[INFO] fetching crate kbnf 0.5.7...
[INFO] testing kbnf-0.5.7 against 1.98.0-beta.8 for beta-1.99-5
[INFO] extracting crate kbnf 0.5.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate kbnf 0.5.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kbnf 0.5.7
[INFO] tweaked toml for crates.io crate kbnf 0.5.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kbnf 0.5.7 on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kbnf 0.5.7 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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890
[INFO] running `Command { std: "docker" "start" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", 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" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
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[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling zerocopy v0.8.25
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[INFO] [stderr]    Compiling minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling kbnf-regex-automata v0.4.10
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling jaggedarray v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]    Compiling thiserror-impl v2.0.12
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[INFO] [stderr]    Compiling unescaper v0.1.6
[INFO] [stderr]    Compiling parse-hyperlinks v0.27.2
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling string-interner v0.18.0
[INFO] [stderr]    Compiling kbnf-syntax v0.5.3
[INFO] [stderr]    Compiling kbnf v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]     --> src/engine_base.rs:1685:21
[INFO] [stdout]      |
[INFO] [stdout] 1685 |                 let duration = start_time.elapsed();
[INFO] [stdout]      |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]     --> src/engine_base.rs:1690:17
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             let duration = start_time.elapsed();
[INFO] [stdout]      |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_display_form_from_bitset` is never used
[INFO] [stdout]    --> src/utils.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(crate) fn get_display_form_from_bitset(bitset: &fixedbitset_stack::FixedBitSet) -> Vec<usize> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_NUM` is never used
[INFO] [stdout]   --> src/vocabulary.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BYTES_NUM: usize = 257; // 256 + 1 because jagged array's implementation requires one additional index.
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FirstBytes` is never constructed
[INFO] [stdout]   --> src/vocabulary.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct FirstBytes([u32; BYTES_NUM]);
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/engine.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn shrink_to_fit(&mut self) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:880:9
[INFO] [stdout]     |
[INFO] [stdout] 880 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 881 |         nonterminal_id: NonterminalID<TI>,
[INFO] [stdout] 882 |     ) -> JaggedArrayView<HIRNode<TI>, usize, 2> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 882 |     ) -> JaggedArrayView<'_, HIRNode<TI>, usize, 2> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.88s
[INFO] running `Command { std: "docker" "inspect" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling once_cell v1.21.3
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[INFO] [stderr]    Compiling rayon-core v1.12.1
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[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling plotters-backend v0.3.7
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[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling clap_builder v4.5.38
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling jaggedarray v0.2.11
[INFO] [stderr]    Compiling clap v4.5.38
[INFO] [stderr]    Compiling kbnf v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]     --> src/engine_base.rs:1685:21
[INFO] [stdout]      |
[INFO] [stdout] 1685 |                 let duration = start_time.elapsed();
[INFO] [stdout]      |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]     --> src/engine_base.rs:1690:17
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             let duration = start_time.elapsed();
[INFO] [stdout]      |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_display_form_from_bitset` is never used
[INFO] [stdout]    --> src/utils.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(crate) fn get_display_form_from_bitset(bitset: &fixedbitset_stack::FixedBitSet) -> Vec<usize> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_NUM` is never used
[INFO] [stdout]   --> src/vocabulary.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BYTES_NUM: usize = 257; // 256 + 1 because jagged array's implementation requires one additional index.
