[INFO] cloning repository https://github.com/ilikeavocadoes/adventofcode-rust-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilikeavocadoes/adventofcode-rust-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filikeavocadoes%2Fadventofcode-rust-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filikeavocadoes%2Fadventofcode-rust-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 046b0465a337b6fd7e2d227447861b9a28f9e2de
[INFO] checking ilikeavocadoes/adventofcode-rust-2020 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filikeavocadoes%2Fadventofcode-rust-2020" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilikeavocadoes/adventofcode-rust-2020 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilikeavocadoes/adventofcode-rust-2020
[INFO] finished tweaking git repo https://github.com/ilikeavocadoes/adventofcode-rust-2020
[INFO] tweaked toml for git repo https://github.com/ilikeavocadoes/adventofcode-rust-2020 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/ilikeavocadoes/adventofcode-rust-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28fe5c06d89ee670019f97aa88bf45100219485f45a436516b8f46b0361d2755
[INFO] running `Command { std: "docker" "start" "-a" "28fe5c06d89ee670019f97aa88bf45100219485f45a436516b8f46b0361d2755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28fe5c06d89ee670019f97aa88bf45100219485f45a436516b8f46b0361d2755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fe5c06d89ee670019f97aa88bf45100219485f45a436516b8f46b0361d2755", kill_on_drop: false }`
[INFO] [stdout] 28fe5c06d89ee670019f97aa88bf45100219485f45a436516b8f46b0361d2755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93006ead1d8eaf62c2c69d9f009ecd73df57645322e52297f2c0ea21b480f435
[INFO] running `Command { std: "docker" "start" "-a" "93006ead1d8eaf62c2c69d9f009ecd73df57645322e52297f2c0ea21b480f435", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode-rust-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `ex`
[INFO] [stdout]  --> src/day13.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn ex() -> &'static str {
[INFO] [stdout]   |    ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/day13.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |         panic!(format!("{} is not invertible", a));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 61 -         panic!(format!("{} is not invertible", a));
[INFO] [stdout] 61 +         panic!("{} is not invertible", a);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex`
[INFO] [stdout]  --> src/day13.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn ex() -> &'static str {
[INFO] [stdout]   |    ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/day13.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |         panic!(format!("{} is not invertible", a));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 61 -         panic!(format!("{} is not invertible", a));
[INFO] [stdout] 61 +         panic!("{} is not invertible", a);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "93006ead1d8eaf62c2c69d9f009ecd73df57645322e52297f2c0ea21b480f435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93006ead1d8eaf62c2c69d9f009ecd73df57645322e52297f2c0ea21b480f435", kill_on_drop: false }`
[INFO] [stdout] 93006ead1d8eaf62c2c69d9f009ecd73df57645322e52297f2c0ea21b480f435