Aug 30 11:59:32.764 INFO checking loop-rs-0.3.3 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 11:59:32.764 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 11:59:32.764 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 11:59:32.938 INFO blam! 1236c0b3100d0ed96966da1c887a843162fee901721223526ebce9bab1d8376c
Aug 30 11:59:32.940 INFO running `"docker" "start" "-a" "1236c0b3100d0ed96966da1c887a843162fee901721223526ebce9bab1d8376c"`
Aug 30 11:59:33.580 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Aug 30 11:59:33.581 INFO kablam! disables Cargo from automatically inferring other binary targets.
Aug 30 11:59:33.581 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Aug 30 11:59:33.581 INFO kablam! files will be included as a binary target:
Aug 30 11:59:33.581 INFO kablam! 
Aug 30 11:59:33.581 INFO kablam! * /source/src/main.rs
Aug 30 11:59:33.581 INFO kablam! 
Aug 30 11:59:33.581 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Aug 30 11:59:33.581 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Aug 30 11:59:33.581 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Aug 30 11:59:33.581 INFO kablam! section. You may also move the files to a location where Cargo would not
Aug 30 11:59:33.581 INFO kablam! automatically infer them to be a target, such as in subfolders.
Aug 30 11:59:33.581 INFO kablam! 
Aug 30 11:59:33.581 INFO kablam! For more information on this warning you can consult
Aug 30 11:59:33.581 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Aug 30 11:59:33.581 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `loop`,
Aug 30 11:59:33.581 INFO kablam! please set bin.path in Cargo.toml
Aug 30 11:59:33.629 INFO kablam!     Checking loop-rs v0.3.3 (file:///source)
Aug 30 11:59:34.674 INFO kablam! warning: unused import: `std::process::Command`
Aug 30 11:59:34.674 INFO kablam!   --> src/main.rs:11:5
Aug 30 11:59:34.674 INFO kablam!    |
Aug 30 11:59:34.674 INFO kablam! 11 | use std::process::Command;
Aug 30 11:59:34.675 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Aug 30 11:59:34.675 INFO kablam!    |
Aug 30 11:59:34.675 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 11:59:34.675 INFO kablam! 
Aug 30 11:59:34.780 INFO kablam! warning: unused import: `std::process::Command`
Aug 30 11:59:34.781 INFO kablam!   --> src/main.rs:11:5
Aug 30 11:59:34.781 INFO kablam!    |
Aug 30 11:59:34.781 INFO kablam! 11 | use std::process::Command;
Aug 30 11:59:34.781 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Aug 30 11:59:34.781 INFO kablam!    |
Aug 30 11:59:34.781 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 11:59:34.781 INFO kablam! 
Aug 30 11:59:34.944 INFO kablam! warning: value assigned to `loop_start` is never read
Aug 30 11:59:34.944 INFO kablam!   --> src/main.rs:32:13
Aug 30 11:59:34.944 INFO kablam!    |
Aug 30 11:59:34.944 INFO kablam! 32 |     let mut loop_start = Instant::now();
Aug 30 11:59:34.944 INFO kablam!    |             ^^^^^^^^^^
Aug 30 11:59:34.944 INFO kablam!    |
Aug 30 11:59:34.944 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Aug 30 11:59:34.944 INFO kablam! 
Aug 30 11:59:34.945 INFO kablam! warning: value assigned to `now` is never read
Aug 30 11:59:34.945 INFO kablam!   --> src/main.rs:33:13
Aug 30 11:59:34.945 INFO kablam!    |
Aug 30 11:59:34.945 INFO kablam! 33 |     let mut now = Instant::now();
Aug 30 11:59:34.945 INFO kablam!    |             ^^^
Aug 30 11:59:34.945 INFO kablam! 
Aug 30 11:59:34.945 INFO kablam! warning: variable `has_stdin` is assigned to, but never used
Aug 30 11:59:34.945 INFO kablam!    --> src/main.rs:136:13
Aug 30 11:59:34.945 INFO kablam!     |
Aug 30 11:59:34.945 INFO kablam! 136 |     let mut has_stdin = false;
Aug 30 11:59:34.945 INFO kablam!     |             ^^^^^^^^^
Aug 30 11:59:34.945 INFO kablam!     |
Aug 30 11:59:34.945 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 30 11:59:34.945 INFO kablam!     = note: consider using `_has_stdin` instead
Aug 30 11:59:34.945 INFO kablam! 
Aug 30 11:59:34.945 INFO kablam! warning: unused variable: `full_stdin`
Aug 30 11:59:34.945 INFO kablam!    --> src/main.rs:137:13
Aug 30 11:59:34.945 INFO kablam!     |
Aug 30 11:59:34.945 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Aug 30 11:59:34.945 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_full_stdin` instead
Aug 30 11:59:34.945 INFO kablam! 
