Sep 14 13:20:46.118 INFO checking maze-0.1.2 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 13:20:46.118 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 13:20:46.118 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 13:20:46.309 INFO blam! fc0838adf1ac7c6e9e3a47742d26bf78ecac531b03414c5c3ebe64f7fb481192
Sep 14 13:20:46.311 INFO running `"docker" "start" "-a" "fc0838adf1ac7c6e9e3a47742d26bf78ecac531b03414c5c3ebe64f7fb481192"`
Sep 14 13:20:47.663 INFO kablam! usermod: no changes
Sep 14 13:20:47.955 INFO kablam!     Checking png v0.5.2
Sep 14 13:20:47.955 INFO kablam!     Checking hyper v0.9.12
Sep 14 13:20:49.390 INFO kablam!     Checking image v0.10.4
Sep 14 13:20:53.250 INFO kablam!     Checking iron v0.4.0
Sep 14 13:20:54.617 INFO kablam!     Checking imageproc v0.6.1
Sep 14 13:20:54.635 INFO kablam!     Checking persistent v0.2.1
Sep 14 13:20:54.635 INFO kablam!     Checking router v0.4.0
Sep 14 13:20:56.131 INFO kablam!     Checking bodyparser v0.4.1
Sep 14 13:20:57.082 INFO kablam!     Checking urlencoded v0.4.1
Sep 14 13:20:58.105 INFO kablam!     Checking maze v0.1.2 (file:///source)
Sep 14 13:21:00.094 INFO kablam! warning: variable does not need to be mutable
Sep 14 13:21:00.094 INFO kablam!    --> src/types/grid.rs:191:13
Sep 14 13:21:00.094 INFO kablam!     |
Sep 14 13:21:00.094 INFO kablam! 191 |         let mut grid = self;
Sep 14 13:21:00.094 INFO kablam!     |             ----^^^^
Sep 14 13:21:00.094 INFO kablam!     |             |
Sep 14 13:21:00.094 INFO kablam!     |             help: remove this `mut`
Sep 14 13:21:00.094 INFO kablam!     |
Sep 14 13:21:00.094 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 13:21:00.094 INFO kablam! 
Sep 14 13:21:00.103 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 14 13:21:00.103 INFO kablam!  --> src/lib.rs:2:12
Sep 14 13:21:00.103 INFO kablam!   |
Sep 14 13:21:00.103 INFO kablam! 2 | #![feature(proc_macro)]
Sep 14 13:21:00.103 INFO kablam!   |            ^^^^^^^^^^
Sep 14 13:21:00.103 INFO kablam!   |
Sep 14 13:21:00.103 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 14 13:21:00.103 INFO kablam! 
Sep 14 13:21:00.251 INFO kablam! warning: variable does not need to be mutable
Sep 14 13:21:00.251 INFO kablam!    --> src/types/grid.rs:191:13
Sep 14 13:21:00.251 INFO kablam!     |
Sep 14 13:21:00.251 INFO kablam! 191 |         let mut grid = self;
Sep 14 13:21:00.251 INFO kablam!     |             ----^^^^
Sep 14 13:21:00.251 INFO kablam!     |             |
Sep 14 13:21:00.251 INFO kablam!     |             help: remove this `mut`
Sep 14 13:21:00.251 INFO kablam!     |
Sep 14 13:21:00.252 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 13:21:00.252 INFO kablam! 
Sep 14 13:21:00.259 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 14 13:21:00.259 INFO kablam!  --> src/lib.rs:2:12
Sep 14 13:21:00.259 INFO kablam!   |
Sep 14 13:21:00.259 INFO kablam! 2 | #![feature(proc_macro)]
Sep 14 13:21:00.259 INFO kablam!   |            ^^^^^^^^^^
Sep 14 13:21:00.259 INFO kablam!   |
Sep 14 13:21:00.259 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 14 13:21:00.259 INFO kablam! 
Sep 14 13:21:02.552 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.87s
Sep 14 13:21:02.607 INFO kablam! su: No module specific data is present
Sep 14 13:21:03.347 INFO running `"docker" "rm" "-f" "fc0838adf1ac7c6e9e3a47742d26bf78ecac531b03414c5c3ebe64f7fb481192"`
Sep 14 13:21:03.562 INFO blam! fc0838adf1ac7c6e9e3a47742d26bf78ecac531b03414c5c3ebe64f7fb481192