[INFO] updating cached repository deyb/rginx
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deyb/rginx
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deyb/rginx" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/deyb/rginx"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/deyb/rginx'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deyb/rginx" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/deyb/rginx"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/deyb/rginx'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c5ab90012829304208b448a103a739e6ba35583
[INFO] sha for GitHub repo deyb/rginx: 3c5ab90012829304208b448a103a739e6ba35583
[INFO] validating manifest of deyb/rginx on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of deyb/rginx on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing deyb/rginx
[INFO] finished frobbing deyb/rginx
[INFO] frobbed toml for deyb/rginx written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/deyb/rginx/Cargo.toml
[INFO] started frobbing deyb/rginx
[INFO] finished frobbing deyb/rginx
[INFO] frobbed toml for deyb/rginx written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/deyb/rginx/Cargo.toml
[INFO] crate deyb/rginx already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking deyb/rginx against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/deyb/rginx:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8e9d085e166dc5afe8010e6ef4c27079d6f86c9b8dec2a02001c52b93e811fa
[INFO] running `"docker" "start" "-a" "c8e9d085e166dc5afe8010e6ef4c27079d6f86c9b8dec2a02001c52b93e811fa"`
[INFO] [stderr]     Checking cs-rginx2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:332:19
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 if(size <= 0) {
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:332:19
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 if(size <= 0) {
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `max_cores` is never read
[INFO] [stderr]    --> src/main.rs:419:13
[INFO] [stderr]     |
[INFO] [stderr] 419 |     let mut max_cores: u32 = args[3].parse().unwrap();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:86:29
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         Err(e) => {
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]    --> src/main.rs:197:7
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let bytes = match f.read(&mut buffer[..]) 
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/main.rs:305:17
[INFO] [stderr]     |
[INFO] [stderr] 305 |     pub fn work(id: u32, receiver: Arc<Mutex<mpsc::Receiver<TcpStream>>>, base_path: String) {
[INFO] [stderr]     |                 ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base_path`
[INFO] [stderr]    --> src/main.rs:393:25
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn new(id: u32, base_path: String) -> Worker { //, sender: TcpStream, receiver: TcpStream) -> Worker {
[INFO] [stderr]     |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_base_path`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `max_cores` is never read
[INFO] [stderr]    --> src/main.rs:419:13
[INFO] [stderr]     |
[INFO] [stderr] 419 |     let mut max_cores: u32 = args[3].parse().unwrap();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:86:29
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         Err(e) => {
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]    --> src/main.rs:197:7
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let bytes = match f.read(&mut buffer[..]) 
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/main.rs:305:17
[INFO] [stderr]     |
[INFO] [stderr] 305 |     pub fn work(id: u32, receiver: Arc<Mutex<mpsc::Receiver<TcpStream>>>, base_path: String) {
[INFO] [stderr]     |                 ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base_path`
[INFO] [stderr]    --> src/main.rs:393:25
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn new(id: u32, base_path: String) -> Worker { //, sender: TcpStream, receiver: TcpStream) -> Worker {
[INFO] [stderr]     |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_base_path`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_ITERATIONS`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const MAX_ITERATIONS:u32 = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     id: u32,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     id: u32,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cache`
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     cache: LRUCache,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_tick`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     max_tick: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_ITERATIONS`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const MAX_ITERATIONS:u32 = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     id: u32,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     id: u32,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cache`
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     cache: LRUCache,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_tick`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     max_tick: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "c8e9d085e166dc5afe8010e6ef4c27079d6f86c9b8dec2a02001c52b93e811fa"`
[INFO] running `"docker" "rm" "-f" "c8e9d085e166dc5afe8010e6ef4c27079d6f86c9b8dec2a02001c52b93e811fa"`
[INFO] [stdout] c8e9d085e166dc5afe8010e6ef4c27079d6f86c9b8dec2a02001c52b93e811fa