[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 beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Frust-memcached" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirugan/rust-memcached on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-28/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f46fcb4993f6f69666698bfef0b5071df6f6fcdb3c32034bb742864389b4dec5 [INFO] running `Command { std: "docker" "start" "-a" "f46fcb4993f6f69666698bfef0b5071df6f6fcdb3c32034bb742864389b4dec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f46fcb4993f6f69666698bfef0b5071df6f6fcdb3c32034bb742864389b4dec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f46fcb4993f6f69666698bfef0b5071df6f6fcdb3c32034bb742864389b4dec5", kill_on_drop: false }` [INFO] [stdout] f46fcb4993f6f69666698bfef0b5071df6f6fcdb3c32034bb742864389b4dec5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddcae1dba9606d0028d62405f6217fa96c849cca903c4484062ceed0f1b309fc [INFO] running `Command { std: "docker" "start" "-a" "ddcae1dba9606d0028d62405f6217fa96c849cca903c4484062ceed0f1b309fc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling futures v0.1.25 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.3 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling smallvec v0.6.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling crossbeam-epoch v0.7.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling tokio-executor v0.1.5 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling tokio-current-thread v0.1.4 [INFO] [stderr] Compiling tokio-timer v0.2.8 [INFO] [stderr] Compiling tokio-io v0.1.10 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling tokio-reactor v0.1.7 [INFO] [stderr] Compiling tokio-threadpool v0.1.9 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.4 [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 ` 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] = note: expected unit type `()` [INFO] [stdout] found tuple `(tokio::net::TcpStream, [u8; 255], usize)` [INFO] [stdout] note: required by a bound in `tokio::spawn` [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 + 'static + Send [INFO] [stdout] | ^^^^^^^^^ required by this bound in `tokio::spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving ` 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] note: required by a bound in `tokio::spawn` [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 + '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` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "ddcae1dba9606d0028d62405f6217fa96c849cca903c4484062ceed0f1b309fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddcae1dba9606d0028d62405f6217fa96c849cca903c4484062ceed0f1b309fc", kill_on_drop: false }` [INFO] [stdout] ddcae1dba9606d0028d62405f6217fa96c849cca903c4484062ceed0f1b309fc