[INFO] fetching crate static-regular-grammar 2.0.2... [INFO] checking static-regular-grammar-2.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate static-regular-grammar 2.0.2 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate static-regular-grammar 2.0.2 [INFO] finished tweaking crates.io crate static-regular-grammar 2.0.2 [INFO] tweaked toml for crates.io crate static-regular-grammar 2.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate static-regular-grammar 2.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate static-regular-grammar 2.0.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 v0.7.2 [INFO] [stderr] Downloaded cc-traits v2.0.0 [INFO] [stderr] Downloaded abnf v0.13.0 [INFO] [stderr] Downloaded btree-slab v0.6.1 [INFO] [stderr] Downloaded range-traits v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e35c60f6c1a5c293754ce8e1e1dfd437a7f712576539e64da191cfaa50f72ceb [INFO] running `Command { std: "docker" "start" "-a" "e35c60f6c1a5c293754ce8e1e1dfd437a7f712576539e64da191cfaa50f72ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e35c60f6c1a5c293754ce8e1e1dfd437a7f712576539e64da191cfaa50f72ceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e35c60f6c1a5c293754ce8e1e1dfd437a7f712576539e64da191cfaa50f72ceb", kill_on_drop: false }` [INFO] [stdout] e35c60f6c1a5c293754ce8e1e1dfd437a7f712576539e64da191cfaa50f72ceb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c1554023dda85358ccecf12c038f03df289b917f033068ed0e8b14abbe228ea [INFO] running `Command { std: "docker" "start" "-a" "7c1554023dda85358ccecf12c038f03df289b917f033068ed0e8b14abbe228ea", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Checking range-traits v0.3.2 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Compiling indoc v2.0.4 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking hex_fmt v0.3.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Compiling cc-traits v2.0.0 [INFO] [stderr] Checking syn v2.0.51 [INFO] [stderr] Compiling btree-slab v0.6.1 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling sha2 v0.10.8 [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] Checking btree-range-map v0.7.2 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking static-regular-grammar v2.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DisplayBytes` is never constructed [INFO] [stdout] --> src/byteset.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DisplayBytes<'a>(pub &'a str); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DisplayString` is never constructed [INFO] [stdout] --> src/charset.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct DisplayString<'a>(pub &'a str); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/byteset.rs:96:16 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn ranges(&self) -> Ranges { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 96 | pub fn ranges(&self) -> Ranges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/charset.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | pub fn ranges(&self) -> Ranges { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 126 | pub fn ranges(&self) -> Ranges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/automaton.rs:238:20 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn successors(&self, q: &Q) -> DetSuccessors { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 238 | pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/automaton.rs:301:26 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DisplayBytes` is never constructed [INFO] [stdout] --> src/byteset.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DisplayBytes<'a>(pub &'a str); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DisplayString` is never constructed [INFO] [stdout] --> src/charset.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct DisplayString<'a>(pub &'a str); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/byteset.rs:96:16 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn ranges(&self) -> Ranges { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 96 | pub fn ranges(&self) -> Ranges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/charset.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | pub fn ranges(&self) -> Ranges { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 126 | pub fn ranges(&self) -> Ranges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/automaton.rs:238:20 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn successors(&self, q: &Q) -> DetSuccessors { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 238 | pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/automaton.rs:301:26 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DisplayBytes` is never constructed [INFO] [stdout] --> src/byteset.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DisplayBytes<'a>(pub &'a str); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DisplayString` is never constructed [INFO] [stdout] --> src/charset.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct DisplayString<'a>(pub &'a str); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/byteset.rs:96:16 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn ranges(&self) -> Ranges { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 96 | pub fn ranges(&self) -> Ranges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/charset.rs:126:16 [INFO] [stdout] | [INFO] [stdout] 126 | pub fn ranges(&self) -> Ranges { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 126 | pub fn ranges(&self) -> Ranges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/automaton.rs:238:20 [INFO] [stdout] | [INFO] [stdout] 238 | pub fn successors(&self, q: &Q) -> DetSuccessors { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 238 | pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/utils/automaton.rs:301:26 [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | ^^ this lifetime flows to the output -- the lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 301 | pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton, L> [INFO] [stdout] | ++ [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 34.99s [INFO] running `Command { std: "docker" "inspect" "7c1554023dda85358ccecf12c038f03df289b917f033068ed0e8b14abbe228ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c1554023dda85358ccecf12c038f03df289b917f033068ed0e8b14abbe228ea", kill_on_drop: false }` [INFO] [stdout] 7c1554023dda85358ccecf12c038f03df289b917f033068ed0e8b14abbe228ea