Aug 30 11:59:34.945 INFO kablam! warning: value assigned to `has_stdin` is never read
Aug 30 11:59:34.946 INFO kablam!    --> src/main.rs:139:9
Aug 30 11:59:34.946 INFO kablam!     |
Aug 30 11:59:34.946 INFO kablam! 139 |         has_stdin = true;
Aug 30 11:59:34.946 INFO kablam!     |         ^^^^^^^^^
Aug 30 11:59:34.946 INFO kablam! 
Aug 30 11:59:34.979 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:59:34.979 INFO kablam!    --> src/main.rs:137:9
Aug 30 11:59:34.979 INFO kablam!     |
Aug 30 11:59:34.979 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Aug 30 11:59:34.979 INFO kablam!     |         ----^^^^^^^^^^
Aug 30 11:59:34.979 INFO kablam!     |         |
Aug 30 11:59:34.979 INFO kablam!     |         help: remove this `mut`
Aug 30 11:59:34.980 INFO kablam!     |
Aug 30 11:59:34.980 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:59:34.980 INFO kablam! 
Aug 30 11:59:34.996 INFO kablam! warning: value assigned to `loop_start` is never read
Aug 30 11:59:34.996 INFO kablam!   --> src/main.rs:32:13
Aug 30 11:59:34.996 INFO kablam!    |
Aug 30 11:59:34.996 INFO kablam! 32 |     let mut loop_start = Instant::now();
Aug 30 11:59:34.996 INFO kablam!    |             ^^^^^^^^^^
Aug 30 11:59:34.996 INFO kablam!    |
Aug 30 11:59:34.996 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Aug 30 11:59:34.996 INFO kablam! 
Aug 30 11:59:34.996 INFO kablam! warning: value assigned to `now` is never read
Aug 30 11:59:34.996 INFO kablam!   --> src/main.rs:33:13
Aug 30 11:59:34.996 INFO kablam!    |
Aug 30 11:59:34.996 INFO kablam! 33 |     let mut now = Instant::now();
Aug 30 11:59:34.996 INFO kablam!    |             ^^^
Aug 30 11:59:34.996 INFO kablam! 
Aug 30 11:59:34.996 INFO kablam! warning: variable `has_stdin` is assigned to, but never used
Aug 30 11:59:34.996 INFO kablam!    --> src/main.rs:136:13
Aug 30 11:59:34.996 INFO kablam!     |
Aug 30 11:59:34.996 INFO kablam! 136 |     let mut has_stdin = false;
Aug 30 11:59:34.996 INFO kablam!     |             ^^^^^^^^^
Aug 30 11:59:34.996 INFO kablam!     |
Aug 30 11:59:34.996 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 30 11:59:34.996 INFO kablam!     = note: consider using `_has_stdin` instead
Aug 30 11:59:34.996 INFO kablam! 
Aug 30 11:59:34.996 INFO kablam! warning: unused variable: `full_stdin`
Aug 30 11:59:34.996 INFO kablam!    --> src/main.rs:137:13
Aug 30 11:59:34.996 INFO kablam!     |
Aug 30 11:59:34.996 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Aug 30 11:59:34.996 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_full_stdin` instead
Aug 30 11:59:34.996 INFO kablam! 
Aug 30 11:59:34.996 INFO kablam! warning: value assigned to `has_stdin` is never read
Aug 30 11:59:34.996 INFO kablam!    --> src/main.rs:139:9
Aug 30 11:59:34.996 INFO kablam!     |
Aug 30 11:59:34.996 INFO kablam! 139 |         has_stdin = true;
Aug 30 11:59:34.996 INFO kablam!     |         ^^^^^^^^^
Aug 30 11:59:34.997 INFO kablam! 
Aug 30 11:59:35.016 INFO kablam! warning: variable does not need to be mutable
Aug 30 11:59:35.016 INFO kablam!    --> src/main.rs:137:9
Aug 30 11:59:35.016 INFO kablam!     |
Aug 30 11:59:35.016 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Aug 30 11:59:35.016 INFO kablam!     |         ----^^^^^^^^^^
Aug 30 11:59:35.016 INFO kablam!     |         |
Aug 30 11:59:35.016 INFO kablam!     |         help: remove this `mut`
Aug 30 11:59:35.016 INFO kablam!     |
Aug 30 11:59:35.016 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 11:59:35.017 INFO kablam! 
Aug 30 11:59:35.037 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Aug 30 11:59:35.043 INFO kablam! su: No module specific data is present
Aug 30 11:59:35.741 INFO running `"docker" "rm" "-f" "1236c0b3100d0ed96966da1c887a843162fee901721223526ebce9bab1d8376c"`
Aug 30 11:59:35.824 INFO blam! 1236c0b3100d0ed96966da1c887a843162fee901721223526ebce9bab1d8376c