[INFO] fetching crate metropolis 0.9.1...
[INFO] checking metropolis-0.9.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate metropolis 0.9.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate metropolis 0.9.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metropolis 0.9.1
[INFO] finished tweaking crates.io crate metropolis 0.9.1
[INFO] tweaked toml for crates.io crate metropolis 0.9.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate metropolis 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.21.13
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded cocoa v0.19.1
[INFO] [stderr]   Downloaded png v0.15.1
[INFO] [stderr]   Downloaded wayland-commons v0.21.13
[INFO] [stderr]   Downloaded wayland-scanner v0.21.13
[INFO] [stderr]   Downloaded rusttype v0.8.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.6
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded objc_exception v0.1.1
[INFO] [stderr]   Downloaded wayland-client v0.21.13
[INFO] [stderr]   Downloaded vulkano-win v0.16.0
[INFO] [stderr]   Downloaded core-graphics v0.17.3
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded vulkano v0.16.0
[INFO] [stderr]   Downloaded vulkano-shaders v0.16.0
[INFO] [stderr]   Downloaded metal v0.17.0
[INFO] [stderr]   Downloaded vk-sys v0.5.0
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded raw-window-handle v0.3.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] [stderr]   Downloaded stb_truetype v0.3.0
[INFO] [stderr]   Downloaded downcast-rs v1.1.0
[INFO] [stderr]   Downloaded winit v0.19.5
[INFO] [stderr]   Downloaded wayland-protocols v0.21.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea71114bae96fa6086cc42c5144741de0e2c52023117d86618b92a132b7b8dc
[INFO] running `Command { std: "docker" "start" "-a" "7ea71114bae96fa6086cc42c5144741de0e2c52023117d86618b92a132b7b8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea71114bae96fa6086cc42c5144741de0e2c52023117d86618b92a132b7b8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea71114bae96fa6086cc42c5144741de0e2c52023117d86618b92a132b7b8dc", kill_on_drop: false }`
[INFO] [stdout] 7ea71114bae96fa6086cc42c5144741de0e2c52023117d86618b92a132b7b8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb808812cbddbc2431116833d108f59194a00054f3f58e94d78ab0bb5fd9b1d
[INFO] running `Command { std: "docker" "start" "-a" "ccb808812cbddbc2431116833d108f59194a00054f3f58e94d78ab0bb5fd9b1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking downcast-rs v1.1.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking vk-sys v0.5.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking rusttype v0.8.1
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=df090454b896cf27 -C extra-filename=-df090454b896cf27 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-9b83afd4b2b281df.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3119ca7a9f88dacc.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-43215f0b5f320f3a.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-ecdf88a6604355cf.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" "ccb808812cbddbc2431116833d108f59194a00054f3f58e94d78ab0bb5fd9b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb808812cbddbc2431116833d108f59194a00054f3f58e94d78ab0bb5fd9b1d", kill_on_drop: false }`
[INFO] [stdout] ccb808812cbddbc2431116833d108f59194a00054f3f58e94d78ab0bb5fd9b1d