking num_cpus v1.2.1
Dec 17 13:28:23.732 INFO [stderr]     Checking memchr v1.0.1
Dec 17 13:28:23.856 INFO [stderr]     Checking thread-id v3.0.0
Dec 17 13:28:23.980 INFO [stderr]     Checking shared_library v0.1.5
Dec 17 13:28:24.038 INFO [stderr]    Compiling x11-dl v2.12.0
Dec 17 13:28:24.624 INFO [stderr]    Compiling xml-rs v0.3.5
Dec 17 13:28:24.872 INFO [stderr]     Checking piston-viewport v0.2.0
Dec 17 13:28:24.880 INFO [stderr]     Checking vecmath v0.2.0
Dec 17 13:28:25.352 INFO [stderr]    Compiling rand v0.3.15
Dec 17 13:28:25.492 INFO [stderr]     Checking deflate v0.7.2
Dec 17 13:28:26.040 INFO [stderr]     Checking gif v0.9.0
Dec 17 13:28:27.999 INFO [stderr]    Compiling phf_shared v0.7.21
Dec 17 13:28:28.130 INFO [stderr]     Checking stb_truetype v0.2.0
Dec 17 13:28:29.585 INFO [stderr]    Compiling tempfile v2.1.5
Dec 17 13:28:29.861 INFO [stderr]     Checking nodrop v0.1.8
Dec 17 13:28:30.513 INFO [stderr]     Checking aho-corasick v0.6.1
Dec 17 13:28:30.918 INFO [stderr]     Checking pistoncore-input v0.15.0
Dec 17 13:28:31.622 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 17 13:28:31.850 INFO [stderr]     Checking thread_local v0.3.2
Dec 17 13:28:32.870 INFO [stderr]     Checking piston2d-graphics v0.19.0
Dec 17 13:28:33.158 INFO [stderr]    Compiling phf v0.7.21
Dec 17 13:28:33.913 INFO [stderr]     Checking rayon v0.6.0
Dec 17 13:28:34.489 INFO [stderr]     Checking arrayvec v0.3.20
Dec 17 13:28:42.031 INFO [stderr]     Checking png v0.6.2
Dec 17 13:28:42.291 INFO [stderr]     Checking regex v0.2.1
Dec 17 13:28:42.642 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 17 13:28:42.777 INFO [stderr]     Checking rusttype v0.2.1
Dec 17 13:28:44.113 INFO [stderr]     Checking memmap v0.4.0
Dec 17 13:28:45.602 INFO [stderr]    Compiling wayland-scanner v0.7.6
Dec 17 13:28:46.230 INFO [stderr]    Compiling gl_generator v0.5.2
Dec 17 13:28:46.394 INFO [stderr]     Checking pistoncore-window v0.24.0
Dec 17 13:28:48.125 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 17 13:28:48.750 INFO [stderr]     Checking jpeg-decoder v0.1.11
Dec 17 13:28:50.345 INFO [stderr]     Checking pistoncore-event_loop v0.27.0
Dec 17 13:28:51.985 INFO [stderr]    Compiling target_build_utils v0.1.2
Dec 17 13:29:00.322 INFO [stderr]     Checking piston v0.27.0
Dec 17 13:29:00.326 INFO [stderr]     Checking image v0.12.1
Dec 17 13:29:00.340 INFO [stderr]     Checking docopt v0.7.0
Dec 17 13:29:00.340 INFO [stderr]    Compiling wayland-client v0.7.6
Dec 17 13:29:00.342 INFO [stderr]    Compiling glutin v0.7.2
Dec 17 13:29:00.617 INFO [stderr]    Compiling gl v0.6.1
Dec 17 13:29:00.974 INFO [stderr]    Compiling serde_json v0.8.6
Dec 17 13:29:28.542 INFO [stderr]    Compiling libloading v0.3.1
Dec 17 13:29:31.112 INFO [stderr]     Checking dlib v0.3.1
Dec 17 13:29:31.508 INFO [stderr]     Checking wayland-sys v0.7.6
Dec 17 13:29:33.721 INFO [stderr]     Checking wayland-window v0.4.3
Dec 17 13:29:33.721 INFO [stderr]     Checking wayland-kbd v0.6.2
Dec 17 13:29:33.840 INFO [stderr]     Checking piston2d-opengl_graphics v0.37.0
Dec 17 13:29:35.071 INFO [stderr]     Checking winit v0.5.8
Dec 17 13:29:37.587 INFO [stderr]     Checking pistoncore-glutin_window v0.33.0
Dec 17 13:29:38.013 INFO [stderr]     Checking one_d v0.1.0 (/opt/crater/workdir)
Dec 17 13:29:38.488 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:29:38.488 INFO [stderr]    --> src/maze.rs:191:28
Dec 17 13:29:38.488 INFO [stderr]     |
Dec 17 13:29:38.488 INFO [stderr] 191 |     fn try_wall(&mut self, mut dsets: &mut DisjointSets, index: usize, is_east: bool) {
Dec 17 13:29:38.488 INFO [stderr]     |                            ----^^^^^
Dec 17 13:29:38.488 INFO [stderr]     |                            |
Dec 17 13:29:38.488 INFO [stderr]     |                            help: remove this `mut`
Dec 17 13:29:38.488 INFO [stderr]     |
Dec 17 13:29:38.488 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 13:29:38.488 INFO [stderr] 
Dec 17 13:29:38.700 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:29:38.700 INFO [stderr]    --> src/maze.rs:191:28
Dec 17 13:29:38.700 INFO [stderr]     |
Dec 17 13:29:38.700 INFO [stderr] 191 |     fn try_wall(&mut self, mut dsets: &mut DisjointSets, index: usize, is_east: bool) {
Dec 17 13:29:38.700 INFO [stderr]     |                            ----^^^^^
Dec 17 13:29:38.700 INFO [stderr]     |                            |
Dec 17 13:29:38.700 INFO [stderr]     |                            help: remove this `mut`
Dec 17 13:29:38.700 INFO [stderr]     |
Dec 17 13:29:38.700 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 13:29:38.700 INFO [stderr] 
Dec 17 13:29:39.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
Dec 17 13:29:40.394 INFO running `"docker" "inspect" "68ccac5455ffe27860a64611889568a6ad9f65b584cdad395e86aaab3f7f7a41"`
Dec 17 13:29:40.664 INFO running `"docker" "rm" "-f" "68ccac5455ffe27860a64611889568a6ad9f65b584cdad395e86aaab3f7f7a41"`
Dec 17 13:29:41.124 INFO [stdout] 68ccac5455ffe27860a64611889568a6ad9f65b584cdad395e86aaab3f7f7a41