[INFO] cloning repository https://github.com/servo/media
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/servo/media" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fmedia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fmedia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b23e72285ecbe352737eafa4100e65763cc9ccfc
[INFO] checking servo/media against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fservo%2Fmedia" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/servo/media on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/servo/media
[INFO] finished tweaking git repo https://github.com/servo/media
[INFO] tweaked toml for git repo https://github.com/servo/media written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/servo/media already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f875dd1c0336d1ae9ffeec850f000f9dce3be38761963c3ef8be4fa372569fd
[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" "2f875dd1c0336d1ae9ffeec850f000f9dce3be38761963c3ef8be4fa372569fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f875dd1c0336d1ae9ffeec850f000f9dce3be38761963c3ef8be4fa372569fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f875dd1c0336d1ae9ffeec850f000f9dce3be38761963c3ef8be4fa372569fd", kill_on_drop: false }`
[INFO] [stdout] 2f875dd1c0336d1ae9ffeec850f000f9dce3be38761963c3ef8be4fa372569fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba0e338a17656445f2b91b4a4c994cea22744f5dfd0d70b02d14514d9aefee9
[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" "6ba0e338a17656445f2b91b4a4c994cea22744f5dfd0d70b02d14514d9aefee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling gstreamer v0.15.6
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking servo-media-traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]    Compiling gstreamer-base v0.15.0
[INFO] [stderr]    Compiling gstreamer-video v0.15.0
[INFO] [stderr]     Checking boxfnonce v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking speexdsp-resampler v0.1.0
[INFO] [stderr]    Compiling gstreamer-gl v0.15.0
[INFO] [stderr]     Checking byte-slice-cast v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling gstreamer-sdp v0.15.0
[INFO] [stderr]    Compiling gstreamer-app v0.15.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling gstreamer-webrtc v0.15.0
[INFO] [stderr]    Compiling gstreamer-player v0.15.0
[INFO] [stderr]    Compiling gstreamer-audio v0.15.0
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]     Checking servo_media_android v0.1.0 (/opt/rustwide/workdir/examples/android/lib)
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CString`
[INFO] [stdout]    --> examples/android/lib/src/lib.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |       let backend_id = unsafe { CString::from_raw(servo_media_backend_id()) };
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let backend_id = unsafe { String::from_raw(servo_media_backend_id()) };
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 116 | use std::ffi::CString;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `servo_media_backend_id` in this scope
[INFO] [stdout]    --> examples/android/lib/src/lib.rs:117:49
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let backend_id = unsafe { CString::from_raw(servo_media_backend_id()) };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `servo_media_android`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ba0e338a17656445f2b91b4a4c994cea22744f5dfd0d70b02d14514d9aefee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba0e338a17656445f2b91b4a4c994cea22744f5dfd0d70b02d14514d9aefee9", kill_on_drop: false }`
[INFO] [stdout] 6ba0e338a17656445f2b91b4a4c994cea22744f5dfd0d70b02d14514d9aefee9