Nov 09 15:13:15.163 INFO checking cemozerr/Rust-Cash-Register against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 15:13:15.165 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-0/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 15:13:15.707 INFO blam! f95ec9f0b80ec4ff828afe691d3ebe7546a714d8104b90b2080b828b9073b645
Nov 09 15:13:15.709 INFO running `"docker" "start" "-a" "f95ec9f0b80ec4ff828afe691d3ebe7546a714d8104b90b2080b828b9073b645"`
Nov 09 15:13:16.715 INFO kablam! usermod: no changes
Nov 09 15:13:16.843 INFO kablam!    Compiling serde v1.0.74
Nov 09 15:13:28.715 INFO kablam!     Checking serde_json v1.0.26
Nov 09 15:13:31.115 INFO kablam!     Checking cash_register v0.1.0 (/source)
Nov 09 15:13:31.695 INFO kablam! warning: unused import: `Read`
Nov 09 15:13:31.695 INFO kablam!  --> src/main.rs:5:21
Nov 09 15:13:31.695 INFO kablam!   |
Nov 09 15:13:31.695 INFO kablam! 5 | use std::io::{self, Read};
Nov 09 15:13:31.695 INFO kablam!   |                     ^^^^
Nov 09 15:13:31.695 INFO kablam!   |
Nov 09 15:13:31.695 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 15:13:31.695 INFO kablam! 
Nov 09 15:13:31.707 INFO kablam! warning: unused import: `Read`
Nov 09 15:13:31.707 INFO kablam!  --> src/main.rs:5:21
Nov 09 15:13:31.707 INFO kablam!   |
Nov 09 15:13:31.707 INFO kablam! 5 | use std::io::{self, Read};
Nov 09 15:13:31.707 INFO kablam!   |                     ^^^^
Nov 09 15:13:31.707 INFO kablam!   |
Nov 09 15:13:31.707 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 15:13:31.707 INFO kablam! 
Nov 09 15:13:31.755 INFO kablam! warning: variable does not need to be mutable
Nov 09 15:13:31.755 INFO kablam!   --> src/main.rs:80:13
Nov 09 15:13:31.755 INFO kablam!    |
Nov 09 15:13:31.755 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 09 15:13:31.755 INFO kablam!    |             ----^^^^^^^^^^^
Nov 09 15:13:31.755 INFO kablam!    |             |
Nov 09 15:13:31.755 INFO kablam!    |             help: remove this `mut`
Nov 09 15:13:31.755 INFO kablam!    |
Nov 09 15:13:31.755 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 15:13:31.755 INFO kablam! 
Nov 09 15:13:31.759 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 15:13:31.760 INFO kablam!   --> src/main.rs:28:9
Nov 09 15:13:31.760 INFO kablam!    |
Nov 09 15:13:31.760 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 09 15:13:31.760 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 15:13:31.760 INFO kablam!    |
Nov 09 15:13:31.761 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 15:13:31.761 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 15:13:31.761 INFO kablam! 
Nov 09 15:13:31.801 INFO kablam! warning: variable does not need to be mutable
Nov 09 15:13:31.802 INFO kablam!   --> src/main.rs:80:13
Nov 09 15:13:31.802 INFO kablam!    |
Nov 09 15:13:31.802 INFO kablam! 80 |         let mut new_receipt = Receipt{
Nov 09 15:13:31.803 INFO kablam!    |             ----^^^^^^^^^^^
Nov 09 15:13:31.803 INFO kablam!    |             |
Nov 09 15:13:31.803 INFO kablam!    |             help: remove this `mut`
Nov 09 15:13:31.804 INFO kablam!    |
Nov 09 15:13:31.804 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 15:13:31.804 INFO kablam! 
Nov 09 15:13:31.805 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 15:13:31.805 INFO kablam!   --> src/main.rs:28:9
Nov 09 15:13:31.805 INFO kablam!    |
Nov 09 15:13:31.806 INFO kablam! 28 |         io::stdin().read_line(&mut buffer);
Nov 09 15:13:31.806 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 15:13:31.806 INFO kablam!    |
Nov 09 15:13:31.807 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 15:13:31.807 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 15:13:31.807 INFO kablam! 
Nov 09 15:13:31.817 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.07s
Nov 09 15:13:31.823 INFO kablam! su: No module specific data is present
Nov 09 15:13:32.396 INFO running `"docker" "rm" "-f" "f95ec9f0b80ec4ff828afe691d3ebe7546a714d8104b90b2080b828b9073b645"`
Nov 09 15:13:32.503 INFO blam! f95ec9f0b80ec4ff828afe691d3ebe7546a714d8104b90b2080b828b9073b645