Nov 01 03:23:01.416 INFO checking jbcden/csv_parser against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:23:01.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 03:23:01.683 INFO blam! 69176cdf9a5fbe7bac50fc54c8592f304a95304695f69a75f6431f6a39d5c986
Nov 01 03:23:01.683 INFO running `"docker" "start" "-a" "69176cdf9a5fbe7bac50fc54c8592f304a95304695f69a75f6431f6a39d5c986"`
Nov 01 03:23:02.124 INFO kablam! usermod: no changes
Nov 01 03:23:02.159 INFO kablam!     Checking csv_parser v0.1.0 (/source)
Nov 01 03:23:02.452 INFO kablam! warning: unused import: `std::fs::File`
Nov 01 03:23:02.452 INFO kablam!  --> src/main.rs:1:5
Nov 01 03:23:02.452 INFO kablam!   |
Nov 01 03:23:02.452 INFO kablam! 1 | use std::fs::File;
Nov 01 03:23:02.452 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 01 03:23:02.452 INFO kablam!   |
Nov 01 03:23:02.452 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:23:02.452 INFO kablam! 
Nov 01 03:23:02.452 INFO kablam! warning: unused import: `std::io::Read`
Nov 01 03:23:02.452 INFO kablam!  --> src/main.rs:2:5
Nov 01 03:23:02.452 INFO kablam!   |
Nov 01 03:23:02.452 INFO kablam! 2 | use std::io::Read;
Nov 01 03:23:02.452 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 01 03:23:02.452 INFO kablam! 
Nov 01 03:23:02.560 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:23:02.560 INFO kablam!  --> src/main.rs:7:9
Nov 01 03:23:02.560 INFO kablam!   |
Nov 01 03:23:02.560 INFO kablam! 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Nov 01 03:23:02.560 INFO kablam!   |         ----^^^
Nov 01 03:23:02.560 INFO kablam!   |         |
Nov 01 03:23:02.560 INFO kablam!   |         help: remove this `mut`
Nov 01 03:23:02.560 INFO kablam!   |
Nov 01 03:23:02.560 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 01 03:23:02.560 INFO kablam! 
Nov 01 03:23:02.560 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:23:02.560 INFO kablam!  --> src/main.rs:8:9
Nov 01 03:23:02.560 INFO kablam!   |
Nov 01 03:23:02.560 INFO kablam! 8 |     let mut buf_read = BufReader::new(&csv);
Nov 01 03:23:02.560 INFO kablam!   |         ----^^^^^^^^
Nov 01 03:23:02.560 INFO kablam!   |         |
Nov 01 03:23:02.560 INFO kablam!   |         help: remove this `mut`
Nov 01 03:23:02.560 INFO kablam! 
Nov 01 03:23:02.560 INFO kablam! warning: function is never used: `efficient_unsafe`
Nov 01 03:23:02.560 INFO kablam!   --> src/main.rs:34:1
Nov 01 03:23:02.560 INFO kablam!    |
Nov 01 03:23:02.560 INFO kablam! 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Nov 01 03:23:02.560 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:23:02.561 INFO kablam!    |
Nov 01 03:23:02.561 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 03:23:02.561 INFO kablam! 
Nov 01 03:23:02.745 INFO kablam! warning: unused import: `std::fs::File`
Nov 01 03:23:02.745 INFO kablam!  --> src/main.rs:1:5
Nov 01 03:23:02.745 INFO kablam!   |
Nov 01 03:23:02.745 INFO kablam! 1 | use std::fs::File;
Nov 01 03:23:02.745 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 01 03:23:02.745 INFO kablam!   |
Nov 01 03:23:02.745 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:23:02.745 INFO kablam! 
Nov 01 03:23:02.745 INFO kablam! warning: unused import: `std::io::Read`
Nov 01 03:23:02.745 INFO kablam!  --> src/main.rs:2:5
Nov 01 03:23:02.745 INFO kablam!   |
Nov 01 03:23:02.745 INFO kablam! 2 | use std::io::Read;
Nov 01 03:23:02.745 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 01 03:23:02.745 INFO kablam! 
Nov 01 03:23:02.784 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:23:02.784 INFO kablam!  --> src/main.rs:7:9
Nov 01 03:23:02.784 INFO kablam!   |
Nov 01 03:23:02.784 INFO kablam! 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Nov 01 03:23:02.785 INFO kablam!   |         ----^^^
Nov 01 03:23:02.785 INFO kablam!   |         |
Nov 01 03:23:02.785 INFO kablam!   |         help: remove this `mut`
Nov 01 03:23:02.785 INFO kablam!   |
Nov 01 03:23:02.785 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 01 03:23:02.785 INFO kablam! 
Nov 01 03:23:02.785 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:23:02.785 INFO kablam!  --> src/main.rs:8:9
Nov 01 03:23:02.785 INFO kablam!   |
Nov 01 03:23:02.785 INFO kablam! 8 |     let mut buf_read = BufReader::new(&csv);
Nov 01 03:23:02.785 INFO kablam!   |         ----^^^^^^^^
Nov 01 03:23:02.785 INFO kablam!   |         |
Nov 01 03:23:02.785 INFO kablam!   |         help: remove this `mut`
Nov 01 03:23:02.785 INFO kablam! 
Nov 01 03:23:02.788 INFO kablam! warning: function is never used: `efficient_unsafe`
Nov 01 03:23:02.788 INFO kablam!   --> src/main.rs:34:1
Nov 01 03:23:02.788 INFO kablam!    |
Nov 01 03:23:02.788 INFO kablam! 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Nov 01 03:23:02.788 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:23:02.788 INFO kablam!    |
Nov 01 03:23:02.788 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 03:23:02.788 INFO kablam! 
Nov 01 03:23:02.801 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Nov 01 03:23:02.805 INFO kablam! su: No module specific data is present
Nov 01 03:23:03.129 INFO running `"docker" "rm" "-f" "69176cdf9a5fbe7bac50fc54c8592f304a95304695f69a75f6431f6a39d5c986"`
Nov 01 03:23:03.380 INFO blam! 69176cdf9a5fbe7bac50fc54c8592f304a95304695f69a75f6431f6a39d5c986