[INFO] fetching crate grubbnet 0.1.3... [INFO] testing grubbnet-0.1.3 against 1.55.0 for beta-1.56-1 [INFO] extracting crate grubbnet 0.1.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate grubbnet 0.1.3 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate grubbnet 0.1.3 [INFO] finished tweaking crates.io crate grubbnet 0.1.3 [INFO] tweaked toml for crates.io crate grubbnet 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate grubbnet 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bcrypt v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 126ccd088116344b36c942b370890efb79a2b765bb5bd02e57419c902e0a7147 [INFO] running `Command { std: "docker" "start" "-a" "126ccd088116344b36c942b370890efb79a2b765bb5bd02e57419c902e0a7147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "126ccd088116344b36c942b370890efb79a2b765bb5bd02e57419c902e0a7147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "126ccd088116344b36c942b370890efb79a2b765bb5bd02e57419c902e0a7147", kill_on_drop: false }` [INFO] [stdout] 126ccd088116344b36c942b370890efb79a2b765bb5bd02e57419c902e0a7147 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 84353401c473cf6752b124ee5c716a553ff0418c6173b9a7e8bb72d08b019b5e [INFO] running `Command { std: "docker" "start" "-a" "84353401c473cf6752b124ee5c716a553ff0418c6173b9a7e8bb72d08b019b5e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling grubbnet v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.98s [INFO] running `Command { std: "docker" "inspect" "84353401c473cf6752b124ee5c716a553ff0418c6173b9a7e8bb72d08b019b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84353401c473cf6752b124ee5c716a553ff0418c6173b9a7e8bb72d08b019b5e", kill_on_drop: false }` [INFO] [stdout] 84353401c473cf6752b124ee5c716a553ff0418c6173b9a7e8bb72d08b019b5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b925b97cbf804ce5b1a5925645c17039f3b381ba4cf9b45f4138e6ad4ad53e8d [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" "b925b97cbf804ce5b1a5925645c17039f3b381ba4cf9b45f4138e6ad4ad53e8d", kill_on_drop: false }` [INFO] [stderr] Compiling grubbnet v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0053]: method `serialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_client.rs:15:28 [INFO] [stdout] | [INFO] [stdout] 15 | fn serialize(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `Vec` [INFO] [stdout] | help: change the output type to match the trait: `Result, grubbnet::Error>` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&PingPacket) -> Result, grubbnet::Error>` [INFO] [stdout] found fn pointer `fn(&PingPacket) -> Vec<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `deserialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_client.rs:22:37 [INFO] [stdout] | [INFO] [stdout] 22 | fn deserialize(_data: &[u8]) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `PingPacket` [INFO] [stdout] | help: change the output type to match the trait: `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&[u8]) -> Result` [INFO] [stdout] found fn pointer `fn(&[u8]) -> PingPacket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `serialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_client.rs:43:28 [INFO] [stdout] | [INFO] [stdout] 43 | fn serialize(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `Vec` [INFO] [stdout] | help: change the output type to match the trait: `Result, grubbnet::Error>` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&PongPacket) -> Result, grubbnet::Error>` [INFO] [stdout] found fn pointer `fn(&PongPacket) -> Vec<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `deserialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_client.rs:47:36 [INFO] [stdout] | [INFO] [stdout] 47 | fn deserialize(data: &[u8]) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `PongPacket` [INFO] [stdout] | help: change the output type to match the trait: `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&[u8]) -> Result` [INFO] [stdout] found fn pointer `fn(&[u8]) -> PongPacket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `serialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_server.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | fn serialize(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `Vec` [INFO] [stdout] | help: change the output type to match the trait: `Result, grubbnet::Error>` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&PingPacket) -> Result, grubbnet::Error>` [INFO] [stdout] found fn pointer `fn(&PingPacket) -> Vec<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `deserialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_server.rs:20:36 [INFO] [stdout] | [INFO] [stdout] 20 | fn deserialize(data: &[u8]) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `PingPacket` [INFO] [stdout] | help: change the output type to match the trait: `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&[u8]) -> Result` [INFO] [stdout] found fn pointer `fn(&[u8]) -> PingPacket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `serialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_server.rs:44:28 [INFO] [stdout] | [INFO] [stdout] 44 | fn serialize(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `Vec` [INFO] [stdout] | help: change the output type to match the trait: `Result, grubbnet::Error>` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&PongPacket) -> Result, grubbnet::Error>` [INFO] [stdout] found fn pointer `fn(&PongPacket) -> Vec<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `deserialize` has an incompatible type for trait [INFO] [stdout] --> examples/simple_server.rs:51:37 [INFO] [stdout] | [INFO] [stdout] 51 | fn deserialize(_data: &[u8]) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Result`, found struct `PongPacket` [INFO] [stdout] | help: change the output type to match the trait: `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&[u8]) -> Result` [INFO] [stdout] found fn pointer `fn(&[u8]) -> PongPacket` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0609]: no field `msg` on type `Result` [INFO] [stdout] --> examples/simple_client.rs:102:53 [INFO] [stdout] | [INFO] [stdout] 102 | println!("Got pong: {}", packet.msg); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0609]: no field `msg` on type `Result` [INFO] [stdout] --> examples/simple_server.rs:112:77 [INFO] [stdout] | [INFO] [stdout] 112 | println!("Got ping from client {}: {}", token.0, packet.msg); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0609. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> examples/simple_server.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 69 | / loop { [INFO] [stdout] 70 | | // Sleep for a lil bit so we don't hog the CPU [INFO] [stdout] 71 | | std::thread::sleep(std::time::Duration::from_millis(100)); [INFO] [stdout] 72 | | [INFO] [stdout] ... | [INFO] [stdout] 132 | | } [INFO] [stdout] 133 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 134 | [INFO] [stdout] 135 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0609. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `grubbnet` due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b925b97cbf804ce5b1a5925645c17039f3b381ba4cf9b45f4138e6ad4ad53e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b925b97cbf804ce5b1a5925645c17039f3b381ba4cf9b45f4138e6ad4ad53e8d", kill_on_drop: false }` [INFO] [stdout] b925b97cbf804ce5b1a5925645c17039f3b381ba4cf9b45f4138e6ad4ad53e8d