[INFO] fetching crate unmp-protocol-raw 0.1.0...
[INFO] checking unmp-protocol-raw-0.1.0 against beta for pr-78714
[INFO] extracting crate unmp-protocol-raw 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unmp-protocol-raw 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmp-protocol-raw 0.1.0
[INFO] finished tweaking crates.io crate unmp-protocol-raw 0.1.0
[INFO] tweaked toml for crates.io crate unmp-protocol-raw 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5613343065c3c95156150374fb8b574f5d21c3f191e9735b1e8de0f517189a4
[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" "e5613343065c3c95156150374fb8b574f5d21c3f191e9735b1e8de0f517189a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5613343065c3c95156150374fb8b574f5d21c3f191e9735b1e8de0f517189a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5613343065c3c95156150374fb8b574f5d21c3f191e9735b1e8de0f517189a4", kill_on_drop: false }`
[INFO] [stdout] e5613343065c3c95156150374fb8b574f5d21c3f191e9735b1e8de0f517189a4
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdd23aa4ab032af5a327b8acebc3f8dbaab05256c279da73970bbecdc6ae67c3
[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" "bdd23aa4ab032af5a327b8acebc3f8dbaab05256c279da73970bbecdc6ae67c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking unmp v0.1.5
[INFO] [stderr]     Checking unmp-protocol-raw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `recv` is not a member of trait `Protocol`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     fn recv(&self, packet: Packet) {
[INFO] [stdout] 59 | |         let mut cbctx = self.cbctx.lock().unwrap();
[INFO] [stdout] 60 | |         if let Some(ref mut cb) = cbctx.on_recv {
[INFO] [stdout] 61 | |             cb(packet);
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |         }
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Protocol`
[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 E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unmp-protocol-raw`
[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] [stdout] error[E0407]: method `recv` is not a member of trait `Protocol`
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     fn recv(&self, packet: Packet) {
[INFO] [stdout] 59 | |         let mut cbctx = self.cbctx.lock().unwrap();
[INFO] [stdout] 60 | |         if let Some(ref mut cb) = cbctx.on_recv {
[INFO] [stdout] 61 | |             cb(packet);
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |         }
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Protocol`
[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 E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bdd23aa4ab032af5a327b8acebc3f8dbaab05256c279da73970bbecdc6ae67c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd23aa4ab032af5a327b8acebc3f8dbaab05256c279da73970bbecdc6ae67c3", kill_on_drop: false }`
[INFO] [stdout] bdd23aa4ab032af5a327b8acebc3f8dbaab05256c279da73970bbecdc6ae67c3