[INFO] cloning repository https://github.com/tomaszKostur/rust_communicator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomaszKostur/rust_communicator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtomaszKostur%2Frust_communicator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtomaszKostur%2Frust_communicator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b22e836fd4c56dd834150d029a09ef2b0e5783e [INFO] checking tomaszKostur/rust_communicator against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtomaszKostur%2Frust_communicator" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomaszKostur/rust_communicator 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/tomaszKostur/rust_communicator [INFO] finished tweaking git repo https://github.com/tomaszKostur/rust_communicator [INFO] tweaked toml for git repo https://github.com/tomaszKostur/rust_communicator written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/tomaszKostur/rust_communicator 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] 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 2a77a8f160fdaf1a46eb9a94fd4de9665294072c498a9a39f0c5522b736a0bf6 [INFO] running `Command { std: "docker" "start" "-a" "2a77a8f160fdaf1a46eb9a94fd4de9665294072c498a9a39f0c5522b736a0bf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a77a8f160fdaf1a46eb9a94fd4de9665294072c498a9a39f0c5522b736a0bf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a77a8f160fdaf1a46eb9a94fd4de9665294072c498a9a39f0c5522b736a0bf6", kill_on_drop: false }` [INFO] [stdout] 2a77a8f160fdaf1a46eb9a94fd4de9665294072c498a9a39f0c5522b736a0bf6 [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 99b388828d8ac5a61fcdcff8a0bc178dbb9bbcc1994d98cf922664710c7c9141 [INFO] running `Command { std: "docker" "start" "-a" "99b388828d8ac5a61fcdcff8a0bc178dbb9bbcc1994d98cf922664710c7c9141", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.23 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.78 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rmp-serde v0.14.4 [INFO] [stderr] Checking communicator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Interface` [INFO] [stdout] --> src/main.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Interface { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `InterfaceCommands` [INFO] [stdout] --> src/main.rs:31:14 [INFO] [stdout] | [INFO] [stdout] 31 | enum InterfaceCommands { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> src/main.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn start(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `stop` [INFO] [stdout] --> src/main.rs:40:20 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn stop(self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:44:20 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn new(ip_and_port: &str) -> Interface { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TopicWorker` [INFO] [stdout] --> src/main.rs:55:16 [INFO] [stdout] | [INFO] [stdout] 55 | struct TopicWorker { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `topic_loop` [INFO] [stdout] --> src/main.rs:61:16 [INFO] [stdout] | [INFO] [stdout] 61 | fn topic_loop(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `regular_msg_receieve` [INFO] [stdout] --> src/main.rs:77:16 [INFO] [stdout] | [INFO] [stdout] 77 | fn regular_msg_receieve(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `command_handle` [INFO] [stdout] --> src/main.rs:86:16 [INFO] [stdout] | [INFO] [stdout] 86 | fn command_handle(&self, command: InterfaceCommands) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_start_command` [INFO] [stdout] --> src/main.rs:92:16 [INFO] [stdout] | [INFO] [stdout] 92 | fn handle_start_command(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `handle_incoming_message` [INFO] [stdout] --> src/main.rs:95:16 [INFO] [stdout] | [INFO] [stdout] 95 | fn handle_incoming_message(&mut self, mut stream: TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | self.command_pipe.send(InterfaceCommands::Start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | self.command_pipe.send(InterfaceCommands::Stop); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | self.topic_thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | self.command_pipe.send(InterfaceCommands::Start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | self.command_pipe.send(InterfaceCommands::Stop); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | self.topic_thread.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.42s [INFO] running `Command { std: "docker" "inspect" "99b388828d8ac5a61fcdcff8a0bc178dbb9bbcc1994d98cf922664710c7c9141", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99b388828d8ac5a61fcdcff8a0bc178dbb9bbcc1994d98cf922664710c7c9141", kill_on_drop: false }` [INFO] [stdout] 99b388828d8ac5a61fcdcff8a0bc178dbb9bbcc1994d98cf922664710c7c9141