Sep 02 08:23:00.557 INFO checking loop-rs-0.3.3 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 08:23:00.557 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 08:23:00.557 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 08:23:00.717 INFO blam! 9d951929fda056b21a45c6b88cb1bd6734b3dc10a3866e75f36d7def52f33814
Sep 02 08:23:00.720 INFO running `"docker" "start" "-a" "9d951929fda056b21a45c6b88cb1bd6734b3dc10a3866e75f36d7def52f33814"`
Sep 02 08:23:01.296 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Sep 02 08:23:01.296 INFO kablam! disables Cargo from automatically inferring other binary targets.
Sep 02 08:23:01.296 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 02 08:23:01.296 INFO kablam! files will be included as a binary target:
Sep 02 08:23:01.296 INFO kablam! 
Sep 02 08:23:01.296 INFO kablam! * /source/src/main.rs
Sep 02 08:23:01.296 INFO kablam! 
Sep 02 08:23:01.296 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 02 08:23:01.297 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Sep 02 08:23:01.297 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Sep 02 08:23:01.297 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 02 08:23:01.297 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 02 08:23:01.297 INFO kablam! 
Sep 02 08:23:01.297 INFO kablam! For more information on this warning you can consult
Sep 02 08:23:01.297 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 02 08:23:01.297 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `loop`,
Sep 02 08:23:01.297 INFO kablam! please set bin.path in Cargo.toml
Sep 02 08:23:01.364 INFO kablam!     Checking loop-rs v0.3.3 (file:///source)
Sep 02 08:23:02.625 INFO kablam! warning: unused import: `std::process::Command`
Sep 02 08:23:02.625 INFO kablam!   --> src/main.rs:11:5
Sep 02 08:23:02.625 INFO kablam!    |
Sep 02 08:23:02.625 INFO kablam! 11 | use std::process::Command;
Sep 02 08:23:02.625 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Sep 02 08:23:02.625 INFO kablam!    |
Sep 02 08:23:02.626 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 08:23:02.626 INFO kablam! 
Sep 02 08:23:02.707 INFO kablam! warning: unused import: `std::process::Command`
Sep 02 08:23:02.707 INFO kablam!   --> src/main.rs:11:5
Sep 02 08:23:02.707 INFO kablam!    |
Sep 02 08:23:02.707 INFO kablam! 11 | use std::process::Command;
Sep 02 08:23:02.707 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Sep 02 08:23:02.707 INFO kablam!    |
Sep 02 08:23:02.707 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 08:23:02.707 INFO kablam! 
Sep 02 08:23:02.860 INFO kablam! warning: value assigned to `loop_start` is never read
Sep 02 08:23:02.860 INFO kablam!   --> src/main.rs:32:13
Sep 02 08:23:02.860 INFO kablam!    |
Sep 02 08:23:02.860 INFO kablam! 32 |     let mut loop_start = Instant::now();
Sep 02 08:23:02.860 INFO kablam!    |             ^^^^^^^^^^
Sep 02 08:23:02.860 INFO kablam!    |
Sep 02 08:23:02.860 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 02 08:23:02.860 INFO kablam! 
Sep 02 08:23:02.860 INFO kablam! warning: value assigned to `now` is never read
Sep 02 08:23:02.860 INFO kablam!   --> src/main.rs:33:13
Sep 02 08:23:02.860 INFO kablam!    |
Sep 02 08:23:02.860 INFO kablam! 33 |     let mut now = Instant::now();
Sep 02 08:23:02.860 INFO kablam!    |             ^^^
Sep 02 08:23:02.860 INFO kablam! 
Sep 02 08:23:02.860 INFO kablam! warning: variable `has_stdin` is assigned to, but never used
Sep 02 08:23:02.860 INFO kablam!    --> src/main.rs:136:13
Sep 02 08:23:02.860 INFO kablam!     |
Sep 02 08:23:02.860 INFO kablam! 136 |     let mut has_stdin = false;
Sep 02 08:23:02.860 INFO kablam!     |             ^^^^^^^^^
Sep 02 08:23:02.860 INFO kablam!     |
Sep 02 08:23:02.860 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 08:23:02.860 INFO kablam!     = note: consider using `_has_stdin` instead
Sep 02 08:23:02.860 INFO kablam! 
Sep 02 08:23:02.860 INFO kablam! warning: unused variable: `full_stdin`
Sep 02 08:23:02.860 INFO kablam!    --> src/main.rs:137:13
Sep 02 08:23:02.860 INFO kablam!     |
Sep 02 08:23:02.860 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 02 08:23:02.860 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_full_stdin` instead
Sep 02 08:23:02.860 INFO kablam! 
