[INFO] cloning repository https://github.com/kolson22/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kolson22/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolson22%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolson22%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3fa0e5fd5bd4658205479648ec0cf25c84a19b1
[INFO] testing kolson22/aoc-2021 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolson22%2Faoc-2021" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolson22/aoc-2021 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kolson22/aoc-2021
[INFO] finished tweaking git repo https://github.com/kolson22/aoc-2021
[INFO] tweaked toml for git repo https://github.com/kolson22/aoc-2021 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/kolson22/aoc-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be65afa548e7278b0d0cf8877d5a28f88c1b6ffd4dbe80111363cdb9bd343048
[INFO] running `Command { std: "docker" "start" "-a" "be65afa548e7278b0d0cf8877d5a28f88c1b6ffd4dbe80111363cdb9bd343048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be65afa548e7278b0d0cf8877d5a28f88c1b6ffd4dbe80111363cdb9bd343048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be65afa548e7278b0d0cf8877d5a28f88c1b6ffd4dbe80111363cdb9bd343048", kill_on_drop: false }`
[INFO] [stdout] be65afa548e7278b0d0cf8877d5a28f88c1b6ffd4dbe80111363cdb9bd343048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28dd5bd9df7133e95c68a5e8d98943fe5c40b7a0336a37acf4f2e7c23051d1bd
[INFO] running `Command { std: "docker" "start" "-a" "28dd5bd9df7133e95c68a5e8d98943fe5c40b7a0336a37acf4f2e7c23051d1bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/day3/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/day8/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let output = vec![0u32; lines.len()];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/day8/main.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for (idx, line) in lines.iter().enumerate() {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inp`
[INFO] [stdout]   --> src/day8/main.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (inp, out) = line.split_once(" | ").unwrap();
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_inp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/day8/main.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (inp, out) = line.split_once(" | ").unwrap();
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28dd5bd9df7133e95c68a5e8d98943fe5c40b7a0336a37acf4f2e7c23051d1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28dd5bd9df7133e95c68a5e8d98943fe5c40b7a0336a37acf4f2e7c23051d1bd", kill_on_drop: false }`
[INFO] [stdout] 28dd5bd9df7133e95c68a5e8d98943fe5c40b7a0336a37acf4f2e7c23051d1bd