[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhess%2Fwtf-btn" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lhess/wtf-btn on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-75/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-75/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf46a3859afb675914e0a28900042d585e5f098a759c3a1f8eeefc19cd832181
[INFO] running `Command { std: "docker" "start" "-a" "cf46a3859afb675914e0a28900042d585e5f098a759c3a1f8eeefc19cd832181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf46a3859afb675914e0a28900042d585e5f098a759c3a1f8eeefc19cd832181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf46a3859afb675914e0a28900042d585e5f098a759c3a1f8eeefc19cd832181", kill_on_drop: false }`
[INFO] [stdout] cf46a3859afb675914e0a28900042d585e5f098a759c3a1f8eeefc19cd832181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3feb164ab2137e12602025834fda2eedfdef404fd21be6d4f3f0f02a126cc32f
[INFO] running `Command { std: "docker" "start" "-a" "3feb164ab2137e12602025834fda2eedfdef404fd21be6d4f3f0f02a126cc32f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3feb164ab2137e12602025834fda2eedfdef404fd21be6d4f3f0f02a126cc32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3feb164ab2137e12602025834fda2eedfdef404fd21be6d4f3f0f02a126cc32f", kill_on_drop: false }`
[INFO] [stdout] 3feb164ab2137e12602025834fda2eedfdef404fd21be6d4f3f0f02a126cc32f