Dec 17 22:30:45.840 INFO checking jbcden/csv_parser against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:30:45.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jbcden/csv_parser:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:30:45.994 INFO [stdout] 33ecb8fee654ddab007674af5f32e0522a918a853b9e2f96bd341e33e1b98988
Dec 17 22:30:45.998 INFO running `"docker" "start" "-a" "33ecb8fee654ddab007674af5f32e0522a918a853b9e2f96bd341e33e1b98988"`
Dec 17 22:30:46.487 INFO [stderr]     Checking csv_parser v0.1.0 (/opt/crater/workdir)
Dec 17 22:30:46.611 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 22:30:46.611 INFO [stderr]  --> src/main.rs:1:5
Dec 17 22:30:46.611 INFO [stderr]   |
Dec 17 22:30:46.611 INFO [stderr] 1 | use std::fs::File;
Dec 17 22:30:46.611 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 22:30:46.611 INFO [stderr]   |
Dec 17 22:30:46.611 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:30:46.611 INFO [stderr] 
Dec 17 22:30:46.611 INFO [stderr] warning: unused import: `std::io::Read`
Dec 17 22:30:46.611 INFO [stderr]  --> src/main.rs:2:5
Dec 17 22:30:46.611 INFO [stderr]   |
Dec 17 22:30:46.611 INFO [stderr] 2 | use std::io::Read;
Dec 17 22:30:46.611 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 22:30:46.611 INFO [stderr] 
Dec 17 22:30:46.612 INFO [stderr] warning: unused import: `std::fs::File`
Dec 17 22:30:46.612 INFO [stderr]  --> src/main.rs:1:5
Dec 17 22:30:46.612 INFO [stderr]   |
Dec 17 22:30:46.612 INFO [stderr] 1 | use std::fs::File;
Dec 17 22:30:46.612 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 22:30:46.612 INFO [stderr]   |
Dec 17 22:30:46.612 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:30:46.612 INFO [stderr] 
Dec 17 22:30:46.612 INFO [stderr] warning: unused import: `std::io::Read`
Dec 17 22:30:46.612 INFO [stderr]  --> src/main.rs:2:5
Dec 17 22:30:46.612 INFO [stderr]   |
Dec 17 22:30:46.612 INFO [stderr] 2 | use std::io::Read;
Dec 17 22:30:46.612 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 17 22:30:46.612 INFO [stderr] 
Dec 17 22:30:46.645 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:30:46.645 INFO [stderr]  --> src/main.rs:7:9
Dec 17 22:30:46.645 INFO [stderr]   |
Dec 17 22:30:46.645 INFO [stderr] 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Dec 17 22:30:46.645 INFO [stderr]   |         ----^^^
Dec 17 22:30:46.645 INFO [stderr]   |         |
Dec 17 22:30:46.645 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:30:46.645 INFO [stderr]   |
Dec 17 22:30:46.645 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 22:30:46.645 INFO [stderr] 
Dec 17 22:30:46.645 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:30:46.645 INFO [stderr]  --> src/main.rs:8:9
Dec 17 22:30:46.645 INFO [stderr]   |
Dec 17 22:30:46.645 INFO [stderr] 8 |     let mut buf_read = BufReader::new(&csv);
Dec 17 22:30:46.645 INFO [stderr]   |         ----^^^^^^^^
Dec 17 22:30:46.645 INFO [stderr]   |         |
Dec 17 22:30:46.645 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:30:46.645 INFO [stderr] 
Dec 17 22:30:46.646 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:30:46.646 INFO [stderr]  --> src/main.rs:7:9
Dec 17 22:30:46.646 INFO [stderr]   |
Dec 17 22:30:46.646 INFO [stderr] 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Dec 17 22:30:46.646 INFO [stderr]   |         ----^^^
Dec 17 22:30:46.646 INFO [stderr]   |         |
Dec 17 22:30:46.646 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:30:46.646 INFO [stderr]   |
Dec 17 22:30:46.646 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 22:30:46.646 INFO [stderr] 
Dec 17 22:30:46.646 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:30:46.646 INFO [stderr]  --> src/main.rs:8:9
Dec 17 22:30:46.646 INFO [stderr]   |
Dec 17 22:30:46.646 INFO [stderr] 8 |     let mut buf_read = BufReader::new(&csv);
Dec 17 22:30:46.646 INFO [stderr]   |         ----^^^^^^^^
Dec 17 22:30:46.646 INFO [stderr]   |         |
Dec 17 22:30:46.646 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:30:46.646 INFO [stderr] 
Dec 17 22:30:46.648 INFO [stderr] warning: function is never used: `efficient_unsafe`
Dec 17 22:30:46.648 INFO [stderr]   --> src/main.rs:34:1
Dec 17 22:30:46.648 INFO [stderr]    |
Dec 17 22:30:46.648 INFO [stderr] 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Dec 17 22:30:46.648 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:30:46.648 INFO [stderr]    |
Dec 17 22:30:46.648 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:30:46.648 INFO [stderr] 
Dec 17 22:30:46.648 INFO [stderr] warning: function is never used: `efficient_unsafe`
Dec 17 22:30:46.649 INFO [stderr]   --> src/main.rs:34:1
Dec 17 22:30:46.649 INFO [stderr]    |
Dec 17 22:30:46.649 INFO [stderr] 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Dec 17 22:30:46.649 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:30:46.649 INFO [stderr]    |
Dec 17 22:30:46.649 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:30:46.649 INFO [stderr] 
Dec 17 22:30:46.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
Dec 17 22:30:46.928 INFO running `"docker" "inspect" "33ecb8fee654ddab007674af5f32e0522a918a853b9e2f96bd341e33e1b98988"`
Dec 17 22:30:46.993 INFO running `"docker" "rm" "-f" "33ecb8fee654ddab007674af5f32e0522a918a853b9e2f96bd341e33e1b98988"`
Dec 17 22:30:47.092 INFO [stdout] 33ecb8fee654ddab007674af5f32e0522a918a853b9e2f96bd341e33e1b98988