Sep 04 11:45:40.564 INFO checking loop-rs-0.3.3 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 11:45:40.564 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 11:45:40.564 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 11:45:40.755 INFO blam! 88c9138df577b276b9aa7a5913dd61a31285453058102284cca5407aaab16b7b
Sep 04 11:45:40.756 INFO running `"docker" "start" "-a" "88c9138df577b276b9aa7a5913dd61a31285453058102284cca5407aaab16b7b"`
Sep 04 11:45:41.544 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Sep 04 11:45:41.544 INFO kablam! disables Cargo from automatically inferring other binary targets.
Sep 04 11:45:41.544 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 04 11:45:41.544 INFO kablam! files will be included as a binary target:
Sep 04 11:45:41.544 INFO kablam! 
Sep 04 11:45:41.544 INFO kablam! * /source/src/main.rs
Sep 04 11:45:41.544 INFO kablam! 
Sep 04 11:45:41.544 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 04 11:45:41.544 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Sep 04 11:45:41.544 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Sep 04 11:45:41.544 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 04 11:45:41.544 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 04 11:45:41.544 INFO kablam! 
Sep 04 11:45:41.544 INFO kablam! For more information on this warning you can consult
Sep 04 11:45:41.544 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 04 11:45:41.544 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `loop`,
Sep 04 11:45:41.545 INFO kablam! please set bin.path in Cargo.toml
Sep 04 11:45:41.615 INFO kablam!     Checking subprocess v0.1.13
Sep 04 11:45:42.992 INFO kablam!     Checking loop-rs v0.3.3 (file:///source)
Sep 04 11:45:44.096 INFO kablam! warning: unused import: `std::process::Command`
Sep 04 11:45:44.096 INFO kablam!   --> src/main.rs:11:5
Sep 04 11:45:44.096 INFO kablam!    |
Sep 04 11:45:44.096 INFO kablam! 11 | use std::process::Command;
Sep 04 11:45:44.096 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:45:44.096 INFO kablam!    |
Sep 04 11:45:44.097 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 11:45:44.097 INFO kablam! 
Sep 04 11:45:44.179 INFO kablam! warning: unused import: `std::process::Command`
Sep 04 11:45:44.179 INFO kablam!   --> src/main.rs:11:5
Sep 04 11:45:44.179 INFO kablam!    |
Sep 04 11:45:44.180 INFO kablam! 11 | use std::process::Command;
Sep 04 11:45:44.180 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Sep 04 11:45:44.180 INFO kablam!    |
Sep 04 11:45:44.180 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 04 11:45:44.180 INFO kablam! 
Sep 04 11:45:44.322 INFO kablam! warning: value assigned to `loop_start` is never read
Sep 04 11:45:44.322 INFO kablam!   --> src/main.rs:32:13
Sep 04 11:45:44.323 INFO kablam!    |
Sep 04 11:45:44.323 INFO kablam! 32 |     let mut loop_start = Instant::now();
Sep 04 11:45:44.324 INFO kablam!    |             ^^^^^^^^^^
Sep 04 11:45:44.324 INFO kablam!    |
Sep 04 11:45:44.324 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 04 11:45:44.324 INFO kablam! 
Sep 04 11:45:44.324 INFO kablam! warning: value assigned to `now` is never read
Sep 04 11:45:44.324 INFO kablam!   --> src/main.rs:33:13
Sep 04 11:45:44.324 INFO kablam!    |
Sep 04 11:45:44.324 INFO kablam! 33 |     let mut now = Instant::now();
Sep 04 11:45:44.324 INFO kablam!    |             ^^^
Sep 04 11:45:44.324 INFO kablam! 
Sep 04 11:45:44.324 INFO kablam! warning: variable `has_stdin` is assigned to, but never used
Sep 04 11:45:44.324 INFO kablam!    --> src/main.rs:136:13
Sep 04 11:45:44.324 INFO kablam!     |
Sep 04 11:45:44.324 INFO kablam! 136 |     let mut has_stdin = false;
Sep 04 11:45:44.324 INFO kablam!     |             ^^^^^^^^^
Sep 04 11:45:44.324 INFO kablam!     |
Sep 04 11:45:44.324 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 11:45:44.324 INFO kablam!     = note: consider using `_has_stdin` instead
Sep 04 11:45:44.324 INFO kablam! 
Sep 04 11:45:44.325 INFO kablam! warning: unused variable: `full_stdin`
Sep 04 11:45:44.325 INFO kablam!    --> src/main.rs:137:13
Sep 04 11:45:44.325 INFO kablam!     |
Sep 04 11:45:44.325 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 04 11:45:44.325 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_full_stdin` instead
Sep 04 11:45:44.325 INFO kablam! 
