[INFO] fetching crate metacomplete 2.0.1... [INFO] testing metacomplete-2.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate metacomplete 2.0.1 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate metacomplete 2.0.1 [INFO] finished tweaking crates.io crate metacomplete 2.0.1 [INFO] tweaked toml for crates.io crate metacomplete 2.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate metacomplete 2.0.1 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 crates.io crate metacomplete 2.0.1 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] dd9a325a29c3565b7a714b710a583c8990ba4a1975a7e660063c1cc740114cbc [INFO] running `Command { std: "docker" "start" "-a" "dd9a325a29c3565b7a714b710a583c8990ba4a1975a7e660063c1cc740114cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd9a325a29c3565b7a714b710a583c8990ba4a1975a7e660063c1cc740114cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd9a325a29c3565b7a714b710a583c8990ba4a1975a7e660063c1cc740114cbc", kill_on_drop: false }` [INFO] [stdout] dd9a325a29c3565b7a714b710a583c8990ba4a1975a7e660063c1cc740114cbc [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] 81401b5d0aaf2f47b031ed57d8e2e7cbcf5344cff37e2feacff5d1eb8b0580d5 [INFO] running `Command { std: "docker" "start" "-a" "81401b5d0aaf2f47b031ed57d8e2e7cbcf5344cff37e2feacff5d1eb8b0580d5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling never-say-never v6.6.666 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling fst v0.4.7 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling debug_print v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling higher-kinded-types v0.1.1 [INFO] [stderr] Compiling polonius-the-crab v0.4.1 [INFO] [stderr] Compiling metacomplete_ptrie v0.7.0 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.13.0 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling derive-new v0.6.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.3 [INFO] [stderr] Compiling yoke-derive v0.7.3 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling zerofrom v0.1.3 [INFO] [stderr] Compiling yoke v0.7.3 [INFO] [stderr] Compiling metacomplete v2.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:534:20 [INFO] [stdout] | [INFO] [stdout] 534 | if let Some(k) = ps.sets.get(&b) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:562:24 [INFO] [stdout] | [INFO] [stdout] 562 | if let Some(new) = ps.sets.get(&t) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(closure_lifetime_binder)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BinaryHeap`, `Borrow`, `RwLock`, and `hash_map` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | borrow::{Borrow, Cow}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 6 | hash_map, BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | sync::{Mutex, 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 import: `edit_distance` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | levenshtein::{self, edit_distance, edit_distance_chars}, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trace` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:21:31 [INFO] [stdout] | [INFO] [stdout] 21 | use tracing::{debug, enabled, trace, Level}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug_print::debug_println` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use debug_print::debug_println; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `polonius_return` and `polonius` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:24:25 [INFO] [stdout] | [INFO] [stdout] 24 | use polonius_the_crab::{polonius, polonius_return}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:500:17 [INFO] [stdout] | [INFO] [stdout] 500 | 'ped: for m in set { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Standard` [INFO] [stdout] --> src/levenshtein/mod.rs:126:45 [INFO] [stdout] | [INFO] [stdout] 126 | use rand::distributions::{Alphanumeric, Standard}; [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: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 import: `io::Read` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | io::Read, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | fmt::{Display, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/strprox/prefix/fst/mod.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | state: &mut (), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ed` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:499:24 [INFO] [stdout] | [INFO] [stdout] 499 | for (_ix, (ed, set)) in sorted.into_iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_entries` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:519:9 [INFO] [stdout] | [INFO] [stdout] 519 | num_entries: usize, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_entries` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n2` [INFO] [stdout] --> src/strprox/prefix/meta/mod.rs:854:85 [INFO] [stdout] | [INFO] [stdout] 854 | self.traverse_inverted_index(m1.clone(), depth, character, |id, n2| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_n2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `metacomplete` (lib) due to 5 previous errors; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "81401b5d0aaf2f47b031ed57d8e2e7cbcf5344cff37e2feacff5d1eb8b0580d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81401b5d0aaf2f47b031ed57d8e2e7cbcf5344cff37e2feacff5d1eb8b0580d5", kill_on_drop: false }` [INFO] [stdout] 81401b5d0aaf2f47b031ed57d8e2e7cbcf5344cff37e2feacff5d1eb8b0580d5