Dec 11 15:42:05.594 INFO checking kbsymanz/maze-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 15:42:05.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 15:42:05.775 INFO [stdout] d4f741a7a6869a3a9a74af7e96fc8a705e783337d1aa9df976ad6be7ae4ab510
Dec 11 15:42:05.777 INFO running `"docker" "start" "-a" "d4f741a7a6869a3a9a74af7e96fc8a705e783337d1aa9df976ad6be7ae4ab510"`
Dec 11 15:42:06.215 INFO [stderr] usermod: no changes
Dec 11 15:42:06.528 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 11 15:42:06.528 INFO [stderr]    Compiling gio v0.1.2
Dec 11 15:42:06.528 INFO [stderr]    Compiling cairo-rs v0.1.2
Dec 11 15:42:06.528 INFO [stderr]     Checking bitflags v0.5.0
Dec 11 15:42:06.528 INFO [stderr]     Checking c_vec v1.2.0
Dec 11 15:42:06.528 INFO [stderr]    Compiling gdk v0.5.2
Dec 11 15:42:06.528 INFO [stderr]    Compiling gtk v0.1.2
Dec 11 15:42:06.528 INFO [stderr]     Checking serde v0.9.13
Dec 11 15:42:07.424 INFO [stderr]     Checking itertools v0.4.19
Dec 11 15:42:07.708 INFO [stderr]    Compiling glib-sys v0.3.3
Dec 11 15:42:07.732 INFO [stderr]    Compiling gobject-sys v0.3.3
Dec 11 15:42:08.416 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 11 15:42:09.131 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 11 15:42:09.668 INFO [stderr]    Compiling cairo-sys-rs v0.3.3
Dec 11 15:42:09.744 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 11 15:42:11.455 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 11 15:42:11.594 INFO [stderr]    Compiling atk-sys v0.3.3
Dec 11 15:42:11.640 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 11 15:42:11.893 INFO [stderr]     Checking memchr v0.1.11
Dec 11 15:42:12.108 INFO [stderr]     Checking term_size v0.3.0
Dec 11 15:42:12.608 INFO [stderr]     Checking deflate v0.7.6
Dec 11 15:42:12.984 INFO [stderr]     Checking tempdir v0.3.5
Dec 11 15:42:13.886 INFO [stderr]     Checking uuid v0.4.0
Dec 11 15:42:14.248 INFO [stderr]    Compiling syn v0.11.10
Dec 11 15:42:14.344 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 11 15:42:15.396 INFO [stderr]     Checking rayon-core v1.0.0
Dec 11 15:42:15.572 INFO [stderr]     Checking clap v2.23.2
Dec 11 15:42:18.732 INFO [stderr]     Checking thread-id v2.0.0
Dec 11 15:42:19.680 INFO [stderr]     Checking png v0.6.2
Dec 11 15:42:19.808 INFO [stderr]     Checking nalgebra v0.5.1
Dec 11 15:42:20.406 INFO [stderr]     Checking rayon v0.7.0
Dec 11 15:42:20.442 INFO [stderr]     Checking thread_local v0.2.7
Dec 11 15:42:22.504 INFO [stderr]     Checking regex v0.1.80
Dec 11 15:42:30.829 INFO [stderr]     Checking jpeg-decoder v0.1.12
Dec 11 15:42:36.062 INFO [stderr]     Checking glib v0.1.2
Dec 11 15:42:39.288 INFO [stderr]     Checking env_logger v0.3.5
Dec 11 15:42:40.144 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 11 15:42:40.948 INFO [stderr]     Checking image v0.12.3
Dec 11 15:42:42.973 INFO [stderr]     Checking quickcheck v0.2.27
Dec 11 15:42:44.549 INFO [stderr]     Checking serde_json v0.9.10
Dec 11 15:42:51.091 INFO [stderr]     Checking pango v0.1.2
Dec 11 15:42:53.646 INFO [stderr]    Compiling serde_derive v0.9.13
Dec 11 15:43:05.665 INFO [stderr]     Checking imageproc v0.7.0
Dec 11 15:43:30.402 INFO [stderr]     Checking maze-rust v0.2.0 (/source)
Dec 11 15:43:37.912 INFO [stderr] warning: unused import: `kbsymanz_maze::grid`
Dec 11 15:43:37.913 INFO [stderr]   --> src/main.rs:10:5
Dec 11 15:43:37.913 INFO [stderr]    |
Dec 11 15:43:37.913 INFO [stderr] 10 | use kbsymanz_maze::grid;
Dec 11 15:43:37.913 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 15:43:37.913 INFO [stderr]    |
Dec 11 15:43:37.913 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 15:43:37.913 INFO [stderr] 
Dec 11 15:43:37.913 INFO [stderr] warning: unused import: `main_gui`
Dec 11 15:43:37.913 INFO [stderr]   --> src/main.rs:11:36
Dec 11 15:43:37.913 INFO [stderr]    |
Dec 11 15:43:37.913 INFO [stderr] 11 | use kbsymanz_maze::gui::main_gui::{main_gui};
Dec 11 15:43:37.913 INFO [stderr]    |                                    ^^^^^^^^
Dec 11 15:43:37.913 INFO [stderr] 
Dec 11 15:43:37.913 INFO [stderr] warning: unused imports: `App`, `Arg`
Dec 11 15:43:37.913 INFO [stderr]   --> src/main.rs:14:12
Dec 11 15:43:37.913 INFO [stderr]    |
Dec 11 15:43:37.913 INFO [stderr] 14 | use clap::{App, Arg};
Dec 11 15:43:37.913 INFO [stderr]    |            ^^^  ^^^
Dec 11 15:43:37.913 INFO [stderr] 
Dec 11 15:43:37.913 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 11 15:43:37.913 INFO [stderr]   --> src/main.rs:15:5
Dec 11 15:43:37.913 INFO [stderr]    |
Dec 11 15:43:37.913 INFO [stderr] 15 | use std::collections::HashSet;
Dec 11 15:43:37.913 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:43:37.913 INFO [stderr] 
Dec 11 15:43:37.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
Dec 11 15:43:37.971 INFO [stderr] su: No module specific data is present
Dec 11 15:43:38.374 INFO running `"docker" "inspect" "d4f741a7a6869a3a9a74af7e96fc8a705e783337d1aa9df976ad6be7ae4ab510"`
Dec 11 15:43:38.461 INFO running `"docker" "rm" "-f" "d4f741a7a6869a3a9a74af7e96fc8a705e783337d1aa9df976ad6be7ae4ab510"`
Dec 11 15:43:38.573 INFO [stdout] d4f741a7a6869a3a9a74af7e96fc8a705e783337d1aa9df976ad6be7ae4ab510