Sep 04 11:16:41.309 INFO checking maze-0.1.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 11:16:41.310 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 11:16:41.310 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:16:41.468 INFO blam! c63c540bea2f520d20a9fea33219390254b2eae9dfb5ee55b0ff1dfd7468438d
Sep 04 11:16:41.470 INFO running `"docker" "start" "-a" "c63c540bea2f520d20a9fea33219390254b2eae9dfb5ee55b0ff1dfd7468438d"`
Sep 04 11:16:42.554 INFO kablam!     Checking png v0.5.2
Sep 04 11:16:42.555 INFO kablam!     Checking hyper v0.9.12
Sep 04 11:16:42.555 INFO kablam!     Checking nalgebra v0.5.1
Sep 04 11:16:45.305 INFO kablam!     Checking image v0.10.4
Sep 04 11:16:51.718 INFO kablam!     Checking iron v0.4.0
Sep 04 11:16:55.519 INFO kablam!     Checking persistent v0.2.1
Sep 04 11:16:55.519 INFO kablam!     Checking router v0.4.0
Sep 04 11:16:59.275 INFO kablam!     Checking bodyparser v0.4.1
Sep 04 11:17:01.813 INFO kablam!     Checking urlencoded v0.4.1
Sep 04 11:17:02.393 INFO kablam!     Checking imageproc v0.6.1
Sep 04 11:17:07.137 INFO kablam!     Checking maze v0.1.2 (file:///source)
Sep 04 11:17:12.953 INFO kablam! warning: variable does not need to be mutable
Sep 04 11:17:12.953 INFO kablam!    --> src/types/grid.rs:191:13
Sep 04 11:17:12.953 INFO kablam!     |
Sep 04 11:17:12.953 INFO kablam! 191 |         let mut grid = self;
Sep 04 11:17:12.953 INFO kablam!     |             ----^^^^
Sep 04 11:17:12.953 INFO kablam!     |             |
Sep 04 11:17:12.954 INFO kablam!     |             help: remove this `mut`
Sep 04 11:17:12.954 INFO kablam!     |
Sep 04 11:17:12.954 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 11:17:12.954 INFO kablam! 
Sep 04 11:17:12.977 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 04 11:17:12.977 INFO kablam!  --> src/lib.rs:2:12
Sep 04 11:17:12.977 INFO kablam!   |
Sep 04 11:17:12.977 INFO kablam! 2 | #![feature(proc_macro)]
Sep 04 11:17:12.977 INFO kablam!   |            ^^^^^^^^^^
Sep 04 11:17:12.977 INFO kablam!   |
Sep 04 11:17:12.977 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 11:17:12.977 INFO kablam! 
Sep 04 11:17:13.487 INFO kablam! warning: variable does not need to be mutable
Sep 04 11:17:13.487 INFO kablam!    --> src/types/grid.rs:191:13
Sep 04 11:17:13.487 INFO kablam!     |
Sep 04 11:17:13.487 INFO kablam! 191 |         let mut grid = self;
Sep 04 11:17:13.487 INFO kablam!     |             ----^^^^
Sep 04 11:17:13.487 INFO kablam!     |             |
Sep 04 11:17:13.487 INFO kablam!     |             help: remove this `mut`
Sep 04 11:17:13.487 INFO kablam!     |
Sep 04 11:17:13.487 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 11:17:13.487 INFO kablam! 
Sep 04 11:17:13.512 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 04 11:17:13.512 INFO kablam!  --> src/lib.rs:2:12
Sep 04 11:17:13.512 INFO kablam!   |
Sep 04 11:17:13.512 INFO kablam! 2 | #![feature(proc_macro)]
Sep 04 11:17:13.513 INFO kablam!   |            ^^^^^^^^^^
Sep 04 11:17:13.513 INFO kablam!   |
Sep 04 11:17:13.513 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 11:17:13.513 INFO kablam! 
Sep 04 11:17:18.855 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 36.55s
Sep 04 11:17:18.871 INFO kablam! su: No module specific data is present
Sep 04 11:17:19.275 INFO running `"docker" "rm" "-f" "c63c540bea2f520d20a9fea33219390254b2eae9dfb5ee55b0ff1dfd7468438d"`
Sep 04 11:17:19.369 INFO blam! c63c540bea2f520d20a9fea33219390254b2eae9dfb5ee55b0ff1dfd7468438d