[INFO] fetching crate light-control 2.0.0... [INFO] checking light-control-2.0.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] extracting crate light-control 2.0.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate light-control 2.0.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate light-control 2.0.0 [INFO] finished tweaking crates.io crate light-control 2.0.0 [INFO] tweaked toml for crates.io crate light-control 2.0.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate light-control 2.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32fca504b0a2f1d0514e563244f2c559f1a34ea152c744332b149aaf2656cafe [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" "32fca504b0a2f1d0514e563244f2c559f1a34ea152c744332b149aaf2656cafe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32fca504b0a2f1d0514e563244f2c559f1a34ea152c744332b149aaf2656cafe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32fca504b0a2f1d0514e563244f2c559f1a34ea152c744332b149aaf2656cafe", kill_on_drop: false }` [INFO] [stdout] 32fca504b0a2f1d0514e563244f2c559f1a34ea152c744332b149aaf2656cafe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5872c6ef5678a9cc4ec1f9581a8cedd56a2762935ecf69b971d97b6bb90576c9 [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" "5872c6ef5678a9cc4ec1f9581a8cedd56a2762935ecf69b971d97b6bb90576c9", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.29 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling cmake v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling paho-mqtt-sys v0.2.1 [INFO] [stderr] Checking futures-timer v0.1.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking paho-mqtt v0.6.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.110 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking light-control v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `instant` [INFO] [stdout] --> src/strategy.rs:597:13 [INFO] [stdout] | [INFO] [stdout] 597 | let instant = instant_from_the_past(12); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instant` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | mqtt_client.cli.publish(message); [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:135:21 [INFO] [stdout] | [INFO] [stdout] 135 | / replay_sender.send(ReplayMessage { [INFO] [stdout] 136 | | topic: topic.to_string(), [INFO] [stdout] 137 | | payload: payload_str.to_string(), [INFO] [stdout] 138 | | }); [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:174:37 [INFO] [stdout] | [INFO] [stdout] 174 | / ... change_sender [INFO] [stdout] 175 | | ... .send(UpdateMessage::SwitchChange(Instant::now(), content)); [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:181:37 [INFO] [stdout] | [INFO] [stdout] 181 | / ... change_sender [INFO] [stdout] 182 | | ... .send(UpdateMessage::SensorChange(Instant::now(), content)); [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:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | ping_sender.send(UpdateMessage::Ping); [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:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | deinit_sender.send(UpdateMessage::Deinit(instant)); [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:224:13 [INFO] [stdout] | [INFO] [stdout] 224 | mqtt_client.cli.publish(mqtt_message); [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:256:21 [INFO] [stdout] | [INFO] [stdout] 256 | publish_sender.send(switch_command); [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:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | publish_sender.send(switch_command); [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/replay.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | write!(file, "#!/usr/bin/env bash\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | / write!( [INFO] [stdout] 27 | | file, [INFO] [stdout] 28 | | "# replay_script for configuration {}\n", [INFO] [stdout] 29 | | configuration_output.to_str().unwrap() [INFO] [stdout] 30 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | / write!( [INFO] [stdout] 32 | | file, [INFO] [stdout] 33 | | r#" [INFO] [stdout] 34 | | function sleep_for_some_seconds(){{ [INFO] [stdout] ... | [INFO] [stdout] 46 | | configuration.credentials.password [INFO] [stdout] 47 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / write!( [INFO] [stdout] 56 | | self.replay_script_output, [INFO] [stdout] 57 | | "sleep_for_some_seconds({})\n", [INFO] [stdout] 58 | | self.instant.elapsed().as_secs() [INFO] [stdout] 59 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | / write!( [INFO] [stdout] 61 | | self.replay_script_output, [INFO] [stdout] 62 | | "publish '{}' '{}'\n", [INFO] [stdout] 63 | | topic, payload [INFO] [stdout] 64 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/strategy.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut sensors = strategy.room_sensors.get_mut("room1").unwrap(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | mqtt_client.cli.publish(message); [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:135:21 [INFO] [stdout] | [INFO] [stdout] 135 | / replay_sender.send(ReplayMessage { [INFO] [stdout] 136 | | topic: topic.to_string(), [INFO] [stdout] 137 | | payload: payload_str.to_string(), [INFO] [stdout] 138 | | }); [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:174:37 [INFO] [stdout] | [INFO] [stdout] 174 | / ... change_sender [INFO] [stdout] 175 | | ... .send(UpdateMessage::SwitchChange(Instant::now(), content)); [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:181:37 [INFO] [stdout] | [INFO] [stdout] 181 | / ... change_sender [INFO] [stdout] 182 | | ... .send(UpdateMessage::SensorChange(Instant::now(), content)); [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:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | ping_sender.send(UpdateMessage::Ping); [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:206:9 [INFO] [stdout] | [INFO] [stdout] 206 | deinit_sender.send(UpdateMessage::Deinit(instant)); [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:224:13 [INFO] [stdout] | [INFO] [stdout] 224 | mqtt_client.cli.publish(mqtt_message); [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:256:21 [INFO] [stdout] | [INFO] [stdout] 256 | publish_sender.send(switch_command); [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:262:13 [INFO] [stdout] | [INFO] [stdout] 262 | publish_sender.send(switch_command); [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/replay.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | write!(file, "#!/usr/bin/env bash\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | / write!( [INFO] [stdout] 27 | | file, [INFO] [stdout] 28 | | "# replay_script for configuration {}\n", [INFO] [stdout] 29 | | configuration_output.to_str().unwrap() [INFO] [stdout] 30 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | / write!( [INFO] [stdout] 32 | | file, [INFO] [stdout] 33 | | r#" [INFO] [stdout] 34 | | function sleep_for_some_seconds(){{ [INFO] [stdout] ... | [INFO] [stdout] 46 | | configuration.credentials.password [INFO] [stdout] 47 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / write!( [INFO] [stdout] 56 | | self.replay_script_output, [INFO] [stdout] 57 | | "sleep_for_some_seconds({})\n", [INFO] [stdout] 58 | | self.instant.elapsed().as_secs() [INFO] [stdout] 59 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/replay.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | / write!( [INFO] [stdout] 61 | | self.replay_script_output, [INFO] [stdout] 62 | | "publish '{}' '{}'\n", [INFO] [stdout] 63 | | topic, payload [INFO] [stdout] 64 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 14s [INFO] running `Command { std: "docker" "inspect" "5872c6ef5678a9cc4ec1f9581a8cedd56a2762935ecf69b971d97b6bb90576c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5872c6ef5678a9cc4ec1f9581a8cedd56a2762935ecf69b971d97b6bb90576c9", kill_on_drop: false }` [INFO] [stdout] 5872c6ef5678a9cc4ec1f9581a8cedd56a2762935ecf69b971d97b6bb90576c9