[INFO] updating cached repository https://github.com/AreebSiddiqui/rust-futures
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] testing AreebSiddiqui/rust-futures against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FAreebSiddiqui%2Frust-futures" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/AreebSiddiqui/rust-futures on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/AreebSiddiqui/rust-futures already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e00d35e457769c276a136144b90c21bcc498833b15523d5ac48eaf2656b63f28
[INFO] running `"docker" "start" "-a" "e00d35e457769c276a136144b90c21bcc498833b15523d5ac48eaf2656b63f28"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "e00d35e457769c276a136144b90c21bcc498833b15523d5ac48eaf2656b63f28"`
[INFO] running `"docker" "rm" "-f" "e00d35e457769c276a136144b90c21bcc498833b15523d5ac48eaf2656b63f28"`
[INFO] [stdout] e00d35e457769c276a136144b90c21bcc498833b15523d5ac48eaf2656b63f28
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 422d5c76b598184ca0ebd008afb40a0735f2597d3e1c0d714abaa88730dcea3c
[INFO] running `"docker" "start" "-a" "422d5c76b598184ca0ebd008afb40a0735f2597d3e1c0d714abaa88730dcea3c"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "422d5c76b598184ca0ebd008afb40a0735f2597d3e1c0d714abaa88730dcea3c"`
[INFO] running `"docker" "rm" "-f" "422d5c76b598184ca0ebd008afb40a0735f2597d3e1c0d714abaa88730dcea3c"`
[INFO] [stdout] 422d5c76b598184ca0ebd008afb40a0735f2597d3e1c0d714abaa88730dcea3c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 371c1ef5a1ce2ae4a8de45faf9d47dbfdd28eaf385e99ceafc2d8c8cf3ad1592
[INFO] running `"docker" "start" "-a" "371c1ef5a1ce2ae4a8de45faf9d47dbfdd28eaf385e99ceafc2d8c8cf3ad1592"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures-a067835dd491cf83
[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" "371c1ef5a1ce2ae4a8de45faf9d47dbfdd28eaf385e99ceafc2d8c8cf3ad1592"`
[INFO] running `"docker" "rm" "-f" "371c1ef5a1ce2ae4a8de45faf9d47dbfdd28eaf385e99ceafc2d8c8cf3ad1592"`
[INFO] [stdout] 371c1ef5a1ce2ae4a8de45faf9d47dbfdd28eaf385e99ceafc2d8c8cf3ad1592