Nov 17 17:19:32.744 INFO testing 02alexander/maze-solver against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 17:19:32.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 17:19:33.233 INFO [stdout] 9ad764aa09720a3855bfb4845cd6e5eeabce6c61349e913610a1e8643225aa4f
Nov 17 17:19:33.233 INFO running `"docker" "start" "-a" "9ad764aa09720a3855bfb4845cd6e5eeabce6c61349e913610a1e8643225aa4f"`
Nov 17 17:19:34.327 INFO [stderr] usermod: no changes
Nov 17 17:19:34.430 INFO [stderr]    Compiling flate2 v0.2.20
Nov 17 17:19:36.367 INFO [stderr]    Compiling imagefmt v4.0.0
Nov 17 17:19:38.519 INFO [stderr]    Compiling maze-solver v0.1.0 (/source)
Nov 17 17:19:38.887 INFO [stderr] warning: unused imports: `read`, `write`
Nov 17 17:19:38.887 INFO [stderr]  --> src/main.rs:3:16
Nov 17 17:19:38.887 INFO [stderr]   |
Nov 17 17:19:38.887 INFO [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType};
Nov 17 17:19:38.887 INFO [stderr]   |                ^^^^  ^^^^^
Nov 17 17:19:38.887 INFO [stderr]   |
Nov 17 17:19:38.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 17:19:38.888 INFO [stderr] 
Nov 17 17:19:38.888 INFO [stderr] warning: unused import: `std::mem::drop`
Nov 17 17:19:38.888 INFO [stderr]  --> src/tree.rs:2:5
Nov 17 17:19:38.888 INFO [stderr]   |
Nov 17 17:19:38.888 INFO [stderr] 2 | use std::mem::drop;
Nov 17 17:19:38.888 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 17 17:19:38.888 INFO [stderr] 
Nov 17 17:19:38.888 INFO [stderr] warning: unused import: `Node`
Nov 17 17:19:38.888 INFO [stderr]  --> src/path_to_end.rs:3:35
Nov 17 17:19:38.888 INFO [stderr]   |
Nov 17 17:19:38.888 INFO [stderr] 3 | use super::tree::{QuaternaryTree, Node, Link};
Nov 17 17:19:38.888 INFO [stderr]   |                                   ^^^^
Nov 17 17:19:38.888 INFO [stderr] 
Nov 17 17:19:39.099 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:19:39.099 INFO [stderr]   --> src/tree.rs:41:8
Nov 17 17:19:39.099 INFO [stderr]    |
Nov 17 17:19:39.099 INFO [stderr] 41 |             let mut cur = &mut *next.take().unwrap();
Nov 17 17:19:39.099 INFO [stderr]    |                 ----^^^
Nov 17 17:19:39.099 INFO [stderr]    |                 |
Nov 17 17:19:39.099 INFO [stderr]    |                 help: remove this `mut`
Nov 17 17:19:39.099 INFO [stderr]    |
Nov 17 17:19:39.099 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 17:19:39.099 INFO [stderr] 
Nov 17 17:19:39.139 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 17:19:39.139 INFO [stderr]   --> src/main.rs:20:2
Nov 17 17:19:39.139 INFO [stderr]    |
Nov 17 17:19:39.139 INFO [stderr] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Nov 17 17:19:39.139 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 17:19:39.139 INFO [stderr]    |
Nov 17 17:19:39.139 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 17:19:39.139 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 17:19:39.139 INFO [stderr] 
Nov 17 17:19:41.114 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
Nov 17 17:19:41.118 INFO [stderr] su: No module specific data is present
Nov 17 17:19:41.915 INFO running `"docker" "inspect" "9ad764aa09720a3855bfb4845cd6e5eeabce6c61349e913610a1e8643225aa4f"`
Nov 17 17:19:42.235 INFO running `"docker" "rm" "-f" "9ad764aa09720a3855bfb4845cd6e5eeabce6c61349e913610a1e8643225aa4f"`
Nov 17 17:19:42.557 INFO [stdout] 9ad764aa09720a3855bfb4845cd6e5eeabce6c61349e913610a1e8643225aa4f
Nov 17 17:19:42.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 17:19:43.160 INFO [stdout] edb974e877327d5fef9d9a8e84276a897ae96f35ffd5adb6a5b70c90a0b70c5a
Nov 17 17:19:43.161 INFO running `"docker" "start" "-a" "edb974e877327d5fef9d9a8e84276a897ae96f35ffd5adb6a5b70c90a0b70c5a"`
Nov 17 17:19:44.524 INFO [stderr] usermod: no changes
Nov 17 17:19:44.575 INFO [stderr]    Compiling maze-solver v0.1.0 (/source)
Nov 17 17:19:45.062 INFO [stderr] warning: unused imports: `read`, `write`
