[INFO] fetching crate hoymiles-rs 1.2.1...
[INFO] checking hoymiles-rs-1.2.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate hoymiles-rs 1.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate hoymiles-rs 1.2.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hoymiles-rs 1.2.1
[INFO] finished tweaking crates.io crate hoymiles-rs 1.2.1
[INFO] tweaked toml for crates.io crate hoymiles-rs 1.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate hoymiles-rs 1.2.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded prost-derive v0.9.0
[INFO] [stderr]   Downloaded prost v0.9.0
[INFO] [stderr]   Downloaded parking_lot v0.12.2
[INFO] [stderr]   Downloaded syn v2.0.64
[INFO] [stderr]   Downloaded prost-build v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b88b4899e181db8abe0ce0fb907988f7fb5283cf998aae702cacc3f679a19fc1
[INFO] running `Command { std: "docker" "start" "-a" "b88b4899e181db8abe0ce0fb907988f7fb5283cf998aae702cacc3f679a19fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b88b4899e181db8abe0ce0fb907988f7fb5283cf998aae702cacc3f679a19fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88b4899e181db8abe0ce0fb907988f7fb5283cf998aae702cacc3f679a19fc1", kill_on_drop: false }`
[INFO] [stdout] b88b4899e181db8abe0ce0fb907988f7fb5283cf998aae702cacc3f679a19fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e47ea0a4b2733b201260b774cce096a9eafe596399bb0eb4ae526d5657256d0
[INFO] running `Command { std: "docker" "start" "-a" "4e47ea0a4b2733b201260b774cce096a9eafe596399bb0eb4ae526d5657256d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
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[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling hoymiles-rs v1.2.1 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: for loop over a `&Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/components/power/mod.rs:39:39
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         for record in &power_data {
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         while let Ok(record) = &power_data {
[INFO] [stdout]    |                         ~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         if let Ok(record) = &power_data {
[INFO] [stdout]    |                         ~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/components/power/mod.rs:39:39
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         for record in &power_data {
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         while let Ok(record) = &power_data {
[INFO] [stdout]    |                         ~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         if let Ok(record) = &power_data {
[INFO] [stdout]    |                         ~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.95s
[INFO] running `Command { std: "docker" "inspect" "4e47ea0a4b2733b201260b774cce096a9eafe596399bb0eb4ae526d5657256d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e47ea0a4b2733b201260b774cce096a9eafe596399bb0eb4ae526d5657256d0", kill_on_drop: false }`
[INFO] [stdout] 4e47ea0a4b2733b201260b774cce096a9eafe596399bb0eb4ae526d5657256d0