[INFO] fetching crate nodb 0.2.2...
[INFO] testing nodb-0.2.2 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate nodb 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate nodb 0.2.2
[INFO] removed 3 missing examples
[INFO] finished tweaking crates.io crate nodb 0.2.2
[INFO] tweaked toml for crates.io crate nodb 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nodb 0.2.2 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] crate crates.io crate nodb 0.2.2 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.22.14
[INFO] [stderr]   Downloaded serde_bytes v0.11.14
[INFO] [stderr]   Downloaded pot v3.0.0
[INFO] [stderr]   Downloaded bytemuck v1.16.0
[INFO] [stderr]   Downloaded bson v2.10.0
[INFO] [stderr]   Downloaded toml v0.8.14
[INFO] [stderr]   Downloaded winnow v0.6.11
[INFO] [stderr]   Downloaded serde_spanned v0.6.6
[INFO] [stderr]   Downloaded uuid v1.8.0
[INFO] [stderr]   Downloaded toml_datetime v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0b8e2aae19e174acd3f1ca3aba5a1e3320f22608c0269ec5cefb321dccf1f1e5
[INFO] running `Command { std: "docker" "start" "-a" "0b8e2aae19e174acd3f1ca3aba5a1e3320f22608c0269ec5cefb321dccf1f1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8e2aae19e174acd3f1ca3aba5a1e3320f22608c0269ec5cefb321dccf1f1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8e2aae19e174acd3f1ca3aba5a1e3320f22608c0269ec5cefb321dccf1f1e5", kill_on_drop: false }`
[INFO] [stdout] 0b8e2aae19e174acd3f1ca3aba5a1e3320f22608c0269ec5cefb321dccf1f1e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3931b3ae250a738b19356a4d845b6d90462247e2967a9e56ee6b38928d75c93b
[INFO] running `Command { std: "docker" "start" "-a" "3931b3ae250a738b19356a4d845b6d90462247e2967a9e56ee6b38928d75c93b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling winnow v0.6.11
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling bytemuck v1.16.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling bitcode_derive v0.6.0
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling serde_spanned v0.6.6
[INFO] [stderr]    Compiling serde_bytes v0.11.14
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling bitcode v0.6.0
[INFO] [stderr]    Compiling pot v3.0.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling toml_edit v0.22.14
[INFO] [stderr]    Compiling bson v2.10.0
[INFO] [stderr]    Compiling toml v0.8.14
[INFO] [stderr]    Compiling nodb v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt> {
[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] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt<'_>> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt>
[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] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:279:35
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt> {
[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] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt<'_>> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:316:46
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt> {
[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] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt<'_>> {
[INFO] [stdout]     |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:336:45
[INFO] [stdout]     |
[INFO] [stdout] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt>
[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] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |     pub fn iter(&self) -> NoDbIter {
[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] 508 |     pub fn iter(&self) -> NoDbIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:517:33
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter {
[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] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "3931b3ae250a738b19356a4d845b6d90462247e2967a9e56ee6b38928d75c93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3931b3ae250a738b19356a4d845b6d90462247e2967a9e56ee6b38928d75c93b", kill_on_drop: false }`
[INFO] [stdout] 3931b3ae250a738b19356a4d845b6d90462247e2967a9e56ee6b38928d75c93b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d392cc7ddc44cd6287d792e209757087102a963ed1ae7ab75bece97678315b8b
[INFO] running `Command { std: "docker" "start" "-a" "d392cc7ddc44cd6287d792e209757087102a963ed1ae7ab75bece97678315b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodb v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt> {
[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] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt<'_>> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt>
[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] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:279:35
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt> {
[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] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt<'_>> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:316:46
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt> {
[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] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt<'_>> {
[INFO] [stdout]     |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:336:45
[INFO] [stdout]     |
[INFO] [stdout] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt>
[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] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |     pub fn iter(&self) -> NoDbIter {
[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] 508 |     pub fn iter(&self) -> NoDbIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:517:33
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter {
[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] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt> {
