Sep 17 21:31:20.063 INFO checking maze-0.1.2 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 21:31:20.063 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 21:31:20.063 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 21:31:20.261 INFO blam! ee3640b977952449334b09ed37710f5662ba0f21a375fd610507a2b82f89127c
Sep 17 21:31:20.263 INFO running `"docker" "start" "-a" "ee3640b977952449334b09ed37710f5662ba0f21a375fd610507a2b82f89127c"`
Sep 17 21:31:21.190 INFO kablam! usermod: no changes
Sep 17 21:31:21.475 INFO kablam!     Checking css-color-parser v0.1.2
Sep 17 21:31:21.475 INFO kablam!     Checking png v0.5.2
Sep 17 21:31:21.475 INFO kablam!     Checking hyper v0.9.12
Sep 17 21:31:21.475 INFO kablam!     Checking nalgebra v0.5.1
Sep 17 21:31:22.692 INFO kablam!     Checking image v0.10.4
Sep 17 21:31:26.720 INFO kablam!     Checking iron v0.4.0
Sep 17 21:31:28.201 INFO kablam!     Checking persistent v0.2.1
Sep 17 21:31:28.201 INFO kablam!     Checking router v0.4.0
Sep 17 21:31:30.027 INFO kablam!     Checking bodyparser v0.4.1
Sep 17 21:31:31.431 INFO kablam!     Checking urlencoded v0.4.1
Sep 17 21:31:33.105 INFO kablam!     Checking imageproc v0.6.1
Sep 17 21:31:35.335 INFO kablam!     Checking maze v0.1.2 (/source)
Sep 17 21:31:37.347 INFO kablam! warning: variable does not need to be mutable
Sep 17 21:31:37.348 INFO kablam!    --> src/types/grid.rs:191:13
Sep 17 21:31:37.348 INFO kablam!     |
Sep 17 21:31:37.348 INFO kablam! 191 |         let mut grid = self;
Sep 17 21:31:37.348 INFO kablam!     |             ----^^^^
Sep 17 21:31:37.348 INFO kablam!     |             |
Sep 17 21:31:37.348 INFO kablam!     |             help: remove this `mut`
Sep 17 21:31:37.348 INFO kablam!     |
Sep 17 21:31:37.348 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 21:31:37.348 INFO kablam! 
Sep 17 21:31:37.355 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 17 21:31:37.355 INFO kablam!  --> src/lib.rs:2:12
Sep 17 21:31:37.355 INFO kablam!   |
Sep 17 21:31:37.355 INFO kablam! 2 | #![feature(proc_macro)]
Sep 17 21:31:37.355 INFO kablam!   |            ^^^^^^^^^^
Sep 17 21:31:37.355 INFO kablam!   |
Sep 17 21:31:37.355 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 17 21:31:37.355 INFO kablam! 
Sep 17 21:31:37.370 INFO kablam! warning: variable does not need to be mutable
Sep 17 21:31:37.370 INFO kablam!    --> src/types/grid.rs:191:13
Sep 17 21:31:37.370 INFO kablam!     |
Sep 17 21:31:37.370 INFO kablam! 191 |         let mut grid = self;
Sep 17 21:31:37.370 INFO kablam!     |             ----^^^^
Sep 17 21:31:37.370 INFO kablam!     |             |
Sep 17 21:31:37.370 INFO kablam!     |             help: remove this `mut`
Sep 17 21:31:37.370 INFO kablam!     |
Sep 17 21:31:37.370 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 21:31:37.370 INFO kablam! 
Sep 17 21:31:37.378 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 17 21:31:37.378 INFO kablam!  --> src/lib.rs:2:12
Sep 17 21:31:37.378 INFO kablam!   |
Sep 17 21:31:37.378 INFO kablam! 2 | #![feature(proc_macro)]
Sep 17 21:31:37.378 INFO kablam!   |            ^^^^^^^^^^
Sep 17 21:31:37.378 INFO kablam!   |
Sep 17 21:31:37.378 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 17 21:31:37.378 INFO kablam! 
Sep 17 21:31:40.046 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.84s
Sep 17 21:31:40.095 INFO kablam! su: No module specific data is present
Sep 17 21:31:41.363 INFO running `"docker" "rm" "-f" "ee3640b977952449334b09ed37710f5662ba0f21a375fd610507a2b82f89127c"`
Sep 17 21:31:41.526 INFO blam! ee3640b977952449334b09ed37710f5662ba0f21a375fd610507a2b82f89127c