[INFO] cloning repository https://github.com/kirugan/rust-memcached
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirugan/rust-memcached" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Frust-memcached", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Frust-memcached'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac55e05c260db8fe4297ecab32f4705071d55895
[INFO] testing kirugan/rust-memcached against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Frust-memcached" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirugan/rust-memcached on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirugan/rust-memcached
[INFO] finished tweaking git repo https://github.com/kirugan/rust-memcached
[INFO] tweaked toml for git repo https://github.com/kirugan/rust-memcached written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kirugan/rust-memcached already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a8c95da77b50a64b2c4cb8d14705a62644f0b23ceb82cff01878ae5d6fa6289
[INFO] running `Command { std: "docker" "start" "-a" "6a8c95da77b50a64b2c4cb8d14705a62644f0b23ceb82cff01878ae5d6fa6289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8c95da77b50a64b2c4cb8d14705a62644f0b23ceb82cff01878ae5d6fa6289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8c95da77b50a64b2c4cb8d14705a62644f0b23ceb82cff01878ae5d6fa6289", kill_on_drop: false }`
[INFO] [stdout] 6a8c95da77b50a64b2c4cb8d14705a62644f0b23ceb82cff01878ae5d6fa6289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d68886a7e2e98b617d85ed450d7fa875b6f2c440c1648155c6110f4c2064eea8
[INFO] running `Command { std: "docker" "start" "-a" "d68886a7e2e98b617d85ed450d7fa875b6f2c440c1648155c6110f4c2064eea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling rust-memcached v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<tokio_io::io::read::Read<tokio::net::TcpStream, [u8; 255]> as tokio::prelude::Future>::Item == ()`
[INFO] [stdout]    --> src/main.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  |         tokio::spawn(r);
[INFO] [stdout]     |         ^^^^^^^^^^^^ expected `()`, found tuple
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.13/src/executor/mod.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 | where F: Future<Item = (), Error = ()> + 'static + Send
[INFO] [stdout]     |                 --------- required by this bound in `tokio::spawn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                    found tuple `(tokio::net::TcpStream, [u8; 255], usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<tokio_io::io::read::Read<tokio::net::TcpStream, [u8; 255]> as tokio::prelude::Future>::Error == ()`
[INFO] [stdout]    --> src/main.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  |         tokio::spawn(r);
[INFO] [stdout]     |         ^^^^^^^^^^^^ expected `()`, found struct `std::io::Error`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.13/src/executor/mod.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 | where F: Future<Item = (), Error = ()> + 'static + Send
[INFO] [stdout]     |                            ---------- required by this bound in `tokio::spawn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-memcached`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d68886a7e2e98b617d85ed450d7fa875b6f2c440c1648155c6110f4c2064eea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68886a7e2e98b617d85ed450d7fa875b6f2c440c1648155c6110f4c2064eea8", kill_on_drop: false }`
[INFO] [stdout] d68886a7e2e98b617d85ed450d7fa875b6f2c440c1648155c6110f4c2064eea8