[INFO] cloning repository https://github.com/reconbot/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reconbot/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freconbot%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freconbot%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98a4b8111572556f83d99538b89ec87dc9643727
[INFO] testing reconbot/adventofcode2020 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freconbot%2Fadventofcode2020" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reconbot/adventofcode2020 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reconbot/adventofcode2020
[INFO] finished tweaking git repo https://github.com/reconbot/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/reconbot/adventofcode2020 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/reconbot/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d5a7917f6b6e1760c2368049e2d606a0d19b41423e1aa0550e0868b56d65da2
[INFO] running `Command { std: "docker" "start" "-a" "3d5a7917f6b6e1760c2368049e2d606a0d19b41423e1aa0550e0868b56d65da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d5a7917f6b6e1760c2368049e2d606a0d19b41423e1aa0550e0868b56d65da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d5a7917f6b6e1760c2368049e2d606a0d19b41423e1aa0550e0868b56d65da2", kill_on_drop: false }`
[INFO] [stdout] 3d5a7917f6b6e1760c2368049e2d606a0d19b41423e1aa0550e0868b56d65da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 095f66b1e29fd5e8e39bbcb984a5a5856c0ee8017dc2d88f8ab9955fc2b8366f
[INFO] running `Command { std: "docker" "start" "-a" "095f66b1e29fd5e8e39bbcb984a5a5856c0ee8017dc2d88f8ab9955fc2b8366f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:88:52
[INFO] [stdout]    |
[INFO] [stdout] 88 |         children.insert(BagRef::new(Rc::<Bag>::downgrade(child)));
[INFO] [stdout]    |                                                          ^^^^^ expected struct `Bag`, found struct `RefCell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Rc<Bag>`
[INFO] [stdout]               found reference `&Rc<RefCell<Bag>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:89:51
[INFO] [stdout]    |
[INFO] [stdout] 89 |         parents.insert(BagRef::new(Rc::<Bag>::downgrade(parent)));
[INFO] [stdout]    |                                                         ^^^^^^ expected struct `Bag`, found struct `RefCell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Rc<Bag>`
[INFO] [stdout]               found reference `&Rc<RefCell<Bag>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2020` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "095f66b1e29fd5e8e39bbcb984a5a5856c0ee8017dc2d88f8ab9955fc2b8366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095f66b1e29fd5e8e39bbcb984a5a5856c0ee8017dc2d88f8ab9955fc2b8366f", kill_on_drop: false }`
[INFO] [stdout] 095f66b1e29fd5e8e39bbcb984a5a5856c0ee8017dc2d88f8ab9955fc2b8366f