[INFO] cloning repository https://github.com/thara/learn-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thara/learn-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthara%2Flearn-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthara%2Flearn-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62f3b45f1746d47eedcfb5fae1dc54ece4e1a9b4
[INFO] checking thara/learn-wgpu against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthara%2Flearn-wgpu" "/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/thara/learn-wgpu on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thara/learn-wgpu
[INFO] finished tweaking git repo https://github.com/thara/learn-wgpu
[INFO] tweaked toml for git repo https://github.com/thara/learn-wgpu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/thara/learn-wgpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded x11-dl v2.18.5
[INFO] [stderr]   Downloaded objc_exception v0.1.2
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded num_enum v0.4.3
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded xdg v2.2.0
[INFO] [stderr]   Downloaded tracing v0.1.23
[INFO] [stderr]   Downloaded bytemuck v1.5.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.0.1
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded gif v0.11.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded wio v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.20
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded thunderdome v0.3.0
[INFO] [stderr]   Downloaded d3d12 v0.3.2
[INFO] [stderr]   Downloaded bumpalo v3.6.0
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded image v0.23.13
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded metal v0.20.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded shaderc v0.7.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.6.13
[INFO] [stderr]   Downloaded copyless v0.1.5
[INFO] [stderr]   Downloaded inplace_it v0.3.3
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded andrew v0.2.1
[INFO] [stderr]   Downloaded ndk-sys v0.1.0
[INFO] [stderr]   Downloaded downcast-rs v1.2.0
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded ash v0.31.0
[INFO] [stderr]   Downloaded ndk-glue v0.1.0
[INFO] [stderr]   Downloaded objc v0.2.7
[INFO] [stderr]   Downloaded raw-window-handle v0.3.3
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded js-sys v0.3.47
[INFO] [stderr]   Downloaded rusttype v0.8.3
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.70
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.70
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.70
[INFO] [stderr]   Downloaded naga v0.2.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]   Downloaded gfx-backend-empty v0.6.0
[INFO] [stderr]   Downloaded gfx-auxil v0.7.0
[INFO] [stderr]   Downloaded range-alloc v0.1.2
[INFO] [stderr]   Downloaded fs_extra v1.2.0
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.70
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
[INFO] [stderr]   Downloaded storage-map v0.3.0
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.6.5
[INFO] [stderr]   Downloaded gfx-descriptor v0.2.0
[INFO] [stderr]   Downloaded ndk v0.1.0
[INFO] [stderr]   Downloaded winit v0.22.2
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded web-sys v0.3.47
[INFO] [stderr]   Downloaded core-graphics v0.19.2
[INFO] [stderr]   Downloaded spirv_cross v0.22.2
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded core-video-sys v0.1.4
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] [stderr]   Downloaded dispatch v0.2.0
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.5
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded cgmath v0.17.0
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded gfx-hal v0.6.0
[INFO] [stderr]   Downloaded gfx-memory v0.2.2
[INFO] [stderr]   Downloaded spirv_headers v1.5.0
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded shaderc-sys v0.7.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded color_quant v1.1.0
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded wgpu-core v0.6.5
[INFO] [stderr]   Downloaded wgpu-types v0.6.1
[INFO] [stderr]   Downloaded wgpu v0.6.2
[INFO] [stderr]   Downloaded android_log-sys v0.1.2
[INFO] [stderr]   Downloaded jni-sys v0.3.0
[INFO] [stderr]   Downloaded num_enum_derive v0.4.3
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded libloading v0.6.7
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec0ff1871bbca939df7514bbe3af196627dfc8e767ff30761cb0de41beda5c9c
[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" "ec0ff1871bbca939df7514bbe3af196627dfc8e767ff30761cb0de41beda5c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0ff1871bbca939df7514bbe3af196627dfc8e767ff30761cb0de41beda5c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0ff1871bbca939df7514bbe3af196627dfc8e767ff30761cb0de41beda5c9c", kill_on_drop: false }`
[INFO] [stdout] ec0ff1871bbca939df7514bbe3af196627dfc8e767ff30761cb0de41beda5c9c
[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" "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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0eb45174b5b8d3104a3ee8913949fea72e6fbb54ebeb23ba37b86462c8189388
[INFO] running `Command { std: "docker" "start" "-a" "0eb45174b5b8d3104a3ee8913949fea72e6fbb54ebeb23ba37b86462c8189388", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling shaderc-sys v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.60/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=112693fcb9ac57f2 -C extra-filename=-112693fcb9ac57f2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.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: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0eb45174b5b8d3104a3ee8913949fea72e6fbb54ebeb23ba37b86462c8189388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb45174b5b8d3104a3ee8913949fea72e6fbb54ebeb23ba37b86462c8189388", kill_on_drop: false }`
[INFO] [stdout] 0eb45174b5b8d3104a3ee8913949fea72e6fbb54ebeb23ba37b86462c8189388