[INFO] cloning repository https://github.com/lifematrix/bpe-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lifematrix/bpe-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flifematrix%2Fbpe-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flifematrix%2Fbpe-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b15a950ba8ef733b4e34426dbcf81ed9948ce23f [INFO] checking lifematrix/bpe-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flifematrix%2Fbpe-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lifematrix/bpe-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lifematrix/bpe-rust [INFO] finished tweaking git repo https://github.com/lifematrix/bpe-rust [INFO] tweaked toml for git repo https://github.com/lifematrix/bpe-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lifematrix/bpe-rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2a1f7462d4c8cc1180c7322fb989274a4d7c8b2a7b991a37c8a2df3a9d3efaa [INFO] running `Command { std: "docker" "start" "-a" "a2a1f7462d4c8cc1180c7322fb989274a4d7c8b2a7b991a37c8a2df3a9d3efaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2a1f7462d4c8cc1180c7322fb989274a4d7c8b2a7b991a37c8a2df3a9d3efaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2a1f7462d4c8cc1180c7322fb989274a4d7c8b2a7b991a37c8a2df3a9d3efaa", kill_on_drop: false }` [INFO] [stdout] a2a1f7462d4c8cc1180c7322fb989274a4d7c8b2a7b991a37c8a2df3a9d3efaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b394da67f0fd8b5cc6136073906eb0e4201a460e97c4bc060e1b4e703b13964 [INFO] running `Command { std: "docker" "start" "-a" "8b394da67f0fd8b5cc6136073906eb0e4201a460e97c4bc060e1b4e703b13964", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking fern v0.6.2 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking chrono v0.4.35 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking bpe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fern` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use fern; [INFO] [stdout] | ^^^^ the item `fern` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `warn` [INFO] [stdout] --> src/main.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use log::{info, warn, debug}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/main.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fern` is imported redundantly [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use fern; [INFO] [stdout] | ^^^^ the item `fern` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `warn` [INFO] [stdout] --> src/main.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use log::{info, warn, debug}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/main.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_jobs` [INFO] [stdout] --> src/main.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | let n_jobs = if n_jobs == -1 { num_cpus::get() } else { n_jobs as usize }; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_jobs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n_jobs` [INFO] [stdout] --> src/main.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | let n_jobs = if n_jobs == -1 { num_cpus::get() } else { n_jobs as usize }; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_jobs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:351:13 [INFO] [stdout] | [INFO] [stdout] 351 | let start = Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/main.rs:351:13 [INFO] [stdout] | [INFO] [stdout] 351 | let start = Instant::now(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `uset` is never read [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 22 | struct VocabEntry { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | uset: HashSet, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VocabEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_pairs_stats_naive` is never used [INFO] [stdout] --> src/main.rs:84:4 [INFO] [stdout] | [INFO] [stdout] 84 | fn get_pairs_stats_naive(vocab: &HashMap) -> HashMap<(String, String), i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_vocab_parallel` is never used [INFO] [stdout] --> src/main.rs:210:4 [INFO] [stdout] | [INFO] [stdout] 210 | fn merge_vocab_parallel(vocab: &mut HashMap, best_pair: &(String, String), n_jobs: isize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `uset` is never read [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 22 | struct VocabEntry { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | uset: HashSet, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VocabEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_pairs_stats_naive` is never used [INFO] [stdout] --> src/main.rs:84:4 [INFO] [stdout] | [INFO] [stdout] 84 | fn get_pairs_stats_naive(vocab: &HashMap) -> HashMap<(String, String), i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_vocab_parallel` is never used [INFO] [stdout] --> src/main.rs:210:4 [INFO] [stdout] | [INFO] [stdout] 210 | fn merge_vocab_parallel(vocab: &mut HashMap, best_pair: &(String, String), n_jobs: isize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:393:5 [INFO] [stdout] | [INFO] [stdout] 393 | save_learned(&vocab, &learned_tokens, &learned_pairs, learned_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 393 | let _ = save_learned(&vocab, &learned_tokens, &learned_pairs, learned_path); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:431:5 [INFO] [stdout] | [INFO] [stdout] 431 | bpe_learn(&vocab_path, &learned_path, 37000); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 431 | let _ = bpe_learn(&vocab_path, &learned_path, 37000); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:393:5 [INFO] [stdout] | [INFO] [stdout] 393 | save_learned(&vocab, &learned_tokens, &learned_pairs, learned_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 393 | let _ = save_learned(&vocab, &learned_tokens, &learned_pairs, learned_path); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:431:5 [INFO] [stdout] | [INFO] [stdout] 431 | bpe_learn(&vocab_path, &learned_path, 37000); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 431 | let _ = bpe_learn(&vocab_path, &learned_path, 37000); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.70s [INFO] running `Command { std: "docker" "inspect" "8b394da67f0fd8b5cc6136073906eb0e4201a460e97c4bc060e1b4e703b13964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b394da67f0fd8b5cc6136073906eb0e4201a460e97c4bc060e1b4e703b13964", kill_on_drop: false }` [INFO] [stdout] 8b394da67f0fd8b5cc6136073906eb0e4201a460e97c4bc060e1b4e703b13964