[INFO] cloning repository https://github.com/agausmann/wgpu-gl-unused-uniform-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agausmann/wgpu-gl-unused-uniform-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagausmann%2Fwgpu-gl-unused-uniform-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagausmann%2Fwgpu-gl-unused-uniform-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9dc666ddbcd84aaadb09c86185f51e7bb6888f4
[INFO] checking agausmann/wgpu-gl-unused-uniform-repro against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagausmann%2Fwgpu-gl-unused-uniform-repro" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro
[INFO] finished tweaking git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro
[INFO] tweaked toml for git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu.git`
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[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/metal-rs`
[INFO] [stderr]     Updating git repository `https://github.com/grovesNL/glow`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/d3d12-rs`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d30d331972e839ca654b502822625c08aae1dc6253d645ac91cb81ee2cc24e0
[INFO] running `Command { std: "docker" "start" "-a" "9d30d331972e839ca654b502822625c08aae1dc6253d645ac91cb81ee2cc24e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d30d331972e839ca654b502822625c08aae1dc6253d645ac91cb81ee2cc24e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d30d331972e839ca654b502822625c08aae1dc6253d645ac91cb81ee2cc24e0", kill_on_drop: false }`
[INFO] [stdout] 9d30d331972e839ca654b502822625c08aae1dc6253d645ac91cb81ee2cc24e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ae0dee899182db648ecd7ab0d529653ec0304b9f311bef0dfd7f7e65333089
[INFO] running `Command { std: "docker" "start" "-a" "44ae0dee899182db648ecd7ab0d529653ec0304b9f311bef0dfd7f7e65333089", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
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[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]     Checking glow v0.10.0 (https://github.com/grovesNL/glow?rev=0864897a28bbdd43f89f4fd8fdd4ed781b719f8a#0864897a)
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[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking arrayvec v0.7.1
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[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
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[INFO] [stderr]     Checking regex-syntax v0.6.25
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[INFO] [stderr]     Checking wgpu-hal v0.9.0 (https://github.com/gfx-rs/wgpu.git?branch=master#a222e6eb)
[INFO] [stderr]     Checking wgpu v0.9.0 (https://github.com/gfx-rs/wgpu.git?branch=master#a222e6eb)
[INFO] [stderr]     Checking wgpu_gl_unused_uniform_repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "44ae0dee899182db648ecd7ab0d529653ec0304b9f311bef0dfd7f7e65333089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ae0dee899182db648ecd7ab0d529653ec0304b9f311bef0dfd7f7e65333089", kill_on_drop: false }`
[INFO] [stdout] 44ae0dee899182db648ecd7ab0d529653ec0304b9f311bef0dfd7f7e65333089
[INFO] checking agausmann/wgpu-gl-unused-uniform-repro against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagausmann%2Fwgpu-gl-unused-uniform-repro" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro
[INFO] finished tweaking git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro
[INFO] tweaked toml for git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/agausmann/wgpu-gl-unused-uniform-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b13c9e5bb0ca2d38a99d3c504cf231ae8d43be2eacb662f0e344645ec7abc807
[INFO] running `Command { std: "docker" "start" "-a" "b13c9e5bb0ca2d38a99d3c504cf231ae8d43be2eacb662f0e344645ec7abc807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b13c9e5bb0ca2d38a99d3c504cf231ae8d43be2eacb662f0e344645ec7abc807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13c9e5bb0ca2d38a99d3c504cf231ae8d43be2eacb662f0e344645ec7abc807", kill_on_drop: false }`
[INFO] [stdout] b13c9e5bb0ca2d38a99d3c504cf231ae8d43be2eacb662f0e344645ec7abc807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad42a6a5f2c08ec10ab51eb1a1eb19d74d616579178d57ea24bf376a37a8814b
[INFO] running `Command { std: "docker" "start" "-a" "ad42a6a5f2c08ec10ab51eb1a1eb19d74d616579178d57ea24bf376a37a8814b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling wgpu-core v0.9.0 (https://github.com/gfx-rs/wgpu.git?branch=master#a222e6eb)
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.9.0 (https://github.com/gfx-rs/wgpu.git?branch=master#a222e6eb)
[INFO] [stderr]     Checking glow v0.10.0 (https://github.com/grovesNL/glow?rev=0864897a28bbdd43f89f4fd8fdd4ed781b719f8a#0864897a)
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking profiling v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking pollster v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ad42a6a5f2c08ec10ab51eb1a1eb19d74d616579178d57ea24bf376a37a8814b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad42a6a5f2c08ec10ab51eb1a1eb19d74d616579178d57ea24bf376a37a8814b", kill_on_drop: false }`
[INFO] [stdout] ad42a6a5f2c08ec10ab51eb1a1eb19d74d616579178d57ea24bf376a37a8814b