Sep 02 08:23:02.860 INFO kablam! warning: value assigned to `has_stdin` is never read
Sep 02 08:23:02.860 INFO kablam!    --> src/main.rs:139:9
Sep 02 08:23:02.861 INFO kablam!     |
Sep 02 08:23:02.861 INFO kablam! 139 |         has_stdin = true;
Sep 02 08:23:02.861 INFO kablam!     |         ^^^^^^^^^
Sep 02 08:23:02.861 INFO kablam! 
Sep 02 08:23:02.891 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:23:02.891 INFO kablam!    --> src/main.rs:137:9
Sep 02 08:23:02.891 INFO kablam!     |
Sep 02 08:23:02.891 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 02 08:23:02.891 INFO kablam!     |         ----^^^^^^^^^^
Sep 02 08:23:02.891 INFO kablam!     |         |
Sep 02 08:23:02.891 INFO kablam!     |         help: remove this `mut`
Sep 02 08:23:02.891 INFO kablam!     |
Sep 02 08:23:02.891 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 08:23:02.891 INFO kablam! 
Sep 02 08:23:02.946 INFO kablam! warning: value assigned to `loop_start` is never read
Sep 02 08:23:02.946 INFO kablam!   --> src/main.rs:32:13
Sep 02 08:23:02.946 INFO kablam!    |
Sep 02 08:23:02.946 INFO kablam! 32 |     let mut loop_start = Instant::now();
Sep 02 08:23:02.946 INFO kablam!    |             ^^^^^^^^^^
Sep 02 08:23:02.947 INFO kablam!    |
Sep 02 08:23:02.947 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 02 08:23:02.947 INFO kablam! 
Sep 02 08:23:02.947 INFO kablam! warning: value assigned to `now` is never read
Sep 02 08:23:02.947 INFO kablam!   --> src/main.rs:33:13
Sep 02 08:23:02.947 INFO kablam!    |
Sep 02 08:23:02.947 INFO kablam! 33 |     let mut now = Instant::now();
Sep 02 08:23:02.947 INFO kablam!    |             ^^^
Sep 02 08:23:02.947 INFO kablam! 
Sep 02 08:23:02.947 INFO kablam! warning: variable `has_stdin` is assigned to, but never used
Sep 02 08:23:02.947 INFO kablam!    --> src/main.rs:136:13
Sep 02 08:23:02.947 INFO kablam!     |
Sep 02 08:23:02.947 INFO kablam! 136 |     let mut has_stdin = false;
Sep 02 08:23:02.947 INFO kablam!     |             ^^^^^^^^^
Sep 02 08:23:02.947 INFO kablam!     |
Sep 02 08:23:02.947 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 08:23:02.947 INFO kablam!     = note: consider using `_has_stdin` instead
Sep 02 08:23:02.947 INFO kablam! 
Sep 02 08:23:02.947 INFO kablam! warning: unused variable: `full_stdin`
Sep 02 08:23:02.947 INFO kablam!    --> src/main.rs:137:13
Sep 02 08:23:02.947 INFO kablam!     |
Sep 02 08:23:02.947 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 02 08:23:02.947 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_full_stdin` instead
Sep 02 08:23:02.947 INFO kablam! 
Sep 02 08:23:02.948 INFO kablam! warning: value assigned to `has_stdin` is never read
Sep 02 08:23:02.948 INFO kablam!    --> src/main.rs:139:9
Sep 02 08:23:02.948 INFO kablam!     |
Sep 02 08:23:02.948 INFO kablam! 139 |         has_stdin = true;
Sep 02 08:23:02.948 INFO kablam!     |         ^^^^^^^^^
Sep 02 08:23:02.948 INFO kablam! 
Sep 02 08:23:02.968 INFO kablam! warning: variable does not need to be mutable
Sep 02 08:23:02.968 INFO kablam!    --> src/main.rs:137:9
Sep 02 08:23:02.968 INFO kablam!     |
Sep 02 08:23:02.968 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 02 08:23:02.968 INFO kablam!     |         ----^^^^^^^^^^
Sep 02 08:23:02.968 INFO kablam!     |         |
Sep 02 08:23:02.968 INFO kablam!     |         help: remove this `mut`
Sep 02 08:23:02.968 INFO kablam!     |
Sep 02 08:23:02.968 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 08:23:02.968 INFO kablam! 
Sep 02 08:23:02.985 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
Sep 02 08:23:02.991 INFO kablam! su: No module specific data is present
Sep 02 08:23:03.519 INFO running `"docker" "rm" "-f" "9d951929fda056b21a45c6b88cb1bd6734b3dc10a3866e75f36d7def52f33814"`
Sep 02 08:23:03.613 INFO blam! 9d951929fda056b21a45c6b88cb1bd6734b3dc10a3866e75f36d7def52f33814