[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#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficanwalkonwater%2Fadventofcode2019" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/icanwalkonwater/adventofcode2019 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/icanwalkonwater/adventofcode2019 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" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025
[INFO] running `Command { std: "docker" "start" "9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[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 day6 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[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 `Node`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day7 v0.1.0 (/opt/rustwide/workdir/day07)
[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 `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 `Iter<'_, (Node, Segment)>`
[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] For more information about this error, try `rustc --explain E0308`.
[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 `Iter<'_, (Node, Segment)>`
[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] [stderr] error: could not compile `day3` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day3` (lib) due to 2 previous errors
[INFO] [stdout] warning: field `phase` is never read
[INFO] [stdout]  --> day07/src/amplifier.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Amplifier {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     phase: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Amplifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `phase` is never read
[INFO] [stdout]  --> day07/src/amplifier.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Amplifier {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     phase: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Amplifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025", kill_on_drop: false }`
[INFO] [stdout] 9035630b2db5da10c9f281223dc003a1e19ba7b327b5898e38bc5d3774b74025
