Oct 21 19:01:54.270 INFO checking cemozerr/Rust-Cash-Register against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 19:01:54.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 21 19:01:54.677 INFO blam! 126854497b3c73c04d15f3b55ec16554b4ce2d6511f177ddddd971b8934b47d8
Oct 21 19:01:54.688 INFO running `"docker" "start" "-a" "126854497b3c73c04d15f3b55ec16554b4ce2d6511f177ddddd971b8934b47d8"`
Oct 21 19:01:56.208 INFO kablam! usermod: no changes
Oct 21 19:01:56.316 INFO kablam!    Compiling serde v1.0.74
Oct 21 19:02:08.799 INFO kablam!     Checking serde_json v1.0.26
Oct 21 19:02:11.548 INFO kablam!     Checking cash_register v0.1.0 (/source)
Oct 21 19:02:12.215 INFO kablam! warning: unused import: `Read`
Oct 21 19:02:12.215 INFO kablam!  --> src/main.rs:5:21
Oct 21 19:02:12.215 INFO kablam!   |
Oct 21 19:02:12.215 INFO kablam! 5 | use std::io::{self, Read};
Oct 21 19:02:12.215 INFO kablam!   |                     ^^^^
Oct 21 19:02:12.215 INFO kablam!   |
Oct 21 19:02:12.215 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 19:02:12.215 INFO kablam! 
Oct 21 19:02:12.360 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:02:12.360 INFO kablam!   --> src/main.rs:80:13
Oct 21 19:02:12.360 INFO kablam!    |
Oct 21 19:02:12.360 INFO kablam! 80 |         let mut new_receipt = Receipt{
Oct 21 19:02:12.360 INFO kablam!    |             ----^^^^^^^^^^^
Oct 21 19:02:12.360 INFO kablam!    |             |
Oct 21 19:02:12.360 INFO kablam!    |             help: remove this `mut`
Oct 21 19:02:12.360 INFO kablam!    |
Oct 21 19:02:12.360 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 19:02:12.360 INFO kablam! 
Oct 21 19:02:12.364 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 19:02:12.364 INFO kablam!   --> src/main.rs:28:9
Oct 21 19:02:12.364 INFO kablam!    |
Oct 21 19:02:12.364 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Oct 21 19:02:12.364 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 19:02:12.368 INFO kablam!    |
Oct 21 19:02:12.368 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 19:02:12.368 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 19:02:12.368 INFO kablam! 
Oct 21 19:02:12.582 INFO kablam! warning: unused import: `Read`
Oct 21 19:02:12.582 INFO kablam!  --> src/main.rs:5:21
Oct 21 19:02:12.582 INFO kablam!   |
Oct 21 19:02:12.582 INFO kablam! 5 | use std::io::{self, Read};
Oct 21 19:02:12.582 INFO kablam!   |                     ^^^^
Oct 21 19:02:12.582 INFO kablam!   |
Oct 21 19:02:12.582 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 19:02:12.582 INFO kablam! 
Oct 21 19:02:12.644 INFO kablam! warning: variable does not need to be mutable
Oct 21 19:02:12.644 INFO kablam!   --> src/main.rs:80:13
Oct 21 19:02:12.644 INFO kablam!    |
Oct 21 19:02:12.644 INFO kablam! 80 |         let mut new_receipt = Receipt{
Oct 21 19:02:12.644 INFO kablam!    |             ----^^^^^^^^^^^
Oct 21 19:02:12.644 INFO kablam!    |             |
Oct 21 19:02:12.644 INFO kablam!    |             help: remove this `mut`
Oct 21 19:02:12.644 INFO kablam!    |
Oct 21 19:02:12.644 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 19:02:12.644 INFO kablam! 
Oct 21 19:02:12.644 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 19:02:12.644 INFO kablam!   --> src/main.rs:28:9
Oct 21 19:02:12.644 INFO kablam!    |
Oct 21 19:02:12.644 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Oct 21 19:02:12.644 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 19:02:12.644 INFO kablam!    |
Oct 21 19:02:12.644 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 19:02:12.644 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 19:02:12.644 INFO kablam! 
Oct 21 19:02:12.657 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
Oct 21 19:02:12.667 INFO kablam! su: No module specific data is present
Oct 21 19:02:13.444 INFO running `"docker" "rm" "-f" "126854497b3c73c04d15f3b55ec16554b4ce2d6511f177ddddd971b8934b47d8"`
Oct 21 19:02:13.746 INFO blam! 126854497b3c73c04d15f3b55ec16554b4ce2d6511f177ddddd971b8934b47d8