[INFO] cloning repository https://github.com/Max-Meldrum/kompact_template
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Max-Meldrum/kompact_template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-Meldrum%2Fkompact_template"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-Meldrum%2Fkompact_template'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e17b6d2199e2e1f28e186f7c8fc31f32f23a5d5f
[INFO] testing Max-Meldrum/kompact_template against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-Meldrum%2Fkompact_template" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Max-Meldrum/kompact_template on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Max-Meldrum/kompact_template
[INFO] finished tweaking git repo https://github.com/Max-Meldrum/kompact_template
[INFO] tweaked toml for git repo https://github.com/Max-Meldrum/kompact_template written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Max-Meldrum/kompact_template already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] 1bb3770921c253fa73eb5786eb73019a1eecd002b86d23c9c747d784441a0a26
[INFO] running `"docker" "start" "-a" "1bb3770921c253fa73eb5786eb73019a1eecd002b86d23c9c747d784441a0a26"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling bitfields v0.2.0
[INFO] [stderr]    Compiling as_num v0.2.5
[INFO] [stderr]    Compiling oncemutex v0.1.1
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling synchronoise v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling executors v0.4.4
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling spaniel v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-retry v0.2.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling kompact-actor-derive v0.6.0 (https://github.com/kompics/kompact#0d51a9ee)
[INFO] [stderr]    Compiling kompact-component-derive v0.6.0 (https://github.com/kompics/kompact#0d51a9ee)
[INFO] [stderr]    Compiling kompact v0.6.0 (https://github.com/kompics/kompact#0d51a9ee)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/kompact-8e3803f644d2dc0c/0d51a9e/core/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(specialization)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/kompact-8e3803f644d2dc0c/0d51a9e/core/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(unsized_locals)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/kompact-8e3803f644d2dc0c/0d51a9e/core/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(drain_filter)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0520]: `execute_send` specializes an item from a parent `impl`, but that item is not marked `default`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/kompact-8e3803f644d2dc0c/0d51a9e/core/src/component.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |   impl<A: ActorRaw> ExecuteSend for A {}
[INFO] [stderr]     |   -------------------------------------- parent `impl` is here
[INFO] [stderr] ...
[INFO] [stderr] 329 | /     fn execute_send(&mut self, env: DispatchEnvelope) -> () {
[INFO] [stderr] 330 | |         Dispatcher::receive(self, env)
[INFO] [stderr] 331 | |     }
[INFO] [stderr]     | |_____^ cannot specialize default item `execute_send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: to specialize, `execute_send` in the parent `impl` must be marked `default`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0520, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0520`.
[INFO] [stderr] error: could not compile `kompact`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1bb3770921c253fa73eb5786eb73019a1eecd002b86d23c9c747d784441a0a26"`
[INFO] running `"docker" "rm" "-f" "1bb3770921c253fa73eb5786eb73019a1eecd002b86d23c9c747d784441a0a26"`
[INFO] [stdout] 1bb3770921c253fa73eb5786eb73019a1eecd002b86d23c9c747d784441a0a26