[INFO] updating cached repository AreebSiddiqui/rust-futures [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AreebSiddiqui/rust-futures [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AreebSiddiqui/rust-futures" "work/ex/beta-1.37-6/sources/1.36.0/gh/AreebSiddiqui/rust-futures"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/AreebSiddiqui/rust-futures'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AreebSiddiqui/rust-futures" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AreebSiddiqui/rust-futures"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AreebSiddiqui/rust-futures'... [INFO] [stderr] 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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AreebSiddiqui/rust-futures on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/AreebSiddiqui/rust-futures/Cargo.toml [INFO] crate AreebSiddiqui/rust-futures already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing AreebSiddiqui/rust-futures against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AreebSiddiqui/rust-futures:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 34db7024b15d3ae4a308f6e60a688a2b5a83e60331592e1bb6ea011e7d07a94a [INFO] running `"docker" "start" "-a" "34db7024b15d3ae4a308f6e60a688a2b5a83e60331592e1bb6ea011e7d07a94a"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `"docker" "inspect" "34db7024b15d3ae4a308f6e60a688a2b5a83e60331592e1bb6ea011e7d07a94a"` [INFO] running `"docker" "rm" "-f" "34db7024b15d3ae4a308f6e60a688a2b5a83e60331592e1bb6ea011e7d07a94a"` [INFO] [stdout] 34db7024b15d3ae4a308f6e60a688a2b5a83e60331592e1bb6ea011e7d07a94a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AreebSiddiqui/rust-futures:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 4c4d4eea49bc50fad858feb4df244a7bbc7340503ba63fdb9c4d626a5d7e28d9 [INFO] running `"docker" "start" "-a" "4c4d4eea49bc50fad858feb4df244a7bbc7340503ba63fdb9c4d626a5d7e28d9"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `"docker" "inspect" "4c4d4eea49bc50fad858feb4df244a7bbc7340503ba63fdb9c4d626a5d7e28d9"` [INFO] running `"docker" "rm" "-f" "4c4d4eea49bc50fad858feb4df244a7bbc7340503ba63fdb9c4d626a5d7e28d9"` [INFO] [stdout] 4c4d4eea49bc50fad858feb4df244a7bbc7340503ba63fdb9c4d626a5d7e28d9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/AreebSiddiqui/rust-futures:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 4960684946e8a05c076ded69bdb61963ac8b3f8618b004fbb24f5b89cd874a32 [INFO] running `"docker" "start" "-a" "4960684946e8a05c076ded69bdb61963ac8b3f8618b004fbb24f5b89cd874a32"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/futures-36950b884c34fe9b [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" "4960684946e8a05c076ded69bdb61963ac8b3f8618b004fbb24f5b89cd874a32"` [INFO] running `"docker" "rm" "-f" "4960684946e8a05c076ded69bdb61963ac8b3f8618b004fbb24f5b89cd874a32"` [INFO] [stdout] 4960684946e8a05c076ded69bdb61963ac8b3f8618b004fbb24f5b89cd874a32