[INFO] fetching crate static-regular-grammar 2.0.2...
[INFO] testing static-regular-grammar-2.0.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-2
[INFO] extracting crate static-regular-grammar 2.0.2 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate static-regular-grammar 2.0.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e07c0ff818bf0335bc46900b6ba69be7578e7076cda34b8abc4d4b6215c464ad
[INFO] running `Command { std: "docker" "start" "-a" "e07c0ff818bf0335bc46900b6ba69be7578e7076cda34b8abc4d4b6215c464ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e07c0ff818bf0335bc46900b6ba69be7578e7076cda34b8abc4d4b6215c464ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07c0ff818bf0335bc46900b6ba69be7578e7076cda34b8abc4d4b6215c464ad", kill_on_drop: false }`
[INFO] [stdout] e07c0ff818bf0335bc46900b6ba69be7578e7076cda34b8abc4d4b6215c464ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd0752d889b532e4519fac175794f869b6893a7aeff9ad2b99fd9054655e7b47
[INFO] running `Command { std: "docker" "start" "-a" "fd0752d889b532e4519fac175794f869b6893a7aeff9ad2b99fd9054655e7b47", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[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 proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling syn v2.0.51
[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 ciborium v0.2.2
[INFO] [stderr]    Compiling btree-range-map v0.7.2
[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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/byteset.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn ranges(&self) -> Ranges {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided 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] 96 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/charset.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn ranges(&self) -> Ranges {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/utils/automaton.rs:301:74
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton<BTreeSet<&Q>, L>
[INFO] [stdout]     |                             -- the lifetime is named here                   ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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 28.29s
[INFO] running `Command { std: "docker" "inspect" "fd0752d889b532e4519fac175794f869b6893a7aeff9ad2b99fd9054655e7b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0752d889b532e4519fac175794f869b6893a7aeff9ad2b99fd9054655e7b47", kill_on_drop: false }`
[INFO] [stdout] fd0752d889b532e4519fac175794f869b6893a7aeff9ad2b99fd9054655e7b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7b4f13d2786d88b35588b33a04cd419c0ae8d1892f5a7048fcdb573ea2024e6
[INFO] running `Command { std: "docker" "start" "-a" "f7b4f13d2786d88b35588b33a04cd419c0ae8d1892f5a7048fcdb573ea2024e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[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 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 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/byteset.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn ranges(&self) -> Ranges {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided 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] 96 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/charset.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn ranges(&self) -> Ranges {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/utils/automaton.rs:301:74
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton<BTreeSet<&Q>, L>
[INFO] [stdout]     |                             -- the lifetime is named here                   ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/byteset.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn ranges(&self) -> Ranges {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided 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] 96 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/charset.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn ranges(&self) -> Ranges {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/utils/automaton.rs:301:74
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton<BTreeSet<&Q>, L>
[INFO] [stdout]     |                             -- the lifetime is named here                   ^^ the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: 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 39.86s
[INFO] running `Command { std: "docker" "inspect" "f7b4f13d2786d88b35588b33a04cd419c0ae8d1892f5a7048fcdb573ea2024e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b4f13d2786d88b35588b33a04cd419c0ae8d1892f5a7048fcdb573ea2024e6", kill_on_drop: false }`
[INFO] [stdout] f7b4f13d2786d88b35588b33a04cd419c0ae8d1892f5a7048fcdb573ea2024e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14059b72e667faad9fd4a6c4a88ff02a717cbf9f6c2c23832f7a99924f53521a
[INFO] running `Command { std: "docker" "start" "-a" "14059b72e667faad9fd4a6c4a88ff02a717cbf9f6c2c23832f7a99924f53521a", 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/byteset.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn ranges(&self) -> Ranges {
[INFO] [stderr]    |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided 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] 96 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stderr]    |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/charset.rs:126:16
