[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 try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [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 cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 184bf0bec4591ee331503e1f0281afca591d835051749752a5e7f2d1cd31dda3 [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" "184bf0bec4591ee331503e1f0281afca591d835051749752a5e7f2d1cd31dda3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "184bf0bec4591ee331503e1f0281afca591d835051749752a5e7f2d1cd31dda3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "184bf0bec4591ee331503e1f0281afca591d835051749752a5e7f2d1cd31dda3", kill_on_drop: false }` [INFO] [stdout] 184bf0bec4591ee331503e1f0281afca591d835051749752a5e7f2d1cd31dda3 [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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2ea88543dbd92fc107ded20f37a0507938f25c03b0c53b4626d2fe39d46e7de [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" "f2ea88543dbd92fc107ded20f37a0507938f25c03b0c53b4626d2fe39d46e7de", 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>>` [INFO] [stdout] = note: required because of the requirements on the impl of `IntoIterator` for `RefMut<'_, Vec<&'static Node>>` [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` [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` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] [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` [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: build failed [INFO] running `Command { std: "docker" "inspect" "f2ea88543dbd92fc107ded20f37a0507938f25c03b0c53b4626d2fe39d46e7de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2ea88543dbd92fc107ded20f37a0507938f25c03b0c53b4626d2fe39d46e7de", kill_on_drop: false }` [INFO] [stdout] f2ea88543dbd92fc107ded20f37a0507938f25c03b0c53b4626d2fe39d46e7de