Sep 10 22:31:30.744 INFO checking attr-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:31:30.744 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:31:30.744 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:31:30.939 INFO blam! bf7a73c8155ccd1c956eca71f8db0fdba8e1c2539beef3f81cef9cf26cdbfc3e
Sep 10 22:31:30.941 INFO running `"docker" "start" "-a" "bf7a73c8155ccd1c956eca71f8db0fdba8e1c2539beef3f81cef9cf26cdbfc3e"`
Sep 10 22:31:31.915 INFO kablam! usermod: no changes
Sep 10 22:31:31.972 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 10 22:31:31.992 INFO kablam!     Checking attr v0.1.0 (file:///source)
Sep 10 22:31:33.670 INFO kablam! warning: variable does not need to be mutable
Sep 10 22:31:33.670 INFO kablam!    --> tests/nested.rs:252:13
Sep 10 22:31:33.670 INFO kablam!     |
Sep 10 22:31:33.670 INFO kablam! 252 |         let mut x: &mut i32 = foo::Numbers.at(&mut f, 1);
Sep 10 22:31:33.670 INFO kablam!     |             ----^
Sep 10 22:31:33.670 INFO kablam!     |             |
Sep 10 22:31:33.670 INFO kablam!     |             help: remove this `mut`
Sep 10 22:31:33.670 INFO kablam!     |
Sep 10 22:31:33.670 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 22:31:33.670 INFO kablam! 
Sep 10 22:31:33.818 INFO kablam! warning: variable does not need to be mutable
Sep 10 22:31:33.818 INFO kablam!    --> tests/simple.rs:108:9
Sep 10 22:31:33.818 INFO kablam!     |
Sep 10 22:31:33.818 INFO kablam! 108 |     let mut batz = Bar::attrs().batz.get(&mut f);
Sep 10 22:31:33.818 INFO kablam!     |         ----^^^^
Sep 10 22:31:33.818 INFO kablam!     |         |
Sep 10 22:31:33.818 INFO kablam!     |         help: remove this `mut`
Sep 10 22:31:33.818 INFO kablam!     |
Sep 10 22:31:33.818 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 22:31:33.818 INFO kablam! 
Sep 10 22:31:33.985 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
Sep 10 22:31:33.990 INFO kablam! su: No module specific data is present
Sep 10 22:31:34.784 INFO running `"docker" "rm" "-f" "bf7a73c8155ccd1c956eca71f8db0fdba8e1c2539beef3f81cef9cf26cdbfc3e"`
Sep 10 22:31:34.917 INFO blam! bf7a73c8155ccd1c956eca71f8db0fdba8e1c2539beef3f81cef9cf26cdbfc3e