[INFO] updating cached repository https://github.com/AreebSiddiqui/rust-futures [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89598644e39526c039498aabdeb69eac64ef527b [INFO] checking AreebSiddiqui/rust-futures against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAreebSiddiqui%2Frust-futures" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 61% (867/1399) Checking out files: 62% (868/1399) Checking out files: 63% (882/1399) Checking out files: 64% (896/1399) Checking out files: 65% (910/1399) Checking out files: 66% (924/1399) Checking out files: 67% (938/1399) Checking out files: 68% (952/1399) Checking out files: 69% (966/1399) Checking out files: 70% (980/1399) Checking out files: 71% (994/1399) Checking out files: 72% (1008/1399) Checking out files: 72% (1010/1399) Checking out files: 73% (1022/1399) Checking out files: 74% (1036/1399) Checking out files: 75% (1050/1399) Checking out files: 76% (1064/1399) Checking out files: 77% (1078/1399) Checking out files: 78% (1092/1399) Checking out files: 79% (1106/1399) Checking out files: 79% (1109/1399) Checking out files: 80% (1120/1399) Checking out files: 81% (1134/1399) Checking out files: 81% (1136/1399) Checking out files: 82% (1148/1399) Checking out files: 82% (1161/1399) Checking out files: 83% (1162/1399) Checking out files: 84% (1176/1399) Checking out files: 84% (1180/1399) Checking out files: 84% (1183/1399) Checking out files: 85% (1190/1399) Checking out files: 85% (1197/1399) Checking out files: 85% (1198/1399) Checking out files: 86% (1204/1399) Checking out files: 86% (1207/1399) Checking out files: 87% (1218/1399) Checking out files: 87% (1228/1399) Checking out files: 88% (1232/1399) Checking out files: 88% (1236/1399) Checking out files: 89% (1246/1399) Checking out files: 89% (1248/1399) 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 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-8/source/Cargo.toml [INFO] crate git repo https://github.com/AreebSiddiqui/rust-futures already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bbe208ff092be979c1308719ff6e58080926823070afa5cc3995952d2afa6bf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5bbe208ff092be979c1308719ff6e58080926823070afa5cc3995952d2afa6bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bbe208ff092be979c1308719ff6e58080926823070afa5cc3995952d2afa6bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bbe208ff092be979c1308719ff6e58080926823070afa5cc3995952d2afa6bf", kill_on_drop: false }` [INFO] [stdout] 5bbe208ff092be979c1308719ff6e58080926823070afa5cc3995952d2afa6bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3e159fc2e4496edacf4b7f3415dae1ae688cda1cfcfee516fbc7e9840380ba7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b3e159fc2e4496edacf4b7f3415dae1ae688cda1cfcfee516fbc7e9840380ba7", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:79:35 [INFO] [stdout] | [INFO] [stdout] 79 | 3 => Ok(Async::Ready((self.count))), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:79:35 [INFO] [stdout] | [INFO] [stdout] 79 | 3 => Ok(Async::Ready((self.count))), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "b3e159fc2e4496edacf4b7f3415dae1ae688cda1cfcfee516fbc7e9840380ba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3e159fc2e4496edacf4b7f3415dae1ae688cda1cfcfee516fbc7e9840380ba7", kill_on_drop: false }` [INFO] [stdout] b3e159fc2e4496edacf4b7f3415dae1ae688cda1cfcfee516fbc7e9840380ba7