[INFO] updating cached repository https://github.com/saibatizoku/neuras
[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] 91f3f919d9b6df4ee9ec89cc0dcdee10553e785d
[INFO] testing saibatizoku/neuras against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaibatizoku%2Fneuras" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saibatizoku/neuras 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/saibatizoku/neuras
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] removed workspace from git repo https://github.com/saibatizoku/neuras
[INFO] finished tweaking git repo https://github.com/saibatizoku/neuras
[INFO] tweaked toml for git repo https://github.com/saibatizoku/neuras written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/saibatizoku/neuras 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] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8e7031edbc88ed234c620b004df9d0af43ab9c82648ec38154c8a4fb337c27e6
[INFO] running `"docker" "start" "-a" "8e7031edbc88ed234c620b004df9d0af43ab9c82648ec38154c8a4fb337c27e6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling neuras v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:146:18
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PollingSocket`, `SocketRecv`
[INFO] [stderr]  --> src/poller.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::socket::{PollingSocket, SocketRecv};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/poller.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/poller.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::Error`
[INFO] [stderr]  --> src/poller.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `Token`
[INFO] [stderr]  --> src/poller.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mio_lib::{Events, Poll, Token};
[INFO] [stderr]   |               ^^^^^^        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/poller.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub actors: Slab<Box<Evented>>,
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/poller.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     context: zmq::Context,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.74s
[INFO] running `"docker" "inspect" "8e7031edbc88ed234c620b004df9d0af43ab9c82648ec38154c8a4fb337c27e6"`
[INFO] running `"docker" "rm" "-f" "8e7031edbc88ed234c620b004df9d0af43ab9c82648ec38154c8a4fb337c27e6"`
[INFO] [stdout] 8e7031edbc88ed234c620b004df9d0af43ab9c82648ec38154c8a4fb337c27e6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba91f2e11432e5852d737781fd2a92c16b9930a41ddd131d905507ca7aaa91bc
[INFO] running `"docker" "start" "-a" "ba91f2e11432e5852d737781fd2a92c16b9930a41ddd131d905507ca7aaa91bc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling neuras v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:146:18
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PollingSocket`, `SocketRecv`
[INFO] [stderr]  --> src/poller.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::socket::{PollingSocket, SocketRecv};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/poller.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/poller.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::Error`
[INFO] [stderr]  --> src/poller.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `Token`
[INFO] [stderr]  --> src/poller.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mio_lib::{Events, Poll, Token};
[INFO] [stderr]   |               ^^^^^^        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/poller.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub actors: Slab<Box<Evented>>,
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/poller.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     context: zmq::Context,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `neuras::poller::Poller`
[INFO] [stderr]  --> tests/poller.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use neuras::poller::Poller;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pipe`
[INFO] [stderr]   --> tests/actorling.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let pipe = actorling.pipe();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pipe`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> examples/actorling.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(unboxed_closures)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/actorling.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     Future<Item = Box<Stream<Error = IoError, Item = ()> + Send>, Error = IoError> + Send;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Box<Stream<Error = IoError, Item = ()> + Send>, Error = IoError> + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/actorling.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |     Future<Item = Box<Stream<Error = IoError, Item = ()> + Send>, Error = IoError> + Send;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Error = IoError, Item = ()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:146:18
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/socket_polling.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let fd = try!(self.as_fd());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PollingSocket`, `SocketRecv`
[INFO] [stderr]  --> src/poller.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::socket::{PollingSocket, SocketRecv};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/poller.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/poller.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::Error`
[INFO] [stderr]  --> src/poller.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use failure::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `Token`
[INFO] [stderr]  --> src/poller.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mio_lib::{Events, Poll, Token};
[INFO] [stderr]   |               ^^^^^^        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/poller.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub actors: Slab<Box<Evented>>,
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Evented`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `neuras`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/poller.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     context: zmq::Context,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ba91f2e11432e5852d737781fd2a92c16b9930a41ddd131d905507ca7aaa91bc"`
[INFO] running `"docker" "rm" "-f" "ba91f2e11432e5852d737781fd2a92c16b9930a41ddd131d905507ca7aaa91bc"`
[INFO] [stdout] ba91f2e11432e5852d737781fd2a92c16b9930a41ddd131d905507ca7aaa91bc