[INFO] fetching crate puzzle 0.1.0...
[INFO] checking puzzle-0.1.0 against beta for pr-78714
[INFO] extracting crate puzzle 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate puzzle 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate puzzle 0.1.0
[INFO] finished tweaking crates.io crate puzzle 0.1.0
[INFO] tweaked toml for crates.io crate puzzle 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0d006cecd9e560e259b7bf769c82efb4c34c758d3d09b91a9c79f702e788945
[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" "a0d006cecd9e560e259b7bf769c82efb4c34c758d3d09b91a9c79f702e788945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d006cecd9e560e259b7bf769c82efb4c34c758d3d09b91a9c79f702e788945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d006cecd9e560e259b7bf769c82efb4c34c758d3d09b91a9c79f702e788945", kill_on_drop: false }`
[INFO] [stdout] a0d006cecd9e560e259b7bf769c82efb4c34c758d3d09b91a9c79f702e788945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 291e247cdaf423173f1e2385e3e8ada5ed52362b67a0de152640677d29b8c748
[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" "291e247cdaf423173f1e2385e3e8ada5ed52362b67a0de152640677d29b8c748", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: In file included from vendor/src/puzzle.c:3:
[INFO] [stderr] warning: vendor/src/puzzle_p.h:6:10: fatal error: gd.h: No such file or directory
[INFO] [stderr] warning:     6 | #include <gd.h>
[INFO] [stderr] warning:       |          ^~~~~~
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `puzzle v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/puzzle-9e15131769915288/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=gd
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "." "-Wall" "-Wextra" "-DHAVE_LIBGD=1" "-o" "/opt/rustwide/target/debug/build/puzzle-8e2842f0c1055231/out/vendor/src/puzzle.o" "-c" "vendor/src/puzzle.c"
[INFO] [stderr]   cargo:warning=In file included from vendor/src/puzzle.c:3:
[INFO] [stderr]   cargo:warning=vendor/src/puzzle_p.h:6:10: fatal error: gd.h: No such file or directory
[INFO] [stderr]   cargo:warning=    6 | #include <gd.h>
[INFO] [stderr]   cargo:warning=      |          ^~~~~~
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "." "-Wall" "-Wextra" "-DHAVE_LIBGD=1" "-o" "/opt/rustwide/target/debug/build/puzzle-8e2842f0c1055231/out/vendor/src/puzzle.o" "-c" "vendor/src/puzzle.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "291e247cdaf423173f1e2385e3e8ada5ed52362b67a0de152640677d29b8c748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291e247cdaf423173f1e2385e3e8ada5ed52362b67a0de152640677d29b8c748", kill_on_drop: false }`
[INFO] [stdout] 291e247cdaf423173f1e2385e3e8ada5ed52362b67a0de152640677d29b8c748