Nov 17 17:19:45.063 INFO [stderr]  --> src/main.rs:3:16
Nov 17 17:19:45.063 INFO [stderr]   |
Nov 17 17:19:45.064 INFO [stderr] 3 | use imagefmt::{read, write, ColFmt, ColType};
Nov 17 17:19:45.064 INFO [stderr]   |                ^^^^  ^^^^^
Nov 17 17:19:45.064 INFO [stderr]   |
Nov 17 17:19:45.065 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 17:19:45.065 INFO [stderr] 
Nov 17 17:19:45.066 INFO [stderr] warning: unused import: `std::mem::drop`
Nov 17 17:19:45.066 INFO [stderr]  --> src/tree.rs:2:5
Nov 17 17:19:45.067 INFO [stderr]   |
Nov 17 17:19:45.067 INFO [stderr] 2 | use std::mem::drop;
Nov 17 17:19:45.067 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 17 17:19:45.068 INFO [stderr] 
Nov 17 17:19:45.391 INFO [stderr] warning: variable does not need to be mutable
Nov 17 17:19:45.392 INFO [stderr]   --> src/tree.rs:41:8
Nov 17 17:19:45.392 INFO [stderr]    |
Nov 17 17:19:45.392 INFO [stderr] 41 |             let mut cur = &mut *next.take().unwrap();
Nov 17 17:19:45.392 INFO [stderr]    |                 ----^^^
Nov 17 17:19:45.392 INFO [stderr]    |                 |
Nov 17 17:19:45.392 INFO [stderr]    |                 help: remove this `mut`
Nov 17 17:19:45.392 INFO [stderr]    |
Nov 17 17:19:45.392 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 17:19:45.392 INFO [stderr] 
Nov 17 17:19:45.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 17:19:45.468 INFO [stderr]   --> src/main.rs:20:2
Nov 17 17:19:45.468 INFO [stderr]    |
Nov 17 17:19:45.468 INFO [stderr] 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Nov 17 17:19:45.468 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 17:19:45.468 INFO [stderr]    |
Nov 17 17:19:45.468 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 17:19:45.468 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 17:19:45.468 INFO [stderr] 
Nov 17 17:19:46.877 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Nov 17 17:19:46.881 INFO [stderr] su: No module specific data is present
Nov 17 17:19:48.229 INFO running `"docker" "inspect" "edb974e877327d5fef9d9a8e84276a897ae96f35ffd5adb6a5b70c90a0b70c5a"`
Nov 17 17:19:48.537 INFO running `"docker" "rm" "-f" "edb974e877327d5fef9d9a8e84276a897ae96f35ffd5adb6a5b70c90a0b70c5a"`
Nov 17 17:19:48.759 INFO [stdout] edb974e877327d5fef9d9a8e84276a897ae96f35ffd5adb6a5b70c90a0b70c5a
Nov 17 17:19:48.761 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 17:19:49.206 INFO [stdout] f6e5e73257d780ce1c3718856b78459113c1acd980fe1178bffaee552139df0a
Nov 17 17:19:49.213 INFO running `"docker" "start" "-a" "f6e5e73257d780ce1c3718856b78459113c1acd980fe1178bffaee552139df0a"`
Nov 17 17:19:50.163 INFO [stderr] usermod: no changes
Nov 17 17:19:50.250 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 17 17:19:50.255 INFO [stderr]      Running /target/debug/deps/maze_solver-756ecc77996dca6f
Nov 17 17:19:50.261 INFO [stdout] 
Nov 17 17:19:50.261 INFO [stdout] running 6 tests
Nov 17 17:19:50.261 INFO [stdout] test maze_to_tree::test::t_maze_to_tree ... ok
Nov 17 17:19:50.261 INFO [stdout] test maze_to_tree::test::t_get_tile ... ok
Nov 17 17:19:50.261 INFO [stdout] test maze::test::test_find_start ... ok
Nov 17 17:19:50.261 INFO [stdout] test path_to_end::test::t_path_to_end ... ok
Nov 17 17:19:50.261 INFO [stdout] test maze::test::from ... ok
Nov 17 17:19:50.261 INFO [stdout] test maze::test::test_find_end ... ok
Nov 17 17:19:50.261 INFO [stdout] 
Nov 17 17:19:50.261 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 17:19:50.261 INFO [stdout] 
Nov 17 17:19:50.268 INFO [stderr] su: No module specific data is present
Nov 17 17:19:50.961 INFO running `"docker" "inspect" "f6e5e73257d780ce1c3718856b78459113c1acd980fe1178bffaee552139df0a"`
Nov 17 17:19:51.196 INFO running `"docker" "rm" "-f" "f6e5e73257d780ce1c3718856b78459113c1acd980fe1178bffaee552139df0a"`
Nov 17 17:19:51.437 INFO [stdout] f6e5e73257d780ce1c3718856b78459113c1acd980fe1178bffaee552139df0a