[INFO] cloning repository https://github.com/Skellora/wasm-webgl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Skellora/wasm-webgl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkellora%2Fwasm-webgl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkellora%2Fwasm-webgl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f19a6fc3e5db481faa7d3995d7fad89ba6f7eeb1
[INFO] checking Skellora/wasm-webgl against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkellora%2Fwasm-webgl" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skellora/wasm-webgl on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] [stderr]   Downloaded shred-derive v0.5.0
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded shred v0.7.0
[INFO] [stderr]   Downloaded shrev v1.0.1
[INFO] [stderr]   Downloaded tuple_utils v0.2.0
[INFO] [stderr]   Downloaded specs v0.11.2
[INFO] [stderr]   Downloaded num-complex v0.2.0
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded ncollide2d v0.17.1
[INFO] [stderr]   Downloaded downcast v0.9.2
[INFO] [stderr]   Downloaded libm v0.1.2
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded serde_json v1.0.30
[INFO] [stderr]   Downloaded alga v0.7.2
[INFO] [stderr]   Downloaded weedle v0.8.0
[INFO] [stderr]   Downloaded nom v4.0.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.14
[INFO] [stderr]   Downloaded itertools v0.5.10
[INFO] [stderr]   Downloaded derivative v1.0.0
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded hibitset v0.5.0
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded stdweb-derive v0.5.0
[INFO] [stderr]   Downloaded nphysics2d v0.9.2
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.0
[INFO] [stderr]   Downloaded nalgebra v0.16.3
[INFO] [stderr]   Downloaded approx v0.3.0
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.0
[INFO] [stderr]   Downloaded sourcefile v0.1.1
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded stdweb v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4bbabfe2aa0a2540e99454553c4f39fb5a7c08ce2dec4ec9a97a0cefb31486
[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" "5f4bbabfe2aa0a2540e99454553c4f39fb5a7c08ce2dec4ec9a97a0cefb31486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4bbabfe2aa0a2540e99454553c4f39fb5a7c08ce2dec4ec9a97a0cefb31486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4bbabfe2aa0a2540e99454553c4f39fb5a7c08ce2dec4ec9a97a0cefb31486", kill_on_drop: false }`
[INFO] [stdout] 5f4bbabfe2aa0a2540e99454553c4f39fb5a7c08ce2dec4ec9a97a0cefb31486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b8b140c95c25a82d369a02577d10c33f61fe5ac620edbbb9a9e4a009840b3c
[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" "71b8b140c95c25a82d369a02577d10c33f61fe5ac620edbbb9a9e4a009840b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling cc v1.0.25
[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]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling wasm-bindgen v0.2.25 (https://github.com/rustwasm/wasm-bindgen#aac8696d)
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling sourcefile v0.1.1
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stdout]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Any`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr] error: could not compile `downcast`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "71b8b140c95c25a82d369a02577d10c33f61fe5ac620edbbb9a9e4a009840b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b8b140c95c25a82d369a02577d10c33f61fe5ac620edbbb9a9e4a009840b3c", kill_on_drop: false }`
[INFO] [stdout] 71b8b140c95c25a82d369a02577d10c33f61fe5ac620edbbb9a9e4a009840b3c