[INFO] fetching crate assertor 0.0.4... [INFO] checking assertor-0.0.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate assertor 0.0.4 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate assertor 0.0.4 [INFO] finished tweaking crates.io crate assertor 0.0.4 [INFO] tweaked toml for crates.io crate assertor 0.0.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate assertor 0.0.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate assertor 0.0.4 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded test-case v3.3.1 [INFO] [stderr] Downloaded test-case-macros v3.3.1 [INFO] [stderr] Downloaded test-case-core v3.3.1 [INFO] [stderr] Downloaded syn v2.0.102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba451a4eade0abf7262dea8b1d70ec2268c5a4d957dd23e482fc3cdb73d0ed5e [INFO] running `Command { std: "docker" "start" "-a" "ba451a4eade0abf7262dea8b1d70ec2268c5a4d957dd23e482fc3cdb73d0ed5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba451a4eade0abf7262dea8b1d70ec2268c5a4d957dd23e482fc3cdb73d0ed5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba451a4eade0abf7262dea8b1d70ec2268c5a4d957dd23e482fc3cdb73d0ed5e", kill_on_drop: false }` [INFO] [stdout] ba451a4eade0abf7262dea8b1d70ec2268c5a4d957dd23e482fc3cdb73d0ed5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d6650e07777bf072c70614ab29f717b806a50d00c0a45d6cbe810f99c35537e [INFO] running `Command { std: "docker" "start" "-a" "6d6650e07777bf072c70614ab29f717b806a50d00c0a45d6cbe810f99c35537e", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.102 [INFO] [stderr] Checking assertor v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/cow.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | fn deref(&self) -> Subject; [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] 54 | fn deref(&self) -> Subject<'_, Y, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/cow.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | fn deref(&self) -> Subject { [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] 78 | fn deref(&self) -> Subject<'_, Y, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/map.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | fn key_set<'b>(&'b self) -> Subject, (), R> [INFO] [stdout] | ^^ -------------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'b` [INFO] [stdout] | | the lifetimes get resolved as `'b` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 143 | fn key_set<'b>(&'b self) -> Subject<'b, ML::It<'b>, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/map.rs:385:21 [INFO] [stdout] | [INFO] [stdout] 385 | fn key_set<'b>(&'b self) -> Subject, (), R> [INFO] [stdout] | ^^ -------------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'b` [INFO] [stdout] | | the lifetimes get resolved as `'b` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 385 | fn key_set<'b>(&'b self) -> Subject<'b, ML::It<'b>, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/option.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | fn some(&self) -> Subject [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] 66 | fn some(&self) -> Subject<'_, T, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/option.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | fn some(&self) -> Subject [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] 123 | fn some(&self) -> Subject<'_, T, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:58:11 [INFO] [stdout] | [INFO] [stdout] 58 | fn ok(&self) -> Subject; [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] 58 | fn ok(&self) -> Subject<'_, OK, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | fn err(&self) -> Subject; [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] 62 | fn err(&self) -> Subject<'_, ERR, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:133:11 [INFO] [stdout] | [INFO] [stdout] 133 | fn ok(&self) -> Subject { [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] 133 | fn ok(&self) -> Subject<'_, OK, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | fn err(&self) -> Subject { [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] 138 | fn err(&self) -> Subject<'_, ERR, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/base.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 171 | ) -> Subject; [INFO] [stdout] | ---------------------------- the lifetime gets resolved as `'_` [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] 171 | ) -> Subject<'_, NewSub, NewOpt, Ret>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/base.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 238 | ) -> Subject { [INFO] [stdout] | ---------------------------- the lifetime gets resolved as `'_` [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] 238 | ) -> Subject<'_, NewSub, NewOpt, Ret> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling test-case-core v3.3.1 [INFO] [stderr] Compiling test-case-macros v3.3.1 [INFO] [stderr] Checking test-case v3.3.1 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/cow.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | fn deref(&self) -> Subject; [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] 54 | fn deref(&self) -> Subject<'_, Y, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/cow.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | fn deref(&self) -> Subject { [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] 78 | fn deref(&self) -> Subject<'_, Y, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/map.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | fn key_set<'b>(&'b self) -> Subject, (), R> [INFO] [stdout] | ^^ -------------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'b` [INFO] [stdout] | | the lifetimes get resolved as `'b` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 143 | fn key_set<'b>(&'b self) -> Subject<'b, ML::It<'b>, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/map.rs:385:21 [INFO] [stdout] | [INFO] [stdout] 385 | fn key_set<'b>(&'b self) -> Subject, (), R> [INFO] [stdout] | ^^ -------------------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'b` [INFO] [stdout] | | the lifetimes get resolved as `'b` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'b` [INFO] [stdout] | [INFO] [stdout] 385 | fn key_set<'b>(&'b self) -> Subject<'b, ML::It<'b>, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/option.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | fn some(&self) -> Subject [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] 66 | fn some(&self) -> Subject<'_, T, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/option.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | fn some(&self) -> Subject [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] 123 | fn some(&self) -> Subject<'_, T, (), R> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:58:11 [INFO] [stdout] | [INFO] [stdout] 58 | fn ok(&self) -> Subject; [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] 58 | fn ok(&self) -> Subject<'_, OK, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | fn err(&self) -> Subject; [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] 62 | fn err(&self) -> Subject<'_, ERR, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:133:11 [INFO] [stdout] | [INFO] [stdout] 133 | fn ok(&self) -> Subject { [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] 133 | fn ok(&self) -> Subject<'_, OK, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/result.rs:138:12 [INFO] [stdout] | [INFO] [stdout] 138 | fn err(&self) -> Subject { [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] 138 | fn err(&self) -> Subject<'_, ERR, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/testing.rs:46:44 [INFO] [stdout] | [INFO] [stdout] 46 | fn fact_value_for_key>(&self, key: I) -> Subject; [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] 46 | fn fact_value_for_key>(&self, key: I) -> Subject<'_, String, (), R>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/testing.rs:86:44 [INFO] [stdout] | [INFO] [stdout] 86 | fn fact_value_for_key>(&self, key: I) -> Subject { [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] 86 | fn fact_value_for_key>(&self, key: I) -> Subject<'_, String, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/assertions/testing.rs:112:18 [INFO] [stdout] | [INFO] [stdout] 112 | fn fact_keys(&self) -> Subject, (), R> { [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] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 112 | fn fact_keys(&self) -> Subject<'_, HashSet<&String>, (), R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/base.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 171 | ) -> Subject; [INFO] [stdout] | ---------------------------- the lifetime gets resolved as `'_` [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] 171 | ) -> Subject<'_, NewSub, NewOpt, Ret>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/base.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 238 | ) -> Subject { [INFO] [stdout] | ---------------------------- the lifetime gets resolved as `'_` [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] 238 | ) -> Subject<'_, NewSub, NewOpt, Ret> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s [INFO] running `Command { std: "docker" "inspect" "6d6650e07777bf072c70614ab29f717b806a50d00c0a45d6cbe810f99c35537e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d6650e07777bf072c70614ab29f717b806a50d00c0a45d6cbe810f99c35537e", kill_on_drop: false }` [INFO] [stdout] 6d6650e07777bf072c70614ab29f717b806a50d00c0a45d6cbe810f99c35537e