Nov 01 19:59:38.351 INFO checking maze-0.1.2 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 19:59:38.351 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 19:59:38.580 INFO blam! c330ab5ac6d0ca73a70c25d0ee53b3e23511f6e8d54a154c6a82132042c396da
Nov 01 19:59:38.584 INFO running `"docker" "start" "-a" "c330ab5ac6d0ca73a70c25d0ee53b3e23511f6e8d54a154c6a82132042c396da"`
Nov 01 19:59:39.064 INFO kablam! usermod: no changes
Nov 01 19:59:39.385 INFO kablam!     Checking png v0.5.2
Nov 01 19:59:39.385 INFO kablam!     Checking hyper v0.9.12
Nov 01 19:59:39.387 INFO kablam!     Checking nalgebra v0.5.1
Nov 01 19:59:42.093 INFO kablam!     Checking image v0.10.4
Nov 01 19:59:47.074 INFO kablam!     Checking iron v0.4.0
Nov 01 19:59:50.881 INFO kablam!     Checking persistent v0.2.1
Nov 01 19:59:50.881 INFO kablam!     Checking router v0.4.0
Nov 01 19:59:52.941 INFO kablam!     Checking imageproc v0.6.1
Nov 01 19:59:55.763 INFO kablam!     Checking bodyparser v0.4.1
Nov 01 20:00:00.600 INFO kablam!     Checking urlencoded v0.4.1
Nov 01 20:00:04.126 INFO kablam!     Checking maze v0.1.2 (/source)
Nov 01 20:00:11.188 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:00:11.188 INFO kablam!    --> src/types/grid.rs:191:13
Nov 01 20:00:11.188 INFO kablam!     |
Nov 01 20:00:11.188 INFO kablam! 191 |         let mut grid = self;
Nov 01 20:00:11.188 INFO kablam!     |             ----^^^^
Nov 01 20:00:11.188 INFO kablam!     |             |
Nov 01 20:00:11.188 INFO kablam!     |             help: remove this `mut`
Nov 01 20:00:11.188 INFO kablam!     |
Nov 01 20:00:11.188 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 20:00:11.188 INFO kablam! 
Nov 01 20:00:11.200 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 01 20:00:11.200 INFO kablam!  --> src/lib.rs:2:12
Nov 01 20:00:11.200 INFO kablam!   |
Nov 01 20:00:11.200 INFO kablam! 2 | #![feature(proc_macro)]
Nov 01 20:00:11.200 INFO kablam!   |            ^^^^^^^^^^
Nov 01 20:00:11.200 INFO kablam!   |
Nov 01 20:00:11.201 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 20:00:11.201 INFO kablam! 
Nov 01 20:00:11.981 INFO kablam! warning: variable does not need to be mutable
Nov 01 20:00:11.981 INFO kablam!    --> src/types/grid.rs:191:13
Nov 01 20:00:11.981 INFO kablam!     |
Nov 01 20:00:11.982 INFO kablam! 191 |         let mut grid = self;
Nov 01 20:00:11.982 INFO kablam!     |             ----^^^^
Nov 01 20:00:11.982 INFO kablam!     |             |
Nov 01 20:00:11.982 INFO kablam!     |             help: remove this `mut`
Nov 01 20:00:11.983 INFO kablam!     |
Nov 01 20:00:11.983 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 20:00:11.983 INFO kablam! 
Nov 01 20:00:11.993 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 01 20:00:11.993 INFO kablam!  --> src/lib.rs:2:12
Nov 01 20:00:11.993 INFO kablam!   |
Nov 01 20:00:11.993 INFO kablam! 2 | #![feature(proc_macro)]
Nov 01 20:00:11.994 INFO kablam!   |            ^^^^^^^^^^
Nov 01 20:00:11.994 INFO kablam!   |
Nov 01 20:00:11.994 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 20:00:11.995 INFO kablam! 
Nov 01 20:00:24.826 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 45.75s
Nov 01 20:00:24.864 INFO kablam! su: No module specific data is present
Nov 01 20:00:26.293 INFO running `"docker" "rm" "-f" "c330ab5ac6d0ca73a70c25d0ee53b3e23511f6e8d54a154c6a82132042c396da"`
Nov 01 20:00:26.676 INFO blam! c330ab5ac6d0ca73a70c25d0ee53b3e23511f6e8d54a154c6a82132042c396da