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FirstBytes` is never constructed
[INFO] [stdout]   --> src/vocabulary.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct FirstBytes([u32; BYTES_NUM]);
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/engine.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn shrink_to_fit(&mut self) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:880:9
[INFO] [stdout]     |
[INFO] [stdout] 880 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 881 |         nonterminal_id: NonterminalID<TI>,
[INFO] [stdout] 882 |     ) -> JaggedArrayView<HIRNode<TI>, usize, 2> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 882 |     ) -> JaggedArrayView<'_, HIRNode<TI>, usize, 2> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, and `cell::RefCell`
[INFO] [stdout]  --> tests/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         cell::RefCell,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |         sync::{Arc, Mutex},
[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 variable: `logits`
[INFO] [stdout]   --> tests/test.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/test.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         for i in 0..10 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/test.rs:328:13
[INFO] [stdout]     |
[INFO] [stdout] 328 |         for i in 0..10 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/test.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |         for i in 0..10 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:391:13
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:428:13
[INFO] [stdout]     |
[INFO] [stdout] 428 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:466:13
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> tests/test.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |         for j in 0..1 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/test.rs:469:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |             for i in 0..5 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> tests/test.rs:528:13
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let result = engine.try_accept_new_bytes(b"c").unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:542:13
[INFO] [stdout]     |
[INFO] [stdout] 542 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> tests/test.rs:544:13
[INFO] [stdout]     |
[INFO] [stdout] 544 |         for j in 0..1 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/test.rs:545:17
[INFO] [stdout]     |
[INFO] [stdout] 545 |             for i in 0..5 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logits`
[INFO] [stdout]    --> tests/test.rs:624:13
[INFO] [stdout]     |
[INFO] [stdout] 624 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]     --> src/engine_base.rs:1685:21
[INFO] [stdout]      |
[INFO] [stdout] 1685 |                 let duration = start_time.elapsed();
[INFO] [stdout]      |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]     --> src/engine_base.rs:1690:17
[INFO] [stdout]      |
[INFO] [stdout] 1690 |             let duration = start_time.elapsed();
[INFO] [stdout]      |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_display_form_from_bitset` is never used
[INFO] [stdout]    --> src/utils.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(crate) fn get_display_form_from_bitset(bitset: &fixedbitset_stack::FixedBitSet) -> Vec<usize> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTES_NUM` is never used
[INFO] [stdout]   --> src/vocabulary.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const BYTES_NUM: usize = 257; // 256 + 1 because jagged array's implementation requires one additional index.
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FirstBytes` is never constructed
[INFO] [stdout]   --> src/vocabulary.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct FirstBytes([u32; BYTES_NUM]);
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/engine.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn shrink_to_fit(&mut self) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/grammar.rs:880:9
[INFO] [stdout]     |
[INFO] [stdout] 880 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 881 |         nonterminal_id: NonterminalID<TI>,
[INFO] [stdout] 882 |     ) -> JaggedArrayView<HIRNode<TI>, usize, 2> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 882 |     ) -> JaggedArrayView<'_, HIRNode<TI>, usize, 2> {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.74s
[INFO] running `Command { std: "docker" "inspect" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]     --> src/engine_base.rs:1685:21
[INFO] [stderr]      |
[INFO] [stderr] 1685 |                 let duration = start_time.elapsed();
[INFO] [stderr]      |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration`
[INFO] [stderr]     --> src/engine_base.rs:1690:17
[INFO] [stderr]      |
[INFO] [stderr] 1690 |             let duration = start_time.elapsed();
[INFO] [stderr]      |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_display_form_from_bitset` is never used
[INFO] [stderr]    --> src/utils.rs:125:15
[INFO] [stderr]     |
[INFO] [stderr] 125 | pub(crate) fn get_display_form_from_bitset(bitset: &fixedbitset_stack::FixedBitSet) -> Vec<usize> {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BYTES_NUM` is never used
[INFO] [stderr]   --> src/vocabulary.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const BYTES_NUM: usize = 257; // 256 + 1 because jagged array's implementation requires one additional index.
