Oct 12 19:57:16.575 INFO checking jbcden/csv_parser against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 19:57:16.575 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 19:57:16.833 INFO blam! 886c0f1070c707cdee46817cdb6b1689b59404e0b754d29efcae687c98a6de44
Oct 12 19:57:16.844 INFO running `"docker" "start" "-a" "886c0f1070c707cdee46817cdb6b1689b59404e0b754d29efcae687c98a6de44"`
Oct 12 19:57:17.484 INFO kablam! usermod: no changes
Oct 12 19:57:17.510 INFO kablam!     Checking csv_parser v0.1.0 (/source)
Oct 12 19:57:17.902 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 19:57:17.902 INFO kablam!  --> src/main.rs:1:5
Oct 12 19:57:17.902 INFO kablam!   |
Oct 12 19:57:17.902 INFO kablam! 1 | use std::fs::File;
Oct 12 19:57:17.902 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.902 INFO kablam!   |
Oct 12 19:57:17.902 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:57:17.902 INFO kablam! 
Oct 12 19:57:17.902 INFO kablam! warning: unused import: `std::io::Read`
Oct 12 19:57:17.902 INFO kablam!  --> src/main.rs:2:5
Oct 12 19:57:17.902 INFO kablam!   |
Oct 12 19:57:17.902 INFO kablam! 2 | use std::io::Read;
Oct 12 19:57:17.902 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.902 INFO kablam! 
Oct 12 19:57:17.943 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:17.943 INFO kablam!  --> src/main.rs:7:9
Oct 12 19:57:17.943 INFO kablam!   |
Oct 12 19:57:17.943 INFO kablam! 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Oct 12 19:57:17.943 INFO kablam!   |         ----^^^
Oct 12 19:57:17.943 INFO kablam!   |         |
Oct 12 19:57:17.943 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:17.943 INFO kablam!   |
Oct 12 19:57:17.943 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 19:57:17.943 INFO kablam! 
Oct 12 19:57:17.943 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:17.943 INFO kablam!  --> src/main.rs:8:9
Oct 12 19:57:17.943 INFO kablam!   |
Oct 12 19:57:17.943 INFO kablam! 8 |     let mut buf_read = BufReader::new(&csv);
Oct 12 19:57:17.943 INFO kablam!   |         ----^^^^^^^^
Oct 12 19:57:17.943 INFO kablam!   |         |
Oct 12 19:57:17.943 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:17.943 INFO kablam! 
Oct 12 19:57:17.946 INFO kablam! warning: function is never used: `efficient_unsafe`
Oct 12 19:57:17.946 INFO kablam!   --> src/main.rs:34:1
Oct 12 19:57:17.946 INFO kablam!    |
Oct 12 19:57:17.946 INFO kablam! 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Oct 12 19:57:17.946 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:57:17.946 INFO kablam!    |
Oct 12 19:57:17.946 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:57:17.946 INFO kablam! 
Oct 12 19:57:17.960 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 19:57:17.960 INFO kablam!  --> src/main.rs:1:5
Oct 12 19:57:17.960 INFO kablam!   |
Oct 12 19:57:17.960 INFO kablam! 1 | use std::fs::File;
Oct 12 19:57:17.960 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.960 INFO kablam!   |
Oct 12 19:57:17.960 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:57:17.960 INFO kablam! 
Oct 12 19:57:17.960 INFO kablam! warning: unused import: `std::io::Read`
Oct 12 19:57:17.960 INFO kablam!  --> src/main.rs:2:5
Oct 12 19:57:17.960 INFO kablam!   |
Oct 12 19:57:17.960 INFO kablam! 2 | use std::io::Read;
Oct 12 19:57:17.960 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.960 INFO kablam! 
Oct 12 19:57:18.000 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:18.000 INFO kablam!  --> src/main.rs:7:9
Oct 12 19:57:18.000 INFO kablam!   |
Oct 12 19:57:18.000 INFO kablam! 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Oct 12 19:57:18.000 INFO kablam!   |         ----^^^
Oct 12 19:57:18.000 INFO kablam!   |         |
Oct 12 19:57:18.000 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:18.000 INFO kablam!   |
Oct 12 19:57:18.000 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 19:57:18.000 INFO kablam! 
Oct 12 19:57:18.000 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:18.000 INFO kablam!  --> src/main.rs:8:9
Oct 12 19:57:18.000 INFO kablam!   |
Oct 12 19:57:18.000 INFO kablam! 8 |     let mut buf_read = BufReader::new(&csv);
Oct 12 19:57:18.000 INFO kablam!   |         ----^^^^^^^^
Oct 12 19:57:18.000 INFO kablam!   |         |
Oct 12 19:57:18.000 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:18.000 INFO kablam! 
Oct 12 19:57:18.003 INFO kablam! warning: function is never used: `efficient_unsafe`
Oct 12 19:57:18.003 INFO kablam!   --> src/main.rs:34:1
Oct 12 19:57:18.003 INFO kablam!    |
Oct 12 19:57:18.003 INFO kablam! 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Oct 12 19:57:18.003 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:57:18.004 INFO kablam!    |
Oct 12 19:57:18.004 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:57:18.004 INFO kablam! 
Oct 12 19:57:18.020 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Oct 12 19:57:18.020 INFO kablam! su: No module specific data is present
Oct 12 19:57:18.224 INFO running `"docker" "rm" "-f" "886c0f1070c707cdee46817cdb6b1689b59404e0b754d29efcae687c98a6de44"`
Oct 12 19:57:18.331 INFO blam! 886c0f1070c707cdee46817cdb6b1689b59404e0b754d29efcae687c98a6de44