[INFO] cloning repository https://github.com/JosePedroDias/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JosePedroDias/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosePedroDias%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosePedroDias%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 932860b15eddf3e1c0b76c8e0355a5e5f5ef7463
[INFO] testing JosePedroDias/aoc2019 against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosePedroDias%2Faoc2019" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosePedroDias/aoc2019 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] 376593e76f987ab12c6452c12ca3060e8aa9beeb9c79128b0057a84967a1c77e
[INFO] running `Command { std: "docker" "start" "-a" "376593e76f987ab12c6452c12ca3060e8aa9beeb9c79128b0057a84967a1c77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376593e76f987ab12c6452c12ca3060e8aa9beeb9c79128b0057a84967a1c77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376593e76f987ab12c6452c12ca3060e8aa9beeb9c79128b0057a84967a1c77e", kill_on_drop: false }`
[INFO] [stdout] 376593e76f987ab12c6452c12ca3060e8aa9beeb9c79128b0057a84967a1c77e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 4be2fbd8669e8d604112c7b6858053d93c3da0715adff4904c612d4998bcfad8
[INFO] running `Command { std: "docker" "start" "-a" "4be2fbd8669e8d604112c7b6858053d93c3da0715adff4904c612d4998bcfad8", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `RefMut<'_, Vec<&'static 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]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ `RefMut<'_, Vec<&'static Node>>` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `RefMut<'_, Vec<&'static Node>>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `IntoIterator` for `RefMut<'_, Vec<&'static Node>>`
[INFO] [stdout]    = note: required by `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 `&Node`, found struct `Rc`
[INFO] [stdout]    |                                       help: consider borrowing here: `&Rc::new(n2)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&'static Node`
[INFO] [stdout]                  found struct `Rc<Node>`
[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" "4be2fbd8669e8d604112c7b6858053d93c3da0715adff4904c612d4998bcfad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be2fbd8669e8d604112c7b6858053d93c3da0715adff4904c612d4998bcfad8", kill_on_drop: false }`
[INFO] [stdout] 4be2fbd8669e8d604112c7b6858053d93c3da0715adff4904c612d4998bcfad8
