[INFO] fetching crate metacomplete 2.0.1... [INFO] checking metacomplete-2.0.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate metacomplete 2.0.1 into /workspace/builds/worker-7-tc2/source [INFO] removed /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate metacomplete 2.0.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bef3c55af7f7fddff3b93b457476facceb522d7101eda916d224933986fa7a29 [INFO] running `Command { std: "docker" "start" "-a" "bef3c55af7f7fddff3b93b457476facceb522d7101eda916d224933986fa7a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bef3c55af7f7fddff3b93b457476facceb522d7101eda916d224933986fa7a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bef3c55af7f7fddff3b93b457476facceb522d7101eda916d224933986fa7a29", kill_on_drop: false }` [INFO] [stdout] bef3c55af7f7fddff3b93b457476facceb522d7101eda916d224933986fa7a29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03bfb120893013d62d2a23e41ad6cd6f04b52bf0a3bc7a7e90328dcb54099aef [INFO] running `Command { std: "docker" "start" "-a" "03bfb120893013d62d2a23e41ad6cd6f04b52bf0a3bc7a7e90328dcb54099aef", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking either v1.11.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking never-say-never v6.6.666 [INFO] [stderr] Compiling serde_json v1.0.116 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Compiling fst v0.4.7 [INFO] [stderr] Checking higher-kinded-types v0.1.1 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking polonius-the-crab v0.4.1 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking metacomplete_ptrie v0.7.0 [INFO] [stderr] Checking debug_print v1.0.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling generic-tests v0.1.2 [INFO] [stderr] Compiling synstructure v0.13.0 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling zerofrom-derive v0.1.3 [INFO] [stderr] Compiling yoke-derive v0.7.3 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling derive-new v0.6.0 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking zerofrom v0.1.3 [INFO] [stderr] Checking yoke v0.7.3 [INFO] [stderr] Checking 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] 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)]` 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)]` 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)]` 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] [stderr] error: could not compile `metacomplete` (lib) due to 2 previous errors; 14 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "03bfb120893013d62d2a23e41ad6cd6f04b52bf0a3bc7a7e90328dcb54099aef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03bfb120893013d62d2a23e41ad6cd6f04b52bf0a3bc7a7e90328dcb54099aef", kill_on_drop: false }` [INFO] [stdout] 03bfb120893013d62d2a23e41ad6cd6f04b52bf0a3bc7a7e90328dcb54099aef