Dec 14 12:49:13.840 INFO testing 02alexander/maze-solver against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:49:13.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 12:49:14.252 INFO [stdout] 0ad2bf292b2d7889976f5e87928b1de442414eb2592ea1f157a237eba5a8589d
Dec 14 12:49:14.259 INFO running `"docker" "start" "-a" "0ad2bf292b2d7889976f5e87928b1de442414eb2592ea1f157a237eba5a8589d"`
Dec 14 12:49:15.359 INFO [stderr] usermod: no changes
Dec 14 12:49:15.471 INFO [stderr]    Compiling flate2 v0.2.20
Dec 14 12:49:17.230 INFO [stderr]    Compiling imagefmt v4.0.0
Dec 14 12:49:19.479 INFO [stderr]    Compiling maze-solver v0.1.0 (/source)
Dec 14 12:49:20.219 INFO [stderr] warning: unused imports: `read`, `write`
Dec 14 12:49:20.219 INFO [stderr]  --> src/main.rs:3:16
Dec 14 12:49:20.219 INFO [stderr]   |
Dec 14 12:49:20.219 INFO [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType};
Dec 14 12:49:20.219 INFO [stderr]   |                ^^^^  ^^^^^
Dec 14 12:49:20.219 INFO [stderr]   |
Dec 14 12:49:20.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:49:20.219 INFO [stderr] 
Dec 14 12:49:20.219 INFO [stderr] warning: unused import: `std::mem::drop`
Dec 14 12:49:20.219 INFO [stderr]  --> src/tree.rs:2:5
Dec 14 12:49:20.219 INFO [stderr]   |
Dec 14 12:49:20.219 INFO [stderr] 2 | use std::mem::drop;
Dec 14 12:49:20.219 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 14 12:49:20.219 INFO [stderr] 
Dec 14 12:49:20.219 INFO [stderr] warning: unused import: `Node`
Dec 14 12:49:20.219 INFO [stderr]  --> src/path_to_end.rs:3:35
Dec 14 12:49:20.219 INFO [stderr]   |
Dec 14 12:49:20.219 INFO [stderr] 3 | use super::tree::{QuaternaryTree, Node, Link};
Dec 14 12:49:20.219 INFO [stderr]   |                                   ^^^^
Dec 14 12:49:20.219 INFO [stderr] 
Dec 14 12:49:20.335 INFO [stderr] warning: variable does not need to be mutable
Dec 14 12:49:20.335 INFO [stderr]   --> src/tree.rs:41:8
Dec 14 12:49:20.335 INFO [stderr]    |
Dec 14 12:49:20.335 INFO [stderr] 41 |             let mut cur = &mut *next.take().unwrap();
Dec 14 12:49:20.335 INFO [stderr]    |                 ----^^^
Dec 14 12:49:20.335 INFO [stderr]    |                 |
Dec 14 12:49:20.335 INFO [stderr]    |                 help: remove this `mut`
Dec 14 12:49:20.335 INFO [stderr]    |
Dec 14 12:49:20.339 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 12:49:20.339 INFO [stderr] 
Dec 14 12:49:20.372 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:49:20.372 INFO [stderr]   --> src/main.rs:20:2
Dec 14 12:49:20.372 INFO [stderr]    |
Dec 14 12:49:20.372 INFO [stderr] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Dec 14 12:49:20.372 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:49:20.372 INFO [stderr]    |
Dec 14 12:49:20.372 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:49:20.372 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:49:20.372 INFO [stderr] 
Dec 14 12:49:21.898 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
Dec 14 12:49:21.902 INFO [stderr] su: No module specific data is present
Dec 14 12:49:22.725 INFO running `"docker" "inspect" "0ad2bf292b2d7889976f5e87928b1de442414eb2592ea1f157a237eba5a8589d"`
Dec 14 12:49:22.983 INFO running `"docker" "rm" "-f" "0ad2bf292b2d7889976f5e87928b1de442414eb2592ea1f157a237eba5a8589d"`
Dec 14 12:49:23.287 INFO [stdout] 0ad2bf292b2d7889976f5e87928b1de442414eb2592ea1f157a237eba5a8589d
Dec 14 12:49:23.295 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 12:49:23.727 INFO [stdout] e3cbbf593ae9c36e39cb3209962ea11acee5c68d30bd54af35999daeb6bf3c52
Dec 14 12:49:23.729 INFO running `"docker" "start" "-a" "e3cbbf593ae9c36e39cb3209962ea11acee5c68d30bd54af35999daeb6bf3c52"`
Dec 14 12:49:24.975 INFO [stderr] usermod: no changes
Dec 14 12:49:25.071 INFO [stderr]    Compiling maze-solver v0.1.0 (/source)
Dec 14 12:49:25.795 INFO [stderr] warning: unused imports: `read`, `write`