Sep 04 11:45:44.325 INFO kablam! warning: value assigned to `has_stdin` is never read
Sep 04 11:45:44.325 INFO kablam!    --> src/main.rs:139:9
Sep 04 11:45:44.325 INFO kablam!     |
Sep 04 11:45:44.325 INFO kablam! 139 |         has_stdin = true;
Sep 04 11:45:44.325 INFO kablam!     |         ^^^^^^^^^
Sep 04 11:45:44.325 INFO kablam! 
Sep 04 11:45:44.347 INFO kablam! warning: variable does not need to be mutable
Sep 04 11:45:44.347 INFO kablam!    --> src/main.rs:137:9
Sep 04 11:45:44.347 INFO kablam!     |
Sep 04 11:45:44.347 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 04 11:45:44.347 INFO kablam!     |         ----^^^^^^^^^^
Sep 04 11:45:44.347 INFO kablam!     |         |
Sep 04 11:45:44.347 INFO kablam!     |         help: remove this `mut`
Sep 04 11:45:44.347 INFO kablam!     |
Sep 04 11:45:44.347 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 11:45:44.347 INFO kablam! 
Sep 04 11:45:44.397 INFO kablam! warning: value assigned to `loop_start` is never read
Sep 04 11:45:44.397 INFO kablam!   --> src/main.rs:32:13
Sep 04 11:45:44.397 INFO kablam!    |
Sep 04 11:45:44.397 INFO kablam! 32 |     let mut loop_start = Instant::now();
Sep 04 11:45:44.397 INFO kablam!    |             ^^^^^^^^^^
Sep 04 11:45:44.397 INFO kablam!    |
Sep 04 11:45:44.397 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Sep 04 11:45:44.397 INFO kablam! 
Sep 04 11:45:44.397 INFO kablam! warning: value assigned to `now` is never read
Sep 04 11:45:44.397 INFO kablam!   --> src/main.rs:33:13
Sep 04 11:45:44.397 INFO kablam!    |
Sep 04 11:45:44.398 INFO kablam! 33 |     let mut now = Instant::now();
Sep 04 11:45:44.398 INFO kablam!    |             ^^^
Sep 04 11:45:44.398 INFO kablam! 
Sep 04 11:45:44.398 INFO kablam! warning: variable `has_stdin` is assigned to, but never used
Sep 04 11:45:44.398 INFO kablam!    --> src/main.rs:136:13
Sep 04 11:45:44.398 INFO kablam!     |
Sep 04 11:45:44.398 INFO kablam! 136 |     let mut has_stdin = false;
Sep 04 11:45:44.398 INFO kablam!     |             ^^^^^^^^^
Sep 04 11:45:44.398 INFO kablam!     |
Sep 04 11:45:44.398 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 11:45:44.398 INFO kablam!     = note: consider using `_has_stdin` instead
Sep 04 11:45:44.398 INFO kablam! 
Sep 04 11:45:44.398 INFO kablam! warning: unused variable: `full_stdin`
Sep 04 11:45:44.398 INFO kablam!    --> src/main.rs:137:13
Sep 04 11:45:44.398 INFO kablam!     |
Sep 04 11:45:44.398 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 04 11:45:44.398 INFO kablam!     |             ^^^^^^^^^^ help: consider using `_full_stdin` instead
Sep 04 11:45:44.398 INFO kablam! 
Sep 04 11:45:44.398 INFO kablam! warning: value assigned to `has_stdin` is never read
Sep 04 11:45:44.398 INFO kablam!    --> src/main.rs:139:9
Sep 04 11:45:44.398 INFO kablam!     |
Sep 04 11:45:44.398 INFO kablam! 139 |         has_stdin = true;
Sep 04 11:45:44.398 INFO kablam!     |         ^^^^^^^^^
Sep 04 11:45:44.398 INFO kablam! 
Sep 04 11:45:44.420 INFO kablam! warning: variable does not need to be mutable
Sep 04 11:45:44.420 INFO kablam!    --> src/main.rs:137:9
Sep 04 11:45:44.420 INFO kablam!     |
Sep 04 11:45:44.420 INFO kablam! 137 |     let mut full_stdin = "".to_string();
Sep 04 11:45:44.420 INFO kablam!     |         ----^^^^^^^^^^
Sep 04 11:45:44.420 INFO kablam!     |         |
Sep 04 11:45:44.420 INFO kablam!     |         help: remove this `mut`
Sep 04 11:45:44.421 INFO kablam!     |
Sep 04 11:45:44.421 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 11:45:44.421 INFO kablam! 
Sep 04 11:45:44.440 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Sep 04 11:45:44.447 INFO kablam! su: No module specific data is present
Sep 04 11:45:44.963 INFO running `"docker" "rm" "-f" "88c9138df577b276b9aa7a5913dd61a31285453058102284cca5407aaab16b7b"`
Sep 04 11:45:45.063 INFO blam! 88c9138df577b276b9aa7a5913dd61a31285453058102284cca5407aaab16b7b