[INFO] cloning repository https://github.com/Rua/ferret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rua/ferret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 300145448370953e041cc26ad94240f13690b1d5
[INFO] checking Rua/ferret against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rua/ferret on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rua/ferret
[INFO] finished tweaking git repo https://github.com/Rua/ferret
[INFO] tweaked toml for git repo https://github.com/Rua/ferret written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Rua/ferret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/vulkano-rs/vulkano`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpal v0.12.1
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.0
[INFO] [stderr]   Downloaded relative-path v1.3.2
[INFO] [stderr]   Downloaded simba v0.2.0
[INFO] [stderr]   Downloaded alsa v0.4.2
[INFO] [stderr]   Downloaded rodio v0.12.0
[INFO] [stderr]   Downloaded legion v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda46deea128fe4b949e990c505e504ac60b25472a622406d14a4147855579af
[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" "bda46deea128fe4b949e990c505e504ac60b25472a622406d14a4147855579af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda46deea128fe4b949e990c505e504ac60b25472a622406d14a4147855579af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda46deea128fe4b949e990c505e504ac60b25472a622406d14a4147855579af", kill_on_drop: false }`
[INFO] [stdout] bda46deea128fe4b949e990c505e504ac60b25472a622406d14a4147855579af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f20ed9b430c86303f9379dee65a9bf6f0693b7f5f30d3b047449d061e59ca6d
[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" "6f20ed9b430c86303f9379dee65a9bf6f0693b7f5f30d3b047449d061e59ca6d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling vulkano v0.19.0 (https://github.com/vulkano-rs/vulkano#aa1f402c)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking vk-sys v0.5.2 (https://github.com/vulkano-rs/vulkano#aa1f402c)
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking relative-path v1.3.2
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking simba v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr] error: could not compile `wayland-scanner`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wayland_scanner /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wayland-scanner-0.23.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=4a89e06f6f1b8139 -C extra-filename=-4a89e06f6f1b8139 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-14b87d0cfb3a3067.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3ab6671852ca27d4.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-0cf6008610ba5334.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6f20ed9b430c86303f9379dee65a9bf6f0693b7f5f30d3b047449d061e59ca6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f20ed9b430c86303f9379dee65a9bf6f0693b7f5f30d3b047449d061e59ca6d", kill_on_drop: false }`
[INFO] [stdout] 6f20ed9b430c86303f9379dee65a9bf6f0693b7f5f30d3b047449d061e59ca6d