[INFO] cloning repository https://github.com/tjz101/mqtt-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjz101/mqtt-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba121ee7b6ccd43472423c0e2a927f94436b014b [INFO] checking tjz101/mqtt-test against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tjz101/mqtt-test on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tjz101/mqtt-test [INFO] finished tweaking git repo https://github.com/tjz101/mqtt-test [INFO] tweaked toml for git repo https://github.com/tjz101/mqtt-test written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tjz101/mqtt-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded actix_derive v0.6.0 [INFO] [stderr] Downloaded event-listener v2.5.2 [INFO] [stderr] Downloaded async-channel v1.6.1 [INFO] [stderr] Downloaded actix-rt v2.7.0 [INFO] [stderr] Downloaded actix v0.13.0 [INFO] [stderr] Downloaded paho-mqtt v0.10.0 [INFO] [stderr] Downloaded paho-mqtt-sys v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c7b5125323902a3c40c235ff18a9abd65e59811618235b477744880e9299d9e [INFO] running `Command { std: "docker" "start" "-a" "5c7b5125323902a3c40c235ff18a9abd65e59811618235b477744880e9299d9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c7b5125323902a3c40c235ff18a9abd65e59811618235b477744880e9299d9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c7b5125323902a3c40c235ff18a9abd65e59811618235b477744880e9299d9e", kill_on_drop: false }` [INFO] [stdout] 5c7b5125323902a3c40c235ff18a9abd65e59811618235b477744880e9299d9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 798c690a754e0c821e6c5f6520bb1787b1385a8f06314bfe2b9c5d4e62106d6c [INFO] running `Command { std: "docker" "start" "-a" "798c690a754e0c821e6c5f6520bb1787b1385a8f06314bfe2b9c5d4e62106d6c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling paho-mqtt-sys v0.6.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling actix_derive v0.6.0 [INFO] [stderr] Checking tokio v1.18.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking paho-mqtt v0.10.0 [INFO] [stderr] Checking actix-rt v2.7.0 [INFO] [stderr] Checking tokio-util v0.7.1 [INFO] [stderr] Checking actix v0.13.0 [INFO] [stderr] Checking mqtt-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/recv_actor.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Process { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 16 | pub fn new(reply_addr: Addr) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/recv_actor.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl RecvActor { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 41 | pub fn new(process: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/reply_actor.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ReplyActor { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 12 | pub fn new(client: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rx` is never read [INFO] [stdout] --> src/client/mqtt_client.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct MqttClient { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 13 | cli: mqtt::Client, [INFO] [stdout] 14 | rx: mqtt::Receiver>, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `subscribe`, and `try_reconnect` are never used [INFO] [stdout] --> src/client/mqtt_client.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 17 | impl MqttClient { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 18 | pub async fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub async fn subscribe(&self, topic: &str, qos: i32, recv_addr: Arc>) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | async fn try_reconnect(&self, topic: &str, qos: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/recv_actor.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Process { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 16 | pub fn new(reply_addr: Addr) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/recv_actor.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl RecvActor { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 41 | pub fn new(process: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/reply_actor.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ReplyActor { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 12 | pub fn new(client: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rx` is never read [INFO] [stdout] --> src/client/mqtt_client.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct MqttClient { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 13 | cli: mqtt::Client, [INFO] [stdout] 14 | rx: mqtt::Receiver>, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `subscribe`, and `try_reconnect` are never used [INFO] [stdout] --> src/client/mqtt_client.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 17 | impl MqttClient { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 18 | pub async fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub async fn subscribe(&self, topic: &str, qos: i32, recv_addr: Arc>) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | async fn try_reconnect(&self, topic: &str, qos: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.89s [INFO] running `Command { std: "docker" "inspect" "798c690a754e0c821e6c5f6520bb1787b1385a8f06314bfe2b9c5d4e62106d6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "798c690a754e0c821e6c5f6520bb1787b1385a8f06314bfe2b9c5d4e62106d6c", kill_on_drop: false }` [INFO] [stdout] 798c690a754e0c821e6c5f6520bb1787b1385a8f06314bfe2b9c5d4e62106d6c [INFO] checking tjz101/mqtt-test against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tjz101/mqtt-test on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tjz101/mqtt-test [INFO] finished tweaking git repo https://github.com/tjz101/mqtt-test [INFO] tweaked toml for git repo https://github.com/tjz101/mqtt-test written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tjz101/mqtt-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fbcc2006aa0ae8788485833c75c7a3425a5137db931351b62061e888ad84da4d [INFO] running `Command { std: "docker" "start" "-a" "fbcc2006aa0ae8788485833c75c7a3425a5137db931351b62061e888ad84da4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fbcc2006aa0ae8788485833c75c7a3425a5137db931351b62061e888ad84da4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbcc2006aa0ae8788485833c75c7a3425a5137db931351b62061e888ad84da4d", kill_on_drop: false }` [INFO] [stdout] fbcc2006aa0ae8788485833c75c7a3425a5137db931351b62061e888ad84da4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6b7cc67ab3f497305ae00a9ec3b3d7b435df7170db3ddcacd6816c9e6c7ccd6 [INFO] running `Command { std: "docker" "start" "-a" "b6b7cc67ab3f497305ae00a9ec3b3d7b435df7170db3ddcacd6816c9e6c7ccd6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling paho-mqtt-sys v0.6.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling actix_derive v0.6.0 [INFO] [stderr] Checking tokio v1.18.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking paho-mqtt v0.10.0 [INFO] [stderr] Checking tokio-util v0.7.1 [INFO] [stderr] Checking actix-rt v2.7.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/paho-mqtt-0.10.0/src/topic.rs:439:13 [INFO] [stdout] | [INFO] [stdout] 439 | Err(Error::BadTopicFilter)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 439 | Err::(Error::BadTopicFilter)?; [INFO] [stdout] | ++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking actix v0.13.0 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `paho-mqtt` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b6b7cc67ab3f497305ae00a9ec3b3d7b435df7170db3ddcacd6816c9e6c7ccd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6b7cc67ab3f497305ae00a9ec3b3d7b435df7170db3ddcacd6816c9e6c7ccd6", kill_on_drop: false }` [INFO] [stdout] b6b7cc67ab3f497305ae00a9ec3b3d7b435df7170db3ddcacd6816c9e6c7ccd6