[INFO] updating cached repository https://github.com/PumpMagic/aoc_2019_rs
[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] 7b503a34839f5e161720c02a4a9a20249879d3b1
[INFO] checking PumpMagic/aoc_2019_rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPumpMagic%2Faoc_2019_rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PumpMagic/aoc_2019_rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PumpMagic/aoc_2019_rs
[INFO] finished tweaking git repo https://github.com/PumpMagic/aoc_2019_rs
[INFO] tweaked toml for git repo https://github.com/PumpMagic/aoc_2019_rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/PumpMagic/aoc_2019_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 10c0f9146c21480efa818aab473082bc84402140f82079c3f3616be644646763
[INFO] running `"docker" "start" "-a" "10c0f9146c21480efa818aab473082bc84402140f82079c3f3616be644646763"`
[INFO] [stderr]     Checking aoc_2019_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Planet`
[INFO] [stderr]  --> src/bin/6.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Planet<'a> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/bin/6.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     fn new<'b, T>(label: T, orbited_planet: Option<&'b Planet<'b>>) -> Planet<'b>
[INFO] [stderr] 16 | |         where T: Into<String>
[INFO] [stderr] 17 | |     {
[INFO] [stderr] 18 | |         Planet { label: label.into(), orbited_planet: orbited_planet, orbiting_planets: Vec::new() }
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/bin/3.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Planet`
[INFO] [stderr]  --> src/bin/6.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Planet<'a> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/bin/6.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     fn new<'b, T>(label: T, orbited_planet: Option<&'b Planet<'b>>) -> Planet<'b>
[INFO] [stderr] 16 | |         where T: Into<String>
[INFO] [stderr] 17 | |     {
[INFO] [stderr] 18 | |         Planet { label: label.into(), orbited_planet: orbited_planet, orbiting_planets: Vec::new() }
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `"docker" "inspect" "10c0f9146c21480efa818aab473082bc84402140f82079c3f3616be644646763"`
[INFO] running `"docker" "rm" "-f" "10c0f9146c21480efa818aab473082bc84402140f82079c3f3616be644646763"`
[INFO] [stdout] 10c0f9146c21480efa818aab473082bc84402140f82079c3f3616be644646763