[INFO] fetching crate blinkt_cdev 0.1.0...
[INFO] testing blinkt_cdev-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate blinkt_cdev 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate blinkt_cdev 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-3/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c2a085ec66425abd9064a455576069e8a0a2f838608e83f321837d6133e01e
[INFO] running `Command { std: "docker" "start" "-a" "05c2a085ec66425abd9064a455576069e8a0a2f838608e83f321837d6133e01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c2a085ec66425abd9064a455576069e8a0a2f838608e83f321837d6133e01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c2a085ec66425abd9064a455576069e8a0a2f838608e83f321837d6133e01e", kill_on_drop: false }`
[INFO] [stdout] 05c2a085ec66425abd9064a455576069e8a0a2f838608e83f321837d6133e01e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768f97c7a062a894d47a306f08c24503ed8cdf35be118e25f54df3ab9ce756a4
[INFO] running `Command { std: "docker" "start" "-a" "768f97c7a062a894d47a306f08c24503ed8cdf35be118e25f54df3ab9ce756a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling gpio-cdev v0.4.0
[INFO] [stderr]    Compiling blinkt_cdev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `rgb`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn rgb(&self) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "768f97c7a062a894d47a306f08c24503ed8cdf35be118e25f54df3ab9ce756a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768f97c7a062a894d47a306f08c24503ed8cdf35be118e25f54df3ab9ce756a4", kill_on_drop: false }`
[INFO] [stdout] 768f97c7a062a894d47a306f08c24503ed8cdf35be118e25f54df3ab9ce756a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f510700d0ea679d9c375b41e3d1dd4455dc70a93b4601afe41750cbd96df8ea
[INFO] running `Command { std: "docker" "start" "-a" "4f510700d0ea679d9c375b41e3d1dd4455dc70a93b4601afe41750cbd96df8ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stdout] warning: associated function is never used: `rgb`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn rgb(&self) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling blinkt_cdev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `rgb`
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn rgb(&self) -> (u8, u8, u8) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.39s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/blinkt_cdev-e4fea62dcfdf7d24)
[INFO] running `Command { std: "docker" "inspect" "4f510700d0ea679d9c375b41e3d1dd4455dc70a93b4601afe41750cbd96df8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f510700d0ea679d9c375b41e3d1dd4455dc70a93b4601afe41750cbd96df8ea", kill_on_drop: false }`
[INFO] [stdout] 4f510700d0ea679d9c375b41e3d1dd4455dc70a93b4601afe41750cbd96df8ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c2251fab74626059da46b824b3001f2e6c18f078de01e59d170835b918fb5e9
[INFO] running `Command { std: "docker" "start" "-a" "5c2251fab74626059da46b824b3001f2e6c18f078de01e59d170835b918fb5e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `rgb`
[INFO] [stderr]   --> src/lib.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn rgb(&self) -> (u8, u8, u8) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/lib.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `blinkt_cdev` (lib) generated 2 warnings
[INFO] [stderr] warning: `blinkt_cdev` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blinkt_cdev-e4fea62dcfdf7d24)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blinkt_cdev
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c2251fab74626059da46b824b3001f2e6c18f078de01e59d170835b918fb5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2251fab74626059da46b824b3001f2e6c18f078de01e59d170835b918fb5e9", kill_on_drop: false }`
[INFO] [stdout] 5c2251fab74626059da46b824b3001f2e6c18f078de01e59d170835b918fb5e9