[INFO] cloning repository https://github.com/Nyefan/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nyefan/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyefan%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyefan%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53b1563ad0a000e02f60c2cc3a07f6a9d8acfc8d
[INFO] checking Nyefan/advent_of_code_2020/53b1563ad0a000e02f60c2cc3a07f6a9d8acfc8d against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyefan%2Fadvent_of_code_2020" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nyefan/advent_of_code_2020 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nyefan/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/Nyefan/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/Nyefan/advent_of_code_2020 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nyefan/advent_of_code_2020 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fc68e0e92b480507783c05f280546f6754e828637534cd48551369e428b8a45
[INFO] running `Command { std: "docker" "start" "-a" "3fc68e0e92b480507783c05f280546f6754e828637534cd48551369e428b8a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc68e0e92b480507783c05f280546f6754e828637534cd48551369e428b8a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc68e0e92b480507783c05f280546f6754e828637534cd48551369e428b8a45", kill_on_drop: false }`
[INFO] [stdout] 3fc68e0e92b480507783c05f280546f6754e828637534cd48551369e428b8a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62f08fb9e13e9d3660d023bd5a0fb8f1387a5831ad87da0b2c0064fcf459005b
[INFO] running `Command { std: "docker" "start" "-a" "62f08fb9e13e9d3660d023bd5a0fb8f1387a5831ad87da0b2c0064fcf459005b", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `country_id` is never read
[INFO] [stdout]   --> src/day_4/passport.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Passport {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub country_id: Option<CountryId>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `column` are never read
[INFO] [stdout]  --> src/day_5/boarding_pass.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BoardingPass {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 7 |     pub row: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub column: usize,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BoardingPass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `country_id` is never read
[INFO] [stdout]   --> src/day_4/passport.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Passport {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub country_id: Option<CountryId>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `column` are never read
[INFO] [stdout]  --> src/day_5/boarding_pass.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BoardingPass {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 7 |     pub row: usize,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub column: usize,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BoardingPass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "62f08fb9e13e9d3660d023bd5a0fb8f1387a5831ad87da0b2c0064fcf459005b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f08fb9e13e9d3660d023bd5a0fb8f1387a5831ad87da0b2c0064fcf459005b", kill_on_drop: false }`
[INFO] [stdout] 62f08fb9e13e9d3660d023bd5a0fb8f1387a5831ad87da0b2c0064fcf459005b