Sep 20 00:20:27.339 INFO checking maze-0.1.2 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 00:20:27.339 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 00:20:27.339 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 00:20:27.477 INFO blam! 84607a49a9b760fc6b225441a3da4bc4e6b3b5abfa825c289a680ab8741e8516
Sep 20 00:20:27.478 INFO running `"docker" "start" "-a" "84607a49a9b760fc6b225441a3da4bc4e6b3b5abfa825c289a680ab8741e8516"`
Sep 20 00:20:28.114 INFO kablam! usermod: no changes
Sep 20 00:20:28.354 INFO kablam!     Checking css-color-parser v0.1.2
Sep 20 00:20:28.357 INFO kablam!     Checking png v0.5.2
Sep 20 00:20:28.357 INFO kablam!     Checking hyper v0.9.12
Sep 20 00:20:29.293 INFO kablam!     Checking image v0.10.4
Sep 20 00:20:32.743 INFO kablam!     Checking iron v0.4.0
Sep 20 00:20:34.662 INFO kablam!     Checking persistent v0.2.1
Sep 20 00:20:34.662 INFO kablam!     Checking router v0.4.0
Sep 20 00:20:35.711 INFO kablam!     Checking imageproc v0.6.1
Sep 20 00:20:36.225 INFO kablam!     Checking bodyparser v0.4.1
Sep 20 00:20:38.190 INFO kablam!     Checking urlencoded v0.4.1
Sep 20 00:20:39.840 INFO kablam!     Checking maze v0.1.2 (/source)
Sep 20 00:20:41.722 INFO kablam! warning: variable does not need to be mutable
Sep 20 00:20:41.722 INFO kablam!    --> src/types/grid.rs:191:13
Sep 20 00:20:41.722 INFO kablam!     |
Sep 20 00:20:41.722 INFO kablam! 191 |         let mut grid = self;
Sep 20 00:20:41.722 INFO kablam!     |             ----^^^^
Sep 20 00:20:41.722 INFO kablam!     |             |
Sep 20 00:20:41.722 INFO kablam!     |             help: remove this `mut`
Sep 20 00:20:41.722 INFO kablam!     |
Sep 20 00:20:41.722 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 00:20:41.722 INFO kablam! 
Sep 20 00:20:41.730 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 20 00:20:41.730 INFO kablam!  --> src/lib.rs:2:12
Sep 20 00:20:41.730 INFO kablam!   |
Sep 20 00:20:41.730 INFO kablam! 2 | #![feature(proc_macro)]
Sep 20 00:20:41.730 INFO kablam!   |            ^^^^^^^^^^
Sep 20 00:20:41.730 INFO kablam!   |
Sep 20 00:20:41.730 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 00:20:41.730 INFO kablam! 
Sep 20 00:20:41.810 INFO kablam! warning: variable does not need to be mutable
Sep 20 00:20:41.810 INFO kablam!    --> src/types/grid.rs:191:13
Sep 20 00:20:41.810 INFO kablam!     |
Sep 20 00:20:41.810 INFO kablam! 191 |         let mut grid = self;
Sep 20 00:20:41.810 INFO kablam!     |             ----^^^^
Sep 20 00:20:41.810 INFO kablam!     |             |
Sep 20 00:20:41.810 INFO kablam!     |             help: remove this `mut`
Sep 20 00:20:41.810 INFO kablam!     |
Sep 20 00:20:41.810 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 00:20:41.810 INFO kablam! 
Sep 20 00:20:41.822 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 20 00:20:41.822 INFO kablam!  --> src/lib.rs:2:12
Sep 20 00:20:41.822 INFO kablam!   |
Sep 20 00:20:41.822 INFO kablam! 2 | #![feature(proc_macro)]
Sep 20 00:20:41.822 INFO kablam!   |            ^^^^^^^^^^
Sep 20 00:20:41.822 INFO kablam!   |
Sep 20 00:20:41.822 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 00:20:41.822 INFO kablam! 
Sep 20 00:20:43.905 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.77s
Sep 20 00:20:43.920 INFO kablam! su: No module specific data is present
Sep 20 00:20:44.622 INFO running `"docker" "rm" "-f" "84607a49a9b760fc6b225441a3da4bc4e6b3b5abfa825c289a680ab8741e8516"`
Sep 20 00:20:44.721 INFO blam! 84607a49a9b760fc6b225441a3da4bc4e6b3b5abfa825c289a680ab8741e8516