[INFO] updating cached repository cthwaite/wikitools [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cthwaite/wikitools [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cthwaite/wikitools" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cthwaite/wikitools"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cthwaite/wikitools'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cthwaite/wikitools" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cthwaite/wikitools"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cthwaite/wikitools'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0335b528772fcf91aa020eb77ff9a7b5b5dd530e [INFO] sha for GitHub repo cthwaite/wikitools: 0335b528772fcf91aa020eb77ff9a7b5b5dd530e [INFO] validating manifest of cthwaite/wikitools on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cthwaite/wikitools on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cthwaite/wikitools [INFO] finished frobbing cthwaite/wikitools [INFO] frobbed toml for cthwaite/wikitools written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cthwaite/wikitools/Cargo.toml [INFO] started frobbing cthwaite/wikitools [INFO] finished frobbing cthwaite/wikitools [INFO] frobbed toml for cthwaite/wikitools written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cthwaite/wikitools/Cargo.toml [INFO] crate cthwaite/wikitools already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking cthwaite/wikitools against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cthwaite/wikitools:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b3c6e4108f9482298ed4341884d73d5559ae68c60526a5c901be3561ad90b26d [INFO] running `"docker" "start" "-a" "b3c6e4108f9482298ed4341884d73d5559ae68c60526a5c901be3561ad90b26d"` [INFO] [stderr] Checking downcast v0.9.2 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.0 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking qp-trie v0.7.3 [INFO] [stderr] Checking bzip2-sys v0.1.7 [INFO] [stderr] Checking bitpacking v0.5.1 [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[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/qp-trie-0.7.3/src/node.rs:502:41 [INFO] [stderr] | [INFO] [stderr] 479 | &mut self, [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 485 | / match *self { [INFO] [stderr] 486 | | Node::Branch(ref mut branch) if branch.choice <= graft => { [INFO] [stderr] | | -------------- first mutable borrow occurs here [INFO] [stderr] 487 | | let index = branch.index(key.borrow()); [INFO] [stderr] 488 | | [INFO] [stderr] ... | [INFO] [stderr] 502 | | let node = mem::replace(self, Node::Branch(Branch::new(graft))); [INFO] [stderr] | | ^^^^ second mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 517 | | } [INFO] [stderr] 518 | | } [INFO] [stderr] | |_________- returning this value requires that `self.0` is borrowed for `'1` [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] [INFO] [stderr] warning[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/qp-trie-0.7.3/src/node.rs:505:45 [INFO] [stderr] | [INFO] [stderr] 479 | &mut self, [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 485 | / match *self { [INFO] [stderr] 486 | | Node::Branch(ref mut branch) if branch.choice <= graft => { [INFO] [stderr] | | -------------- first mutable borrow occurs here [INFO] [stderr] 487 | | let index = branch.index(key.borrow()); [INFO] [stderr] 488 | | [INFO] [stderr] ... | [INFO] [stderr] 505 | | let graft_branch = unsafe { self.unwrap_branch_mut() }; [INFO] [stderr] | | ^^^^ second mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 517 | | } [INFO] [stderr] 518 | | } [INFO] [stderr] | |_________- returning this value requires that `self.0` is borrowed for `'1` [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] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b3c6e4108f9482298ed4341884d73d5559ae68c60526a5c901be3561ad90b26d"` [INFO] running `"docker" "rm" "-f" "b3c6e4108f9482298ed4341884d73d5559ae68c60526a5c901be3561ad90b26d"` [INFO] [stdout] b3c6e4108f9482298ed4341884d73d5559ae68c60526a5c901be3561ad90b26d