[INFO] cloning repository https://github.com/cjfuller/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjfuller/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjfuller%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjfuller%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3812868da97838653048e63b4d9cb076af58a3b
[INFO] checking cjfuller/adventofcode2020 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjfuller%2Fadventofcode2020" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cjfuller/adventofcode2020
[INFO] finished tweaking git repo https://github.com/cjfuller/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/cjfuller/adventofcode2020 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cjfuller/adventofcode2020 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cjfuller/adventofcode2020 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bfb921087a201734b93dc23456992ec57063f3f52bcfccc0df6e81cbbc03504
[INFO] running `Command { std: "docker" "start" "-a" "6bfb921087a201734b93dc23456992ec57063f3f52bcfccc0df6e81cbbc03504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bfb921087a201734b93dc23456992ec57063f3f52bcfccc0df6e81cbbc03504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfb921087a201734b93dc23456992ec57063f3f52bcfccc0df6e81cbbc03504", kill_on_drop: false }`
[INFO] [stdout] 6bfb921087a201734b93dc23456992ec57063f3f52bcfccc0df6e81cbbc03504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda9342ca0352683422394a81bb14737a61973945f781115c6f84607a24e6056
[INFO] running `Command { std: "docker" "start" "-a" "dda9342ca0352683422394a81bb14737a61973945f781115c6f84607a24e6056", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cid` is never read
[INFO] [stdout]   --> src/d4.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Passport {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has derived impls for the traits `Debug` and `Clone`, but these are 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 `cid` is never read
[INFO] [stdout]   --> src/d4.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Passport {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "dda9342ca0352683422394a81bb14737a61973945f781115c6f84607a24e6056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda9342ca0352683422394a81bb14737a61973945f781115c6f84607a24e6056", kill_on_drop: false }`
[INFO] [stdout] dda9342ca0352683422394a81bb14737a61973945f781115c6f84607a24e6056
