[INFO] cloning repository https://github.com/wenshiqi0/webview-gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wenshiqi0/webview-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwenshiqi0%2Fwebview-gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwenshiqi0%2Fwebview-gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d163c147c23ca45e2c288d703f2ea32f910cd3d8
[INFO] checking wenshiqi0/webview-gui against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwenshiqi0%2Fwebview-gui" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wenshiqi0/webview-gui on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wenshiqi0/webview-gui
[INFO] finished tweaking git repo https://github.com/wenshiqi0/webview-gui
[INFO] tweaked toml for git repo https://github.com/wenshiqi0/webview-gui written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wenshiqi0/webview-gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] def49053982e1968831fea1dc7f91d7294e1fb3ece4c600d2175aaeb26d5f71f
[INFO] running `Command { std: "docker" "start" "-a" "def49053982e1968831fea1dc7f91d7294e1fb3ece4c600d2175aaeb26d5f71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def49053982e1968831fea1dc7f91d7294e1fb3ece4c600d2175aaeb26d5f71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def49053982e1968831fea1dc7f91d7294e1fb3ece4c600d2175aaeb26d5f71f", kill_on_drop: false }`
[INFO] [stdout] def49053982e1968831fea1dc7f91d7294e1fb3ece4c600d2175aaeb26d5f71f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0ba6c011a208d781a1de92e18f4040fed54ae7c66b68a614061c055178c17fa
[INFO] running `Command { std: "docker" "start" "-a" "e0ba6c011a208d781a1de92e18f4040fed54ae7c66b68a614061c055178c17fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling webview_gui_sys v0.1.0 (/opt/rustwide/workdir/webview_sys)
[INFO] [stderr] warning: webview_gui_sys@0.1.0: ar: '/opt/rustwide/target/debug/build/webview_gui_sys-f0bda9b31d21d5af/out/libwebview.a': No such file
[INFO] [stderr] error: failed to run custom build command for `webview_gui_sys v0.1.0 (/opt/rustwide/workdir/webview_sys)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/webview_gui_sys-ea3784c0663767a6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_AR = None
[INFO] [stderr]   AR = None
[INFO] [stderr]   running: "ar" "s" "/opt/rustwide/target/debug/build/webview_gui_sys-f0bda9b31d21d5af/out/libwebview.a"
[INFO] [stderr]   cargo:warning=ar: '/opt/rustwide/target/debug/build/webview_gui_sys-f0bda9b31d21d5af/out/libwebview.a': No such file
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "ar" "s" "/opt/rustwide/target/debug/build/webview_gui_sys-f0bda9b31d21d5af/out/libwebview.a" with args "ar" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "e0ba6c011a208d781a1de92e18f4040fed54ae7c66b68a614061c055178c17fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ba6c011a208d781a1de92e18f4040fed54ae7c66b68a614061c055178c17fa", kill_on_drop: false }`
[INFO] [stdout] e0ba6c011a208d781a1de92e18f4040fed54ae7c66b68a614061c055178c17fa