Nov 30 01:07:28.312 INFO checking jbcden/csv_parser against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:07:28.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 01:07:28.597 INFO [stdout] 4b8823b495c2a127be42f266b80dc528733a3d24c2ad10843e724e48200fe31f
Nov 30 01:07:28.602 INFO running `"docker" "start" "-a" "4b8823b495c2a127be42f266b80dc528733a3d24c2ad10843e724e48200fe31f"`
Nov 30 01:07:29.481 INFO [stderr] usermod: no changes
Nov 30 01:07:29.529 INFO [stderr]     Checking csv_parser v0.1.0 (/source)
Nov 30 01:07:29.884 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:07:29.884 INFO [stderr]  --> src/main.rs:1:5
Nov 30 01:07:29.884 INFO [stderr]   |
Nov 30 01:07:29.884 INFO [stderr] 1 | use std::fs::File;
Nov 30 01:07:29.884 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:07:29.884 INFO [stderr]   |
Nov 30 01:07:29.884 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:07:29.884 INFO [stderr] 
Nov 30 01:07:29.884 INFO [stderr] warning: unused import: `std::io::Read`
Nov 30 01:07:29.884 INFO [stderr]  --> src/main.rs:2:5
Nov 30 01:07:29.884 INFO [stderr]   |
Nov 30 01:07:29.884 INFO [stderr] 2 | use std::io::Read;
Nov 30 01:07:29.884 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:07:29.884 INFO [stderr] 
Nov 30 01:07:29.919 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:07:29.919 INFO [stderr]  --> src/main.rs:7:9
Nov 30 01:07:29.919 INFO [stderr]   |
Nov 30 01:07:29.919 INFO [stderr] 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Nov 30 01:07:29.919 INFO [stderr]   |         ----^^^
Nov 30 01:07:29.919 INFO [stderr]   |         |
Nov 30 01:07:29.919 INFO [stderr]   |         help: remove this `mut`
Nov 30 01:07:29.919 INFO [stderr]   |
Nov 30 01:07:29.919 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 30 01:07:29.919 INFO [stderr] 
Nov 30 01:07:29.919 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:07:29.919 INFO [stderr]  --> src/main.rs:8:9
Nov 30 01:07:29.919 INFO [stderr]   |
Nov 30 01:07:29.919 INFO [stderr] 8 |     let mut buf_read = BufReader::new(&csv);
Nov 30 01:07:29.919 INFO [stderr]   |         ----^^^^^^^^
Nov 30 01:07:29.919 INFO [stderr]   |         |
Nov 30 01:07:29.919 INFO [stderr]   |         help: remove this `mut`
Nov 30 01:07:29.919 INFO [stderr] 
Nov 30 01:07:29.919 INFO [stderr] warning: function is never used: `efficient_unsafe`
Nov 30 01:07:29.919 INFO [stderr]   --> src/main.rs:34:1
Nov 30 01:07:29.919 INFO [stderr]    |
Nov 30 01:07:29.919 INFO [stderr] 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Nov 30 01:07:29.919 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:07:29.919 INFO [stderr]    |
Nov 30 01:07:29.919 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 01:07:29.919 INFO [stderr] 
Nov 30 01:07:29.934 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:07:29.934 INFO [stderr]  --> src/main.rs:1:5
Nov 30 01:07:29.934 INFO [stderr]   |
Nov 30 01:07:29.934 INFO [stderr] 1 | use std::fs::File;
Nov 30 01:07:29.934 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:07:29.934 INFO [stderr]   |
Nov 30 01:07:29.934 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:07:29.934 INFO [stderr] 
Nov 30 01:07:29.934 INFO [stderr] warning: unused import: `std::io::Read`
Nov 30 01:07:29.934 INFO [stderr]  --> src/main.rs:2:5
Nov 30 01:07:29.934 INFO [stderr]   |
Nov 30 01:07:29.934 INFO [stderr] 2 | use std::io::Read;
Nov 30 01:07:29.934 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:07:29.934 INFO [stderr] 
Nov 30 01:07:29.975 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:07:29.976 INFO [stderr]  --> src/main.rs:7:9
Nov 30 01:07:29.976 INFO [stderr]   |
Nov 30 01:07:29.976 INFO [stderr] 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Nov 30 01:07:29.976 INFO [stderr]   |         ----^^^
Nov 30 01:07:29.976 INFO [stderr]   |         |
Nov 30 01:07:29.976 INFO [stderr]   |         help: remove this `mut`
Nov 30 01:07:29.976 INFO [stderr]   |
Nov 30 01:07:29.976 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 30 01:07:29.976 INFO [stderr] 
Nov 30 01:07:29.976 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:07:29.977 INFO [stderr]  --> src/main.rs:8:9
Nov 30 01:07:29.977 INFO [stderr]   |
Nov 30 01:07:29.977 INFO [stderr] 8 |     let mut buf_read = BufReader::new(&csv);
Nov 30 01:07:29.977 INFO [stderr]   |         ----^^^^^^^^
Nov 30 01:07:29.977 INFO [stderr]   |         |
Nov 30 01:07:29.977 INFO [stderr]   |         help: remove this `mut`
Nov 30 01:07:29.977 INFO [stderr] 
Nov 30 01:07:29.979 INFO [stderr] warning: function is never used: `efficient_unsafe`
Nov 30 01:07:29.979 INFO [stderr]   --> src/main.rs:34:1
Nov 30 01:07:29.979 INFO [stderr]    |
Nov 30 01:07:29.979 INFO [stderr] 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Nov 30 01:07:29.979 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:07:29.979 INFO [stderr]    |
Nov 30 01:07:29.979 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 01:07:29.979 INFO [stderr] 
Nov 30 01:07:29.991 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Nov 30 01:07:30.000 INFO [stderr] su: No module specific data is present
Nov 30 01:07:30.466 INFO running `"docker" "inspect" "4b8823b495c2a127be42f266b80dc528733a3d24c2ad10843e724e48200fe31f"`
Nov 30 01:07:30.600 INFO running `"docker" "rm" "-f" "4b8823b495c2a127be42f266b80dc528733a3d24c2ad10843e724e48200fe31f"`
Nov 30 01:07:30.731 INFO [stdout] 4b8823b495c2a127be42f266b80dc528733a3d24c2ad10843e724e48200fe31f