Dec 14 12:49:25.795 INFO [stderr]  --> src/main.rs:3:16
Dec 14 12:49:25.795 INFO [stderr]   |
Dec 14 12:49:25.796 INFO [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType};
Dec 14 12:49:25.796 INFO [stderr]   |                ^^^^  ^^^^^
Dec 14 12:49:25.796 INFO [stderr]   |
Dec 14 12:49:25.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 12:49:25.796 INFO [stderr] 
Dec 14 12:49:25.796 INFO [stderr] warning: unused import: `std::mem::drop`
Dec 14 12:49:25.797 INFO [stderr]  --> src/tree.rs:2:5
Dec 14 12:49:25.797 INFO [stderr]   |
Dec 14 12:49:25.797 INFO [stderr] 2 | use std::mem::drop;
Dec 14 12:49:25.797 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 14 12:49:25.797 INFO [stderr] 
Dec 14 12:49:26.015 INFO [stderr] warning: variable does not need to be mutable
Dec 14 12:49:26.015 INFO [stderr]   --> src/tree.rs:41:8
Dec 14 12:49:26.015 INFO [stderr]    |
Dec 14 12:49:26.016 INFO [stderr] 41 |             let mut cur = &mut *next.take().unwrap();
Dec 14 12:49:26.016 INFO [stderr]    |                 ----^^^
Dec 14 12:49:26.016 INFO [stderr]    |                 |
Dec 14 12:49:26.016 INFO [stderr]    |                 help: remove this `mut`
Dec 14 12:49:26.016 INFO [stderr]    |
Dec 14 12:49:26.016 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 12:49:26.016 INFO [stderr] 
Dec 14 12:49:26.084 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:49:26.084 INFO [stderr]   --> src/main.rs:20:2
Dec 14 12:49:26.084 INFO [stderr]    |
Dec 14 12:49:26.084 INFO [stderr] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Dec 14 12:49:26.084 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:49:26.084 INFO [stderr]    |
Dec 14 12:49:26.101 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 12:49:26.101 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:49:26.101 INFO [stderr] 
Dec 14 12:49:27.387 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
Dec 14 12:49:27.395 INFO [stderr] su: No module specific data is present
Dec 14 12:49:28.400 INFO running `"docker" "inspect" "e3cbbf593ae9c36e39cb3209962ea11acee5c68d30bd54af35999daeb6bf3c52"`
Dec 14 12:49:28.673 INFO running `"docker" "rm" "-f" "e3cbbf593ae9c36e39cb3209962ea11acee5c68d30bd54af35999daeb6bf3c52"`
Dec 14 12:49:28.983 INFO [stdout] e3cbbf593ae9c36e39cb3209962ea11acee5c68d30bd54af35999daeb6bf3c52
Dec 14 12:49:28.989 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 12:49:29.436 INFO [stdout] 2bbded3b8005c0695159d3a149e019869e5ba9f48c402dc8d571d38adfa1df19
Dec 14 12:49:29.443 INFO running `"docker" "start" "-a" "2bbded3b8005c0695159d3a149e019869e5ba9f48c402dc8d571d38adfa1df19"`
Dec 14 12:49:30.478 INFO [stderr] usermod: no changes
Dec 14 12:49:30.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 12:49:30.555 INFO [stderr]      Running /target/debug/deps/maze_solver-5a18dd2e5694470f
Dec 14 12:49:30.559 INFO [stdout] 
Dec 14 12:49:30.559 INFO [stdout] running 6 tests
Dec 14 12:49:30.562 INFO [stdout] test maze::test::from ... ok
Dec 14 12:49:30.563 INFO [stderr] su: No module specific data is present
Dec 14 12:49:30.563 INFO [stdout] test maze_to_tree::test::t_maze_to_tree ... ok
Dec 14 12:49:30.563 INFO [stdout] test maze_to_tree::test::t_get_tile ... ok
Dec 14 12:49:30.563 INFO [stdout] test path_to_end::test::t_path_to_end ... ok
Dec 14 12:49:30.563 INFO [stdout] test maze::test::test_find_end ... ok
Dec 14 12:49:30.563 INFO [stdout] test maze::test::test_find_start ... ok
Dec 14 12:49:30.563 INFO [stdout] 
Dec 14 12:49:30.563 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:49:30.563 INFO [stdout] 
Dec 14 12:49:31.200 INFO running `"docker" "inspect" "2bbded3b8005c0695159d3a149e019869e5ba9f48c402dc8d571d38adfa1df19"`
Dec 14 12:49:31.491 INFO running `"docker" "rm" "-f" "2bbded3b8005c0695159d3a149e019869e5ba9f48c402dc8d571d38adfa1df19"`
Dec 14 12:49:31.855 INFO [stdout] 2bbded3b8005c0695159d3a149e019869e5ba9f48c402dc8d571d38adfa1df19