Dec 04 08:27:20.544 INFO checking tlrobrn/one_d against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:27:20.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 08:27:21.071 INFO [stdout] beca141ddd9b39d7b3431216f5ab3dc000f20cda15769afd929b3d1759e3e67d
Dec 04 08:27:21.073 INFO running `"docker" "start" "-a" "beca141ddd9b39d7b3431216f5ab3dc000f20cda15769afd929b3d1759e3e67d"`
Dec 04 08:27:22.742 INFO [stderr] usermod: no changes
Dec 04 08:27:22.787 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 04 08:27:22.787 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 04 08:27:22.787 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 04 08:27:22.787 INFO [stderr] files will be included as a binary target:
Dec 04 08:27:22.787 INFO [stderr] 
Dec 04 08:27:22.787 INFO [stderr] * /source/src/main.rs
Dec 04 08:27:22.787 INFO [stderr] 
Dec 04 08:27:22.787 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 04 08:27:22.787 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 04 08:27:22.787 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 04 08:27:22.787 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 04 08:27:22.787 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 04 08:27:22.787 INFO [stderr] 
Dec 04 08:27:22.787 INFO [stderr] For more information on this warning you can consult
Dec 04 08:27:22.787 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 04 08:27:22.787 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `oned`,
Dec 04 08:27:22.787 INFO [stderr] please set bin.path in Cargo.toml
Dec 04 08:27:22.979 INFO [stderr]    Compiling siphasher v0.2.0
Dec 04 08:27:22.979 INFO [stderr]    Compiling libc v0.2.20
Dec 04 08:27:22.979 INFO [stderr]    Compiling dtoa v0.2.2
Dec 04 08:27:22.979 INFO [stderr]    Compiling itoa v0.1.1
Dec 04 08:27:22.989 INFO [stderr]    Compiling serde v0.8.22
Dec 04 08:27:22.999 INFO [stderr]    Compiling num-traits v0.1.36
Dec 04 08:27:22.999 INFO [stderr]    Compiling pkg-config v0.3.8
Dec 04 08:27:22.999 INFO [stderr]    Compiling log v0.3.6
Dec 04 08:27:24.511 INFO [stderr]     Checking piston-float v0.2.0
Dec 04 08:27:25.135 INFO [stderr]     Checking adler32 v0.3.0
Dec 04 08:27:25.483 INFO [stderr]     Checking shader_version v0.2.1
Dec 04 08:27:27.569 INFO [stderr]     Checking piston-shaders_graphics2d v0.1.0
Dec 04 08:27:27.600 INFO [stderr]    Compiling xml-rs v0.3.5
Dec 04 08:27:27.780 INFO [stderr]     Checking shared_library v0.1.5
Dec 04 08:27:27.780 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 04 08:27:27.789 INFO [stderr]     Checking nodrop v0.1.8
Dec 04 08:27:27.883 INFO [stderr]     Checking piston-viewport v0.2.0
Dec 04 08:27:28.711 INFO [stderr]     Checking vecmath v0.2.0
Dec 04 08:27:29.089 INFO [stderr]     Checking stb_truetype v0.2.0
Dec 04 08:27:29.275 INFO [stderr]     Checking gif v0.9.0
Dec 04 08:27:29.292 INFO [stderr]    Compiling phf_shared v0.7.21
Dec 04 08:27:29.327 INFO [stderr]     Checking deflate v0.7.2
Dec 04 08:27:29.376 INFO [stderr]     Checking deque v0.3.1
Dec 04 08:27:31.095 INFO [stderr]     Checking num-bigint v0.1.35
Dec 04 08:27:31.348 INFO [stderr]    Compiling rand v0.3.15
Dec 04 08:27:32.569 INFO [stderr]    Compiling x11-dl v2.12.0
Dec 04 08:27:33.132 INFO [stderr]     Checking arrayvec v0.3.20
Dec 04 08:27:33.892 INFO [stderr]     Checking pistoncore-input v0.15.0
Dec 04 08:27:35.640 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 04 08:27:36.847 INFO [stderr]     Checking rayon v0.6.0
Dec 04 08:27:37.331 INFO [stderr]    Compiling phf v0.7.21
Dec 04 08:27:37.813 INFO [stderr]     Checking piston2d-graphics v0.19.0
Dec 04 08:27:38.631 INFO [stderr]     Checking png v0.6.2
