[INFO] fetching crate dashbutton 0.1.0...
[INFO] testing dashbutton-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate dashbutton 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dashbutton 0.1.0 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] started tweaking crates.io crate dashbutton 0.1.0
[INFO] finished tweaking crates.io crate dashbutton 0.1.0
[INFO] tweaked toml for crates.io crate dashbutton 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0bba223a902f0f4bd241ad8924b9397fdf248af671f8b7db6652a978bb7a32a5
[INFO] running `Command { std: "docker" "start" "-a" "0bba223a902f0f4bd241ad8924b9397fdf248af671f8b7db6652a978bb7a32a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bba223a902f0f4bd241ad8924b9397fdf248af671f8b7db6652a978bb7a32a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bba223a902f0f4bd241ad8924b9397fdf248af671f8b7db6652a978bb7a32a5", kill_on_drop: false }`
[INFO] [stdout] 0bba223a902f0f4bd241ad8924b9397fdf248af671f8b7db6652a978bb7a32a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 87ffb257b7b325be9a68123b6246813953dd82fda269ca42ccca2e56d602794c
[INFO] running `Command { std: "docker" "start" "-a" "87ffb257b7b325be9a68123b6246813953dd82fda269ca42ccca2e56d602794c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling dashbutton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.dashbutton.85119b8c-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766.12pw9m8v91sybnlh.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtoml-abf3dd13015f01fa.rlib" "/opt/rustwide/target/debug/deps/libserde-f88747e9552afb9f.rlib" "/opt/rustwide/target/debug/deps/libpcap-64da05c372f1b260.rlib" "/opt/rustwide/target/debug/deps/liblibc-333aa5b90e875ae0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lpcap" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/dashbutton-d590bd0abcc12766" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lpcap
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dashbutton`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "87ffb257b7b325be9a68123b6246813953dd82fda269ca42ccca2e56d602794c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ffb257b7b325be9a68123b6246813953dd82fda269ca42ccca2e56d602794c", kill_on_drop: false }`
[INFO] [stdout] 87ffb257b7b325be9a68123b6246813953dd82fda269ca42ccca2e56d602794c