[INFO] updating cached repository https://github.com/DanielKeep/calendar-example [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] 399f1b0fafac49df5e52a57b350a9c8b09ea046b [INFO] checking DanielKeep/calendar-example against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielKeep%2Fcalendar-example" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DanielKeep/calendar-example 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/DanielKeep/calendar-example [INFO] finished tweaking git repo https://github.com/DanielKeep/calendar-example [INFO] tweaked toml for git repo https://github.com/DanielKeep/calendar-example written to work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/DanielKeep/calendar-example 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/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] 332a9ea7820ef818853ea7c16a0f3e912615ab2fc10d1eee23df8ac14411a162 [INFO] running `"docker" "start" "-a" "332a9ea7820ef818853ea7c16a0f3e912615ab2fc10d1eee23df8ac14411a162"` [INFO] [stderr] Checking num-traits v0.1.34 [INFO] [stderr] Checking libc v0.2.15 [INFO] [stderr] Checking itertools v0.4.17 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking num v0.1.34 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking calendar v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types [INFO] [stderr] --> bin.rs:386:23 [INFO] [stderr] | [INFO] [stderr] 386 | -> impl FnOnce(It) -> impl Iterator [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types [INFO] [stderr] --> bin.rs:456:57 [INFO] [stderr] | [INFO] [stderr] 456 | fn chunks(n: usize) -> impl FnOnce(It) -> impl Iterator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> bin.rs:506:15 [INFO] [stderr] | [INFO] [stderr] 506 | .map(|r| r.into_iter() [INFO] [stderr] | ^ consider giving this closure parameter a type [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0282, E0562. [INFO] [stderr] For more information about an error, try `rustc --explain E0282`. [INFO] [stderr] error: Could not compile `calendar`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types [INFO] [stderr] --> bin.rs:386:23 [INFO] [stderr] | [INFO] [stderr] 386 | -> impl FnOnce(It) -> impl Iterator [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types [INFO] [stderr] --> bin.rs:456:57 [INFO] [stderr] | [INFO] [stderr] 456 | fn chunks(n: usize) -> impl FnOnce(It) -> impl Iterator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0282]: type annotations needed [INFO] [stderr] --> bin.rs:506:15 [INFO] [stderr] | [INFO] [stderr] 506 | .map(|r| r.into_iter() [INFO] [stderr] | ^ consider giving this closure parameter a type [INFO] [stderr] | [INFO] [stderr] = note: type must be known at this point [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0282, E0562. [INFO] [stderr] For more information about an error, try `rustc --explain E0282`. [INFO] [stderr] error: Could not compile `calendar`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "332a9ea7820ef818853ea7c16a0f3e912615ab2fc10d1eee23df8ac14411a162"` [INFO] running `"docker" "rm" "-f" "332a9ea7820ef818853ea7c16a0f3e912615ab2fc10d1eee23df8ac14411a162"` [INFO] [stdout] 332a9ea7820ef818853ea7c16a0f3e912615ab2fc10d1eee23df8ac14411a162