[INFO] fetching crate bnf_sampler 0.3.8...
[INFO] testing bnf_sampler-0.3.8 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate bnf_sampler 0.3.8 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bnf_sampler 0.3.8 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 53 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb4edfd6f0918b3cd59955273592f2379033884d8f2b472f1045cc48ce148cfb
[INFO] running `Command { std: "docker" "start" "-a" "eb4edfd6f0918b3cd59955273592f2379033884d8f2b472f1045cc48ce148cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4edfd6f0918b3cd59955273592f2379033884d8f2b472f1045cc48ce148cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4edfd6f0918b3cd59955273592f2379033884d8f2b472f1045cc48ce148cfb", kill_on_drop: false }`
[INFO] [stdout] eb4edfd6f0918b3cd59955273592f2379033884d8f2b472f1045cc48ce148cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70d538684614717ddecc2c4090bbf6a084ab78aca66877501a2ec7a2aaa1e3fc
[INFO] running `Command { std: "docker" "start" "-a" "70d538684614717ddecc2c4090bbf6a084ab78aca66877501a2ec7a2aaa1e3fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling qp-trie v0.8.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[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 serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bnf v0.5.0
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sampler.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 218 |         input_token_id: Option<u32>,
[INFO] [stdout] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 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 13.69s
[INFO] running `Command { std: "docker" "inspect" "70d538684614717ddecc2c4090bbf6a084ab78aca66877501a2ec7a2aaa1e3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d538684614717ddecc2c4090bbf6a084ab78aca66877501a2ec7a2aaa1e3fc", kill_on_drop: false }`
[INFO] [stdout] 70d538684614717ddecc2c4090bbf6a084ab78aca66877501a2ec7a2aaa1e3fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a67549ac33b291c5e4d4bc9496c3f81be9a56faf90bb50e51393ab21a3f932da
[INFO] running `Command { std: "docker" "start" "-a" "a67549ac33b291c5e4d4bc9496c3f81be9a56faf90bb50e51393ab21a3f932da", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sampler.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 218 |         input_token_id: Option<u32>,
[INFO] [stdout] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sampler.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 218 |         input_token_id: Option<u32>,
[INFO] [stdout] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 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 0.83s
[INFO] running `Command { std: "docker" "inspect" "a67549ac33b291c5e4d4bc9496c3f81be9a56faf90bb50e51393ab21a3f932da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67549ac33b291c5e4d4bc9496c3f81be9a56faf90bb50e51393ab21a3f932da", kill_on_drop: false }`
[INFO] [stdout] a67549ac33b291c5e4d4bc9496c3f81be9a56faf90bb50e51393ab21a3f932da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 430bb5605c8641b14373292363dc027e1f5edcf6c96abefc4242709676544140
[INFO] running `Command { std: "docker" "start" "-a" "430bb5605c8641b14373292363dc027e1f5edcf6c96abefc4242709676544140", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/sampler.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 218 |         input_token_id: Option<u32>,
[INFO] [stderr] 219 |     ) -> Result<PossibleTokensResult, Error> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 219 |     ) -> Result<PossibleTokensResult<'_>, Error> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 is elided here ^^^^^^^^^^^^^^ the same lifetime is hidden 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] 19 |     pub fn allocate_a_stack(&mut self, capacity: usize) -> Result<FixedBuffer<'_, T>, Error> {
[INFO] [stderr]    |                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 is elided here    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 136 |     pub fn iter(&self, start_node_id: TrieNodeID) -> TerminalsTrieIter<'_> {
[INFO] [stderr]     |                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bnf_sampler` (lib) generated 4 warnings (run `cargo fix --lib -p bnf_sampler` to apply 3 suggestions)
[INFO] [stderr] warning: `bnf_sampler` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bnf_sampler-ba1396b786449c60)
[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 bnf_sampler
[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] 136 | "\\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 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "430bb5605c8641b14373292363dc027e1f5edcf6c96abefc4242709676544140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430bb5605c8641b14373292363dc027e1f5edcf6c96abefc4242709676544140", kill_on_drop: false }`
[INFO] [stdout] 430bb5605c8641b14373292363dc027e1f5edcf6c96abefc4242709676544140
