Dec 11 16:33:56.494 INFO checking jbcden/csv_parser against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:33:56.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 16:33:56.760 INFO [stdout] 519092e3c1ee7af0d088f18ee3e83e5875b68158f02d3861ad3e106b78455efc
Dec 11 16:33:56.760 INFO running `"docker" "start" "-a" "519092e3c1ee7af0d088f18ee3e83e5875b68158f02d3861ad3e106b78455efc"`
Dec 11 16:33:57.443 INFO [stderr] usermod: no changes
Dec 11 16:33:57.508 INFO [stderr]     Checking csv_parser v0.1.0 (/source)
Dec 11 16:33:57.892 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 16:33:57.892 INFO [stderr]  --> src/main.rs:1:5
Dec 11 16:33:57.892 INFO [stderr]   |
Dec 11 16:33:57.892 INFO [stderr] 1 | use std::fs::File;
Dec 11 16:33:57.892 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 16:33:57.892 INFO [stderr]   |
Dec 11 16:33:57.892 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:33:57.892 INFO [stderr] 
Dec 11 16:33:57.892 INFO [stderr] warning: unused import: `std::io::Read`
Dec 11 16:33:57.892 INFO [stderr]  --> src/main.rs:2:5
Dec 11 16:33:57.892 INFO [stderr]   |
Dec 11 16:33:57.892 INFO [stderr] 2 | use std::io::Read;
Dec 11 16:33:57.892 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 16:33:57.892 INFO [stderr] 
Dec 11 16:33:57.920 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:33:57.920 INFO [stderr]  --> src/main.rs:7:9
Dec 11 16:33:57.920 INFO [stderr]   |
Dec 11 16:33:57.920 INFO [stderr] 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Dec 11 16:33:57.920 INFO [stderr]   |         ----^^^
Dec 11 16:33:57.920 INFO [stderr]   |         |
Dec 11 16:33:57.920 INFO [stderr]   |         help: remove this `mut`
Dec 11 16:33:57.920 INFO [stderr]   |
Dec 11 16:33:57.920 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 16:33:57.920 INFO [stderr] 
Dec 11 16:33:57.920 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:33:57.920 INFO [stderr]  --> src/main.rs:8:9
Dec 11 16:33:57.920 INFO [stderr]   |
Dec 11 16:33:57.920 INFO [stderr] 8 |     let mut buf_read = BufReader::new(&csv);
Dec 11 16:33:57.920 INFO [stderr]   |         ----^^^^^^^^
Dec 11 16:33:57.920 INFO [stderr]   |         |
Dec 11 16:33:57.920 INFO [stderr]   |         help: remove this `mut`
Dec 11 16:33:57.920 INFO [stderr] 
Dec 11 16:33:57.920 INFO [stderr] warning: function is never used: `efficient_unsafe`
Dec 11 16:33:57.920 INFO [stderr]   --> src/main.rs:34:1
Dec 11 16:33:57.920 INFO [stderr]    |
Dec 11 16:33:57.920 INFO [stderr] 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Dec 11 16:33:57.921 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:57.921 INFO [stderr]    |
Dec 11 16:33:57.921 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:33:57.921 INFO [stderr] 
Dec 11 16:33:57.924 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 16:33:57.924 INFO [stderr]  --> src/main.rs:1:5
Dec 11 16:33:57.924 INFO [stderr]   |
Dec 11 16:33:57.924 INFO [stderr] 1 | use std::fs::File;
Dec 11 16:33:57.924 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 16:33:57.924 INFO [stderr]   |
Dec 11 16:33:57.924 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:33:57.924 INFO [stderr] 
Dec 11 16:33:57.924 INFO [stderr] warning: unused import: `std::io::Read`
Dec 11 16:33:57.924 INFO [stderr]  --> src/main.rs:2:5
Dec 11 16:33:57.924 INFO [stderr]   |
Dec 11 16:33:57.924 INFO [stderr] 2 | use std::io::Read;
Dec 11 16:33:57.924 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 16:33:57.924 INFO [stderr] 
Dec 11 16:33:57.960 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:33:57.960 INFO [stderr]  --> src/main.rs:7:9
Dec 11 16:33:57.960 INFO [stderr]   |
Dec 11 16:33:57.960 INFO [stderr] 7 |     let mut csv = std::fs::File::open("../FINAL.csv").unwrap();
Dec 11 16:33:57.960 INFO [stderr]   |         ----^^^
Dec 11 16:33:57.960 INFO [stderr]   |         |
Dec 11 16:33:57.960 INFO [stderr]   |         help: remove this `mut`
Dec 11 16:33:57.960 INFO [stderr]   |
Dec 11 16:33:57.960 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 16:33:57.960 INFO [stderr] 
Dec 11 16:33:57.960 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:33:57.960 INFO [stderr]  --> src/main.rs:8:9
Dec 11 16:33:57.960 INFO [stderr]   |
Dec 11 16:33:57.960 INFO [stderr] 8 |     let mut buf_read = BufReader::new(&csv);
Dec 11 16:33:57.960 INFO [stderr]   |         ----^^^^^^^^
Dec 11 16:33:57.960 INFO [stderr]   |         |
Dec 11 16:33:57.960 INFO [stderr]   |         help: remove this `mut`
Dec 11 16:33:57.960 INFO [stderr] 
Dec 11 16:33:57.960 INFO [stderr] warning: function is never used: `efficient_unsafe`
Dec 11 16:33:57.960 INFO [stderr]   --> src/main.rs:34:1
Dec 11 16:33:57.961 INFO [stderr]    |
Dec 11 16:33:57.961 INFO [stderr] 34 | fn efficient_unsafe(line: Result<String, String>) -> i32 {
Dec 11 16:33:57.961 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:33:57.961 INFO [stderr]    |
Dec 11 16:33:57.961 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:33:57.961 INFO [stderr] 
Dec 11 16:33:58.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 11 16:33:58.000 INFO [stderr] su: No module specific data is present
Dec 11 16:33:58.494 INFO running `"docker" "inspect" "519092e3c1ee7af0d088f18ee3e83e5875b68158f02d3861ad3e106b78455efc"`
Dec 11 16:33:58.568 INFO running `"docker" "rm" "-f" "519092e3c1ee7af0d088f18ee3e83e5875b68158f02d3861ad3e106b78455efc"`
Dec 11 16:33:58.685 INFO [stdout] 519092e3c1ee7af0d088f18ee3e83e5875b68158f02d3861ad3e106b78455efc