[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] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt<'_>> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt>
[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] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stdout]    |                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:279:35
[INFO] [stdout]     |
[INFO] [stdout] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt> {
[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] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt<'_>> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:316:46
[INFO] [stdout]     |
[INFO] [stdout] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt> {
[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] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt<'_>> {
[INFO] [stdout]     |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:336:45
[INFO] [stdout]     |
[INFO] [stdout] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt>
[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] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |     pub fn iter(&self) -> NoDbIter {
[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] 508 |     pub fn iter(&self) -> NoDbIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/nodb.rs:517:33
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter {
[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] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter<'_> {
[INFO] [stdout]     |                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "d392cc7ddc44cd6287d792e209757087102a963ed1ae7ab75bece97678315b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d392cc7ddc44cd6287d792e209757087102a963ed1ae7ab75bece97678315b8b", kill_on_drop: false }`
[INFO] [stdout] d392cc7ddc44cd6287d792e209757087102a963ed1ae7ab75bece97678315b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 05e899ca75ccc174a784fe002684faf5c4eb2d2715adcb3a6dc86316509aba26
[INFO] running `Command { std: "docker" "start" "-a" "05e899ca75ccc174a784fe002684faf5c4eb2d2715adcb3a6dc86316509aba26", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/ext.rs:21:31
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt> {
[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] 21 |     pub fn ladd<V: Serialize>(&mut self, value: V) -> Option<NoDbExt<'_>> {
[INFO] [stderr]    |                                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/ext.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt>
[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] 37 |     pub fn lextend<'b, V, I>(&mut self, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stderr]    |                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/nodb.rs:279:35
[INFO] [stderr]     |
[INFO] [stderr] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt> {
[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] 279 |     pub fn lcreate<N: AsRef<str>>(&mut self, name: N) -> Result<NoDbExt<'_>> {
[INFO] [stderr]     |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/nodb.rs:316:46
[INFO] [stderr]     |
[INFO] [stderr] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt> {
[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] 316 |     pub fn ladd<K: AsRef<str>, V: Serialize>(&mut self, name: K, value: &V) -> Option<NoDbExt<'_>> {
[INFO] [stderr]     |                                                                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/nodb.rs:336:45
[INFO] [stderr]     |
[INFO] [stderr] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt>
[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] 336 |     pub fn lextend<'a, N: AsRef<str>, V, I>(&mut self, name: N, seq: I) -> Option<NoDbExt<'_>>
[INFO] [stderr]     |                                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/nodb.rs:508:17
[INFO] [stderr]     |
[INFO] [stderr] 508 |     pub fn iter(&self) -> NoDbIter {
[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] 508 |     pub fn iter(&self) -> NoDbIter<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/nodb.rs:517:33
[INFO] [stderr]     |
[INFO] [stderr] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter {
[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] 517 |     pub fn liter<N: AsRef<str>>(&self, name: N) -> NoDbListIter<'_> {
[INFO] [stderr]     |                                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nodb` (lib) generated 7 warnings
[INFO] [stderr] warning: `nodb` (lib test) generated 7 warnings (7 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/nodb-75ab1912f9d5b02c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nodb
[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 2 tests
[INFO] [stdout] test src/nodb.rs - nodb::NoDb::load (line 87) - compile ... ok
[INFO] [stdout] test src/nodb.rs - nodb::NoDb::new (line 52) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/nodb.rs - nodb::NoDb::new (line 52) stdout ----
[INFO] [stdout] error[E0599]: no variant or associated item named `AutoDump` found for enum `DumpPolicy` in the current scope
[INFO] [stdout]  --> src/nodb.rs:56:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | let mut db = NoDb::new("example.db", DumpPolicy::AutoDump, SerializationMethod::Json);
[INFO] [stdout]   |                                                  ^^^^^^^^ variant or associated item not found in `DumpPolicy`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/nodb.rs - nodb::NoDb::new (line 52)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "05e899ca75ccc174a784fe002684faf5c4eb2d2715adcb3a6dc86316509aba26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e899ca75ccc174a784fe002684faf5c4eb2d2715adcb3a6dc86316509aba26", kill_on_drop: false }`
[INFO] [stdout] 05e899ca75ccc174a784fe002684faf5c4eb2d2715adcb3a6dc86316509aba26
