[INFO] updating cached repository https://github.com/JosePedroDias/aoc2019 [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 932860b15eddf3e1c0b76c8e0355a5e5f5ef7463 [INFO] testing JosePedroDias/aoc2019 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosePedroDias%2Faoc2019" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JosePedroDias/aoc2019 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JosePedroDias/aoc2019 [INFO] finished tweaking git repo https://github.com/JosePedroDias/aoc2019 [INFO] tweaked toml for git repo https://github.com/JosePedroDias/aoc2019 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/JosePedroDias/aoc2019 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbda72eb7fee6ea1227f4c6dc54f886d439f528b2c1fc1737525fd8fcec8dc4d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dbda72eb7fee6ea1227f4c6dc54f886d439f528b2c1fc1737525fd8fcec8dc4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbda72eb7fee6ea1227f4c6dc54f886d439f528b2c1fc1737525fd8fcec8dc4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbda72eb7fee6ea1227f4c6dc54f886d439f528b2c1fc1737525fd8fcec8dc4d", kill_on_drop: false }` [INFO] [stdout] dbda72eb7fee6ea1227f4c6dc54f886d439f528b2c1fc1737525fd8fcec8dc4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e5ff31dc82d422dfb55ade13b8f154adc5a15a7f8c37102951692a46725343a8 [INFO] running `Command { std: "docker" "start" "-a" "e5ff31dc82d422dfb55ade13b8f154adc5a15a7f8c37102951692a46725343a8", kill_on_drop: false }` [INFO] [stderr] Compiling aoc2019 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: `std::cell::RefMut<'_, std::vec::Vec<&'static d06::Node>>` is not an iterator [INFO] [stdout] --> src/d06.rs:23:22 [INFO] [stdout] | [INFO] [stdout] 23 | for child in self.children.borrow_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::RefMut<'_, std::vec::Vec<&'static d06::Node>>` is not an iterator [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::iter::Iterator` is not implemented for `std::cell::RefMut<'_, std::vec::Vec<&'static d06::Node>>` [INFO] [stdout] = note: required by `std::iter::IntoIterator::into_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/d06.rs:66:39 [INFO] [stdout] | [INFO] [stdout] 66 | n1.children.borrow_mut().push(Rc::new(n2)); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `&d06::Node`, found struct `std::rc::Rc` [INFO] [stdout] | help: consider borrowing here: `&Rc::new(n2)` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&'static d06::Node` [INFO] [stdout] found struct `std::rc::Rc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2019`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e5ff31dc82d422dfb55ade13b8f154adc5a15a7f8c37102951692a46725343a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5ff31dc82d422dfb55ade13b8f154adc5a15a7f8c37102951692a46725343a8", kill_on_drop: false }` [INFO] [stdout] e5ff31dc82d422dfb55ade13b8f154adc5a15a7f8c37102951692a46725343a8