[INFO] fetching crate static-regular-grammar 2.0.1...
[INFO] testing static-regular-grammar-2.0.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate static-regular-grammar 2.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate static-regular-grammar 2.0.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate static-regular-grammar 2.0.1
[INFO] finished tweaking crates.io crate static-regular-grammar 2.0.1
[INFO] tweaked toml for crates.io crate static-regular-grammar 2.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate static-regular-grammar 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded range-traits v0.3.2
[INFO] [stderr]   Downloaded abnf v0.13.0
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[INFO] [stderr]   Downloaded cc-traits v2.0.0
[INFO] [stderr]   Downloaded syn v2.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794bd37c80ecda0e08e2dbfa1cd0b0f275430815b193e8d2d9d40db5a57d0286
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03d59e4898b6797569809e89b1e19e096fba7eecd2e5b39d54e9da95d2d771cf
[INFO] running `Command { std: "docker" "start" "-a" "03d59e4898b6797569809e89b1e19e096fba7eecd2e5b39d54e9da95d2d771cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling cpufeatures v0.2.12
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[INFO] [stderr]    Compiling hex_fmt v0.3.0
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[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling static-regular-grammar v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `fmt_token` and `rust_inner_into_ascii_method_body` are never used
[INFO] [stdout]   --> src/token.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Token: Copy {
[INFO] [stdout]    |           ----- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn fmt_token(&self, f: &mut fmt::Formatter) -> fmt::Result;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn rust_inner_into_ascii_method_body() -> Option<proc_macro2::TokenStream> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/token.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait TokenRange<T: Token>: Debug + Copy + Ord + Hash {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn peek(&self) -> Option<T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `peek`, `intersects_range`, and `merge_with` are never used
[INFO] [stdout]    --> src/token.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 81  | pub trait TokenSet<T: Token>:
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn is_empty(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |     fn len(&self) -> usize;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 103 |
[INFO] [stdout] 104 |     fn peek(&self) -> Option<T>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 105 |
[INFO] [stdout] 106 |     fn intersects_range(&self, range: T::Range) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |
[INFO] [stdout] 108 |     fn merge_with(&mut self, other: Self);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `iter`, `insert`, `update_range`, and `update` are never used
[INFO] [stdout]    --> src/token.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub trait TokenMap<K: Token, V>: Default + IntoIterator<Item = (K::Range, V)> {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn is_empty(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 121 |
[INFO] [stdout] 122 |     fn len(&self) -> usize;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 123 |
[INFO] [stdout] 124 |     fn iter(&self) -> Self::Iter<'_>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn insert(&mut self, set: K::Set, value: V)
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn update_range(&mut self, range: K::Range, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get2_mut` is never used
[INFO] [stdout]    --> src/utils.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait Get2Mut {
[INFO] [stdout]     |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn get2_mut(&mut self, a: usize, b: usize) -> (&mut Self::Item, &mut Self::Item);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.43s
[INFO] running `Command { std: "docker" "inspect" "03d59e4898b6797569809e89b1e19e096fba7eecd2e5b39d54e9da95d2d771cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d59e4898b6797569809e89b1e19e096fba7eecd2e5b39d54e9da95d2d771cf", kill_on_drop: false }`
[INFO] [stdout] 03d59e4898b6797569809e89b1e19e096fba7eecd2e5b39d54e9da95d2d771cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6370abc668fa22c7c3dd175450785a5b9859b54f3d39a18890336671d04979
[INFO] running `Command { std: "docker" "start" "-a" "5d6370abc668fa22c7c3dd175450785a5b9859b54f3d39a18890336671d04979", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling abnf-core v0.5.0
[INFO] [stderr]    Compiling abnf v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling btree-range-map v0.7.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling static-regular-grammar v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `fmt_token` and `rust_inner_into_ascii_method_body` are never used
[INFO] [stdout]   --> src/token.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Token: Copy {
[INFO] [stdout]    |           ----- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn fmt_token(&self, f: &mut fmt::Formatter) -> fmt::Result;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn rust_inner_into_ascii_method_body() -> Option<proc_macro2::TokenStream> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/token.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait TokenRange<T: Token>: Debug + Copy + Ord + Hash {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn peek(&self) -> Option<T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `peek`, `intersects_range`, and `merge_with` are never used
[INFO] [stdout]    --> src/token.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 81  | pub trait TokenSet<T: Token>:
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn is_empty(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |     fn len(&self) -> usize;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 103 |
[INFO] [stdout] 104 |     fn peek(&self) -> Option<T>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 105 |
[INFO] [stdout] 106 |     fn intersects_range(&self, range: T::Range) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |
[INFO] [stdout] 108 |     fn merge_with(&mut self, other: Self);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `iter`, `insert`, `update_range`, and `update` are never used
[INFO] [stdout]    --> src/token.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub trait TokenMap<K: Token, V>: Default + IntoIterator<Item = (K::Range, V)> {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn is_empty(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 121 |
[INFO] [stdout] 122 |     fn len(&self) -> usize;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 123 |
[INFO] [stdout] 124 |     fn iter(&self) -> Self::Iter<'_>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn insert(&mut self, set: K::Set, value: V)
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn update_range(&mut self, range: K::Range, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get2_mut` is never used
[INFO] [stdout]    --> src/utils.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait Get2Mut {
[INFO] [stdout]     |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn get2_mut(&mut self, a: usize, b: usize) -> (&mut Self::Item, &mut Self::Item);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fmt_token` and `rust_inner_into_ascii_method_body` are never used
