[INFO] cloning repository https://github.com/vit1251/rs-co2mon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vit1251/rs-co2mon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvit1251%2Frs-co2mon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvit1251%2Frs-co2mon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56bf0b19a7412d6ef658dc977725d443f02f3aea [INFO] checking vit1251/rs-co2mon against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvit1251%2Frs-co2mon" "/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/vit1251/rs-co2mon 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/vit1251/rs-co2mon [INFO] finished tweaking git repo https://github.com/vit1251/rs-co2mon [INFO] tweaked toml for git repo https://github.com/vit1251/rs-co2mon written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vit1251/rs-co2mon 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 telegraf_derive v0.2.0 [INFO] [stderr] Downloaded telegraf 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] a6e8d4823995b367a2b5e3310ccffd772dac566f12749ecb4de8224df5c66af7 [INFO] running `Command { std: "docker" "start" "-a" "a6e8d4823995b367a2b5e3310ccffd772dac566f12749ecb4de8224df5c66af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6e8d4823995b367a2b5e3310ccffd772dac566f12749ecb4de8224df5c66af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e8d4823995b367a2b5e3310ccffd772dac566f12749ecb4de8224df5c66af7", kill_on_drop: false }` [INFO] [stdout] a6e8d4823995b367a2b5e3310ccffd772dac566f12749ecb4de8224df5c66af7 [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] f652ae03d4ac36eaa11d2b8222c1666118bb53b32d579611b3ec852343fe0deb [INFO] running `Command { std: "docker" "start" "-a" "f652ae03d4ac36eaa11d2b8222c1666118bb53b32d579611b3ec852343fe0deb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking unicode-bidi v0.3.14 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Compiling hidapi v1.2.6 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Compiling telegraf_derive v0.2.0 [INFO] [stderr] Checking telegraf v0.6.0 [INFO] [stderr] Checking rs-co2mon v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `error`, `trace` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use log::{info, trace, warn, debug, error}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `trace` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use log::{info, trace, warn, debug, error}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 119 | / match r0 { [INFO] [stdout] 120 | | CODE_HUMD => { [INFO] [stdout] 121 | | let h = decode_humidity(w); [INFO] [stdout] 122 | | return Some(AirQulityEvent::Humidity{ value: h }); [INFO] [stdout] ... | [INFO] [stdout] 142 | | } [INFO] [stdout] 143 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 144 | [INFO] [stdout] 145 | None [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 119 | / match r0 { [INFO] [stdout] 120 | | CODE_HUMD => { [INFO] [stdout] 121 | | let h = decode_humidity(w); [INFO] [stdout] 122 | | return Some(AirQulityEvent::Humidity{ value: h }); [INFO] [stdout] ... | [INFO] [stdout] 142 | | } [INFO] [stdout] 143 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 144 | [INFO] [stdout] 145 | None [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let result = dev.read_timeout(&mut buf, 5000); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/lib.rs:164:21 [INFO] [stdout] | [INFO] [stdout] 164 | let result = device.send_feature_report(&self.magic_table); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/lib.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let result = dev.read_timeout(&mut buf, 5000); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/lib.rs:164:21 [INFO] [stdout] | [INFO] [stdout] 164 | let result = device.send_feature_report(&self.magic_table); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [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] [stdout] warning: variable `enable_telegraf` is assigned to, but never used [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut enable_telegraf: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_enable_telegraf` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `enable_telegraf` is never read [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | enable_telegraf = true; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut verbose: bool = true; [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `enable_telegraf` is assigned to, but never used [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut enable_telegraf: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_enable_telegraf` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `enable_telegraf` is never read [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | enable_telegraf = true; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut verbose: bool = true; [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.58s [INFO] running `Command { std: "docker" "inspect" "f652ae03d4ac36eaa11d2b8222c1666118bb53b32d579611b3ec852343fe0deb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f652ae03d4ac36eaa11d2b8222c1666118bb53b32d579611b3ec852343fe0deb", kill_on_drop: false }` [INFO] [stdout] f652ae03d4ac36eaa11d2b8222c1666118bb53b32d579611b3ec852343fe0deb