[INFO] cloning repository https://github.com/clynamen/basic_http_webm_server_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clynamen/basic_http_webm_server_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclynamen%2Fbasic_http_webm_server_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclynamen%2Fbasic_http_webm_server_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2f3921f9ea7ca75e3b25216a811c9941b15927e
[INFO] documenting clynamen/basic_http_webm_server_rust against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclynamen%2Fbasic_http_webm_server_rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clynamen/basic_http_webm_server_rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clynamen/basic_http_webm_server_rust
[INFO] finished tweaking git repo https://github.com/clynamen/basic_http_webm_server_rust
[INFO] tweaked toml for git repo https://github.com/clynamen/basic_http_webm_server_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/clynamen/basic_http_webm_server_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.8.1
[INFO] [stderr]   Downloaded arc-swap v0.4.5
[INFO] [stderr]   Downloaded muldiv v0.2.1
[INFO] [stderr]   Downloaded gstreamer-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-video v0.15.3
[INFO] [stderr]   Downloaded paste-impl v0.1.9
[INFO] [stderr]   Downloaded gstreamer v0.15.4
[INFO] [stderr]   Downloaded paste v0.1.9
[INFO] [stderr]   Downloaded gstreamer-base v0.15.4
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.8.1
[INFO] [stderr]   Downloaded gstreamer-app v0.15.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead0eab1e762a2db9ff5dbcdba876ee9f61e1a69f24aa1a30afb47f77ac0d634
[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" "ead0eab1e762a2db9ff5dbcdba876ee9f61e1a69f24aa1a30afb47f77ac0d634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead0eab1e762a2db9ff5dbcdba876ee9f61e1a69f24aa1a30afb47f77ac0d634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead0eab1e762a2db9ff5dbcdba876ee9f61e1a69f24aa1a30afb47f77ac0d634", kill_on_drop: false }`
[INFO] [stdout] ead0eab1e762a2db9ff5dbcdba876ee9f61e1a69f24aa1a30afb47f77ac0d634
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd3a04445579698a03fc734aa5eec9ef80db14ec784c361f400b1fe6d263dacf
[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" "dd3a04445579698a03fc734aa5eec9ef80db14ec784c361f400b1fe6d263dacf", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling gstreamer v0.15.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling gstreamer-video v0.15.3
[INFO] [stderr]    Compiling gstreamer-app v0.15.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling paste-impl v0.1.9
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling gstreamer-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-base-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-app-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-base v0.15.4
[INFO] [stderr]    Compiling gstreamer-video-sys v0.8.1
[INFO] [stderr] error: failed to run custom build command for `gstreamer-app-sys v0.8.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-app-sys-e99c8378a40f6911/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "gstreamer-app-1.0" "gstreamer-app-1.0 >= 1.8"` did not exit successfully: exit status: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-app-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-app-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-app-1.0' found
[INFO] [stderr]   Package gstreamer-app-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-app-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-app-1.0' found
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd3a04445579698a03fc734aa5eec9ef80db14ec784c361f400b1fe6d263dacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3a04445579698a03fc734aa5eec9ef80db14ec784c361f400b1fe6d263dacf", kill_on_drop: false }`
[INFO] [stdout] dd3a04445579698a03fc734aa5eec9ef80db14ec784c361f400b1fe6d263dacf
