Dec 02 10:02:07.405 INFO testing 02alexander/maze-solver against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 10:02:07.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 10:02:08.154 INFO [stdout] e09dba02826b2eca9a878bbe695e0c2009ecf85b627ea6c57f976c94a3ee0965
Dec 02 10:02:08.156 INFO running `"docker" "start" "-a" "e09dba02826b2eca9a878bbe695e0c2009ecf85b627ea6c57f976c94a3ee0965"`
Dec 02 10:02:08.830 INFO [stderr] usermod: no changes
Dec 02 10:02:08.868 INFO [stderr]    Compiling flate2 v0.2.20
Dec 02 10:02:10.282 INFO [stderr]    Compiling imagefmt v4.0.0
Dec 02 10:02:12.361 INFO [stderr]    Compiling maze-solver v0.1.0 (/source)
Dec 02 10:02:12.991 INFO [stderr] warning: unused imports: `read`, `write`
Dec 02 10:02:12.991 INFO [stderr]  --> src/main.rs:3:16
Dec 02 10:02:12.991 INFO [stderr]   |
Dec 02 10:02:12.991 INFO [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType};
Dec 02 10:02:12.991 INFO [stderr]   |                ^^^^  ^^^^^
Dec 02 10:02:12.991 INFO [stderr]   |
Dec 02 10:02:12.991 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 10:02:12.991 INFO [stderr] 
Dec 02 10:02:12.991 INFO [stderr] warning: unused import: `std::mem::drop`
Dec 02 10:02:12.991 INFO [stderr]  --> src/tree.rs:2:5
Dec 02 10:02:12.991 INFO [stderr]   |
Dec 02 10:02:12.991 INFO [stderr] 2 | use std::mem::drop;
Dec 02 10:02:12.991 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 02 10:02:12.991 INFO [stderr] 
Dec 02 10:02:12.995 INFO [stderr] warning: unused import: `Node`
Dec 02 10:02:12.995 INFO [stderr]  --> src/path_to_end.rs:3:35
Dec 02 10:02:12.995 INFO [stderr]   |
Dec 02 10:02:12.995 INFO [stderr] 3 | use super::tree::{QuaternaryTree, Node, Link};
Dec 02 10:02:12.995 INFO [stderr]   |                                   ^^^^
Dec 02 10:02:12.995 INFO [stderr] 
Dec 02 10:02:13.127 INFO [stderr] warning: variable does not need to be mutable
Dec 02 10:02:13.127 INFO [stderr]   --> src/tree.rs:41:8
Dec 02 10:02:13.127 INFO [stderr]    |
Dec 02 10:02:13.127 INFO [stderr] 41 |             let mut cur = &mut *next.take().unwrap();
Dec 02 10:02:13.127 INFO [stderr]    |                 ----^^^
Dec 02 10:02:13.127 INFO [stderr]    |                 |
Dec 02 10:02:13.127 INFO [stderr]    |                 help: remove this `mut`
Dec 02 10:02:13.127 INFO [stderr]    |
Dec 02 10:02:13.127 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 10:02:13.127 INFO [stderr] 
Dec 02 10:02:13.160 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 10:02:13.160 INFO [stderr]   --> src/main.rs:20:2
Dec 02 10:02:13.160 INFO [stderr]    |
Dec 02 10:02:13.160 INFO [stderr] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Dec 02 10:02:13.160 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:02:13.160 INFO [stderr]    |
Dec 02 10:02:13.160 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 10:02:13.160 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 10:02:13.160 INFO [stderr] 
Dec 02 10:02:14.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
Dec 02 10:02:14.527 INFO [stderr] su: No module specific data is present
Dec 02 10:02:15.031 INFO running `"docker" "inspect" "e09dba02826b2eca9a878bbe695e0c2009ecf85b627ea6c57f976c94a3ee0965"`
Dec 02 10:02:15.300 INFO running `"docker" "rm" "-f" "e09dba02826b2eca9a878bbe695e0c2009ecf85b627ea6c57f976c94a3ee0965"`
Dec 02 10:02:15.551 INFO [stdout] e09dba02826b2eca9a878bbe695e0c2009ecf85b627ea6c57f976c94a3ee0965
Dec 02 10:02:15.564 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 10:02:16.075 INFO [stdout] a87cd73bde89906ad95b3426b90c5715104d4c8b6acc9d7138514774bf1a1585
Dec 02 10:02:16.088 INFO running `"docker" "start" "-a" "a87cd73bde89906ad95b3426b90c5715104d4c8b6acc9d7138514774bf1a1585"`
Dec 02 10:02:16.967 INFO [stderr] usermod: no changes
Dec 02 10:02:17.019 INFO [stderr]    Compiling maze-solver v0.1.0 (/source)
Dec 02 10:02:17.661 INFO [stderr] warning: unused imports: `read`, `write`
