Sep 10 04:01:12.414 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-primitives against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 04:01:12.414 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 04:01:12.414 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/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 04:01:12.523 INFO blam! c93ceff8b44179f5d3964420957ed00753541bd925d157bc4f7a5340b47c55b7
Sep 10 04:01:12.527 INFO running `"docker" "start" "-a" "c93ceff8b44179f5d3964420957ed00753541bd925d157bc4f7a5340b47c55b7"`
Sep 10 04:01:13.803 INFO kablam! usermod: no changes
Sep 10 04:01:13.831 INFO kablam!     Checking example-x-rust-x-rustbyexample-com-x-primitives v0.1.0 (file:///source)
Sep 10 04:01:13.936 INFO kablam! warning: unused variable: `logical`
Sep 10 04:01:13.936 INFO kablam!  --> src/main.rs:3:9
Sep 10 04:01:13.936 INFO kablam!   |
Sep 10 04:01:13.936 INFO kablam! 3 |     let logical: bool = true;
Sep 10 04:01:13.936 INFO kablam!   |         ^^^^^^^ help: consider using `_logical` instead
Sep 10 04:01:13.936 INFO kablam!   |
Sep 10 04:01:13.936 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 10 04:01:13.936 INFO kablam! 
Sep 10 04:01:13.936 INFO kablam! warning: unused variable: `a_float`
Sep 10 04:01:13.936 INFO kablam!  --> src/main.rs:5:9
Sep 10 04:01:13.936 INFO kablam!   |
Sep 10 04:01:13.936 INFO kablam! 5 |     let a_float: f64 = 1.0;  // Regular annotation
Sep 10 04:01:13.936 INFO kablam!   |         ^^^^^^^ help: consider using `_a_float` instead
Sep 10 04:01:13.936 INFO kablam! 
Sep 10 04:01:13.936 INFO kablam! warning: unused variable: `an_integer`
Sep 10 04:01:13.936 INFO kablam!  --> src/main.rs:6:9
Sep 10 04:01:13.936 INFO kablam!   |
Sep 10 04:01:13.936 INFO kablam! 6 |     let an_integer   = 5i32; // Suffix annotation
Sep 10 04:01:13.936 INFO kablam!   |         ^^^^^^^^^^ help: consider using `_an_integer` instead
Sep 10 04:01:13.936 INFO kablam! 
Sep 10 04:01:13.937 INFO kablam! warning: unused variable: `default_float`
Sep 10 04:01:13.937 INFO kablam!  --> src/main.rs:9:9
Sep 10 04:01:13.937 INFO kablam!   |
Sep 10 04:01:13.937 INFO kablam! 9 |     let default_float   = 3.0; // `f64`
Sep 10 04:01:13.937 INFO kablam!   |         ^^^^^^^^^^^^^ help: consider using `_default_float` instead
Sep 10 04:01:13.937 INFO kablam! 
Sep 10 04:01:13.937 INFO kablam! warning: unused variable: `default_integer`
Sep 10 04:01:13.937 INFO kablam!   --> src/main.rs:10:9
Sep 10 04:01:13.937 INFO kablam!    |
Sep 10 04:01:13.937 INFO kablam! 10 |     let default_integer = 7;   // `i32`
Sep 10 04:01:13.937 INFO kablam!    |         ^^^^^^^^^^^^^^^ help: consider using `_default_integer` instead
Sep 10 04:01:13.937 INFO kablam! 
Sep 10 04:01:13.937 INFO kablam! warning: unused variable: `mutable`
Sep 10 04:01:13.937 INFO kablam!   --> src/main.rs:12:13
Sep 10 04:01:13.937 INFO kablam!    |
Sep 10 04:01:13.937 INFO kablam! 12 |     let mut mutable = 12; // Mutable `i32`.
Sep 10 04:01:13.937 INFO kablam!    |             ^^^^^^^ help: consider using `_mutable` instead
Sep 10 04:01:13.937 INFO kablam! 
Sep 10 04:01:13.937 INFO kablam! warning: variable does not need to be mutable
Sep 10 04:01:13.937 INFO kablam!   --> src/main.rs:12:9
Sep 10 04:01:13.937 INFO kablam!    |
Sep 10 04:01:13.937 INFO kablam! 12 |     let mut mutable = 12; // Mutable `i32`.
Sep 10 04:01:13.937 INFO kablam!    |         ----^^^^^^^
Sep 10 04:01:13.937 INFO kablam!    |         |
Sep 10 04:01:13.937 INFO kablam!    |         help: remove this `mut`
Sep 10 04:01:13.937 INFO kablam!    |
Sep 10 04:01:13.937 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 04:01:13.937 INFO kablam! 
