Nov 04 14:56:39.884 INFO checking 02alexander/maze-solver against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 14:56:39.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 14:56:40.289 INFO blam! d5af119c9f82342fda4bfcc18e205db3c434c122df1ae00b7268761f360c3994
Nov 04 14:56:40.290 INFO running `"docker" "start" "-a" "d5af119c9f82342fda4bfcc18e205db3c434c122df1ae00b7268761f360c3994"`
Nov 04 14:56:40.683 INFO kablam! usermod: no changes
Nov 04 14:56:40.717 INFO kablam!     Checking flate2 v0.2.20
Nov 04 14:56:41.751 INFO kablam!     Checking imagefmt v4.0.0
Nov 04 14:56:43.317 INFO kablam!     Checking maze-solver v0.1.0 (/source)
Nov 04 14:56:43.871 INFO kablam! warning: unused imports: `read`, `write`
Nov 04 14:56:43.871 INFO kablam!  --> src/main.rs:3:16
Nov 04 14:56:43.871 INFO kablam!   |
Nov 04 14:56:43.872 INFO kablam! 3 | use imagefmt::{read, write, ColFmt, ColType};
Nov 04 14:56:43.872 INFO kablam!   |                ^^^^  ^^^^^
Nov 04 14:56:43.872 INFO kablam!   |
Nov 04 14:56:43.872 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 14:56:43.872 INFO kablam! 
Nov 04 14:56:43.872 INFO kablam! warning: unused import: `std::mem::drop`
Nov 04 14:56:43.872 INFO kablam!  --> src/tree.rs:2:5
Nov 04 14:56:43.872 INFO kablam!   |
Nov 04 14:56:43.872 INFO kablam! 2 | use std::mem::drop;
Nov 04 14:56:43.872 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 04 14:56:43.872 INFO kablam! 
Nov 04 14:56:43.872 INFO kablam! warning: unused import: `Node`
Nov 04 14:56:43.872 INFO kablam!  --> src/path_to_end.rs:3:35
Nov 04 14:56:43.872 INFO kablam!   |
Nov 04 14:56:43.872 INFO kablam! 3 | use super::tree::{QuaternaryTree, Node, Link};
Nov 04 14:56:43.872 INFO kablam!   |                                   ^^^^
Nov 04 14:56:43.872 INFO kablam! 
Nov 04 14:56:43.965 INFO kablam! warning: unused imports: `read`, `write`
Nov 04 14:56:43.965 INFO kablam!  --> src/main.rs:3:16
Nov 04 14:56:43.965 INFO kablam!   |
Nov 04 14:56:43.965 INFO kablam! 3 | use imagefmt::{read, write, ColFmt, ColType};
Nov 04 14:56:43.965 INFO kablam!   |                ^^^^  ^^^^^
Nov 04 14:56:43.965 INFO kablam!   |
Nov 04 14:56:43.966 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 14:56:43.966 INFO kablam! 
Nov 04 14:56:43.966 INFO kablam! warning: unused import: `std::mem::drop`
Nov 04 14:56:43.966 INFO kablam!  --> src/tree.rs:2:5
Nov 04 14:56:43.966 INFO kablam!   |
Nov 04 14:56:43.966 INFO kablam! 2 | use std::mem::drop;
Nov 04 14:56:43.966 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 04 14:56:43.966 INFO kablam! 
Nov 04 14:56:44.003 INFO kablam! warning: variable does not need to be mutable
Nov 04 14:56:44.003 INFO kablam!   --> src/tree.rs:41:8
Nov 04 14:56:44.003 INFO kablam!    |
Nov 04 14:56:44.003 INFO kablam! 41 |             let mut cur = &mut *next.take().unwrap();
Nov 04 14:56:44.003 INFO kablam!    |                 ----^^^
Nov 04 14:56:44.003 INFO kablam!    |                 |
Nov 04 14:56:44.003 INFO kablam!    |                 help: remove this `mut`
Nov 04 14:56:44.003 INFO kablam!    |
Nov 04 14:56:44.003 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 14:56:44.003 INFO kablam! 
Nov 04 14:56:44.029 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 14:56:44.029 INFO kablam!   --> src/main.rs:20:2
Nov 04 14:56:44.029 INFO kablam!    |
Nov 04 14:56:44.029 INFO kablam! 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Nov 04 14:56:44.029 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 14:56:44.029 INFO kablam!    |
Nov 04 14:56:44.029 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 14:56:44.029 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 14:56:44.029 INFO kablam! 
Nov 04 14:56:44.214 INFO kablam! warning: variable does not need to be mutable
Nov 04 14:56:44.214 INFO kablam!   --> src/tree.rs:41:8
Nov 04 14:56:44.214 INFO kablam!    |
Nov 04 14:56:44.214 INFO kablam! 41 |             let mut cur = &mut *next.take().unwrap();
Nov 04 14:56:44.215 INFO kablam!    |                 ----^^^
Nov 04 14:56:44.215 INFO kablam!    |                 |
Nov 04 14:56:44.215 INFO kablam!    |                 help: remove this `mut`
Nov 04 14:56:44.215 INFO kablam!    |
Nov 04 14:56:44.215 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 14:56:44.216 INFO kablam! 
Nov 04 14:56:44.289 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 14:56:44.289 INFO kablam!   --> src/main.rs:20:2
Nov 04 14:56:44.290 INFO kablam!    |
Nov 04 14:56:44.290 INFO kablam! 20 |     imagefmt::write("out.bmp", maze.width, maze.height, ColFmt::RGB, &pixels, ColType::Auto);
Nov 04 14:56:44.290 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 14:56:44.291 INFO kablam!    |
Nov 04 14:56:44.291 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 14:56:44.291 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 14:56:44.292 INFO kablam! 
Nov 04 14:56:44.302 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
Nov 04 14:56:44.307 INFO kablam! su: No module specific data is present
Nov 04 14:56:44.604 INFO running `"docker" "rm" "-f" "d5af119c9f82342fda4bfcc18e205db3c434c122df1ae00b7268761f360c3994"`
Nov 04 14:56:44.723 INFO blam! d5af119c9f82342fda4bfcc18e205db3c434c122df1ae00b7268761f360c3994