[INFO] fetching crate yrs-lmdb 0.3.0...
[INFO] testing yrs-lmdb-0.3.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate yrs-lmdb 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate yrs-lmdb 0.3.0
[INFO] finished tweaking crates.io crate yrs-lmdb 0.3.0
[INFO] tweaked toml for crates.io crate yrs-lmdb 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yrs-lmdb 0.3.0 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 yrs-lmdb 0.3.0 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 plotters-svg v0.3.6
[INFO] [stderr]   Downloaded plotters-backend v0.3.6
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded lmdb-rs v0.7.6
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded smallstr v0.3.0
[INFO] [stderr]   Downloaded thiserror v1.0.61
[INFO] [stderr]   Downloaded atomic_refcell v0.1.13
[INFO] [stderr]   Downloaded thiserror-impl v1.0.61
[INFO] [stderr]   Downloaded yrs-kvstore v0.3.0
[INFO] [stderr]   Downloaded yrs v0.19.1
[INFO] [stderr]   Downloaded syn v2.0.70
[INFO] [stderr]   Downloaded plotters v0.3.6
[INFO] [stderr]   Downloaded liblmdb-sys v0.2.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16aeba1a8880e6eb5a89da94599921cdf03cbf440323fd3eeb470b00d7963f67
[INFO] running `Command { std: "docker" "start" "-a" "16aeba1a8880e6eb5a89da94599921cdf03cbf440323fd3eeb470b00d7963f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16aeba1a8880e6eb5a89da94599921cdf03cbf440323fd3eeb470b00d7963f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16aeba1a8880e6eb5a89da94599921cdf03cbf440323fd3eeb470b00d7963f67", kill_on_drop: false }`
[INFO] [stdout] 16aeba1a8880e6eb5a89da94599921cdf03cbf440323fd3eeb470b00d7963f67
[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 -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] 25085661046f405c0f6fe59c3be8af0b88b91c39e5e31a901bdac06f960a1696
[INFO] running `Command { std: "docker" "start" "-a" "25085661046f405c0f6fe59c3be8af0b88b91c39e5e31a901bdac06f960a1696", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling smallstr v0.3.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling lmdb-rs v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling yrs v0.19.1
[INFO] [stderr]    Compiling yrs-kvstore v0.3.0
[INFO] [stderr]    Compiling yrs-lmdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `from` and `to` are never read
[INFO] [stdout]    --> src/lib.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct LmdbRange<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 181 |     from: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 182 |     to: Vec<u8>,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OwnedCursorRange` is never constructed
[INFO] [stdout]    --> src/lib.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub(crate) struct OwnedCursorRange<'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `db` are never used
[INFO] [stdout]    --> src/lib.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl<'a> OwnedCursorRange<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 224 |     pub(crate) fn new<const N: usize>(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stdout]     |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stdout]     |                      ^^^^^     ---------
[INFO] [stdout]     |                      |         ||
[INFO] [stdout]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      |         the lifetimes get resolved as `'_`
[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] 243 |     pub(crate) fn db(&self) -> &Database<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.88s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "25085661046f405c0f6fe59c3be8af0b88b91c39e5e31a901bdac06f960a1696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25085661046f405c0f6fe59c3be8af0b88b91c39e5e31a901bdac06f960a1696", kill_on_drop: false }`
[INFO] [stdout] 25085661046f405c0f6fe59c3be8af0b88b91c39e5e31a901bdac06f960a1696
[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 -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] 443c41802421c23788ceda0e938cb2eb97bc293dd13632848ef59ef52afe4867
[INFO] running `Command { std: "docker" "start" "-a" "443c41802421c23788ceda0e938cb2eb97bc293dd13632848ef59ef52afe4867", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stdout] warning: fields `from` and `to` are never read
[INFO] [stdout]    --> src/lib.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct LmdbRange<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 181 |     from: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 182 |     to: Vec<u8>,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OwnedCursorRange` is never constructed
[INFO] [stdout]    --> src/lib.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub(crate) struct OwnedCursorRange<'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `db` are never used
