Sep 04 23:43:30.815 INFO checking attr-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 23:43:30.815 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 23:43:30.817 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 23:43:31.002 INFO blam! c6b9664a9363df2ae971c0f9429cc18a14e0284a2aa920275d4b393f6f13d06b
Sep 04 23:43:31.005 INFO running `"docker" "start" "-a" "c6b9664a9363df2ae971c0f9429cc18a14e0284a2aa920275d4b393f6f13d06b"`
Sep 04 23:43:31.898 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 04 23:43:31.923 INFO kablam!     Checking attr v0.1.0 (file:///source)
Sep 04 23:43:34.120 INFO kablam! warning: variable does not need to be mutable
Sep 04 23:43:34.120 INFO kablam!    --> tests/simple.rs:108:9
Sep 04 23:43:34.120 INFO kablam!     |
Sep 04 23:43:34.121 INFO kablam! 108 |     let mut batz = Bar::attrs().batz.get(&mut f);
Sep 04 23:43:34.121 INFO kablam!     |         ----^^^^
Sep 04 23:43:34.121 INFO kablam!     |         |
Sep 04 23:43:34.121 INFO kablam!     |         help: remove this `mut`
Sep 04 23:43:34.121 INFO kablam!     |
Sep 04 23:43:34.121 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 23:43:34.121 INFO kablam! 
Sep 04 23:43:34.375 INFO kablam! warning: variable does not need to be mutable
Sep 04 23:43:34.375 INFO kablam!    --> tests/nested.rs:252:13
Sep 04 23:43:34.375 INFO kablam!     |
Sep 04 23:43:34.375 INFO kablam! 252 |         let mut x: &mut i32 = foo::Numbers.at(&mut f, 1);
Sep 04 23:43:34.375 INFO kablam!     |             ----^
Sep 04 23:43:34.375 INFO kablam!     |             |
Sep 04 23:43:34.375 INFO kablam!     |             help: remove this `mut`
Sep 04 23:43:34.375 INFO kablam!     |
Sep 04 23:43:34.375 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 23:43:34.375 INFO kablam! 
Sep 04 23:43:34.597 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Sep 04 23:43:34.602 INFO kablam! su: No module specific data is present
Sep 04 23:43:35.037 INFO running `"docker" "rm" "-f" "c6b9664a9363df2ae971c0f9429cc18a14e0284a2aa920275d4b393f6f13d06b"`
Sep 04 23:43:35.142 INFO blam! c6b9664a9363df2ae971c0f9429cc18a14e0284a2aa920275d4b393f6f13d06b