[INFO] cloning repository https://github.com/TobiasForner/aoc2021_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TobiasForner/aoc2021_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobiasForner%2Faoc2021_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobiasForner%2Faoc2021_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c37590af27bc917997e6e2cfb2038429d6357a25
[INFO] testing TobiasForner/aoc2021_rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTobiasForner%2Faoc2021_rust" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TobiasForner/aoc2021_rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TobiasForner/aoc2021_rust
[INFO] finished tweaking git repo https://github.com/TobiasForner/aoc2021_rust
[INFO] tweaked toml for git repo https://github.com/TobiasForner/aoc2021_rust written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/TobiasForner/aoc2021_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.5
[INFO] [stderr]   Downloaded os_str_bytes v4.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded clap v3.0.0-beta.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abc0cb5f2cd7b0b28e4e72d3cddfd694e74f12195034299197f3594ba260c117
[INFO] running `Command { std: "docker" "start" "-a" "abc0cb5f2cd7b0b28e4e72d3cddfd694e74f12195034299197f3594ba260c117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc0cb5f2cd7b0b28e4e72d3cddfd694e74f12195034299197f3594ba260c117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc0cb5f2cd7b0b28e4e72d3cddfd694e74f12195034299197f3594ba260c117", kill_on_drop: false }`
[INFO] [stdout] abc0cb5f2cd7b0b28e4e72d3cddfd694e74f12195034299197f3594ba260c117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261f974d4188aacc0b143eed3c0b48f84cc220d5dff3d88aea14ee9a6431c8d9
[INFO] running `Command { std: "docker" "start" "-a" "261f974d4188aacc0b143eed3c0b48f84cc220d5dff3d88aea14ee9a6431c8d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling os_str_bytes v4.2.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.5
[INFO] [stderr]    Compiling aoc2021_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[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 `aoc2021_rust` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "261f974d4188aacc0b143eed3c0b48f84cc220d5dff3d88aea14ee9a6431c8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261f974d4188aacc0b143eed3c0b48f84cc220d5dff3d88aea14ee9a6431c8d9", kill_on_drop: false }`
[INFO] [stdout] 261f974d4188aacc0b143eed3c0b48f84cc220d5dff3d88aea14ee9a6431c8d9