[INFO] fetching crate blinkt_cdev 0.1.0...
[INFO] checking blinkt_cdev-0.1.0 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate blinkt_cdev 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate blinkt_cdev 0.1.0 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blinkt_cdev 0.1.0
[INFO] finished tweaking crates.io crate blinkt_cdev 0.1.0
[INFO] tweaked toml for crates.io crate blinkt_cdev 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate blinkt_cdev 0.1.0 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.34
[INFO] [stderr]   Downloaded gpio-cdev v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f606019c4aab4ef9448a1a84c69c75cea28d9ceb0cf3484fe80122c1de4ef95
[INFO] running `Command { std: "docker" "start" "-a" "0f606019c4aab4ef9448a1a84c69c75cea28d9ceb0cf3484fe80122c1de4ef95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f606019c4aab4ef9448a1a84c69c75cea28d9ceb0cf3484fe80122c1de4ef95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f606019c4aab4ef9448a1a84c69c75cea28d9ceb0cf3484fe80122c1de4ef95", kill_on_drop: false }`
[INFO] [stdout] 0f606019c4aab4ef9448a1a84c69c75cea28d9ceb0cf3484fe80122c1de4ef95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35bda72d617273368207d94845de7d477d403a0e30daf56b143dc0aa05bd7260
[INFO] running `Command { std: "docker" "start" "-a" "35bda72d617273368207d94845de7d477d403a0e30daf56b143dc0aa05bd7260", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking gpio-cdev v0.4.0
[INFO] [stderr]     Checking blinkt_cdev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `rgb` and `clear` are never used
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pixel {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 18 |     pub fn rgb(&self) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rgb` and `clear` are never used
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pixel {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 18 |     pub fn rgb(&self) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 5.36s
[INFO] running `Command { std: "docker" "inspect" "35bda72d617273368207d94845de7d477d403a0e30daf56b143dc0aa05bd7260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bda72d617273368207d94845de7d477d403a0e30daf56b143dc0aa05bd7260", kill_on_drop: false }`
[INFO] [stdout] 35bda72d617273368207d94845de7d477d403a0e30daf56b143dc0aa05bd7260