[INFO] cloning repository https://github.com/lolgeny/aoc-24
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolgeny/aoc-24" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Faoc-24", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Faoc-24'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab280be1e8b70bae9d7fd932cde15315556f150b
[INFO] checking lolgeny/aoc-24 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Faoc-24" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lolgeny/aoc-24
[INFO] finished tweaking git repo https://github.com/lolgeny/aoc-24
[INFO] tweaked toml for git repo https://github.com/lolgeny/aoc-24 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lolgeny/aoc-24 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lolgeny/aoc-24 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: `aoc24` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975
[INFO] running `Command { std: "docker" "start" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: `aoc24` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking allocator-api2 v0.2.20
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling cc v1.2.2
[INFO] [stderr]    Compiling coin_cbc_sys v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking foldhash v0.1.3
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rdx v0.0.7
[INFO] [stderr]     Checking tiny_sort v1.0.5
[INFO] [stderr]     Checking radsort v0.1.1
[INFO] [stderr]     Checking glidesort v0.1.2
[INFO] [stderr]     Checking identity-hash v0.1.0
[INFO] [stderr]     Checking smallset v0.1.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking coin_cbc v0.1.8
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking good_lp v1.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]     Checking mimalloc v0.1.43
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking partitions v0.2.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking small-map v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[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/bin/day10.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     if let Some(&l) = elevations.get(&m) && k + 1 == l {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/bin/day21.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |     if level > 0 && let Some(x) = cache.get(&(start, end, level)) {return *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/bin/day10.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/bin/day21.rs:178:21
[INFO] [stdout]     |
[INFO] [stdout] 178 |     if level > 0 && let Some(x) = cache.get(&(start, end, level)) {return *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/bin/day11.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `cell::RefCell`, `iter::once`, and `sync::RwLock`
[INFO] [stdout]  --> src/bin/day21.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{cell::RefCell, collections::{BinaryHeap, VecDeque}, fmt::Display, iter::once, sync::RwLock};
[INFO] [stdout]   |           ^^^^^^^^^^^^^                ^^^^^^^^^^                           ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Set` and `phf_set`
[INFO] [stdout]   --> src/bin/day21.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use phf::{phf_map, phf_set, Map, Set};
[INFO] [stdout]    |                    ^^^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/bin/day21.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{thread_rng, Rng};
[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/bin/day21.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` (bin "day10" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `cell::RefCell`, `iter::once`, and `sync::RwLock`
[INFO] [stdout]  --> src/bin/day21.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{cell::RefCell, collections::{BinaryHeap, VecDeque}, fmt::Display, iter::once, sync::RwLock};
[INFO] [stdout]   |           ^^^^^^^^^^^^^                ^^^^^^^^^^                           ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Set` and `phf_set`
[INFO] [stdout]   --> src/bin/day21.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use phf::{phf_map, phf_set, Map, Set};
[INFO] [stdout]    |                    ^^^^^^^       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/bin/day21.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{thread_rng, Rng};
[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/bin/day21.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] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut rng = thread_rng();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/bin/day21.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut rng = thread_rng();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day21.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut rng = thread_rng();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/bin/day21.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut rng = thread_rng();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc24` (bin "day21" test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] error: could not compile `aoc24` (bin "day21") due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975", kill_on_drop: false }`
[INFO] [stdout] 6616e58b05a575cb274eccad594012e5476847c439d6950596067c0ff23ef975
