[INFO] fetching crate static-regular-grammar 2.0.2...
[INFO] testing static-regular-grammar-2.0.2 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate static-regular-grammar 2.0.2 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate static-regular-grammar 2.0.2 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02048cd19177fba4dca5d233385e89aa19947e239ee0ebb5bd947a76fb77c731
[INFO] running `Command { std: "docker" "start" "-a" "02048cd19177fba4dca5d233385e89aa19947e239ee0ebb5bd947a76fb77c731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02048cd19177fba4dca5d233385e89aa19947e239ee0ebb5bd947a76fb77c731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02048cd19177fba4dca5d233385e89aa19947e239ee0ebb5bd947a76fb77c731", kill_on_drop: false }`
[INFO] [stdout] 02048cd19177fba4dca5d233385e89aa19947e239ee0ebb5bd947a76fb77c731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c770697ba04e98bb94112e11b8fcca27bb5ed35913471a525ae0fd293d9a6174
[INFO] running `Command { std: "docker" "start" "-a" "c770697ba04e98bb94112e11b8fcca27bb5ed35913471a525ae0fd293d9a6174", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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]    Compiling btree-range-map v0.7.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling 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<Q, L> {
[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<BTreeSet<&Q>, 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<BTreeSet<&'a Q>, L>
[INFO] [stdout]     |                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "c770697ba04e98bb94112e11b8fcca27bb5ed35913471a525ae0fd293d9a6174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c770697ba04e98bb94112e11b8fcca27bb5ed35913471a525ae0fd293d9a6174", kill_on_drop: false }`
[INFO] [stdout] c770697ba04e98bb94112e11b8fcca27bb5ed35913471a525ae0fd293d9a6174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194c436fce896078ddea23187004c9cd36500a222e293e7d5b55121db67456a7
[INFO] running `Command { std: "docker" "start" "-a" "194c436fce896078ddea23187004c9cd36500a222e293e7d5b55121db67456a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling nom v7.1.3
[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 thiserror 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 v2.0.2 (/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<Q, L> {
[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<BTreeSet<&Q>, 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<BTreeSet<&'a Q>, 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<Q, L> {
[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<BTreeSet<&Q>, 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<BTreeSet<&'a Q>, 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 `test` profile [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "194c436fce896078ddea23187004c9cd36500a222e293e7d5b55121db67456a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194c436fce896078ddea23187004c9cd36500a222e293e7d5b55121db67456a7", kill_on_drop: false }`
[INFO] [stdout] 194c436fce896078ddea23187004c9cd36500a222e293e7d5b55121db67456a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef208a8817b1dc27bb1c454059fdaddbdf365fc6be221499abb9aea16ce80934
[INFO] running `Command { std: "docker" "start" "-a" "ef208a8817b1dc27bb1c454059fdaddbdf365fc6be221499abb9aea16ce80934", kill_on_drop: false }`
[INFO] [stderr] warning: struct `DisplayBytes` is never constructed
[INFO] [stderr]   --> src/byteset.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct DisplayBytes<'a>(pub &'a str);
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DisplayString` is never constructed
[INFO] [stderr]   --> src/charset.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct DisplayString<'a>(pub &'a str);
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/byteset.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn ranges(&self) -> Ranges {
[INFO] [stderr]    |                   ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/charset.rs:126:16
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn ranges(&self) -> Ranges {
[INFO] [stderr]     |                   ^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/utils/automaton.rs:238:20
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn successors(&self, q: &Q) -> DetSuccessors<Q, L> {
[INFO] [stderr]     |                       ^^^^^            ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/utils/automaton.rs:301:26
[INFO] [stderr]     |
[INFO] [stderr] 301 |     pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton<BTreeSet<&Q>, L>
[INFO] [stderr]     |                             ^^ this lifetime flows to the output            -- the lifetime gets resolved as `'a`
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 301 |     pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton<BTreeSet<&'a Q>, L>
[INFO] [stderr]     |                                                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: `static-regular-grammar` (lib) generated 6 warnings
[INFO] [stderr] warning: `static-regular-grammar` (lib test) generated 6 warnings (6 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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/static_regular_grammar-ae562e6d64b84877)
[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 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef208a8817b1dc27bb1c454059fdaddbdf365fc6be221499abb9aea16ce80934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef208a8817b1dc27bb1c454059fdaddbdf365fc6be221499abb9aea16ce80934", kill_on_drop: false }`
[INFO] [stdout] ef208a8817b1dc27bb1c454059fdaddbdf365fc6be221499abb9aea16ce80934
