Nov 01 10:26:26.067 INFO checking Ragnaroek/libmaze against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 10:26:26.068 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 10:26:26.425 INFO blam! e3955bfe452042a9550a9a39426d9a997c25b4f940e821b129e5e07e4eced51f
Nov 01 10:26:26.425 INFO running `"docker" "start" "-a" "e3955bfe452042a9550a9a39426d9a997c25b4f940e821b129e5e07e4eced51f"`
Nov 01 10:26:28.360 INFO kablam! usermod: no changes
Nov 01 10:26:28.484 INFO kablam!     Checking maze v0.1.0 (/source)
Nov 01 10:26:32.670 INFO kablam! warning: unused import: `SquareMaze`
Nov 01 10:26:32.671 INFO kablam!  --> tests/visited.rs:4:25
Nov 01 10:26:32.671 INFO kablam!   |
Nov 01 10:26:32.671 INFO kablam! 4 | use maze::square_maze::{SquareMaze, WallDirection};
Nov 01 10:26:32.671 INFO kablam!   |                         ^^^^^^^^^^
Nov 01 10:26:32.671 INFO kablam!   |
Nov 01 10:26:32.672 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:26:32.672 INFO kablam! 
Nov 01 10:26:32.840 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
Nov 01 10:26:32.852 INFO kablam! su: No module specific data is present
Nov 01 10:26:34.024 INFO running `"docker" "rm" "-f" "e3955bfe452042a9550a9a39426d9a997c25b4f940e821b129e5e07e4eced51f"`
Nov 01 10:26:34.296 INFO blam! e3955bfe452042a9550a9a39426d9a997c25b4f940e821b129e5e07e4eced51f