[INFO] updating cached repository https://github.com/rernst76/AdventOfCode2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 737ff196540abe07a99f1125551d5360702542d4
[INFO] checking rernst76/AdventOfCode2018 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frernst76%2FAdventOfCode2018" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rernst76/AdventOfCode2018 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rernst76/AdventOfCode2018
[INFO] finished tweaking git repo https://github.com/rernst76/AdventOfCode2018
[INFO] tweaked toml for git repo https://github.com/rernst76/AdventOfCode2018 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rernst76/AdventOfCode2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 784ed200ed95e22c5ba50a8f2bf671be176e90b3e10c8e722e5ae52b8465f205
[INFO] running `"docker" "start" "-a" "784ed200ed95e22c5ba50a8f2bf671be176e90b3e10c8e722e5ae52b8465f205"`
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking AdventOfCode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/slns/d6.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashSet, HashMap, VecDeque};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/slns/d6.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if (area > largest_area_node.1) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/slns/d6.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/slns/d6.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/slns/d6.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashSet, HashMap, VecDeque};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/slns/d6.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if (area > largest_area_node.1) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/slns/d6.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         assert_eq!(find_largest_area(points), 17);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found integer
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected tuple `((i32, i32), i32)`
[INFO] [stderr]                 found type `{integer}`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/slns/d6.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashSet, HashMap, VecDeque};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/slns/d6.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if (area > largest_area_node.1) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `AdventOfCode2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/slns/d6.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashSet, HashMap, VecDeque};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/slns/d6.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if (area > largest_area_node.1) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/slns/d6.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]    --> src/slns/d6.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     None,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/slns/d6.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         assert_eq!(find_largest_area(points), 17);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found integer
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected tuple `((i32, i32), i32)`
[INFO] [stderr]                 found type `{integer}`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `AdventOfCode2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "784ed200ed95e22c5ba50a8f2bf671be176e90b3e10c8e722e5ae52b8465f205"`
[INFO] running `"docker" "rm" "-f" "784ed200ed95e22c5ba50a8f2bf671be176e90b3e10c8e722e5ae52b8465f205"`
[INFO] [stdout] 784ed200ed95e22c5ba50a8f2bf671be176e90b3e10c8e722e5ae52b8465f205
