Sep 06 02:14:19.637 INFO checking promise-rs-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:14:19.637 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:14:19.637 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:14:19.773 INFO blam! 69ebfe6fb1d3ffc35f8fddb81c7357640755ec772935c99c688f94ecdd91f24b
Sep 06 02:14:19.775 INFO running `"docker" "start" "-a" "69ebfe6fb1d3ffc35f8fddb81c7357640755ec772935c99c688f94ecdd91f24b"`
Sep 06 02:14:20.535 INFO kablam! usermod: no changes
Sep 06 02:14:20.553 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Sep 06 02:14:20.553 INFO kablam! disables Cargo from automatically inferring other binary targets.
Sep 06 02:14:20.553 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 06 02:14:20.553 INFO kablam! files will be included as a binary target:
Sep 06 02:14:20.553 INFO kablam! 
Sep 06 02:14:20.553 INFO kablam! * /source/src/main.rs
Sep 06 02:14:20.553 INFO kablam! 
Sep 06 02:14:20.553 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 06 02:14:20.553 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Sep 06 02:14:20.553 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Sep 06 02:14:20.553 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 06 02:14:20.553 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 06 02:14:20.553 INFO kablam! 
Sep 06 02:14:20.553 INFO kablam! For more information on this warning you can consult
Sep 06 02:14:20.553 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 06 02:14:20.553 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `promise`,
Sep 06 02:14:20.553 INFO kablam! please set bin.path in Cargo.toml
Sep 06 02:14:20.555 INFO kablam!     Checking promise-rs v0.3.0 (file:///source)
Sep 06 02:14:20.766 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:14:20.766 INFO kablam!   --> src/lib.rs:51:21
Sep 06 02:14:20.766 INFO kablam!    |
Sep 06 02:14:20.766 INFO kablam! 51 |                 let mut state = state_guard.as_mut().unwrap();
Sep 06 02:14:20.766 INFO kablam!    |                     ----^^^^^
Sep 06 02:14:20.766 INFO kablam!    |                     |
Sep 06 02:14:20.766 INFO kablam!    |                     help: remove this `mut`
Sep 06 02:14:20.766 INFO kablam!    |
Sep 06 02:14:20.766 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 02:14:20.766 INFO kablam! 
Sep 06 02:14:20.766 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:14:20.766 INFO kablam!   --> src/lib.rs:65:21
Sep 06 02:14:20.766 INFO kablam!    |
Sep 06 02:14:20.766 INFO kablam! 65 |                 let mut state = state_guard.as_mut().unwrap();
Sep 06 02:14:20.766 INFO kablam!    |                     ----^^^^^
Sep 06 02:14:20.766 INFO kablam!    |                     |
Sep 06 02:14:20.766 INFO kablam!    |                     help: remove this `mut`
Sep 06 02:14:20.767 INFO kablam! 
Sep 06 02:14:20.779 INFO kablam! warning: unused attribute
Sep 06 02:14:20.779 INFO kablam!    --> src/lib.rs:192:9
Sep 06 02:14:20.779 INFO kablam!     |
Sep 06 02:14:20.779 INFO kablam! 192 |         #[derive(Debug)]
Sep 06 02:14:20.779 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Sep 06 02:14:20.779 INFO kablam!     |
Sep 06 02:14:20.779 INFO kablam!     = note: #[warn(unused_attributes)] on by default
Sep 06 02:14:20.779 INFO kablam! 
Sep 06 02:14:20.785 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:14:20.785 INFO kablam!   --> src/lib.rs:51:21
Sep 06 02:14:20.785 INFO kablam!    |
Sep 06 02:14:20.785 INFO kablam! 51 |                 let mut state = state_guard.as_mut().unwrap();
Sep 06 02:14:20.785 INFO kablam!    |                     ----^^^^^
Sep 06 02:14:20.785 INFO kablam!    |                     |
Sep 06 02:14:20.785 INFO kablam!    |                     help: remove this `mut`
Sep 06 02:14:20.785 INFO kablam!    |
Sep 06 02:14:20.785 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 02:14:20.785 INFO kablam! 
Sep 06 02:14:20.785 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:14:20.785 INFO kablam!   --> src/lib.rs:65:21
Sep 06 02:14:20.785 INFO kablam!    |
Sep 06 02:14:20.785 INFO kablam! 65 |                 let mut state = state_guard.as_mut().unwrap();
Sep 06 02:14:20.785 INFO kablam!    |                     ----^^^^^
Sep 06 02:14:20.785 INFO kablam!    |                     |
Sep 06 02:14:20.785 INFO kablam!    |                     help: remove this `mut`
Sep 06 02:14:20.785 INFO kablam! 
Sep 06 02:14:20.794 INFO kablam! warning: unused attribute
Sep 06 02:14:20.794 INFO kablam!    --> src/lib.rs:192:9
Sep 06 02:14:20.794 INFO kablam!     |
Sep 06 02:14:20.794 INFO kablam! 192 |         #[derive(Debug)]
Sep 06 02:14:20.794 INFO kablam!     |         ^^^^^^^^^^^^^^^^
Sep 06 02:14:20.794 INFO kablam!     |
Sep 06 02:14:20.794 INFO kablam!     = note: #[warn(unused_attributes)] on by default
Sep 06 02:14:20.794 INFO kablam! 
Sep 06 02:14:21.065 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Sep 06 02:14:21.067 INFO kablam! su: No module specific data is present
Sep 06 02:14:21.794 INFO running `"docker" "rm" "-f" "69ebfe6fb1d3ffc35f8fddb81c7357640755ec772935c99c688f94ecdd91f24b"`
Sep 06 02:14:21.888 INFO blam! 69ebfe6fb1d3ffc35f8fddb81c7357640755ec772935c99c688f94ecdd91f24b