Dec 19 14:01:59.049 INFO checking krishnakumar4a4/rust-epmd against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:01:59.049 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/krishnakumar4a4/rust-epmd:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:01:59.484 INFO [stdout] 97cac747886ca3ce60d30614de45ea1ae6b14219d48d857864825bc56bd2fd75
Dec 19 14:01:59.486 INFO running `"docker" "start" "-a" "97cac747886ca3ce60d30614de45ea1ae6b14219d48d857864825bc56bd2fd75"`
Dec 19 14:02:00.764 INFO [stderr]     Checking rust-empd v0.1.0 (/opt/crater/workdir)
Dec 19 14:02:01.308 INFO [stderr] warning: unused variable: `r_array`
Dec 19 14:02:01.308 INFO [stderr]   --> src/main.rs:77:13
Dec 19 14:02:01.308 INFO [stderr]    |
Dec 19 14:02:01.308 INFO [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
Dec 19 14:02:01.308 INFO [stderr]    |             ^^^^^^^ help: consider using `_r_array` instead
Dec 19 14:02:01.308 INFO [stderr]    |
Dec 19 14:02:01.308 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:02:01.308 INFO [stderr] 
Dec 19 14:02:01.320 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:02:01.320 INFO [stderr]   --> src/main.rs:77:9
Dec 19 14:02:01.320 INFO [stderr]    |
Dec 19 14:02:01.320 INFO [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
Dec 19 14:02:01.320 INFO [stderr]    |         ----^^^^^^^
Dec 19 14:02:01.320 INFO [stderr]    |         |
Dec 19 14:02:01.320 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:02:01.320 INFO [stderr]    |
Dec 19 14:02:01.320 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:02:01.320 INFO [stderr] 
Dec 19 14:02:01.320 INFO [stderr] warning: function is never used: `ask_port`
Dec 19 14:02:01.320 INFO [stderr]   --> src/main.rs:50:1
Dec 19 14:02:01.320 INFO [stderr]    |
Dec 19 14:02:01.320 INFO [stderr] 50 | fn ask_port(stream: &mut TcpStream) {
Dec 19 14:02:01.320 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:02:01.320 INFO [stderr]    |
Dec 19 14:02:01.320 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:02:01.320 INFO [stderr] 
Dec 19 14:02:01.320 INFO [stderr] warning: variable `bufVec` should have a snake case name such as `buf_vec`
Dec 19 14:02:01.320 INFO [stderr]   --> src/main.rs:19:9
Dec 19 14:02:01.320 INFO [stderr]    |
Dec 19 14:02:01.320 INFO [stderr] 19 |     let mut bufVec: [u8; 22] = [0; 22];
Dec 19 14:02:01.320 INFO [stderr]    |         ^^^^^^^^^^
Dec 19 14:02:01.321 INFO [stderr]    |
Dec 19 14:02:01.321 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 14:02:01.321 INFO [stderr] 
Dec 19 14:02:01.566 INFO [stderr] warning: unused variable: `r_array`
Dec 19 14:02:01.567 INFO [stderr]   --> src/main.rs:77:13
Dec 19 14:02:01.567 INFO [stderr]    |
Dec 19 14:02:01.567 INFO [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
Dec 19 14:02:01.567 INFO [stderr]    |             ^^^^^^^ help: consider using `_r_array` instead
Dec 19 14:02:01.567 INFO [stderr]    |
Dec 19 14:02:01.567 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:02:01.567 INFO [stderr] 
Dec 19 14:02:01.583 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:02:01.583 INFO [stderr]   --> src/main.rs:77:9
Dec 19 14:02:01.583 INFO [stderr]    |
Dec 19 14:02:01.583 INFO [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
Dec 19 14:02:01.583 INFO [stderr]    |         ----^^^^^^^
Dec 19 14:02:01.583 INFO [stderr]    |         |
Dec 19 14:02:01.583 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:02:01.583 INFO [stderr]    |
Dec 19 14:02:01.583 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:02:01.583 INFO [stderr] 
Dec 19 14:02:01.583 INFO [stderr] warning: function is never used: `ask_port`
Dec 19 14:02:01.583 INFO [stderr]   --> src/main.rs:50:1
Dec 19 14:02:01.583 INFO [stderr]    |
Dec 19 14:02:01.583 INFO [stderr] 50 | fn ask_port(stream: &mut TcpStream) {
Dec 19 14:02:01.583 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:02:01.583 INFO [stderr]    |
Dec 19 14:02:01.583 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:02:01.583 INFO [stderr] 
Dec 19 14:02:01.583 INFO [stderr] warning: variable `bufVec` should have a snake case name such as `buf_vec`
Dec 19 14:02:01.583 INFO [stderr]   --> src/main.rs:19:9
Dec 19 14:02:01.583 INFO [stderr]    |
Dec 19 14:02:01.583 INFO [stderr] 19 |     let mut bufVec: [u8; 22] = [0; 22];
Dec 19 14:02:01.583 INFO [stderr]    |         ^^^^^^^^^^
Dec 19 14:02:01.584 INFO [stderr]    |
Dec 19 14:02:01.584 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 14:02:01.584 INFO [stderr] 
Dec 19 14:02:01.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 19 14:02:02.852 INFO running `"docker" "inspect" "97cac747886ca3ce60d30614de45ea1ae6b14219d48d857864825bc56bd2fd75"`
Dec 19 14:02:03.087 INFO running `"docker" "rm" "-f" "97cac747886ca3ce60d30614de45ea1ae6b14219d48d857864825bc56bd2fd75"`
Dec 19 14:02:03.292 INFO [stdout] 97cac747886ca3ce60d30614de45ea1ae6b14219d48d857864825bc56bd2fd75