[INFO] cloning repository https://github.com/y21/aoc24 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y21/aoc24" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy21%2Faoc24", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy21%2Faoc24'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0725c14d0a664dfefa57b020ababc15e703b232 [INFO] checking y21/aoc24 against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy21%2Faoc24" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/y21/aoc24 [INFO] finished tweaking git repo https://github.com/y21/aoc24 [INFO] tweaked toml for git repo https://github.com/y21/aoc24 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/y21/aoc24 on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/y21/aoc24 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 919355d5afa5d322e13716ee80bac8661efdab5a4ea70453fb23df0761569e69 [INFO] running `Command { std: "docker" "start" "-a" "919355d5afa5d322e13716ee80bac8661efdab5a4ea70453fb23df0761569e69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "919355d5afa5d322e13716ee80bac8661efdab5a4ea70453fb23df0761569e69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "919355d5afa5d322e13716ee80bac8661efdab5a4ea70453fb23df0761569e69", kill_on_drop: false }` [INFO] [stdout] 919355d5afa5d322e13716ee80bac8661efdab5a4ea70453fb23df0761569e69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1ccf7de96f7072e677325f13537ae61ea30c6bd30570c4c1bc6c214139fb72c [INFO] running `Command { std: "docker" "start" "-a" "d1ccf7de96f7072e677325f13537ae61ea30c6bd30570c4c1bc6c214139fb72c", kill_on_drop: false }` [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking typed-arena v2.0.2 [INFO] [stderr] Checking rustc-hash v2.1.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking aoc24 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:60:16 [INFO] [stdout] | [INFO] [stdout] 60 | if let Ok(y) = usize::try_from(y) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | && let Ok(x) = usize::try_from(x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:92:20 [INFO] [stdout] | [INFO] [stdout] 92 | if let Ok(y) = usize::try_from(y) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:93:24 [INFO] [stdout] | [INFO] [stdout] 93 | && let Ok(x) = usize::try_from(x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | if let Ok(y) = usize::try_from(y) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:111:24 [INFO] [stdout] | [INFO] [stdout] 111 | && let Ok(x) = usize::try_from(x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:60:16 [INFO] [stdout] | [INFO] [stdout] 60 | if let Ok(y) = usize::try_from(y) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 61 | && let Ok(x) = usize::try_from(x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:92:20 [INFO] [stdout] | [INFO] [stdout] 92 | if let Ok(y) = usize::try_from(y) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:93:24 [INFO] [stdout] | [INFO] [stdout] 93 | && let Ok(x) = usize::try_from(x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | if let Ok(y) = usize::try_from(y) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/grid.rs:111:24 [INFO] [stdout] | [INFO] [stdout] 111 | && let Ok(x) = usize::try_from(x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc24` (lib) due to 6 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `aoc24` (lib test) due to 6 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "d1ccf7de96f7072e677325f13537ae61ea30c6bd30570c4c1bc6c214139fb72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1ccf7de96f7072e677325f13537ae61ea30c6bd30570c4c1bc6c214139fb72c", kill_on_drop: false }` [INFO] [stdout] d1ccf7de96f7072e677325f13537ae61ea30c6bd30570c4c1bc6c214139fb72c