[INFO] cloning repository https://github.com/isaacadams/hat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isaacadams/hat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacadams%2Fhat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacadams%2Fhat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 452bd578411b70423dda99a0225dca98db4aa8b6 [INFO] building isaacadams/hat against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacadams%2Fhat" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/isaacadams/hat on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/isaacadams/hat [INFO] finished tweaking git repo https://github.com/isaacadams/hat [INFO] tweaked toml for git repo https://github.com/isaacadams/hat written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/isaacadams/hat 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-targets v0.52.5 [INFO] [stderr] Downloaded colorchoice v1.0.1 [INFO] [stderr] Downloaded is_terminal_polyfill v1.70.0 [INFO] [stderr] Downloaded num_threads v0.1.7 [INFO] [stderr] Downloaded snapbox-macros v0.3.9 [INFO] [stderr] Downloaded toml_datetime v0.6.6 [INFO] [stderr] Downloaded jaq-parse v0.10.0 [INFO] [stderr] Downloaded autocfg v1.3.0 [INFO] [stderr] Downloaded env_filter v0.1.0 [INFO] [stderr] Downloaded rustls-pki-types v1.7.0 [INFO] [stderr] Downloaded env_logger v0.11.3 [INFO] [stderr] Downloaded toml v0.8.13 [INFO] [stderr] Downloaded anyhow v1.0.86 [INFO] [stderr] Downloaded backtrace v0.3.71 [INFO] [stderr] Downloaded json v0.12.4 [INFO] [stderr] Downloaded zerocopy-derive v0.7.34 [INFO] [stderr] Downloaded serde_json v1.0.117 [INFO] [stderr] Downloaded hashbrown v0.14.5 [INFO] [stderr] Downloaded rustls-webpki v0.102.4 [INFO] [stderr] Downloaded zerocopy v0.7.34 [INFO] [stderr] Downloaded winnow v0.6.8 [INFO] [stderr] Downloaded syn v2.0.66 [INFO] [stderr] Downloaded regex v1.10.4 [INFO] [stderr] Downloaded webpki-roots v0.26.1 [INFO] [stderr] Downloaded bytes v1.6.0 [INFO] [stderr] Downloaded rustls v0.22.4 [INFO] [stderr] Downloaded regex-syntax v0.8.3 [INFO] [stderr] Downloaded rustix v0.38.34 [INFO] [stderr] Downloaded indexmap v2.2.6 [INFO] [stderr] Downloaded serde v1.0.203 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.52.5 [INFO] [stderr] Downloaded windows_i686_gnullvm v0.52.5 [INFO] [stderr] Downloaded memchr v2.7.2 [INFO] [stderr] Downloaded toml_edit v0.22.13 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.52.5 [INFO] [stderr] Downloaded flate2 v1.0.30 [INFO] [stderr] Downloaded cc v1.0.98 [INFO] [stderr] Downloaded regex-automata v0.4.6 [INFO] [stderr] Downloaded ureq v2.9.7 [INFO] [stderr] Downloaded evalexpr v11.3.0 [INFO] [stderr] Downloaded chumsky v0.9.3 [INFO] [stderr] Downloaded jaq-core v0.10.1 [INFO] [stderr] Downloaded similar v2.5.0 [INFO] [stderr] Downloaded bitflags v2.5.0 [INFO] [stderr] Downloaded allocator-api2 v0.2.18 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.5 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.5 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.5 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.5 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.5 [INFO] [stderr] Downloaded serde_derive v1.0.203 [INFO] [stderr] Downloaded miniz_oxide v0.7.3 [INFO] [stderr] Downloaded log v0.4.21 [INFO] [stderr] Downloaded tempfile v3.10.1 [INFO] [stderr] Downloaded snapbox v0.4.17 [INFO] [stderr] Downloaded proc-macro2 v1.0.84 [INFO] [stderr] Downloaded either v1.12.0 [INFO] [stderr] Downloaded anstream v0.6.14 [INFO] [stderr] Downloaded fastrand v2.1.0 [INFO] [stderr] Downloaded walkdir v2.5.0 [INFO] [stderr] Downloaded quote v1.0.36 [INFO] [stderr] Downloaded trycmd v0.14.21 [INFO] [stderr] Downloaded unicode-normalization v0.1.23 [INFO] [stderr] Downloaded dyn-clone v1.0.17 [INFO] [stderr] Downloaded hifijson v0.2.1 [INFO] [stderr] Downloaded simplelog v0.12.2 [INFO] [stderr] Downloaded thiserror-impl v1.0.61 [INFO] [stderr] Downloaded thiserror v1.0.61 [INFO] [stderr] Downloaded content_inspector v0.2.4 [INFO] [stderr] Downloaded os_pipe v1.1.5 [INFO] [stderr] Downloaded anstyle-parse v0.2.4 [INFO] [stderr] Downloaded wait-timeout v0.2.0 [INFO] [stderr] Downloaded anstyle-query v1.0.3 [INFO] [stderr] Downloaded anstyle v1.0.7 [INFO] [stderr] Downloaded humantime-serde v1.1.1 [INFO] [stderr] Downloaded dunce v1.0.4 [INFO] [stderr] Downloaded anstyle-wincon v3.0.3 [INFO] [stderr] Downloaded serde_spanned v0.6.6 [INFO] [stderr] Downloaded gjson v0.8.1 [INFO] [stderr] Downloaded winapi-util v0.1.8 [INFO] [stderr] Downloaded libc v0.2.155 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0040e5c01bf6a26c656cfeabda6137f7df8e97afd1bda1e504eae5a59f7842c1 [INFO] running `Command { std: "docker" "start" "-a" "0040e5c01bf6a26c656cfeabda6137f7df8e97afd1bda1e504eae5a59f7842c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0040e5c01bf6a26c656cfeabda6137f7df8e97afd1bda1e504eae5a59f7842c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0040e5c01bf6a26c656cfeabda6137f7df8e97afd1bda1e504eae5a59f7842c1", kill_on_drop: false }` [INFO] [stdout] 0040e5c01bf6a26c656cfeabda6137f7df8e97afd1bda1e504eae5a59f7842c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ed574ff80b8d4b8fbcf06e4583b6ab58d8cd6c68e6dfe28415058745c83153c [INFO] running `Command { std: "docker" "start" "-a" "8ed574ff80b8d4b8fbcf06e4583b6ab58d8cd6c68e6dfe28415058745c83153c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cc v1.0.98 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling untrusted v0.9.