[INFO] updating cached repository https://github.com/kirugan/rust-memcached
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac55e05c260db8fe4297ecab32f4705071d55895
[INFO] testing kirugan/rust-memcached against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Frust-memcached" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirugan/rust-memcached on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kirugan/rust-memcached already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7cf6ee5ef23bccd3bdaa2ea615dccfbeef46f7eb3fb41e2e64e73bef405a978
[INFO] running `"docker" "start" "-a" "f7cf6ee5ef23bccd3bdaa2ea615dccfbeef46f7eb3fb41e2e64e73bef405a978"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 lazy_static v1.2.0
[INFO] [stderr]    Compiling void v1.0.2
[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 arrayvec v0.4.10
[INFO] [stderr]    Compiling lazycell v1.2.1
[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 unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[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] [stderr] error[E0277]: arrays only have std trait implementations for lengths 0..=32
[INFO] [stderr]   --> src/main.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let r = io::read(socket, buff);
[INFO] [stderr]    |                                  ^^^^ the trait `std::array::LengthAtMost32` is not implemented for `[u8; 255]`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-io-0.1.10/src/io/read.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |           T: AsMut<[u8]>
[INFO] [stderr]    |              ----------- required by this bound in `tokio_io::io::read::read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::AsMut<[u8]>` for `[u8; 255]`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<tokio_io::io::read::Read<tokio_tcp::stream::TcpStream, [u8; 255]> as futures::future::Future>::Item == ()`
[INFO] [stderr]    --> src/main.rs:13:9
[INFO] [stderr]     |
[INFO] [stderr] 13  |         tokio::spawn(r);
[INFO] [stderr]     |         ^^^^^^^^^^^^ expected `()`, found tuple
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.13/src/executor/mod.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 | where F: Future<Item = (), Error = ()> + 'static + Send
[INFO] [stderr]     |                 --------- required by this bound in `tokio::executor::spawn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected unit type `()`
[INFO] [stderr]                    found tuple `(tokio_tcp::stream::TcpStream, [u8; 255], usize)`
[INFO] [stderr] 
[INFO] [stderr] error[E0271]: type mismatch resolving `<tokio_io::io::read::Read<tokio_tcp::stream::TcpStream, [u8; 255]> as futures::future::Future>::Error == ()`
[INFO] [stderr]    --> src/main.rs:13:9
[INFO] [stderr]     |
[INFO] [stderr] 13  |         tokio::spawn(r);
[INFO] [stderr]     |         ^^^^^^^^^^^^ expected `()`, found struct `std::io::Error`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.13/src/executor/mod.rs:131:28
[INFO] [stderr]     |
[INFO] [stderr] 131 | where F: Future<Item = (), Error = ()> + 'static + Send
[INFO] [stderr]     |                            ---------- required by this bound in `tokio::executor::spawn`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: arrays only have std trait implementations for lengths 0..=32
[INFO] [stderr]    --> src/main.rs:13:22
[INFO] [stderr]     |
[INFO] [stderr] 13  |         tokio::spawn(r);
[INFO] [stderr]     |                      ^ the trait `std::array::LengthAtMost32` is not implemented for `[u8; 255]`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.13/src/executor/mod.rs:131:10
[INFO] [stderr]     |
[INFO] [stderr] 131 | where F: Future<Item = (), Error = ()> + 'static + Send
[INFO] [stderr]     |          ----------------------------- required by this bound in `tokio::executor::spawn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::convert::AsMut<[u8]>` for `[u8; 255]`
[INFO] [stderr]     = note: required because of the requirements on the impl of `futures::future::Future` for `tokio_io::io::read::Read<tokio_tcp::stream::TcpStream, [u8; 255]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0271, E0277.
[INFO] [stderr] For more information about an error, try `rustc --explain E0271`.
[INFO] [stderr] error: could not compile `rust-memcached`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f7cf6ee5ef23bccd3bdaa2ea615dccfbeef46f7eb3fb41e2e64e73bef405a978"`
[INFO] running `"docker" "rm" "-f" "f7cf6ee5ef23bccd3bdaa2ea615dccfbeef46f7eb3fb41e2e64e73bef405a978"`
[INFO] [stdout] f7cf6ee5ef23bccd3bdaa2ea615dccfbeef46f7eb3fb41e2e64e73bef405a978