[INFO] cloning repository https://github.com/gatoWololo/adventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gatoWololo/adventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgatoWololo%2FadventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgatoWololo%2FadventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e97450971fb5bba8fac3cbcba7dea00163a80c97
[INFO] checking gatoWololo/adventOfCode2020 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgatoWololo%2FadventOfCode2020" "/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/gatoWololo/adventOfCode2020 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gatoWololo/adventOfCode2020
[INFO] finished tweaking git repo https://github.com/gatoWololo/adventOfCode2020
[INFO] tweaked toml for git repo https://github.com/gatoWololo/adventOfCode2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gatoWololo/adventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 993f3cfd207e85a2394e778fc96e589e49d1ffe0a947d1256e3d90ee43b69e39
[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" "993f3cfd207e85a2394e778fc96e589e49d1ffe0a947d1256e3d90ee43b69e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993f3cfd207e85a2394e778fc96e589e49d1ffe0a947d1256e3d90ee43b69e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993f3cfd207e85a2394e778fc96e589e49d1ffe0a947d1256e3d90ee43b69e39", kill_on_drop: false }`
[INFO] [stdout] 993f3cfd207e85a2394e778fc96e589e49d1ffe0a947d1256e3d90ee43b69e39
[INFO] running `Command { std: "docker" "create" "-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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31aa85e312b0126bf2b73b5999760c6e963f0c9658464382f49674c676e9d63b
[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" "31aa85e312b0126bf2b73b5999760c6e963f0c9658464382f49674c676e9d63b", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking advent_of_code2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `bail`, `ensure`
[INFO] [stdout]  --> src/day5/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{bail, ensure, Context};
[INFO] [stdout]   |              ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day5/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day4/main.rs:47:53
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut cpy: HashSet<&str> = hs.iter().map(|(k, v)| *k).collect();
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bail`, `ensure`
[INFO] [stdout]  --> src/day5/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{bail, ensure, Context};
[INFO] [stdout]   |              ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day5/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/day5/main.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn part1(v: &[Direction], max: u8) -> u8 {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/day5/main.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn part1(v: &[Direction], max: u8) -> u8 {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day5/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut seat_ids = dirs
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day5/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut seat_ids = dirs
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day4/main.rs:47:53
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut cpy: HashSet<&str> = hs.iter().map(|(k, v)| *k).collect();
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "31aa85e312b0126bf2b73b5999760c6e963f0c9658464382f49674c676e9d63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aa85e312b0126bf2b73b5999760c6e963f0c9658464382f49674c676e9d63b", kill_on_drop: false }`
[INFO] [stdout] 31aa85e312b0126bf2b73b5999760c6e963f0c9658464382f49674c676e9d63b