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling anstyle-query v1.0.3 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling colorchoice v1.0.1 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling rustls-pki-types v1.7.0 [INFO] [stderr] Compiling anstyle v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling unicode-bidi v0.3.15 [INFO] [stderr] Compiling anstyle-parse v0.2.4 [INFO] [stderr] Compiling miniz_oxide v0.7.3 [INFO] [stderr] Compiling gimli v0.28.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling crc32fast v1.4.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling unicode-normalization v0.1.23 [INFO] [stderr] Compiling deranged v0.3.11 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling zeroize v1.7.0 [INFO] [stderr] Compiling winnow v0.6.8 [INFO] [stderr] Compiling num_threads v0.1.7 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling idna v0.5.0 [INFO] [stderr] Compiling rustc-demangle v0.1.24 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling flate2 v1.0.30 [INFO] [stderr] Compiling webpki-roots v0.26.1 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling bytes v1.6.0 [INFO] [stderr] Compiling base64 v0.22.1 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling time v0.3.36 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling gjson v0.8.1 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling url v2.5.0 [INFO] [stderr] Compiling dotenvy v0.15.7 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling evalexpr v11.3.0 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling addr2line v0.21.0 [INFO] [stderr] Compiling simplelog v0.12.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling env_filter v0.1.0 [INFO] [stderr] Compiling env_logger v0.11.3 [INFO] [stderr] Compiling rustls-webpki v0.102.4 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling ureq v2.9.7 [INFO] [stderr] Compiling toml_datetime v0.6.6 [INFO] [stderr] Compiling serde_spanned v0.6.6 [INFO] [stderr] Compiling toml_edit v0.22.13 [INFO] [stderr] Compiling toml v0.8.13 [INFO] [stderr] Compiling hat v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 13 - fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] 13 + fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.19s [INFO] running `Command { std: "docker" "inspect" "8ed574ff80b8d4b8fbcf06e4583b6ab58d8cd6c68e6dfe28415058745c83153c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ed574ff80b8d4b8fbcf06e4583b6ab58d8cd6c68e6dfe28415058745c83153c", kill_on_drop: false }` [INFO] [stdout] 8ed574ff80b8d4b8fbcf06e4583b6ab58d8cd6c68e6dfe28415058745c83153c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86ab916922794d3dd9482d31950cbdf695dc65ff1e7594e5b76d774db27aa53b [INFO] running `Command { std: "docker" "start" "-a" "86ab916922794d3dd9482d31950cbdf695dc65ff1e7594e5b76d774db27aa53b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling zerocopy v0.7.34 [INFO] [stderr] Compiling allocator-api2 v0.2.18 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling either v1.12.0 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling fastrand v2.1.0 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling os_pipe v1.1.5 [INFO] [stderr] Compiling snapbox-macros v0.3.9 [INFO] [stderr] Compiling similar v2.5.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling dunce v1.0.4 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling humantime-serde v1.1.1 [INFO] [stderr] Compiling hifijson v0.2.1 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling dyn-clone v1.0.17 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling content_inspector v0.2.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling chumsky v0.9.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling toml_edit v0.22.13 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling tempfile v3.10.1 [INFO] [stderr] Compiling snapbox v0.4.17 [INFO] [stderr] Compiling jaq-parse v0.10.0 [INFO] [stderr] Compiling toml v0.8.13 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling trycmd v0.14.21 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling env_filter v0.1.0 [INFO] [stderr] Compiling env_logger v0.11.3 [INFO] [stderr] Compiling hat v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling jaq-core v0.10.1 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 13 - fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] 13 + fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] | ^^ ^^ -- the lifetime gets resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | | these lifetimes flow to the output [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 13 - fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] 13 + fn fetch_value<'a>(&'a self, key: &'a str) -> Option> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 27.67s [INFO] running `Command { std: "docker" "inspect" "86ab916922794d3dd9482d31950cbdf695dc65ff1e7594e5b76d774db27aa53b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86ab916922794d3dd9482d31950cbdf695dc65ff1e7594e5b76d774db27aa53b", kill_on_drop: false }` [INFO] [stdout] 86ab916922794d3dd9482d31950cbdf695dc65ff1e7594e5b76d774db27aa53b