Dec 02 10:02:17.661 INFO [stderr]  --> src/main.rs:3:16
Dec 02 10:02:17.661 INFO [stderr]   |
Dec 02 10:02:17.661 INFO [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType};
Dec 02 10:02:17.661 INFO [stderr]   |                ^^^^  ^^^^^
Dec 02 10:02:17.661 INFO [stderr]   |
Dec 02 10:02:17.661 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 10:02:17.661 INFO [stderr] 
Dec 02 10:02:17.661 INFO [stderr] warning: unused import: `std::mem::drop`
Dec 02 10:02:17.661 INFO [stderr]  --> src/tree.rs:2:5
Dec 02 10:02:17.661 INFO [stderr]   |
Dec 02 10:02:17.661 INFO [stderr] 2 | use std::mem::drop;
Dec 02 10:02:17.661 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 02 10:02:17.661 INFO [stderr] 
Dec 02 10:02:17.873 INFO [stderr] warning: variable does not need to be mutable
Dec 02 10:02:17.873 INFO [stderr]   --> src/tree.rs:41:8
Dec 02 10:02:17.873 INFO [stderr]    |
Dec 02 10:02:17.873 INFO [stderr] 41 |             let mut cur = &mut *next.take().unwrap();
Dec 02 10:02:17.873 INFO [stderr]    |                 ----^^^
Dec 02 10:02:17.873 INFO [stderr]    |                 |
Dec 02 10:02:17.873 INFO [stderr]    |                 help: remove this `mut`
Dec 02 10:02:17.873 INFO [stderr]    |
Dec 02 10:02:17.873 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 02 10:02:17.873 INFO [stderr] 
Dec 02 10:02:17.939 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 10:02:17.939 INFO [stderr]   --> src/main.rs:20:2
Dec 02 10:02:17.940 INFO [stderr]    |
Dec 02 10:02:17.940 INFO [stderr] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Dec 02 10:02:17.940 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:02:17.940 INFO [stderr]    |
Dec 02 10:02:17.947 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 10:02:17.947 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 10:02:17.947 INFO [stderr] 
Dec 02 10:02:18.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
Dec 02 10:02:18.891 INFO [stderr] su: No module specific data is present
Dec 02 10:02:19.275 INFO running `"docker" "inspect" "a87cd73bde89906ad95b3426b90c5715104d4c8b6acc9d7138514774bf1a1585"`
Dec 02 10:02:19.351 INFO running `"docker" "rm" "-f" "a87cd73bde89906ad95b3426b90c5715104d4c8b6acc9d7138514774bf1a1585"`
Dec 02 10:02:19.441 INFO [stdout] a87cd73bde89906ad95b3426b90c5715104d4c8b6acc9d7138514774bf1a1585
Dec 02 10:02:19.442 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 10:02:19.613 INFO [stdout] 9ba99f49f3d5a1e6584b51952339a371e2fb7dc116ba47f7c3c22f5154af3e63
Dec 02 10:02:19.615 INFO running `"docker" "start" "-a" "9ba99f49f3d5a1e6584b51952339a371e2fb7dc116ba47f7c3c22f5154af3e63"`
Dec 02 10:02:19.946 INFO [stderr] usermod: no changes
Dec 02 10:02:19.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 02 10:02:19.986 INFO [stderr]      Running /target/debug/deps/maze_solver-0a56f9171275e820
Dec 02 10:02:19.987 INFO [stdout] 
Dec 02 10:02:19.987 INFO [stdout] running 6 tests
Dec 02 10:02:19.988 INFO [stdout] test path_to_end::test::t_path_to_end ... ok
Dec 02 10:02:19.988 INFO [stdout] test maze::test::test_find_start ... ok
Dec 02 10:02:19.988 INFO [stdout] test maze_to_tree::test::t_maze_to_tree ... ok
Dec 02 10:02:19.988 INFO [stdout] test maze_to_tree::test::t_get_tile ... ok
Dec 02 10:02:19.988 INFO [stdout] test maze::test::from ... ok
Dec 02 10:02:19.998 INFO [stdout] test maze::test::test_find_end ... ok
Dec 02 10:02:19.999 INFO [stdout] 
Dec 02 10:02:19.999 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 10:02:19.999 INFO [stdout] 
Dec 02 10:02:19.999 INFO [stderr] su: No module specific data is present
Dec 02 10:02:20.339 INFO running `"docker" "inspect" "9ba99f49f3d5a1e6584b51952339a371e2fb7dc116ba47f7c3c22f5154af3e63"`
Dec 02 10:02:20.412 INFO running `"docker" "rm" "-f" "9ba99f49f3d5a1e6584b51952339a371e2fb7dc116ba47f7c3c22f5154af3e63"`
Dec 02 10:02:20.504 INFO [stdout] 9ba99f49f3d5a1e6584b51952339a371e2fb7dc116ba47f7c3c22f5154af3e63
