[INFO] cloning repository kirhgoff/nphysics-playground [INFO] running `"git" "clone" "--bare" "git://github.com/kirhgoff/nphysics-playground.git" "work/cache/sources/gh/kirhgoff/nphysics-playground"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kirhgoff/nphysics-playground'... [INFO] running `"git" "clone" "work/cache/sources/gh/kirhgoff/nphysics-playground" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kirhgoff/nphysics-playground"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kirhgoff/nphysics-playground'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kirhgoff/nphysics-playground" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kirhgoff/nphysics-playground"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kirhgoff/nphysics-playground'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ff05700261224b0326d4434e2c4bfba948fbdcb1 [INFO] sha for GitHub repo kirhgoff/nphysics-playground: ff05700261224b0326d4434e2c4bfba948fbdcb1 [INFO] validating manifest of kirhgoff/nphysics-playground on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kirhgoff/nphysics-playground on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kirhgoff/nphysics-playground [INFO] finished frobbing kirhgoff/nphysics-playground [INFO] frobbed toml for kirhgoff/nphysics-playground written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kirhgoff/nphysics-playground/Cargo.toml [INFO] started frobbing kirhgoff/nphysics-playground [INFO] finished frobbing kirhgoff/nphysics-playground [INFO] frobbed toml for kirhgoff/nphysics-playground written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kirhgoff/nphysics-playground/Cargo.toml [INFO] crate kirhgoff/nphysics-playground already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nphysics_testbed2d v0.1.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing kirhgoff/nphysics-playground against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kirhgoff/nphysics-playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 824f1eab49920181e159e5a888c2f12bdef9bc4fd8bed81e6e8827672d216800 [INFO] running `"docker" "start" "-a" "824f1eab49920181e159e5a888c2f12bdef9bc4fd8bed81e6e8827672d216800"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling downcast v0.9.2 [INFO] [stderr] Compiling syn v0.15.17 [INFO] [stderr] Compiling rusttype v0.7.2 [INFO] [stderr] Compiling nalgebra v0.16.7 [INFO] [stderr] Compiling smithay-client-toolkit v0.2.6 [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> /opt/crater/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::() } [INFO] [stderr] | ^^^^^^^ multiple `type_id` found [INFO] [stderr] | [INFO] [stderr] note: candidate #1 is defined in the trait `Any` [INFO] [stderr] --> /opt/crater/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::() } [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] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.7/src/base/cg.rs:291:44 [INFO] [stderr] | [INFO] [stderr] 291 | self[(j, i)] += shift[j] * self[(D::dim() - 1, i)]; [INFO] [stderr] | ---------------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "824f1eab49920181e159e5a888c2f12bdef9bc4fd8bed81e6e8827672d216800"` [INFO] running `"docker" "rm" "-f" "824f1eab49920181e159e5a888c2f12bdef9bc4fd8bed81e6e8827672d216800"` [INFO] [stdout] 824f1eab49920181e159e5a888c2f12bdef9bc4fd8bed81e6e8827672d216800