[INFO] updating cached repository https://github.com/nlordell/aoc-rs [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] 5901e8242dbd0057e16bd21227802a6f64dfde7c [INFO] checking nlordell/aoc-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlordell%2Faoc-rs" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nlordell/aoc-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nlordell/aoc-rs [INFO] finished tweaking git repo https://github.com/nlordell/aoc-rs [INFO] tweaked toml for git repo https://github.com/nlordell/aoc-rs written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nlordell/aoc-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ffbb4f0987ab6467e705e7195909d4a2938efd93a861bc0a3a1e11d620e18702 [INFO] running `"docker" "start" "-a" "ffbb4f0987ab6467e705e7195909d4a2938efd93a861bc0a3a1e11d620e18702"` [INFO] [stderr] Checking approx v0.3.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking alga v0.7.2 [INFO] [stderr] Checking nalgebra v0.16.12 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/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] Checking aoc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0277]: `()` is not an iterator [INFO] [stderr] --> src/year2015/day22.rs:128:31 [INFO] [stderr] | [INFO] [stderr] 128 | fn valid_spells(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::iter::Iterator` is not implemented for `()` [INFO] [stderr] = note: the return type of a function must have a statically known size [INFO] [stderr] [INFO] [stderr] error[E0277]: `()` is not an iterator [INFO] [stderr] --> src/year2015/day22.rs:128:31 [INFO] [stderr] | [INFO] [stderr] 128 | fn valid_spells(&self) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::iter::Iterator` is not implemented for `()` [INFO] [stderr] = note: the return type of a function must have a statically known size [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/year2015/day22.rs:123:41 [INFO] [stderr] | [INFO] [stderr] 123 | fn can_cast(&self, spell: Spell) -> bool { [INFO] [stderr] | -------- ^^^^ expected bool, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] | [INFO] [stderr] = note: expected type `bool` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `aoc`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/year2015/day22.rs:123:41 [INFO] [stderr] | [INFO] [stderr] 123 | fn can_cast(&self, spell: Spell) -> bool { [INFO] [stderr] | -------- ^^^^ expected bool, found () [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] | [INFO] [stderr] = note: expected type `bool` [INFO] [stderr] found type `()` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `aoc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ffbb4f0987ab6467e705e7195909d4a2938efd93a861bc0a3a1e11d620e18702"` [INFO] running `"docker" "rm" "-f" "ffbb4f0987ab6467e705e7195909d4a2938efd93a861bc0a3a1e11d620e18702"` [INFO] [stdout] ffbb4f0987ab6467e705e7195909d4a2938efd93a861bc0a3a1e11d620e18702