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FirstBytes` is never constructed
[INFO] [stderr]   --> src/vocabulary.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub(crate) struct FirstBytes([u32; BYTES_NUM]);
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a method
[INFO] [stderr]    --> src/engine.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn shrink_to_fit(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 | #![warn(missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/grammar.rs:880:9
[INFO] [stderr]     |
[INFO] [stderr] 880 |         &self,
[INFO] [stderr]     |         ^^^^^ the lifetime is elided here
[INFO] [stderr] 881 |         nonterminal_id: NonterminalID<TI>,
[INFO] [stderr] 882 |     ) -> JaggedArrayView<HIRNode<TI>, usize, 2> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 882 |     ) -> JaggedArrayView<'_, HIRNode<TI>, usize, 2> {
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `kbnf` (lib) generated 7 warnings (run `cargo fix --lib -p kbnf` to apply 3 suggestions)
[INFO] [stderr] warning: `kbnf` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`, and `cell::RefCell`
[INFO] [stderr]  --> tests/test.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         cell::RefCell,
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |         sync::{Arc, Mutex},
[INFO] [stderr]   |                ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]   --> tests/test.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:271:13
[INFO] [stderr]     |
[INFO] [stderr] 271 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/test.rs:273:13
[INFO] [stderr]     |
[INFO] [stderr] 273 |         for i in 0..10 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:301:13
[INFO] [stderr]     |
[INFO] [stderr] 301 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/test.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         for i in 0..10 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:355:13
[INFO] [stderr]     |
[INFO] [stderr] 355 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/test.rs:365:13
[INFO] [stderr]     |
[INFO] [stderr] 365 |         for i in 0..10 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:428:13
[INFO] [stderr]     |
[INFO] [stderr] 428 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:466:13
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> tests/test.rs:468:13
[INFO] [stderr]     |
[INFO] [stderr] 468 |         for j in 0..1 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/test.rs:469:17
[INFO] [stderr]     |
[INFO] [stderr] 469 |             for i in 0..5 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:496:13
[INFO] [stderr]     |
[INFO] [stderr] 496 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> tests/test.rs:528:13
[INFO] [stderr]     |
[INFO] [stderr] 528 |         let result = engine.try_accept_new_bytes(b"c").unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:542:13
[INFO] [stderr]     |
[INFO] [stderr] 542 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> tests/test.rs:544:13
[INFO] [stderr]     |
[INFO] [stderr] 544 |         for j in 0..1 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/test.rs:545:17
[INFO] [stderr]     |
[INFO] [stderr] 545 |             for i in 0..5 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logits`
[INFO] [stderr]    --> tests/test.rs:624:13
[INFO] [stderr]     |
[INFO] [stderr] 624 |         let logits = vec![0.0; vocab.vocab_size()];
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logits`
[INFO] [stderr] 
[INFO] [stderr] warning: `kbnf` (test "test") generated 23 warnings (run `cargo fix --test "test" -p kbnf` to apply 23 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kbnf-1a259bd1391fe09d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-52c0002950194cfb)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::escaped_literal ... ok
[INFO] [stdout] test tests::escaped_character ... ok
[INFO] [stdout] test tests::single_regex2 ... ok
[INFO] [stdout] test tests::substrings ... ok
[INFO] [stdout] test tests::indirect_right_recursion ... ok
[INFO] [stdout] test tests::left_recursion ... ok
[INFO] [stdout] test tests::single_terminal ... ok
[INFO] [stdout] test tests::test_ambiguous_grammar ... ok
[INFO] [stdout] test tests::minimal_case_with_accept_bytes ... ok
[INFO] [stdout] test tests::middle_recursion ... ok
[INFO] [stdout] test tests::minimal_case ... ok
[INFO] [stdout] test tests::single_regex ... ok
[INFO] [stdout] test tests::right_recursion ... ok
[INFO] [stdout] test tests::test_regex_complement ... ok
[INFO] [stdout] test tests::early_regex ... ok
[INFO] [stdout] test tests::always_match_regex ... ok
[INFO] [stdout] test tests::test_json_string ... ok
[INFO] [stdout] test tests::linked_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.98s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kbnf
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 130) ... ok
[INFO] [stdout] test src/lib.rs - (line 168) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890", kill_on_drop: false }`
[INFO] [stdout] 25aaa4593eefca08117dd204175d19a95949c1dd89d1e4b9c15b16fd7487d890
