[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deyb/rginx"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deyb/rginx'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deyb/rginx" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/deyb/rginx"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of deyb/rginx on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/deyb/rginx/Cargo.toml
[INFO] crate deyb/rginx has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing deyb/rginx against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deyb/rginx:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 9359dde16e993bdf632d168e251fb60f9f8c775eac8ce82617a93b49c7d6cd3b
[INFO] running `"docker" "start" "-a" "9359dde16e993bdf632d168e251fb60f9f8c775eac8ce82617a93b49c7d6cd3b"`
[INFO] [stderr]    Compiling 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "9359dde16e993bdf632d168e251fb60f9f8c775eac8ce82617a93b49c7d6cd3b"`
[INFO] running `"docker" "rm" "-f" "9359dde16e993bdf632d168e251fb60f9f8c775eac8ce82617a93b49c7d6cd3b"`
[INFO] [stdout] 9359dde16e993bdf632d168e251fb60f9f8c775eac8ce82617a93b49c7d6cd3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deyb/rginx:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ebb965883cb47337a7585788eec9e4e3b24b2e4d52428a693120f19decd5ce4
[INFO] running `"docker" "start" "-a" "1ebb965883cb47337a7585788eec9e4e3b24b2e4d52428a693120f19decd5ce4"`
[INFO] [stderr]    Compiling 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "1ebb965883cb47337a7585788eec9e4e3b24b2e4d52428a693120f19decd5ce4"`
[INFO] running `"docker" "rm" "-f" "1ebb965883cb47337a7585788eec9e4e3b24b2e4d52428a693120f19decd5ce4"`
[INFO] [stdout] 1ebb965883cb47337a7585788eec9e4e3b24b2e4d52428a693120f19decd5ce4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/deyb/rginx:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 7cd626b767b2bc85dbe1b0f527bcd831bfdd06c0ba99d71ca755708e02466633
[INFO] running `"docker" "start" "-a" "7cd626b767b2bc85dbe1b0f527bcd831bfdd06c0ba99d71ca755708e02466633"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cs_rginx2-100a019768208593
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7cd626b767b2bc85dbe1b0f527bcd831bfdd06c0ba99d71ca755708e02466633"`
[INFO] running `"docker" "rm" "-f" "7cd626b767b2bc85dbe1b0f527bcd831bfdd06c0ba99d71ca755708e02466633"`
[INFO] [stdout] 7cd626b767b2bc85dbe1b0f527bcd831bfdd06c0ba99d71ca755708e02466633