[INFO] updating cached repository https://github.com/AreebSiddiqui/rust-futures
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89598644e39526c039498aabdeb69eac64ef527b
[INFO] checking AreebSiddiqui/rust-futures against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAreebSiddiqui%2Frust-futures" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  81% (1137/1399)   
Checking out files:  82% (1148/1399)   
Checking out files:  83% (1162/1399)   
Checking out files:  83% (1164/1399)   
Checking out files:  84% (1176/1399)   
Checking out files:  85% (1190/1399)   
Checking out files:  85% (1197/1399)   
Checking out files:  85% (1198/1399)   
Checking out files:  85% (1202/1399)   
Checking out files:  86% (1204/1399)   
Checking out files:  86% (1214/1399)   
Checking out files:  87% (1218/1399)   
Checking out files:  87% (1224/1399)   
Checking out files:  88% (1232/1399)   
Checking out files:  88% (1238/1399)   
Checking out files:  88% (1245/1399)   
Checking out files:  89% (1246/1399)   
Checking out files:  89% (1248/1399)   
Checking out files:  89% (1251/1399)   
Checking out files:  89% (1253/1399)   
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] validating manifest of git repo https://github.com/AreebSiddiqui/rust-futures on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AreebSiddiqui/rust-futures
[INFO] finished tweaking git repo https://github.com/AreebSiddiqui/rust-futures
[INFO] tweaked toml for git repo https://github.com/AreebSiddiqui/rust-futures written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/AreebSiddiqui/rust-futures already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34a033935a52873bb02968f6bcc07dbeff6c38187009194d2b94a7609f46d2a0
[INFO] running `"docker" "start" "-a" "34a033935a52873bb02968f6bcc07dbeff6c38187009194d2b94a7609f46d2a0"`
[INFO] [stderr]     Checking futures v0.1.0 (/opt/rustwide/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 0.80s
[INFO] running `"docker" "inspect" "34a033935a52873bb02968f6bcc07dbeff6c38187009194d2b94a7609f46d2a0"`
[INFO] running `"docker" "rm" "-f" "34a033935a52873bb02968f6bcc07dbeff6c38187009194d2b94a7609f46d2a0"`
[INFO] [stdout] 34a033935a52873bb02968f6bcc07dbeff6c38187009194d2b94a7609f46d2a0