Oct 27 06:58:38.053 INFO checking cemozerr/Rust-Cash-Register against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 06:58:38.054 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 06:58:38.607 INFO blam! e97713b03c7203a31218eb5f70e426d3010ab4547989eac5535e50410c09aca7
Oct 27 06:58:38.609 INFO running `"docker" "start" "-a" "e97713b03c7203a31218eb5f70e426d3010ab4547989eac5535e50410c09aca7"`
Oct 27 06:58:39.882 INFO kablam! usermod: no changes
Oct 27 06:58:39.977 INFO kablam!     Checking cash_register v0.1.0 (/source)
Oct 27 06:58:41.057 INFO kablam! warning: unused import: `Read`
Oct 27 06:58:41.057 INFO kablam!  --> src/main.rs:5:21
Oct 27 06:58:41.057 INFO kablam!   |
Oct 27 06:58:41.057 INFO kablam! 5 | use std::io::{self, Read};
Oct 27 06:58:41.057 INFO kablam!   |                     ^^^^
Oct 27 06:58:41.057 INFO kablam!   |
Oct 27 06:58:41.057 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 06:58:41.057 INFO kablam! 
Oct 27 06:58:41.107 INFO kablam! warning: unused import: `Read`
Oct 27 06:58:41.107 INFO kablam!  --> src/main.rs:5:21
Oct 27 06:58:41.107 INFO kablam!   |
Oct 27 06:58:41.107 INFO kablam! 5 | use std::io::{self, Read};
Oct 27 06:58:41.107 INFO kablam!   |                     ^^^^
Oct 27 06:58:41.107 INFO kablam!   |
Oct 27 06:58:41.107 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 06:58:41.107 INFO kablam! 
Oct 27 06:58:41.151 INFO kablam! warning: variable does not need to be mutable
Oct 27 06:58:41.151 INFO kablam!   --> src/main.rs:80:13
Oct 27 06:58:41.151 INFO kablam!    |
Oct 27 06:58:41.151 INFO kablam! 80 |         let mut new_receipt = Receipt{
Oct 27 06:58:41.151 INFO kablam!    |             ----^^^^^^^^^^^
Oct 27 06:58:41.151 INFO kablam!    |             |
Oct 27 06:58:41.151 INFO kablam!    |             help: remove this `mut`
Oct 27 06:58:41.151 INFO kablam!    |
Oct 27 06:58:41.151 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 06:58:41.151 INFO kablam! 
Oct 27 06:58:41.159 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 06:58:41.159 INFO kablam!   --> src/main.rs:28:9
Oct 27 06:58:41.159 INFO kablam!    |
Oct 27 06:58:41.159 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Oct 27 06:58:41.159 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:58:41.159 INFO kablam!    |
Oct 27 06:58:41.159 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 06:58:41.159 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 06:58:41.159 INFO kablam! 
Oct 27 06:58:41.179 INFO kablam! warning: variable does not need to be mutable
Oct 27 06:58:41.179 INFO kablam!   --> src/main.rs:80:13
Oct 27 06:58:41.179 INFO kablam!    |
Oct 27 06:58:41.179 INFO kablam! 80 |         let mut new_receipt = Receipt{
Oct 27 06:58:41.179 INFO kablam!    |             ----^^^^^^^^^^^
Oct 27 06:58:41.179 INFO kablam!    |             |
Oct 27 06:58:41.179 INFO kablam!    |             help: remove this `mut`
Oct 27 06:58:41.179 INFO kablam!    |
Oct 27 06:58:41.179 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 06:58:41.179 INFO kablam! 
Oct 27 06:58:41.183 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 06:58:41.183 INFO kablam!   --> src/main.rs:28:9
Oct 27 06:58:41.183 INFO kablam!    |
Oct 27 06:58:41.183 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Oct 27 06:58:41.183 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:58:41.183 INFO kablam!    |
Oct 27 06:58:41.183 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 06:58:41.183 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 06:58:41.183 INFO kablam! 
Oct 27 06:58:41.225 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Oct 27 06:58:41.231 INFO kablam! su: No module specific data is present
Oct 27 06:58:42.297 INFO running `"docker" "rm" "-f" "e97713b03c7203a31218eb5f70e426d3010ab4547989eac5535e50410c09aca7"`
Oct 27 06:58:42.593 INFO blam! e97713b03c7203a31218eb5f70e426d3010ab4547989eac5535e50410c09aca7