[INFO] cloning repository https://github.com/KasraF/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KasraF/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64677ffa273783918a1b6350f9cabf88ce6f5577
[INFO] checking KasraF/AdventOfCode2020 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FAdventOfCode2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KasraF/AdventOfCode2020 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KasraF/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/KasraF/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/KasraF/AdventOfCode2020 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/KasraF/AdventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06bc90ee6d2e0cba634482f29426ebcfe357c1aec2caaca1dd016716508d09cf
[INFO] running `Command { std: "docker" "start" "-a" "06bc90ee6d2e0cba634482f29426ebcfe357c1aec2caaca1dd016716508d09cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bc90ee6d2e0cba634482f29426ebcfe357c1aec2caaca1dd016716508d09cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bc90ee6d2e0cba634482f29426ebcfe357c1aec2caaca1dd016716508d09cf", kill_on_drop: false }`
[INFO] [stdout] 06bc90ee6d2e0cba634482f29426ebcfe357c1aec2caaca1dd016716508d09cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 601f0903e24daf56bac76e5f752c5458bf9d9162a724c28e098f48e0fb4aa5eb
[INFO] running `Command { std: "docker" "start" "-a" "601f0903e24daf56bac76e5f752c5458bf9d9162a724c28e098f48e0fb4aa5eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/day_4.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `row`
[INFO] [stdout]   --> src/day_5.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     row: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `col`
[INFO] [stdout]   --> src/day_5.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     col: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/day_4.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `row`
[INFO] [stdout]   --> src/day_5.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     row: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `col`
[INFO] [stdout]   --> src/day_5.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     col: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "601f0903e24daf56bac76e5f752c5458bf9d9162a724c28e098f48e0fb4aa5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601f0903e24daf56bac76e5f752c5458bf9d9162a724c28e098f48e0fb4aa5eb", kill_on_drop: false }`
[INFO] [stdout] 601f0903e24daf56bac76e5f752c5458bf9d9162a724c28e098f48e0fb4aa5eb