[INFO] updating cached repository krishnakumar4a4/rust-epmd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krishnakumar4a4/rust-epmd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krishnakumar4a4/rust-epmd" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/krishnakumar4a4/rust-epmd"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/krishnakumar4a4/rust-epmd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krishnakumar4a4/rust-epmd" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/krishnakumar4a4/rust-epmd"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/krishnakumar4a4/rust-epmd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 58dbcbf3bf647f89b2da7ee1bb009bbe23658c3d
[INFO] sha for GitHub repo krishnakumar4a4/rust-epmd: 58dbcbf3bf647f89b2da7ee1bb009bbe23658c3d
[INFO] validating manifest of krishnakumar4a4/rust-epmd on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of krishnakumar4a4/rust-epmd on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing krishnakumar4a4/rust-epmd
[INFO] finished frobbing krishnakumar4a4/rust-epmd
[INFO] frobbed toml for krishnakumar4a4/rust-epmd written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/krishnakumar4a4/rust-epmd/Cargo.toml
[INFO] started frobbing krishnakumar4a4/rust-epmd
[INFO] finished frobbing krishnakumar4a4/rust-epmd
[INFO] frobbed toml for krishnakumar4a4/rust-epmd written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/krishnakumar4a4/rust-epmd/Cargo.toml
[INFO] crate krishnakumar4a4/rust-epmd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking krishnakumar4a4/rust-epmd against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1a8a3e4b64ee930d9ae5f87bddc74ac852ff39fb6443d2cf7e55d195b572fb3
[INFO] running `"docker" "start" "-a" "a1a8a3e4b64ee930d9ae5f87bddc74ac852ff39fb6443d2cf7e55d195b572fb3"`
[INFO] [stderr]     Checking rust-empd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `r_array`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_r_array`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ask_port`
[INFO] [stderr]   --> src/main.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn ask_port(stream: &mut TcpStream) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bufVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut bufVec: [u8; 22] = [0; 22];
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `buf_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_array`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_r_array`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut r_array: [u8; 30] = [0; 30];
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ask_port`
[INFO] [stderr]   --> src/main.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn ask_port(stream: &mut TcpStream) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bufVec` should have a snake case name
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut bufVec: [u8; 22] = [0; 22];
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `buf_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "a1a8a3e4b64ee930d9ae5f87bddc74ac852ff39fb6443d2cf7e55d195b572fb3"`
[INFO] running `"docker" "rm" "-f" "a1a8a3e4b64ee930d9ae5f87bddc74ac852ff39fb6443d2cf7e55d195b572fb3"`
[INFO] [stdout] a1a8a3e4b64ee930d9ae5f87bddc74ac852ff39fb6443d2cf7e55d195b572fb3