Dec 04 08:27:45.209 INFO [stderr]     Checking tempfile v2.1.5
Dec 04 08:27:45.487 INFO [stderr]     Checking num-rational v0.1.35
Dec 04 08:27:45.497 INFO [stderr]     Checking rusttype v0.2.1
Dec 04 08:27:46.079 INFO [stderr]     Checking docopt v0.7.0
Dec 04 08:27:46.411 INFO [stderr]     Checking pistoncore-window v0.24.0
Dec 04 08:27:46.411 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 04 08:27:46.739 INFO [stderr]     Checking memmap v0.4.0
Dec 04 08:27:47.880 INFO [stderr]     Checking jpeg-decoder v0.1.11
Dec 04 08:27:48.112 INFO [stderr]    Compiling wayland-scanner v0.7.6
Dec 04 08:27:48.773 INFO [stderr]    Compiling gl_generator v0.5.2
Dec 04 08:27:48.876 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 04 08:27:51.109 INFO [stderr]     Checking pistoncore-event_loop v0.27.0
Dec 04 08:27:53.245 INFO [stderr]    Compiling target_build_utils v0.1.2
Dec 04 08:27:55.028 INFO [stderr]     Checking piston v0.27.0
Dec 04 08:27:55.825 INFO [stderr]     Checking image v0.12.1
Dec 04 08:28:00.257 INFO [stderr]    Compiling wayland-client v0.7.6
Dec 04 08:28:02.855 INFO [stderr]    Compiling serde_json v0.8.6
Dec 04 08:28:03.661 INFO [stderr]    Compiling gl v0.6.1
Dec 04 08:28:03.663 INFO [stderr]    Compiling glutin v0.7.2
Dec 04 08:28:30.790 INFO [stderr]    Compiling libloading v0.3.1
Dec 04 08:28:33.303 INFO [stderr]     Checking dlib v0.3.1
Dec 04 08:28:33.534 INFO [stderr]     Checking wayland-sys v0.7.6
Dec 04 08:28:34.525 INFO [stderr]     Checking piston2d-opengl_graphics v0.37.0
Dec 04 08:28:36.059 INFO [stderr]     Checking wayland-window v0.4.3
Dec 04 08:28:36.059 INFO [stderr]     Checking wayland-kbd v0.6.2
Dec 04 08:28:37.279 INFO [stderr]     Checking winit v0.5.8
Dec 04 08:28:39.983 INFO [stderr]     Checking pistoncore-glutin_window v0.33.0
Dec 04 08:28:40.647 INFO [stderr]     Checking one_d v0.1.0 (/source)
Dec 04 08:28:41.051 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:28:41.051 INFO [stderr]    --> src/maze.rs:191:28
Dec 04 08:28:41.051 INFO [stderr]     |
Dec 04 08:28:41.051 INFO [stderr] 191 |     fn try_wall(&mut self, mut dsets: &mut DisjointSets, index: usize, is_east: bool) {
Dec 04 08:28:41.051 INFO [stderr]     |                            ----^^^^^
Dec 04 08:28:41.051 INFO [stderr]     |                            |
Dec 04 08:28:41.051 INFO [stderr]     |                            help: remove this `mut`
Dec 04 08:28:41.051 INFO [stderr]     |
Dec 04 08:28:41.051 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 08:28:41.051 INFO [stderr] 
Dec 04 08:28:41.119 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:28:41.119 INFO [stderr]    --> src/maze.rs:191:28
Dec 04 08:28:41.119 INFO [stderr]     |
Dec 04 08:28:41.119 INFO [stderr] 191 |     fn try_wall(&mut self, mut dsets: &mut DisjointSets, index: usize, is_east: bool) {
Dec 04 08:28:41.119 INFO [stderr]     |                            ----^^^^^
Dec 04 08:28:41.119 INFO [stderr]     |                            |
Dec 04 08:28:41.119 INFO [stderr]     |                            help: remove this `mut`
Dec 04 08:28:41.119 INFO [stderr]     |
Dec 04 08:28:41.119 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 08:28:41.119 INFO [stderr] 
Dec 04 08:28:43.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
Dec 04 08:28:43.139 INFO [stderr] su: No module specific data is present
Dec 04 08:28:44.259 INFO running `"docker" "inspect" "beca141ddd9b39d7b3431216f5ab3dc000f20cda15769afd929b3d1759e3e67d"`
Dec 04 08:28:44.570 INFO running `"docker" "rm" "-f" "beca141ddd9b39d7b3431216f5ab3dc000f20cda15769afd929b3d1759e3e67d"`
Dec 04 08:28:44.858 INFO [stdout] beca141ddd9b39d7b3431216f5ab3dc000f20cda15769afd929b3d1759e3e67d