[INFO] fetching crate bnf_sampler 0.3.8...
[INFO] testing bnf_sampler-0.3.8 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate bnf_sampler 0.3.8 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate bnf_sampler 0.3.8
[INFO] finished tweaking crates.io crate bnf_sampler 0.3.8
[INFO] tweaked toml for crates.io crate bnf_sampler 0.3.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bnf_sampler 0.3.8 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (available: v0.8.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mimalloc v0.1.48
[INFO] [stderr]   Downloaded bnf v0.5.0
[INFO] [stderr]   Downloaded qp-trie v0.8.2
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.44
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcae4b83069124ed6fc731b3c7c1770a153fb6f7ad4672641f363f0fa7abf1f9
[INFO] running `Command { std: "docker" "start" "-a" "bcae4b83069124ed6fc731b3c7c1770a153fb6f7ad4672641f363f0fa7abf1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcae4b83069124ed6fc731b3c7c1770a153fb6f7ad4672641f363f0fa7abf1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcae4b83069124ed6fc731b3c7c1770a153fb6f7ad4672641f363f0fa7abf1f9", kill_on_drop: false }`
[INFO] [stdout] bcae4b83069124ed6fc731b3c7c1770a153fb6f7ad4672641f363f0fa7abf1f9
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13aa1da379587765762b906e40cce601d731f4b0a200741c24f195d5dd7713cd
[INFO] running `Command { std: "docker" "start" "-a" "13aa1da379587765762b906e40cce601d731f4b0a200741c24f195d5dd7713cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling qp-trie v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mimalloc v0.1.48
[INFO] [stderr]    Compiling bnf v0.5.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling bnf_sampler v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sampler.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 218 |         input_token_id: Option<u32>,
[INFO] [stdout] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stdout]     |                 -------------------- the lifetime gets resolved as `'_`
[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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/stack.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<T>, Error> {
[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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/trie.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter {
[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] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter<'_> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.79s
[INFO] running `Command { std: "docker" "inspect" "13aa1da379587765762b906e40cce601d731f4b0a200741c24f195d5dd7713cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13aa1da379587765762b906e40cce601d731f4b0a200741c24f195d5dd7713cd", kill_on_drop: false }`
[INFO] [stdout] 13aa1da379587765762b906e40cce601d731f4b0a200741c24f195d5dd7713cd
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40850768ae2502566a71f6385a0490b2b04b39dc04f61c015d1caa685a053bed
[INFO] running `Command { std: "docker" "start" "-a" "40850768ae2502566a71f6385a0490b2b04b39dc04f61c015d1caa685a053bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling bnf_sampler v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sampler.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 218 |         input_token_id: Option<u32>,
[INFO] [stdout] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stdout]     |                 -------------------- the lifetime gets resolved as `'_`
[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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/stack.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<T>, Error> {
[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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/trie.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter {
[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] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter<'_> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/sampler.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 218 |         input_token_id: Option<u32>,
[INFO] [stdout] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stdout]     |                 -------------------- the lifetime gets resolved as `'_`
[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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/stack.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<T>, Error> {
[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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/trie.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter {
[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] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter<'_> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "40850768ae2502566a71f6385a0490b2b04b39dc04f61c015d1caa685a053bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40850768ae2502566a71f6385a0490b2b04b39dc04f61c015d1caa685a053bed", kill_on_drop: false }`
[INFO] [stdout] 40850768ae2502566a71f6385a0490b2b04b39dc04f61c015d1caa685a053bed
[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 -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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97014b4ef5079ceee5804048f1e4fc39227645de707141dd42801a81672050c6
[INFO] running `Command { std: "docker" "start" "-a" "97014b4ef5079ceee5804048f1e4fc39227645de707141dd42801a81672050c6", kill_on_drop: false }`
[INFO] [stderr] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stderr]   --> src/utils.rs:66:19
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/sampler.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stderr] 218 |         input_token_id: Option<u32>,
[INFO] [stderr] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stderr]     |                 -------------------- the lifetime gets resolved as `'_`
[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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/stack.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<T>, Error> {
[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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stderr]    |                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/trie.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter {
[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] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter<'_> {
[INFO] [stderr]     |                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bnf_sampler` (lib) generated 4 warnings
[INFO] [stderr] warning: `bnf_sampler` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bnf_sampler-cfcf6e060bc6a291)
[INFO] [stderr]    Doc-tests bnf_sampler
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/utils.rs - utils::fix_utf8_escape (line 135) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils.rs - utils::fix_utf8_escape (line 135) stdout ----
[INFO] [stdout] error: expected item, found `"\\symbol"`
[INFO] [stdout]  --> src/utils.rs:136:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | "\\symbol", ["\\", "symbol"]
[INFO] [stdout]   | ^^^^^^^^^^ expected item
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/utils.rs - utils::fix_utf8_escape (line 135)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "97014b4ef5079ceee5804048f1e4fc39227645de707141dd42801a81672050c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97014b4ef5079ceee5804048f1e4fc39227645de707141dd42801a81672050c6", kill_on_drop: false }`
[INFO] [stdout] 97014b4ef5079ceee5804048f1e4fc39227645de707141dd42801a81672050c6
