[INFO] cloning repository https://github.com/Max-Meldrum/kompact_template
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-Meldrum%2Fkompact_template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e17b6d2199e2e1f28e186f7c8fc31f32f23a5d5f
[INFO] checking Max-Meldrum/kompact_template against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMax-Meldrum%2Fkompact_template" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Max-Meldrum/kompact_template on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f53c536cb3321af031f2635404615e780c745c7bbd9ee2053e3938477ac5d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9f53c536cb3321af031f2635404615e780c745c7bbd9ee2053e3938477ac5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f53c536cb3321af031f2635404615e780c745c7bbd9ee2053e3938477ac5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f53c536cb3321af031f2635404615e780c745c7bbd9ee2053e3938477ac5d2", kill_on_drop: false }`
[INFO] [stdout] a9f53c536cb3321af031f2635404615e780c745c7bbd9ee2053e3938477ac5d2
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] 422d0f0dfde0bcfddd4b3ec35b0b925cc583a5e0d38ff9cf2a82e1477b7fdd02
[INFO] running `Command { std: "docker" "start" "-a" "422d0f0dfde0bcfddd4b3ec35b0b925cc583a5e0d38ff9cf2a82e1477b7fdd02", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]     Checking as_num v0.2.5
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking bitfields v0.2.0
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking synchronoise v0.4.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking executors v0.4.4
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking spaniel v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]    Compiling kompact-component-derive v0.6.0 (https://github.com/kompics/kompact?branch=master#0d51a9ee)
[INFO] [stderr]    Compiling kompact-actor-derive v0.6.0 (https://github.com/kompics/kompact?branch=master#0d51a9ee)
[INFO] [stderr]     Checking kompact v0.6.0 (https://github.com/kompics/kompact?branch=master#0d51a9ee)
[INFO] [stdout] error[E0520]: `execute_send` specializes an item from a parent `impl`, but that item is not marked `default`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/kompact-8e3803f644d2dc0c/0d51a9e/core/src/component.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 326 |   impl<A: ActorRaw> ExecuteSend for A {}
[INFO] [stdout]     |   -------------------------------------- parent `impl` is here
[INFO] [stdout] ...
[INFO] [stdout] 329 | /     fn execute_send(&mut self, env: DispatchEnvelope) -> () {
[INFO] [stdout] 330 | |         Dispatcher::receive(self, env)
[INFO] [stdout] 331 | |     }
[INFO] [stdout]     | |_____^ cannot specialize default item `execute_send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: to specialize, `execute_send` in the parent `impl` must be marked `default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0520`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kompact`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "422d0f0dfde0bcfddd4b3ec35b0b925cc583a5e0d38ff9cf2a82e1477b7fdd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422d0f0dfde0bcfddd4b3ec35b0b925cc583a5e0d38ff9cf2a82e1477b7fdd02", kill_on_drop: false }`
[INFO] [stdout] 422d0f0dfde0bcfddd4b3ec35b0b925cc583a5e0d38ff9cf2a82e1477b7fdd02