[INFO] cloning repository https://github.com/icanwalkonwater/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icanwalkonwater/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficanwalkonwater%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficanwalkonwater%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53df88fd51f4aa7c1102ca0c724fa1b63916d9dd
[INFO] checking icanwalkonwater/adventofcode2019 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficanwalkonwater%2Fadventofcode2019" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icanwalkonwater/adventofcode2019 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/icanwalkonwater/adventofcode2019
[INFO] finished tweaking git repo https://github.com/icanwalkonwater/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/icanwalkonwater/adventofcode2019 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/icanwalkonwater/adventofcode2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65b3ef7e436959ce7735306fc3b257e498feaebf9e622d55d99d5ac9ff8fb5bf
[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" "65b3ef7e436959ce7735306fc3b257e498feaebf9e622d55d99d5ac9ff8fb5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65b3ef7e436959ce7735306fc3b257e498feaebf9e622d55d99d5ac9ff8fb5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b3ef7e436959ce7735306fc3b257e498feaebf9e622d55d99d5ac9ff8fb5bf", kill_on_drop: false }`
[INFO] [stdout] 65b3ef7e436959ce7735306fc3b257e498feaebf9e622d55d99d5ac9ff8fb5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4a2ed210bb5ba1114d0e6d51db4c366bc47ca4bf6c922ce6cb5d3aaedbcd62
[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" "6f4a2ed210bb5ba1114d0e6d51db4c366bc47ca4bf6c922ce6cb5d3aaedbcd62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> day03/src/again.rs:32:48
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn split_at(lhs: &Self, rhs: &Self) -> Self {
[INFO] [stdout]    |            --------                            ^^^^ expected struct `again::Node`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> day03/src/parseit.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     root.iter_neigh()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ expected `()`, found struct `std::slice::Iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                  found struct `std::slice::Iter<'_, (again::Node, Segment)>`
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]    |
[INFO] [stdout] 65 |     root.iter_neigh();
[INFO] [stdout]    |                      ^
[INFO] [stdout] help: try adding a return type
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn split_at_intersection(root: Node) -> std::slice::Iter<'_, (again::Node, Segment)> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `day3`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6f4a2ed210bb5ba1114d0e6d51db4c366bc47ca4bf6c922ce6cb5d3aaedbcd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4a2ed210bb5ba1114d0e6d51db4c366bc47ca4bf6c922ce6cb5d3aaedbcd62", kill_on_drop: false }`
[INFO] [stdout] 6f4a2ed210bb5ba1114d0e6d51db4c366bc47ca4bf6c922ce6cb5d3aaedbcd62