[INFO] fetching crate static-regular-grammar 1.1.1... [INFO] checking static-regular-grammar-1.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate static-regular-grammar 1.1.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate static-regular-grammar 1.1.1 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 crates.io crate static-regular-grammar 1.1.1 [INFO] finished tweaking crates.io crate static-regular-grammar 1.1.1 [INFO] tweaked toml for crates.io crate static-regular-grammar 1.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate static-regular-grammar 1.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded btree-range-map v0.7.0 [INFO] [stderr] Downloaded cc-traits v2.0.0 [INFO] [stderr] Downloaded range-traits v0.3.1 [INFO] [stderr] Downloaded btree-slab v0.6.0 [INFO] [stderr] Downloaded abnf-core v0.5.0 [INFO] [stderr] Downloaded abnf v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0c5eb01dbaed39cd78bcc58854b942625ec06ceef663b4d406e538fbafff9a46 [INFO] running `Command { std: "docker" "start" "-a" "0c5eb01dbaed39cd78bcc58854b942625ec06ceef663b4d406e538fbafff9a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c5eb01dbaed39cd78bcc58854b942625ec06ceef663b4d406e538fbafff9a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c5eb01dbaed39cd78bcc58854b942625ec06ceef663b4d406e538fbafff9a46", kill_on_drop: false }` [INFO] [stdout] 0c5eb01dbaed39cd78bcc58854b942625ec06ceef663b4d406e538fbafff9a46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a14bab713e6186c9e5496826683b2cf57dc7d8b3e8d29a0c099bc75c34d07bc9 [INFO] running `Command { std: "docker" "start" "-a" "a14bab713e6186c9e5496826683b2cf57dc7d8b3e8d29a0c099bc75c34d07bc9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling thiserror v1.0.44 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking cc-traits v2.0.0 [INFO] [stderr] Checking quote v1.0.32 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking btree-slab v0.6.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Compiling indoc v2.0.3 [INFO] [stderr] Checking range-traits v0.3.1 [INFO] [stderr] Checking sha2 v0.10.7 [INFO] [stderr] Checking abnf-core v0.5.0 [INFO] [stderr] Checking abnf v0.13.0 [INFO] [stderr] Checking hex_fmt v0.3.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking btree-range-map v0.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.44 [INFO] [stderr] Checking static-regular-grammar v1.1.1 (/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 { [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: Debug + Copy + Ord + Hash { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 78 | fn peek(&self) -> Option; [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: [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; [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: Default + IntoIterator { [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) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option) [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: 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 { [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: Debug + Copy + Ord + Hash { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 78 | fn peek(&self) -> Option; [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: [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; [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: Default + IntoIterator { [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) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option) [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: 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 { [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: Debug + Copy + Ord + Hash { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 78 | fn peek(&self) -> Option; [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: [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; [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: Default + IntoIterator { [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) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn update(&mut self, set: &K::Set, f: impl Fn(Option<&V>) -> Option) [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] 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 `dev` profile [unoptimized + debuginfo] target(s) in 56.30s [INFO] running `Command { std: "docker" "inspect" "a14bab713e6186c9e5496826683b2cf57dc7d8b3e8d29a0c099bc75c34d07bc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a14bab713e6186c9e5496826683b2cf57dc7d8b3e8d29a0c099bc75c34d07bc9", kill_on_drop: false }` [INFO] [stdout] a14bab713e6186c9e5496826683b2cf57dc7d8b3e8d29a0c099bc75c34d07bc9