[INFO] cloning repository https://github.com/sukovanej/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sukovanej/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsukovanej%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsukovanej%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2246e5aa66e7658121c11c6c544195c2851a847
[INFO] testing sukovanej/advent-of-code-2021 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsukovanej%2Fadvent-of-code-2021" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sukovanej/advent-of-code-2021 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sukovanej/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/sukovanej/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/sukovanej/advent-of-code-2021 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/sukovanej/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d0aa9a2480bc17082e46e91e0461b73599304f427ccf62bbfb4b9d7d39c3e3
[INFO] running `Command { std: "docker" "start" "-a" "64d0aa9a2480bc17082e46e91e0461b73599304f427ccf62bbfb4b9d7d39c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d0aa9a2480bc17082e46e91e0461b73599304f427ccf62bbfb4b9d7d39c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d0aa9a2480bc17082e46e91e0461b73599304f427ccf62bbfb4b9d7d39c3e3", kill_on_drop: false }`
[INFO] [stdout] 64d0aa9a2480bc17082e46e91e0461b73599304f427ccf62bbfb4b9d7d39c3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f54dc4713a67996303fe74e124b35ce7d16ab30acf02ebf60201d873623b16
[INFO] running `Command { std: "docker" "start" "-a" "05f54dc4713a67996303fe74e124b35ce7d16ab30acf02ebf60201d873623b16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `adjecents`
[INFO] [stdout]   --> src/day_09.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let adjecents = get_adjacent(input, item.0, item.1);
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adjecents`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_segments_output`
[INFO] [stdout]   --> src/day_08.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn parse_segments_output(input: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_sorted)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2021` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "05f54dc4713a67996303fe74e124b35ce7d16ab30acf02ebf60201d873623b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f54dc4713a67996303fe74e124b35ce7d16ab30acf02ebf60201d873623b16", kill_on_drop: false }`
[INFO] [stdout] 05f54dc4713a67996303fe74e124b35ce7d16ab30acf02ebf60201d873623b16