[INFO] updating cached repository https://github.com/Ameobea/nphysics-collision-issue-demo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] b8acfb429447cdd6f3d0cb5ff865439affbe6707
[INFO] checking Ameobea/nphysics-collision-issue-demo against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmeobea%2Fnphysics-collision-issue-demo" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ameobea/nphysics-collision-issue-demo on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ameobea/nphysics-collision-issue-demo
[INFO] finished tweaking git repo https://github.com/Ameobea/nphysics-collision-issue-demo
[INFO] tweaked toml for git repo https://github.com/Ameobea/nphysics-collision-issue-demo written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Ameobea/nphysics-collision-issue-demo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3798c8daa79dbf4ceabd72ac70b7f22fcee413c54dd19c436e3b5cd9f8a113e
[INFO] running `"docker" "start" "-a" "c3798c8daa79dbf4ceabd72ac70b7f22fcee413c54dd19c436e3b5cd9f8a113e"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.19
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.72
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking memmap v0.6.2
[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] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stderr] help: disambiguate the method call for candidate #1
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: disambiguate the method call for candidate #2
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] 
[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 `"docker" "inspect" "c3798c8daa79dbf4ceabd72ac70b7f22fcee413c54dd19c436e3b5cd9f8a113e"`
[INFO] running `"docker" "rm" "-f" "c3798c8daa79dbf4ceabd72ac70b7f22fcee413c54dd19c436e3b5cd9f8a113e"`
[INFO] [stdout] c3798c8daa79dbf4ceabd72ac70b7f22fcee413c54dd19c436e3b5cd9f8a113e