[INFO] [stdout]   --> src/token.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Token: Copy {
[INFO] [stdout]    |           ----- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn fmt_token(&self, f: &mut fmt::Formatter) -> fmt::Result;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn rust_inner_into_ascii_method_body() -> Option<proc_macro2::TokenStream> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]   --> src/token.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait TokenRange<T: Token>: Debug + Copy + Ord + Hash {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn peek(&self) -> Option<T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `peek`, `intersects_range`, and `merge_with` are never used
[INFO] [stdout]    --> src/token.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 81  | pub trait TokenSet<T: Token>:
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn is_empty(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |     fn len(&self) -> usize;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 103 |
[INFO] [stdout] 104 |     fn peek(&self) -> Option<T>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 105 |
[INFO] [stdout] 106 |     fn intersects_range(&self, range: T::Range) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |
[INFO] [stdout] 108 |     fn merge_with(&mut self, other: Self);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `len`, `iter`, `insert`, `update_range`, and `update` are never used
[INFO] [stdout]    --> src/token.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub trait TokenMap<K: Token, V>: Default + IntoIterator<Item = (K::Range, V)> {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn is_empty(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 121 |
[INFO] [stdout] 122 |     fn len(&self) -> usize;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 123 |
[INFO] [stdout] 124 |     fn iter(&self) -> Self::Iter<'_>;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn insert(&mut self, set: K::Set, value: V)
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn update_range(&mut self, range: K::Range, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get2_mut` is never used
[INFO] [stdout]    --> src/utils.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait Get2Mut {
[INFO] [stdout]     |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn get2_mut(&mut self, a: usize, b: usize) -> (&mut Self::Item, &mut Self::Item);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] unable to cache regular automaton: Read-only file system (os error 30)
[INFO] [stderr] unable to cache regular automaton: Read-only file system (os error 30)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.59s
[INFO] running `Command { std: "docker" "inspect" "5d6370abc668fa22c7c3dd175450785a5b9859b54f3d39a18890336671d04979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6370abc668fa22c7c3dd175450785a5b9859b54f3d39a18890336671d04979", kill_on_drop: false }`
[INFO] [stdout] 5d6370abc668fa22c7c3dd175450785a5b9859b54f3d39a18890336671d04979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0c1d47cf9379cfcd0bbd419bf8cf6fe721cac6fbf083683028a3dcbc22b437
[INFO] running `Command { std: "docker" "start" "-a" "2b0c1d47cf9379cfcd0bbd419bf8cf6fe721cac6fbf083683028a3dcbc22b437", kill_on_drop: false }`
[INFO] [stderr] warning: associated items `fmt_token` and `rust_inner_into_ascii_method_body` are never used
[INFO] [stderr]   --> src/token.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub trait Token: Copy {
[INFO] [stderr]    |           ----- associated items in this trait
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn fmt_token(&self, f: &mut fmt::Formatter) -> fmt::Result;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 63 |     fn rust_inner_into_ascii_method_body() -> Option<proc_macro2::TokenStream> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `peek` is never used
[INFO] [stderr]   --> src/token.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub trait TokenRange<T: Token>: Debug + Copy + Ord + Hash {
[INFO] [stderr]    |           ---------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 78 |     fn peek(&self) -> Option<T>;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_empty`, `len`, `peek`, `intersects_range`, and `merge_with` are never used
[INFO] [stderr]    --> src/token.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 81  | pub trait TokenSet<T: Token>:
[INFO] [stderr]     |           -------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 100 |     fn is_empty(&self) -> bool;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 101 |
[INFO] [stderr] 102 |     fn len(&self) -> usize;
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 103 |
[INFO] [stderr] 104 |     fn peek(&self) -> Option<T>;
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 105 |
[INFO] [stderr] 106 |     fn intersects_range(&self, range: T::Range) -> bool;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 107 |
[INFO] [stderr] 108 |     fn merge_with(&mut self, other: Self);
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_empty`, `len`, `iter`, `insert`, `update_range`, and `update` are never used
[INFO] [stderr]    --> src/token.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub trait TokenMap<K: Token, V>: Default + IntoIterator<Item = (K::Range, V)> {
[INFO] [stderr]     |           -------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 120 |     fn is_empty(&self) -> bool;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 121 |
[INFO] [stderr] 122 |     fn len(&self) -> usize;
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 123 |
[INFO] [stderr] 124 |     fn iter(&self) -> Self::Iter<'_>;
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 130 |     fn insert(&mut self, set: K::Set, value: V)
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 134 |     fn update_range(&mut self, range: K::Range, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 138 |     fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option<V>)
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get2_mut` is never used
[INFO] [stderr]    --> src/utils.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub trait Get2Mut {
[INFO] [stderr]     |           ------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 123 |     fn get2_mut(&mut self, a: usize, b: usize) -> (&mut Self::Item, &mut Self::Item);
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `static-regular-grammar` (lib) generated 5 warnings
[INFO] [stderr] warning: `static-regular-grammar` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] unable to cache regular automaton: Read-only file system (os error 30)
[INFO] [stderr] unable to cache regular automaton: Read-only file system (os error 30)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/static_regular_grammar-f69a4cd19a54e121)
[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]    Doc-tests static_regular_grammar
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 110) ... ignored
[INFO] [stdout] test src/lib.rs - (line 136) ... ignored
[INFO] [stdout] test src/lib.rs - (line 154) ... ignored
[INFO] [stdout] test src/lib.rs - (line 160) ... ignored
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b0c1d47cf9379cfcd0bbd419bf8cf6fe721cac6fbf083683028a3dcbc22b437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0c1d47cf9379cfcd0bbd419bf8cf6fe721cac6fbf083683028a3dcbc22b437", kill_on_drop: false }`
[INFO] [stdout] 2b0c1d47cf9379cfcd0bbd419bf8cf6fe721cac6fbf083683028a3dcbc22b437