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn ranges(&self) -> Ranges {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn ranges(&self) -> Ranges<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn successors(&self, q: &Q) -> DetSuccessors<'_, Q, L> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/utils/automaton.rs:301:74
[INFO] [stderr]     |
[INFO] [stderr] 301 |     pub fn minimize<'a, P>(&'a self, partition: P) -> DetAutomaton<BTreeSet<&Q>, L>
[INFO] [stderr]     |                             -- the lifetime is named here                   ^^ the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: 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 (run `cargo fix --lib -p static-regular-grammar` to apply 4 suggestions)
[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] warning: `static-regular-grammar` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/static_regular_grammar-1ae3334d235d205b)
[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 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[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 70) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 70) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (119) panicked at src/lib.rs:10:31:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: InvalidBar([98, 97, 97, 97, 97, 114])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5864dbcf7ea2 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5864dbcf7ea2 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5864dbcf7ea2 - std::sys::backtrace::_print_fmt::hec54e31f36456895
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5864dbcf7ea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb1988e8b50fa5f19
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5864dbd06baf - core::fmt::rt::Argument::fmt::h3118a66e1a57a586
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5864dbd06baf - core::fmt::write::hcd056e06a609f600
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5864dbcd5961 - std::io::default_write_fmt::h45f0f9de0268fdcb
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5864dbcd5961 - std::io::Write::write_fmt::hc685c74e0b8ce55d
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5864dbcdabd2 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5864dbcdc50c - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5864dbcdc366 - std::panicking::default_hook::h09da2eaf8f1deadd
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5864dbcdcb95 - std::panicking::panic_with_hook::h13c40d280d130fd3
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5864dbcdca2a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5864dbcdad09 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5864dbcca22d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5864dbd09c00 - core::panicking::panic_fmt::h326b75cf8ee01b13
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14
[INFO] [stdout]   16:     0x5864dbd094a6 - core::result::unwrap_failed::h38baee32fdec5ac8
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5
[INFO] [stdout]   17:     0x5864dbcc9b46 - rust_out::main::_doctest_main_src_lib_rs_70_0::hb11de7ef467e686f
[INFO] [stdout]   18:     0x5864dbcc9ad6 - rust_out::main::he42420d96a9d7f64
[INFO] [stdout]   19:     0x5864dbcc99b3 - core::ops::function::FnOnce::call_once::h69ea4ce53012ff78
[INFO] [stdout]   20:     0x5864dbcc98e6 - std::sys::backtrace::__rust_begin_short_backtrace::h3de91f36bae4c6b1
[INFO] [stdout]   21:     0x5864dbcc98c9 - std::rt::lang_start::{{closure}}::h8b7ae09552e39435
[INFO] [stdout]   22:     0x5864dbcd6c40 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h387c5546b57ddfde
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5864dbcd6c40 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x5864dbcd6c40 - std::panicking::catch_unwind::hc213e1339e7313f3
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x5864dbcd6c40 - std::panic::catch_unwind::h7e2e13142bd98e67
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5864dbcd6c40 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5864dbcd6c40 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5864dbcd6c40 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5864dbcd6c40 - std::panic::catch_unwind::hf2cef20feb3addd6
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5864dbcd6c40 - std::rt::lang_start_internal::h1ca864a6b9355c57
[INFO] [stdout]                                at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5864dbcc98b1 - std::rt::lang_start::h60a8ec71437d48b3
[INFO] [stdout]   32:     0x5864dbcc9f25 - main
[INFO] [stdout]   33:     0x735fc8e491ca - <unknown>
[INFO] [stdout]   34:     0x735fc8e4928b - __libc_start_main
[INFO] [stdout]   35:     0x5864dbcc9735 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 70)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "14059b72e667faad9fd4a6c4a88ff02a717cbf9f6c2c23832f7a99924f53521a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14059b72e667faad9fd4a6c4a88ff02a717cbf9f6c2c23832f7a99924f53521a", kill_on_drop: false }`
[INFO] [stdout] 14059b72e667faad9fd4a6c4a88ff02a717cbf9f6c2c23832f7a99924f53521a
