Nov 02 16:49:05.536 INFO checking cemozerr/Rust-Cash-Register against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 16:49:05.536 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 16:49:06.206 INFO blam! 8c4b76fca403b985f71241b0d8938b94c36188081bf357e8130118ee65464d51
Nov 02 16:49:06.207 INFO running `"docker" "start" "-a" "8c4b76fca403b985f71241b0d8938b94c36188081bf357e8130118ee65464d51"`
Nov 02 16:49:07.648 INFO kablam! usermod: no changes
Nov 02 16:49:07.759 INFO kablam!     Checking cash_register v0.1.0 (/source)
Nov 02 16:49:08.464 INFO kablam! warning: unused import: `Read`
Nov 02 16:49:08.464 INFO kablam!  --> src/main.rs:5:21
Nov 02 16:49:08.464 INFO kablam!   |
Nov 02 16:49:08.464 INFO kablam! 5 | use std::io::{self, Read};
Nov 02 16:49:08.464 INFO kablam!   |                     ^^^^
Nov 02 16:49:08.464 INFO kablam!   |
Nov 02 16:49:08.464 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 16:49:08.464 INFO kablam! 
Nov 02 16:49:08.604 INFO kablam! warning: unused import: `Read`
Nov 02 16:49:08.604 INFO kablam!  --> src/main.rs:5:21
Nov 02 16:49:08.604 INFO kablam!   |
Nov 02 16:49:08.604 INFO kablam! 5 | use std::io::{self, Read};
Nov 02 16:49:08.604 INFO kablam!   |                     ^^^^
Nov 02 16:49:08.622 INFO kablam!   |
Nov 02 16:49:08.622 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 16:49:08.622 INFO kablam! 
Nov 02 16:49:08.644 INFO kablam! warning: variable does not need to be mutable
Nov 02 16:49:08.644 INFO kablam!   --> src/main.rs:80:13
Nov 02 16:49:08.644 INFO kablam!    |
Nov 02 16:49:08.644 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 02 16:49:08.644 INFO kablam!    |             ----^^^^^^^^^^^
Nov 02 16:49:08.644 INFO kablam!    |             |
Nov 02 16:49:08.644 INFO kablam!    |             help: remove this `mut`
Nov 02 16:49:08.645 INFO kablam!    |
Nov 02 16:49:08.645 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 16:49:08.645 INFO kablam! 
Nov 02 16:49:08.645 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 16:49:08.645 INFO kablam!   --> src/main.rs:28:9
Nov 02 16:49:08.645 INFO kablam!    |
Nov 02 16:49:08.645 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 02 16:49:08.645 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:49:08.652 INFO kablam!    |
Nov 02 16:49:08.652 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 16:49:08.652 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 16:49:08.652 INFO kablam! 
Nov 02 16:49:08.727 INFO kablam! warning: variable does not need to be mutable
Nov 02 16:49:08.727 INFO kablam!   --> src/main.rs:80:13
Nov 02 16:49:08.727 INFO kablam!    |
Nov 02 16:49:08.727 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 02 16:49:08.727 INFO kablam!    |             ----^^^^^^^^^^^
Nov 02 16:49:08.727 INFO kablam!    |             |
Nov 02 16:49:08.727 INFO kablam!    |             help: remove this `mut`
Nov 02 16:49:08.727 INFO kablam!    |
Nov 02 16:49:08.727 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 16:49:08.727 INFO kablam! 
Nov 02 16:49:08.736 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 16:49:08.736 INFO kablam!   --> src/main.rs:28:9
Nov 02 16:49:08.736 INFO kablam!    |
Nov 02 16:49:08.736 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 02 16:49:08.736 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:49:08.736 INFO kablam!    |
Nov 02 16:49:08.736 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 16:49:08.736 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 16:49:08.736 INFO kablam! 
Nov 02 16:49:08.761 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Nov 02 16:49:08.762 INFO kablam! su: No module specific data is present
Nov 02 16:49:09.543 INFO running `"docker" "rm" "-f" "8c4b76fca403b985f71241b0d8938b94c36188081bf357e8130118ee65464d51"`
Nov 02 16:49:09.852 INFO blam! 8c4b76fca403b985f71241b0d8938b94c36188081bf357e8130118ee65464d51