[INFO] cloning repository https://github.com/kyranet/advent-of-code-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyranet/advent-of-code-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyranet%2Fadvent-of-code-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyranet%2Fadvent-of-code-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7e652ed113f1d07735e2e23ea957b54f49156f3
[INFO] testing kyranet/advent-of-code-2024 against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyranet%2Fadvent-of-code-2024" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kyranet/advent-of-code-2024
[INFO] finished tweaking git repo https://github.com/kyranet/advent-of-code-2024
[INFO] tweaked toml for git repo https://github.com/kyranet/advent-of-code-2024 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyranet/advent-of-code-2024 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyranet/advent-of-code-2024 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75e13cab403c2e5635713b58dde0db4c825d57411233c0b2cb77a428e2a34fb8
[INFO] running `Command { std: "docker" "start" "-a" "75e13cab403c2e5635713b58dde0db4c825d57411233c0b2cb77a428e2a34fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e13cab403c2e5635713b58dde0db4c825d57411233c0b2cb77a428e2a34fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e13cab403c2e5635713b58dde0db4c825d57411233c0b2cb77a428e2a34fb8", kill_on_drop: false }`
[INFO] [stdout] 75e13cab403c2e5635713b58dde0db4c825d57411233c0b2cb77a428e2a34fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91a112497aa6ca33557ccc4adf9bceb91d6305fa58f1c22a7812578527d43ee
[INFO] running `Command { std: "docker" "start" "-a" "d91a112497aa6ca33557ccc4adf9bceb91d6305fa58f1c22a7812578527d43ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-03b-mull-it-over v0.1.0 (/opt/rustwide/workdir/day-03b-mull-it-over)
[INFO] [stderr]    Compiling day-01a-historian-hysteria v0.1.0 (/opt/rustwide/workdir/day-01a-historian-hysteria)
[INFO] [stderr]    Compiling day-01b-historian-hysteria v0.1.0 (/opt/rustwide/workdir/day-01b-historian-hysteria)
[INFO] [stderr]    Compiling day-02b-red-nosed-reports v0.1.0 (/opt/rustwide/workdir/day-02b-red-nosed-reports)
[INFO] [stderr]    Compiling day-02a-red-nosed-reports v0.1.0 (/opt/rustwide/workdir/day-02a-red-nosed-reports)
[INFO] [stderr]    Compiling day-04a-ceres-search v0.1.0 (/opt/rustwide/workdir/day-04a-ceres-search)
[INFO] [stderr]    Compiling day-03a-mull-it-over v0.1.0 (/opt/rustwide/workdir/day-03a-mull-it-over)
[INFO] [stderr]    Compiling day-04b-ceres-search v0.1.0 (/opt/rustwide/workdir/day-04b-ceres-search)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> day-02b-red-nosed-reports/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_map_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day-02b-red-nosed-reports` (bin "day-02b-red-nosed-reports") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> day-02a-red-nosed-reports/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_map_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> day-02a-red-nosed-reports/src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_chain)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iter_chain` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> day-02a-red-nosed-reports/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_chain)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day-02a-red-nosed-reports` (bin "day-02a-red-nosed-reports") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d91a112497aa6ca33557ccc4adf9bceb91d6305fa58f1c22a7812578527d43ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91a112497aa6ca33557ccc4adf9bceb91d6305fa58f1c22a7812578527d43ee", kill_on_drop: false }`
[INFO] [stdout] d91a112497aa6ca33557ccc4adf9bceb91d6305fa58f1c22a7812578527d43ee