[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] checking JosePedroDias/aoc2019 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosePedroDias%2Faoc2019" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosePedroDias/aoc2019 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5a307adaa56150799bccef8e07eaca7a4acb4dcf3bd59e8cba65701284c4c7b
[INFO] running `Command { std: "docker" "start" "-a" "e5a307adaa56150799bccef8e07eaca7a4acb4dcf3bd59e8cba65701284c4c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a307adaa56150799bccef8e07eaca7a4acb4dcf3bd59e8cba65701284c4c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a307adaa56150799bccef8e07eaca7a4acb4dcf3bd59e8cba65701284c4c7b", kill_on_drop: false }`
[INFO] [stdout] e5a307adaa56150799bccef8e07eaca7a4acb4dcf3bd59e8cba65701284c4c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68247e8c21c69ba425e37e4643e8c6731c9d236911692ddde40aba4ab87b6e1
[INFO] running `Command { std: "docker" "start" "-a" "a68247e8c21c69ba425e37e4643e8c6731c9d236911692ddde40aba4ab87b6e1", kill_on_drop: false }`
[INFO] [stderr]     Checking 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>>`, which is required by `RefMut<'_, Vec<&'static Node>>: IntoIterator`
[INFO] [stdout]    = note: required for `RefMut<'_, Vec<&'static Node>>` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[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>>`, which is required by `RefMut<'_, Vec<&'static Node>>: IntoIterator`
[INFO] [stdout]    = note: required for `RefMut<'_, Vec<&'static Node>>` to implement `IntoIterator`
[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]    |                                  ---- ^^^^^^^^^^^ expected `&Node`, found `Rc<Node>`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&'static Node`
[INFO] [stdout]                  found struct `Rc<Node>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/vec/mod.rs:1966:12
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 66 |         n1.children.borrow_mut().push(&Rc::new(n2));
[INFO] [stdout]    |                                       +
[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]    |                                  ---- ^^^^^^^^^^^ expected `&Node`, found `Rc<Node>`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&'static Node`
[INFO] [stdout]                  found struct `Rc<Node>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/vec/mod.rs:1966:12
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 66 |         n1.children.borrow_mut().push(&Rc::new(n2));
[INFO] [stdout]    |                                       +
[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] [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` (bin "aoc2019") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aoc2019` (bin "aoc2019" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a68247e8c21c69ba425e37e4643e8c6731c9d236911692ddde40aba4ab87b6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68247e8c21c69ba425e37e4643e8c6731c9d236911692ddde40aba4ab87b6e1", kill_on_drop: false }`
[INFO] [stdout] a68247e8c21c69ba425e37e4643e8c6731c9d236911692ddde40aba4ab87b6e1