[INFO] updating cached repository https://github.com/Skellora/wasm-webgl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f19a6fc3e5db481faa7d3995d7fad89ba6f7eeb1
[INFO] checking Skellora/wasm-webgl against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkellora%2Fwasm-webgl" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skellora/wasm-webgl on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Skellora/wasm-webgl
[INFO] finished tweaking git repo https://github.com/Skellora/wasm-webgl
[INFO] tweaked toml for git repo https://github.com/Skellora/wasm-webgl written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Skellora/wasm-webgl already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 73939a9aecbc686f70a1c5e0426e1a2a0abdad06ddeb96a0b2e01230e34fc78c
[INFO] running `"docker" "start" "-a" "73939a9aecbc686f70a1c5e0426e1a2a0abdad06ddeb96a0b2e01230e34fc78c"`
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.25 (https://github.com/rustwasm/wasm-bindgen#aac8696d)
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.25 (https://github.com/rustwasm/wasm-bindgen#aac8696d)
[INFO] [stderr]    Compiling sourcefile v0.1.1
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stderr]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `Any`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stderr]     |
[INFO] [stderr] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: to disambiguate the method call, write `Any::type_id(&self)` instead
[INFO] [stderr] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::any::Any::type_id(&self)` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `downcast`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "73939a9aecbc686f70a1c5e0426e1a2a0abdad06ddeb96a0b2e01230e34fc78c"`
[INFO] running `"docker" "rm" "-f" "73939a9aecbc686f70a1c5e0426e1a2a0abdad06ddeb96a0b2e01230e34fc78c"`
[INFO] [stdout] 73939a9aecbc686f70a1c5e0426e1a2a0abdad06ddeb96a0b2e01230e34fc78c