Nov 07 00:05:55.893 INFO checking cemozerr/Rust-Cash-Register against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 00:05:55.895 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-5/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 00:05:56.272 INFO blam! e4b2fea874a30d93ce4109ef14443bd6f3389518a33630ff54752af660c68afe
Nov 07 00:05:56.285 INFO running `"docker" "start" "-a" "e4b2fea874a30d93ce4109ef14443bd6f3389518a33630ff54752af660c68afe"`
Nov 07 00:05:57.187 INFO kablam! usermod: no changes
Nov 07 00:05:57.250 INFO kablam!    Compiling serde v1.0.74
Nov 07 00:06:08.901 INFO kablam!     Checking serde_json v1.0.26
Nov 07 00:06:11.292 INFO kablam!     Checking cash_register v0.1.0 (/source)
Nov 07 00:06:11.740 INFO kablam! warning: unused import: `Read`
Nov 07 00:06:11.740 INFO kablam!  --> src/main.rs:5:21
Nov 07 00:06:11.740 INFO kablam!   |
Nov 07 00:06:11.740 INFO kablam! 5 | use std::io::{self, Read};
Nov 07 00:06:11.740 INFO kablam!   |                     ^^^^
Nov 07 00:06:11.740 INFO kablam!   |
Nov 07 00:06:11.740 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 00:06:11.740 INFO kablam! 
Nov 07 00:06:11.891 INFO kablam! warning: variable does not need to be mutable
Nov 07 00:06:11.891 INFO kablam!   --> src/main.rs:80:13
Nov 07 00:06:11.891 INFO kablam!    |
Nov 07 00:06:11.891 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 07 00:06:11.891 INFO kablam!    |             ----^^^^^^^^^^^
Nov 07 00:06:11.891 INFO kablam!    |             |
Nov 07 00:06:11.891 INFO kablam!    |             help: remove this `mut`
Nov 07 00:06:11.891 INFO kablam!    |
Nov 07 00:06:11.891 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 00:06:11.891 INFO kablam! 
Nov 07 00:06:11.897 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:06:11.897 INFO kablam!   --> src/main.rs:28:9
Nov 07 00:06:11.897 INFO kablam!    |
Nov 07 00:06:11.897 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 07 00:06:11.897 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:06:11.897 INFO kablam!    |
Nov 07 00:06:11.897 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 00:06:11.897 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:06:11.897 INFO kablam! 
Nov 07 00:06:11.919 INFO kablam! warning: unused import: `Read`
Nov 07 00:06:11.919 INFO kablam!  --> src/main.rs:5:21
Nov 07 00:06:11.919 INFO kablam!   |
Nov 07 00:06:11.919 INFO kablam! 5 | use std::io::{self, Read};
Nov 07 00:06:11.919 INFO kablam!   |                     ^^^^
Nov 07 00:06:11.919 INFO kablam!   |
Nov 07 00:06:11.919 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 00:06:11.919 INFO kablam! 
Nov 07 00:06:12.002 INFO kablam! warning: variable does not need to be mutable
Nov 07 00:06:12.002 INFO kablam!   --> src/main.rs:80:13
Nov 07 00:06:12.002 INFO kablam!    |
Nov 07 00:06:12.002 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 07 00:06:12.002 INFO kablam!    |             ----^^^^^^^^^^^
Nov 07 00:06:12.002 INFO kablam!    |             |
Nov 07 00:06:12.002 INFO kablam!    |             help: remove this `mut`
Nov 07 00:06:12.002 INFO kablam!    |
Nov 07 00:06:12.002 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 00:06:12.002 INFO kablam! 
Nov 07 00:06:12.007 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 00:06:12.007 INFO kablam!   --> src/main.rs:28:9
Nov 07 00:06:12.007 INFO kablam!    |
Nov 07 00:06:12.007 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 07 00:06:12.007 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 00:06:12.007 INFO kablam!    |
Nov 07 00:06:12.007 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 00:06:12.007 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 00:06:12.007 INFO kablam! 
Nov 07 00:06:12.023 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.81s
Nov 07 00:06:12.032 INFO kablam! su: No module specific data is present
Nov 07 00:06:12.689 INFO running `"docker" "rm" "-f" "e4b2fea874a30d93ce4109ef14443bd6f3389518a33630ff54752af660c68afe"`
Nov 07 00:06:12.810 INFO blam! e4b2fea874a30d93ce4109ef14443bd6f3389518a33630ff54752af660c68afe