[INFO] cloning repository AreebSiddiqui/rust-futures
[INFO] running `"git" "clone" "--bare" "git://github.com/AreebSiddiqui/rust-futures.git" "work/cache/sources/gh/AreebSiddiqui/rust-futures"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/AreebSiddiqui/rust-futures'...
[INFO] running `"git" "clone" "work/cache/sources/gh/AreebSiddiqui/rust-futures" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AreebSiddiqui/rust-futures"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AreebSiddiqui/rust-futures'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  82% (1156/1399)   
Checking out files:  83% (1162/1399)   
Checking out files:  84% (1176/1399)   
Checking out files:  85% (1190/1399)   
Checking out files:  86% (1204/1399)   
Checking out files:  86% (1207/1399)   
Checking out files:  87% (1218/1399)   
Checking out files:  88% (1232/1399)   
Checking out files:  89% (1246/1399)   
Checking out files:  90% (1260/1399)   
Checking out files:  91% (1274/1399)   
Checking out files:  92% (1288/1399)   
Checking out files:  93% (1302/1399)   
Checking out files:  94% (1316/1399)   
Checking out files:  95% (1330/1399)   
Checking out files:  96% (1344/1399)   
Checking out files:  97% (1358/1399)   
Checking out files:  98% (1372/1399)   
Checking out files:  99% (1386/1399)   
Checking out files: 100% (1399/1399)   
Checking out files: 100% (1399/1399), done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AreebSiddiqui/rust-futures" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/AreebSiddiqui/rust-futures"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/AreebSiddiqui/rust-futures'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  81% (1144/1399)   
Checking out files:  82% (1148/1399)   
Checking out files:  83% (1162/1399)   
Checking out files:  84% (1176/1399)   
Checking out files:  85% (1190/1399)   
Checking out files:  86% (1204/1399)   
Checking out files:  87% (1218/1399)   
Checking out files:  88% (1232/1399)   
Checking out files:  89% (1246/1399)   
Checking out files:  90% (1260/1399)   
Checking out files:  91% (1274/1399)   
Checking out files:  92% (1288/1399)   
Checking out files:  93% (1302/1399)   
Checking out files:  94% (1316/1399)   
Checking out files:  95% (1330/1399)   
Checking out files:  96% (1344/1399)   
Checking out files:  97% (1358/1399)   
Checking out files:  98% (1372/1399)   
Checking out files:  99% (1386/1399)   
Checking out files: 100% (1399/1399)   
Checking out files: 100% (1399/1399), done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89598644e39526c039498aabdeb69eac64ef527b
[INFO] sha for GitHub repo AreebSiddiqui/rust-futures: 89598644e39526c039498aabdeb69eac64ef527b
[INFO] validating manifest of AreebSiddiqui/rust-futures on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AreebSiddiqui/rust-futures on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AreebSiddiqui/rust-futures
[INFO] finished frobbing AreebSiddiqui/rust-futures
[INFO] frobbed toml for AreebSiddiqui/rust-futures written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AreebSiddiqui/rust-futures/Cargo.toml
[INFO] started frobbing AreebSiddiqui/rust-futures
[INFO] finished frobbing AreebSiddiqui/rust-futures
[INFO] frobbed toml for AreebSiddiqui/rust-futures written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/AreebSiddiqui/rust-futures/Cargo.toml
[INFO] crate AreebSiddiqui/rust-futures already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AreebSiddiqui/rust-futures against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AreebSiddiqui/rust-futures:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5fea8f69e4d4466e8563bd9a57ab5749140d30f33768e742e42c58ef58dddd36
[INFO] running `"docker" "start" "-a" "5fea8f69e4d4466e8563bd9a57ab5749140d30f33768e742e42c58ef58dddd36"`
[INFO] [stderr]     Checking futures v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:79:35
[INFO] [stderr]    |
[INFO] [stderr] 79 |             3 =>  Ok(Async::Ready((self.count))),
[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 function argument
[INFO] [stderr]   --> src/main.rs:79:35
[INFO] [stderr]    |
[INFO] [stderr] 79 |             3 =>  Ok(Async::Ready((self.count))),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "5fea8f69e4d4466e8563bd9a57ab5749140d30f33768e742e42c58ef58dddd36"`
[INFO] running `"docker" "rm" "-f" "5fea8f69e4d4466e8563bd9a57ab5749140d30f33768e742e42c58ef58dddd36"`
[INFO] [stdout] 5fea8f69e4d4466e8563bd9a57ab5749140d30f33768e742e42c58ef58dddd36