Sep 10 12:38:34.960 INFO checking promises-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:38:34.960 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:38:34.960 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/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 12:38:35.076 INFO blam! 73b1cc933c6f7a6d6704f260b5da4432a63f3dd26990b7e373cce8d866d205d6
Sep 10 12:38:35.078 INFO running `"docker" "start" "-a" "73b1cc933c6f7a6d6704f260b5da4432a63f3dd26990b7e373cce8d866d205d6"`
Sep 10 12:38:36.249 INFO kablam! usermod: no changes
Sep 10 12:38:36.308 INFO kablam!     Checking promises v0.2.0 (file:///source)
Sep 10 12:38:36.578 INFO kablam! warning: unused import: `std::fs`
Sep 10 12:38:36.578 INFO kablam!  --> src/tests.rs:4:5
Sep 10 12:38:36.578 INFO kablam!   |
Sep 10 12:38:36.578 INFO kablam! 4 | use std::fs;
Sep 10 12:38:36.578 INFO kablam!   |     ^^^^^^^
Sep 10 12:38:36.578 INFO kablam!   |
Sep 10 12:38:36.578 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:38:36.578 INFO kablam! 
Sep 10 12:38:36.654 INFO kablam! warning: unused variable: `file`
Sep 10 12:38:36.654 INFO kablam!   --> src/tests.rs:23:12
Sep 10 12:38:36.654 INFO kablam!    |
Sep 10 12:38:36.654 INFO kablam! 23 |         Ok(file) => println!("Created a file!"),
Sep 10 12:38:36.654 INFO kablam!    |            ^^^^ help: consider using `_file` instead
Sep 10 12:38:36.654 INFO kablam!    |
Sep 10 12:38:36.654 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 12:38:36.654 INFO kablam! 
Sep 10 12:38:36.654 INFO kablam! warning: unused variable: `p`
Sep 10 12:38:36.654 INFO kablam!   --> src/tests.rs:31:9
Sep 10 12:38:36.654 INFO kablam!    |
Sep 10 12:38:36.654 INFO kablam! 31 |     let p: Promise<(), ()> = Promise::new(|| {
Sep 10 12:38:36.654 INFO kablam!    |         ^ help: consider using `_p` instead
Sep 10 12:38:36.654 INFO kablam! 
Sep 10 12:38:36.676 INFO kablam! warning: function is never used: `create_file`
Sep 10 12:38:36.676 INFO kablam!   --> src/tests.rs:13:1
Sep 10 12:38:36.676 INFO kablam!    |
Sep 10 12:38:36.676 INFO kablam! 13 | fn create_file() -> Result<File, io::Error> {
Sep 10 12:38:36.676 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:38:36.676 INFO kablam!    |
Sep 10 12:38:36.677 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 12:38:36.677 INFO kablam! 
Sep 10 12:38:36.698 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Sep 10 12:38:36.701 INFO kablam! su: No module specific data is present
Sep 10 12:38:37.440 INFO running `"docker" "rm" "-f" "73b1cc933c6f7a6d6704f260b5da4432a63f3dd26990b7e373cce8d866d205d6"`
Sep 10 12:38:37.493 INFO blam! 73b1cc933c6f7a6d6704f260b5da4432a63f3dd26990b7e373cce8d866d205d6