[INFO] cloning repository https://github.com/lhess/wtf-btn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhess/wtf-btn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhess%2Fwtf-btn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhess%2Fwtf-btn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5615e1d0c4116c4d7e9cdaf26a6579ee5e51e92
[INFO] testing lhess/wtf-btn against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhess%2Fwtf-btn" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lhess/wtf-btn on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking git repo https://github.com/lhess/wtf-btn
[INFO] finished tweaking git repo https://github.com/lhess/wtf-btn
[INFO] tweaked toml for git repo https://github.com/lhess/wtf-btn written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/lhess/wtf-btn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f418ffc636ab8a9bcbdbd8d5a2b78c098098ec8b88e09bac456b6fe29b93d82
[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" "5f418ffc636ab8a9bcbdbd8d5a2b78c098098ec8b88e09bac456b6fe29b93d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f418ffc636ab8a9bcbdbd8d5a2b78c098098ec8b88e09bac456b6fe29b93d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f418ffc636ab8a9bcbdbd8d5a2b78c098098ec8b88e09bac456b6fe29b93d82", kill_on_drop: false }`
[INFO] [stdout] 5f418ffc636ab8a9bcbdbd8d5a2b78c098098ec8b88e09bac456b6fe29b93d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b43aed83e153462af152f2681139fd0d54017bc35622be9cf04d783ae14233
[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" "27b43aed83e153462af152f2681139fd0d54017bc35622be9cf04d783ae14233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling spin_sleep v0.3.5
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling wiringpi v0.2.4
[INFO] [stdout] error: could not find native static library `wiringpi`, perhaps an -L flag is missing?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wiringpi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "27b43aed83e153462af152f2681139fd0d54017bc35622be9cf04d783ae14233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b43aed83e153462af152f2681139fd0d54017bc35622be9cf04d783ae14233", kill_on_drop: false }`
[INFO] [stdout] 27b43aed83e153462af152f2681139fd0d54017bc35622be9cf04d783ae14233