Nov 04 09:02:37.512 INFO checking cemozerr/Rust-Cash-Register against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 09:02:37.512 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 09:02:37.735 INFO blam! 80efee689e542b0b7475d56cc16268340d074bf0641f800e5afc951c464c7956
Nov 04 09:02:37.737 INFO running `"docker" "start" "-a" "80efee689e542b0b7475d56cc16268340d074bf0641f800e5afc951c464c7956"`
Nov 04 09:02:38.322 INFO kablam! usermod: no changes
Nov 04 09:02:38.375 INFO kablam!    Compiling serde v1.0.74
Nov 04 09:02:38.376 INFO kablam!    Compiling ryu v0.2.5
Nov 04 09:02:49.076 INFO kablam!     Checking serde_json v1.0.26
Nov 04 09:02:51.323 INFO kablam!     Checking cash_register v0.1.0 (/source)
Nov 04 09:02:51.798 INFO kablam! warning: unused import: `Read`
Nov 04 09:02:51.798 INFO kablam!  --> src/main.rs:5:21
Nov 04 09:02:51.798 INFO kablam!   |
Nov 04 09:02:51.798 INFO kablam! 5 | use std::io::{self, Read};
Nov 04 09:02:51.798 INFO kablam!   |                     ^^^^
Nov 04 09:02:51.798 INFO kablam!   |
Nov 04 09:02:51.798 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 09:02:51.798 INFO kablam! 
Nov 04 09:02:51.839 INFO kablam! warning: unused import: `Read`
Nov 04 09:02:51.839 INFO kablam!  --> src/main.rs:5:21
Nov 04 09:02:51.839 INFO kablam!   |
Nov 04 09:02:51.839 INFO kablam! 5 | use std::io::{self, Read};
Nov 04 09:02:51.839 INFO kablam!   |                     ^^^^
Nov 04 09:02:51.839 INFO kablam!   |
Nov 04 09:02:51.839 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 09:02:51.839 INFO kablam! 
Nov 04 09:02:51.871 INFO kablam! warning: variable does not need to be mutable
Nov 04 09:02:51.871 INFO kablam!   --> src/main.rs:80:13
Nov 04 09:02:51.871 INFO kablam!    |
Nov 04 09:02:51.871 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 04 09:02:51.871 INFO kablam!    |             ----^^^^^^^^^^^
Nov 04 09:02:51.871 INFO kablam!    |             |
Nov 04 09:02:51.871 INFO kablam!    |             help: remove this `mut`
Nov 04 09:02:51.871 INFO kablam!    |
Nov 04 09:02:51.871 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 09:02:51.871 INFO kablam! 
Nov 04 09:02:51.874 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 09:02:51.874 INFO kablam!   --> src/main.rs:28:9
Nov 04 09:02:51.874 INFO kablam!    |
Nov 04 09:02:51.874 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 04 09:02:51.874 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 09:02:51.874 INFO kablam!    |
Nov 04 09:02:51.874 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 09:02:51.874 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 09:02:51.874 INFO kablam! 
Nov 04 09:02:51.909 INFO kablam! warning: variable does not need to be mutable
Nov 04 09:02:51.909 INFO kablam!   --> src/main.rs:80:13
Nov 04 09:02:51.909 INFO kablam!    |
Nov 04 09:02:51.909 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 04 09:02:51.909 INFO kablam!    |             ----^^^^^^^^^^^
Nov 04 09:02:51.909 INFO kablam!    |             |
Nov 04 09:02:51.909 INFO kablam!    |             help: remove this `mut`
Nov 04 09:02:51.909 INFO kablam!    |
Nov 04 09:02:51.909 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 09:02:51.909 INFO kablam! 
Nov 04 09:02:51.913 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 09:02:51.913 INFO kablam!   --> src/main.rs:28:9
Nov 04 09:02:51.913 INFO kablam!    |
Nov 04 09:02:51.913 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 04 09:02:51.913 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 09:02:51.913 INFO kablam!    |
Nov 04 09:02:51.913 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 09:02:51.913 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 09:02:51.914 INFO kablam! 
Nov 04 09:02:51.951 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
Nov 04 09:02:51.955 INFO kablam! su: No module specific data is present
Nov 04 09:02:52.640 INFO running `"docker" "rm" "-f" "80efee689e542b0b7475d56cc16268340d074bf0641f800e5afc951c464c7956"`
Nov 04 09:02:52.780 INFO blam! 80efee689e542b0b7475d56cc16268340d074bf0641f800e5afc951c464c7956