Nov 04 21:07:25.407 INFO checking maze-0.1.2 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 21:07:25.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 21:07:25.623 INFO blam! 33a03cc35e2c5705be2ba9800e7e145bff04f5f80aeac90c6b6728b8935e38c8
Nov 04 21:07:25.631 INFO running `"docker" "start" "-a" "33a03cc35e2c5705be2ba9800e7e145bff04f5f80aeac90c6b6728b8935e38c8"`
Nov 04 21:07:26.434 INFO kablam! usermod: no changes
Nov 04 21:07:26.803 INFO kablam!     Checking png v0.5.2
Nov 04 21:07:26.815 INFO kablam!     Checking hyper v0.9.12
Nov 04 21:07:26.815 INFO kablam!     Checking nalgebra v0.5.1
Nov 04 21:07:28.463 INFO kablam!     Checking image v0.10.4
Nov 04 21:07:33.323 INFO kablam!     Checking iron v0.4.0
Nov 04 21:07:36.251 INFO kablam!     Checking persistent v0.2.1
Nov 04 21:07:36.251 INFO kablam!     Checking router v0.4.0
Nov 04 21:07:39.295 INFO kablam!     Checking imageproc v0.6.1
Nov 04 21:07:41.291 INFO kablam!     Checking bodyparser v0.4.1
Nov 04 21:07:45.580 INFO kablam!     Checking urlencoded v0.4.1
Nov 04 21:07:48.781 INFO kablam!     Checking maze v0.1.2 (/source)
Nov 04 21:07:57.667 INFO kablam! warning: variable does not need to be mutable
Nov 04 21:07:57.667 INFO kablam!    --> src/types/grid.rs:191:13
Nov 04 21:07:57.667 INFO kablam!     |
Nov 04 21:07:57.667 INFO kablam! 191 |         let mut grid = self;
Nov 04 21:07:57.667 INFO kablam!     |             ----^^^^
Nov 04 21:07:57.667 INFO kablam!     |             |
Nov 04 21:07:57.667 INFO kablam!     |             help: remove this `mut`
Nov 04 21:07:57.667 INFO kablam!     |
Nov 04 21:07:57.667 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 21:07:57.667 INFO kablam! 
Nov 04 21:07:57.685 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 04 21:07:57.685 INFO kablam!  --> src/lib.rs:2:12
Nov 04 21:07:57.685 INFO kablam!   |
Nov 04 21:07:57.685 INFO kablam! 2 | #![feature(proc_macro)]
Nov 04 21:07:57.685 INFO kablam!   |            ^^^^^^^^^^
Nov 04 21:07:57.685 INFO kablam!   |
Nov 04 21:07:57.699 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 04 21:07:57.699 INFO kablam! 
Nov 04 21:07:57.737 INFO kablam! warning: variable does not need to be mutable
Nov 04 21:07:57.737 INFO kablam!    --> src/types/grid.rs:191:13
Nov 04 21:07:57.737 INFO kablam!     |
Nov 04 21:07:57.737 INFO kablam! 191 |         let mut grid = self;
Nov 04 21:07:57.737 INFO kablam!     |             ----^^^^
Nov 04 21:07:57.737 INFO kablam!     |             |
Nov 04 21:07:57.737 INFO kablam!     |             help: remove this `mut`
Nov 04 21:07:57.737 INFO kablam!     |
Nov 04 21:07:57.737 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 21:07:57.737 INFO kablam! 
Nov 04 21:07:57.771 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 04 21:07:57.771 INFO kablam!  --> src/lib.rs:2:12
Nov 04 21:07:57.771 INFO kablam!   |
Nov 04 21:07:57.771 INFO kablam! 2 | #![feature(proc_macro)]
Nov 04 21:07:57.771 INFO kablam!   |            ^^^^^^^^^^
Nov 04 21:07:57.771 INFO kablam!   |
Nov 04 21:07:57.771 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 04 21:07:57.771 INFO kablam! 
Nov 04 21:08:09.343 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 42.86s
Nov 04 21:08:09.379 INFO kablam! su: No module specific data is present
Nov 04 21:08:10.796 INFO running `"docker" "rm" "-f" "33a03cc35e2c5705be2ba9800e7e145bff04f5f80aeac90c6b6728b8935e38c8"`
Nov 04 21:08:11.151 INFO blam! 33a03cc35e2c5705be2ba9800e7e145bff04f5f80aeac90c6b6728b8935e38c8