[INFO] [stdout]    --> src/lib.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl<'a> OwnedCursorRange<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 224 |     pub(crate) fn new<const N: usize>(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stdout]     |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stdout]     |                      ^^^^^     ---------
[INFO] [stdout]     |                      |         ||
[INFO] [stdout]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      |         the lifetimes get resolved as `'_`
[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] 243 |     pub(crate) fn db(&self) -> &Database<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling yrs-lmdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `from` and `to` are never read
[INFO] [stdout]    --> src/lib.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct LmdbRange<'a> {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 181 |     from: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 182 |     to: Vec<u8>,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OwnedCursorRange` is never constructed
[INFO] [stdout]    --> src/lib.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub(crate) struct OwnedCursorRange<'a> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `db` are never used
[INFO] [stdout]    --> src/lib.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl<'a> OwnedCursorRange<'a> {
[INFO] [stdout]     | ----------------------------- associated items in this implementation
[INFO] [stdout] 224 |     pub(crate) fn new<const N: usize>(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stdout]     |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stdout]     |                      ^^^^^     ---------
[INFO] [stdout]     |                      |         ||
[INFO] [stdout]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stdout]     |                      |         the lifetimes get resolved as `'_`
[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] 243 |     pub(crate) fn db(&self) -> &Database<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "443c41802421c23788ceda0e938cb2eb97bc293dd13632848ef59ef52afe4867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443c41802421c23788ceda0e938cb2eb97bc293dd13632848ef59ef52afe4867", kill_on_drop: false }`
[INFO] [stdout] 443c41802421c23788ceda0e938cb2eb97bc293dd13632848ef59ef52afe4867
[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 -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] adf075084ca2b3826d94d1719778975e42e1db33984f7967008e9751ecac64ff
[INFO] running `Command { std: "docker" "start" "-a" "adf075084ca2b3826d94d1719778975e42e1db33984f7967008e9751ecac64ff", kill_on_drop: false }`
[INFO] [stderr] warning: fields `from` and `to` are never read
[INFO] [stderr]    --> src/lib.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub struct LmdbRange<'a> {
[INFO] [stderr]     |            --------- fields in this struct
[INFO] [stderr] 181 |     from: Vec<u8>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 182 |     to: Vec<u8>,
[INFO] [stderr]     |     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OwnedCursorRange` is never constructed
[INFO] [stderr]    --> src/lib.rs:215:19
[INFO] [stderr]     |
[INFO] [stderr] 215 | pub(crate) struct OwnedCursorRange<'a> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `db` are never used
[INFO] [stderr]    --> src/lib.rs:224:19
[INFO] [stderr]     |
[INFO] [stderr] 223 | impl<'a> OwnedCursorRange<'a> {
[INFO] [stderr]     | ----------------------------- associated items in this implementation
[INFO] [stderr] 224 |     pub(crate) fn new<const N: usize>(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stderr]     |                   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:243:22
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub(crate) fn db(&self) -> &Database {
[INFO] [stderr]     |                      ^^^^^     ---------
[INFO] [stderr]     |                      |         ||
[INFO] [stderr]     |                      |         |the lifetimes get resolved as `'_`
[INFO] [stderr]     |                      |         the lifetimes get resolved as `'_`
[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] 243 |     pub(crate) fn db(&self) -> &Database<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `yrs-lmdb` (lib) generated 4 warnings
[INFO] [stderr] warning: `yrs-lmdb` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yrs_lmdb-4f89118466946b31)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/yrs_lmdb-4f89118466946b31` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "adf075084ca2b3826d94d1719778975e42e1db33984f7967008e9751ecac64ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf075084ca2b3826d94d1719778975e42e1db33984f7967008e9751ecac64ff", kill_on_drop: false }`
[INFO] [stdout] adf075084ca2b3826d94d1719778975e42e1db33984f7967008e9751ecac64ff
