Oct 12 19:57:16.287 INFO checking jbcden/csv_parser against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:57:16.287 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 19:57:16.484 INFO blam! ffc9d05cf60104c1a648ae2e1ebd30e6e1da5216dfd5a51d19f30a167aba50e3
Oct 12 19:57:16.485 INFO running `"docker" "start" "-a" "ffc9d05cf60104c1a648ae2e1ebd30e6e1da5216dfd5a51d19f30a167aba50e3"`
Oct 12 19:57:17.003 INFO kablam! usermod: no changes
Oct 12 19:57:17.028 INFO kablam!     Checking csv_parser v0.1.0 (/source)
Oct 12 19:57:17.304 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 19:57:17.304 INFO kablam!  --> src/main.rs:1:5
Oct 12 19:57:17.304 INFO kablam!   |
Oct 12 19:57:17.304 INFO kablam! 1 | use std::fs::File;
Oct 12 19:57:17.304 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.304 INFO kablam!   |
Oct 12 19:57:17.304 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:57:17.304 INFO kablam! 
Oct 12 19:57:17.304 INFO kablam! warning: unused import: `std::io::Read`
Oct 12 19:57:17.304 INFO kablam!  --> src/main.rs:2:5
Oct 12 19:57:17.304 INFO kablam!   |
Oct 12 19:57:17.304 INFO kablam! 2 | use std::io::Read;
Oct 12 19:57:17.304 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.304 INFO kablam! 
Oct 12 19:57:17.344 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:17.344 INFO kablam!  --> src/main.rs:7:9
Oct 12 19:57:17.344 INFO kablam!   |
Oct 12 19:57:17.344 INFO kablam! 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Oct 12 19:57:17.344 INFO kablam!   |         ----^^^
Oct 12 19:57:17.344 INFO kablam!   |         |
Oct 12 19:57:17.344 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:17.344 INFO kablam!   |
Oct 12 19:57:17.344 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 19:57:17.344 INFO kablam! 
Oct 12 19:57:17.344 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:17.344 INFO kablam!  --> src/main.rs:8:9
Oct 12 19:57:17.344 INFO kablam!   |
Oct 12 19:57:17.345 INFO kablam! 8 |     let mut buf_read = BufReader::new(&csv);
Oct 12 19:57:17.345 INFO kablam!   |         ----^^^^^^^^
Oct 12 19:57:17.345 INFO kablam!   |         |
Oct 12 19:57:17.345 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:17.345 INFO kablam! 
Oct 12 19:57:17.348 INFO kablam! warning: function is never used: `efficient_unsafe`
Oct 12 19:57:17.348 INFO kablam!   --> src/main.rs:34:1
Oct 12 19:57:17.348 INFO kablam!    |
Oct 12 19:57:17.348 INFO kablam! 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Oct 12 19:57:17.348 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:57:17.348 INFO kablam!    |
Oct 12 19:57:17.348 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:57:17.348 INFO kablam! 
Oct 12 19:57:17.369 INFO kablam! warning: unused import: `std::fs::File`
Oct 12 19:57:17.369 INFO kablam!  --> src/main.rs:1:5
Oct 12 19:57:17.369 INFO kablam!   |
Oct 12 19:57:17.369 INFO kablam! 1 | use std::fs::File;
Oct 12 19:57:17.369 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.369 INFO kablam!   |
Oct 12 19:57:17.369 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:57:17.369 INFO kablam! 
Oct 12 19:57:17.369 INFO kablam! warning: unused import: `std::io::Read`
Oct 12 19:57:17.369 INFO kablam!  --> src/main.rs:2:5
Oct 12 19:57:17.369 INFO kablam!   |
Oct 12 19:57:17.369 INFO kablam! 2 | use std::io::Read;
Oct 12 19:57:17.369 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 12 19:57:17.369 INFO kablam! 
Oct 12 19:57:17.410 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:17.410 INFO kablam!  --> src/main.rs:7:9
Oct 12 19:57:17.410 INFO kablam!   |
Oct 12 19:57:17.410 INFO kablam! 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Oct 12 19:57:17.410 INFO kablam!   |         ----^^^
Oct 12 19:57:17.410 INFO kablam!   |         |
Oct 12 19:57:17.410 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:17.410 INFO kablam!   |
Oct 12 19:57:17.410 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 19:57:17.410 INFO kablam! 
Oct 12 19:57:17.410 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:57:17.410 INFO kablam!  --> src/main.rs:8:9
Oct 12 19:57:17.410 INFO kablam!   |
Oct 12 19:57:17.410 INFO kablam! 8 |     let mut buf_read = BufReader::new(&csv);
Oct 12 19:57:17.410 INFO kablam!   |         ----^^^^^^^^
Oct 12 19:57:17.410 INFO kablam!   |         |
Oct 12 19:57:17.410 INFO kablam!   |         help: remove this `mut`
Oct 12 19:57:17.410 INFO kablam! 
Oct 12 19:57:17.410 INFO kablam! warning: function is never used: `efficient_unsafe`
Oct 12 19:57:17.410 INFO kablam!   --> src/main.rs:34:1
Oct 12 19:57:17.413 INFO kablam!    |
Oct 12 19:57:17.413 INFO kablam! 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Oct 12 19:57:17.413 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:57:17.413 INFO kablam!    |
Oct 12 19:57:17.413 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:57:17.413 INFO kablam! 
Oct 12 19:57:17.422 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Oct 12 19:57:17.426 INFO kablam! su: No module specific data is present
Oct 12 19:57:18.008 INFO running `"docker" "rm" "-f" "ffc9d05cf60104c1a648ae2e1ebd30e6e1da5216dfd5a51d19f30a167aba50e3"`
Oct 12 19:57:18.087 INFO blam! ffc9d05cf60104c1a648ae2e1ebd30e6e1da5216dfd5a51d19f30a167aba50e3