Sep 10 04:01:13.941 INFO kablam! warning: unused variable: `logical`
Sep 10 04:01:13.941 INFO kablam!  --> src/main.rs:3:9
Sep 10 04:01:13.941 INFO kablam!   |
Sep 10 04:01:13.941 INFO kablam! 3 |     let logical: bool = true;
Sep 10 04:01:13.941 INFO kablam!   |         ^^^^^^^ help: consider using `_logical` instead
Sep 10 04:01:13.941 INFO kablam!   |
Sep 10 04:01:13.941 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 10 04:01:13.941 INFO kablam! 
Sep 10 04:01:13.941 INFO kablam! warning: unused variable: `a_float`
Sep 10 04:01:13.941 INFO kablam!  --> src/main.rs:5:9
Sep 10 04:01:13.941 INFO kablam!   |
Sep 10 04:01:13.941 INFO kablam! 5 |     let a_float: f64 = 1.0;  // Regular annotation
Sep 10 04:01:13.941 INFO kablam!   |         ^^^^^^^ help: consider using `_a_float` instead
Sep 10 04:01:13.941 INFO kablam! 
Sep 10 04:01:13.941 INFO kablam! warning: unused variable: `an_integer`
Sep 10 04:01:13.941 INFO kablam!  --> src/main.rs:6:9
Sep 10 04:01:13.941 INFO kablam!   |
Sep 10 04:01:13.941 INFO kablam! 6 |     let an_integer   = 5i32; // Suffix annotation
Sep 10 04:01:13.941 INFO kablam!   |         ^^^^^^^^^^ help: consider using `_an_integer` instead
Sep 10 04:01:13.941 INFO kablam! 
Sep 10 04:01:13.941 INFO kablam! warning: unused variable: `default_float`
Sep 10 04:01:13.941 INFO kablam!  --> src/main.rs:9:9
Sep 10 04:01:13.941 INFO kablam!   |
Sep 10 04:01:13.941 INFO kablam! 9 |     let default_float   = 3.0; // `f64`
Sep 10 04:01:13.941 INFO kablam!   |         ^^^^^^^^^^^^^ help: consider using `_default_float` instead
Sep 10 04:01:13.941 INFO kablam! 
Sep 10 04:01:13.941 INFO kablam! warning: unused variable: `default_integer`
Sep 10 04:01:13.941 INFO kablam!   --> src/main.rs:10:9
Sep 10 04:01:13.941 INFO kablam!    |
Sep 10 04:01:13.941 INFO kablam! 10 |     let default_integer = 7;   // `i32`
Sep 10 04:01:13.942 INFO kablam!    |         ^^^^^^^^^^^^^^^ help: consider using `_default_integer` instead
Sep 10 04:01:13.942 INFO kablam! 
Sep 10 04:01:13.942 INFO kablam! warning: unused variable: `mutable`
Sep 10 04:01:13.942 INFO kablam!   --> src/main.rs:12:13
Sep 10 04:01:13.942 INFO kablam!    |
Sep 10 04:01:13.942 INFO kablam! 12 |     let mut mutable = 12; // Mutable `i32`.
Sep 10 04:01:13.942 INFO kablam!    |             ^^^^^^^ help: consider using `_mutable` instead
Sep 10 04:01:13.942 INFO kablam! 
Sep 10 04:01:13.942 INFO kablam! warning: variable does not need to be mutable
Sep 10 04:01:13.942 INFO kablam!   --> src/main.rs:12:9
Sep 10 04:01:13.942 INFO kablam!    |
Sep 10 04:01:13.942 INFO kablam! 12 |     let mut mutable = 12; // Mutable `i32`.
Sep 10 04:01:13.942 INFO kablam!    |         ----^^^^^^^
Sep 10 04:01:13.942 INFO kablam!    |         |
Sep 10 04:01:13.942 INFO kablam!    |         help: remove this `mut`
Sep 10 04:01:13.942 INFO kablam!    |
Sep 10 04:01:13.942 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 04:01:13.942 INFO kablam! 
Sep 10 04:01:13.948 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
Sep 10 04:01:13.950 INFO kablam! su: No module specific data is present
Sep 10 04:01:14.663 INFO running `"docker" "rm" "-f" "c93ceff8b44179f5d3964420957ed00753541bd925d157bc4f7a5340b47c55b7"`
Sep 10 04:01:14.733 INFO blam! c93ceff8b44179f5d3964420957ed00753541bd925d157bc4f7a5340b47c55b7