[INFO] fetching crate ffgen 0.3.5... [INFO] testing ffgen-0.3.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate ffgen 0.3.5 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate ffgen 0.3.5 [INFO] finished tweaking crates.io crate ffgen 0.3.5 [INFO] tweaked toml for crates.io crate ffgen 0.3.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ffgen 0.3.5 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ffgen 0.3.5 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-xid v0.2.2 [INFO] [stderr] Downloaded strum v0.23.0 [INFO] [stderr] Downloaded toml v0.5.8 [INFO] [stderr] Downloaded strum_macros v0.23.1 [INFO] [stderr] Downloaded itoa v0.4.8 [INFO] [stderr] Downloaded sha1 v0.6.0 [INFO] [stderr] Downloaded atty v0.2.14 [INFO] [stderr] Downloaded strsim v0.10.0 [INFO] [stderr] Downloaded terminal_size v0.1.17 [INFO] [stderr] Downloaded winapi-util v0.1.5 [INFO] [stderr] Downloaded hermit-abi v0.1.19 [INFO] [stderr] Downloaded block-buffer v0.10.0 [INFO] [stderr] Downloaded termcolor v1.1.2 [INFO] [stderr] Downloaded clap_derive v3.0.0 [INFO] [stderr] Downloaded anyhow v1.0.52 [INFO] [stderr] Downloaded textwrap v0.14.2 [INFO] [stderr] Downloaded fake v2.4.3 [INFO] [stderr] Downloaded rand v0.8.4 [INFO] [stderr] Downloaded regex-automata v0.1.10 [INFO] [stderr] Downloaded unicode-segmentation v1.8.0 [INFO] [stderr] Downloaded serde_json v1.0.74 [INFO] [stderr] Downloaded hashbrown v0.11.2 [INFO] [stderr] Downloaded chrono v0.4.19 [INFO] [stderr] Downloaded clap v3.0.1 [INFO] [stderr] Downloaded syn v1.0.84 [INFO] [stderr] Downloaded indexmap v1.7.0 [INFO] [stderr] Downloaded serde v1.0.133 [INFO] [stderr] Downloaded memchr v2.4.1 [INFO] [stderr] Downloaded uuid v0.8.2 [INFO] [stderr] Downloaded typenum v1.15.0 [INFO] [stderr] Downloaded bstr v0.2.17 [INFO] [stderr] Downloaded ryu v1.0.9 [INFO] [stderr] Downloaded yaml-rust v0.4.5 [INFO] [stderr] Downloaded serde_yaml v0.8.23 [INFO] [stderr] Downloaded serde_derive v1.0.133 [INFO] [stderr] Downloaded os_str_bytes v6.0.0 [INFO] [stderr] Downloaded clap_complete v3.0.1 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded erased-serde v0.3.17 [INFO] [stderr] Downloaded time v0.1.43 [INFO] [stderr] Downloaded generic-array v0.14.4 [INFO] [stderr] Downloaded digest v0.10.1 [INFO] [stderr] Downloaded wasi v0.10.2+wasi-snapshot-preview1 [INFO] [stderr] Downloaded libc v0.2.112 [INFO] [stderr] Downloaded rustversion v1.0.6 [INFO] [stderr] Downloaded proc-macro2 v1.0.36 [INFO] [stderr] Downloaded csv-core v0.1.10 [INFO] [stderr] Downloaded num-integer v0.1.44 [INFO] [stderr] Downloaded getrandom v0.2.3 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded crypto-common v0.1.1 [INFO] [stderr] Downloaded version_check v0.9.4 [INFO] [stderr] Downloaded md-5 v0.10.0 [INFO] [stderr] Downloaded rand_hc v0.3.1 [INFO] [stderr] Downloaded md5 v0.7.0 [INFO] [stderr] Downloaded itoa v1.0.1 [INFO] [stderr] Downloaded heck v0.3.3 [INFO] [stderr] Downloaded linked-hash-map v0.5.4 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded csv v1.1.6 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32f8ec7978c6d8c73fd2e03fc169bbe8ecbb0f8e7a7635db67df928d6af9e7a0 [INFO] running `Command { std: "docker" "start" "-a" "32f8ec7978c6d8c73fd2e03fc169bbe8ecbb0f8e7a7635db67df928d6af9e7a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32f8ec7978c6d8c73fd2e03fc169bbe8ecbb0f8e7a7635db67df928d6af9e7a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32f8ec7978c6d8c73fd2e03fc169bbe8ecbb0f8e7a7635db67df928d6af9e7a0", kill_on_drop: false }` [INFO] [stdout] 32f8ec7978c6d8c73fd2e03fc169bbe8ecbb0f8e7a7635db67df928d6af9e7a0 [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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8417414e4d33c67224c2eeb2a6d054506bce721940a7159f9fa71abca033572 [INFO] running `Command { std: "docker" "start" "-a" "e8417414e4d33c67224c2eeb2a6d054506bce721940a7159f9fa71abca033572", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling erased-serde v0.3.17 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling textwrap v0.14.2 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling crypto-common v0.1.1 [INFO] [stderr] Compiling block-buffer v0.10.0 [INFO] [stderr] Compiling digest v0.10.1 [INFO] [stderr] Compiling md-5 v0.10.0 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling clap_derive v3.0.0 [INFO] [stderr] Compiling strum_macros v0.23.1 [INFO] [stderr] Compiling strum v0.23.0 [INFO] [stderr] Compiling clap v3.0.1 [INFO] [stderr] Compiling clap_complete v3.0.1 [INFO] [stderr] Compiling ffgen v0.3.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling serde_yaml v0.8.23 [INFO] [stderr] Compiling fake v2.4.3 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stdout] warning: enum `ListCategory` is never used [INFO] [stdout] --> src/cli.rs:137:10 [INFO] [stdout] | [INFO] [stdout] 137 | pub enum ListCategory { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/recipe.rs:144:22 [INFO] [stdout] | [INFO] [stdout] 141 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 142 | rng: &'a mut (impl Rng + ?Sized), [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 143 | group: Option<&str>, [INFO] [stdout] 144 | ) -> Result<(Vec<&str>, impl DataIter + 'a)> { [INFO] [stdout] | ^^^^ -- the same lifetime is named here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 144 | ) -> Result<(Vec<&'a str>, impl DataIter + 'a)> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/recipe.rs:168:22 [INFO] [stdout] | [INFO] [stdout] 165 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 166 | rng: &'a mut (impl Rng + ?Sized), [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 167 | group: Option<&str>, [INFO] [stdout] 168 | ) -> Result<(Vec<&str>, impl DataIter + 'a)> { [INFO] [stdout] | ^^^^ -- the same lifetime is named here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 168 | ) -> Result<(Vec<&'a str>, impl DataIter + 'a)> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.06s [INFO] running `Command { std: "docker" "inspect" "e8417414e4d33c67224c2eeb2a6d054506bce721940a7159f9fa71abca033572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8417414e4d33c67224c2eeb2a6d054506bce721940a7159f9fa71abca033572", kill_on_drop: false }` [INFO] [stdout] e8417414e4d33c67224c2eeb2a6d054506bce721940a7159f9fa71abca033572 [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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91271a4ff30f5d87047f223590f4bf8672035594ef7d0b047cf5972b7a4d3c74 [INFO] running `Command { std: "docker" "start" "-a" "91271a4ff30f5d87047f223590f4bf8672035594ef7d0b047cf5972b7a4d3c74", kill_on_drop: false }` [INFO] [stderr] Compiling ffgen v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `ListCategory` is never used [INFO] [stdout] --> src/cli.rs:137:10 [INFO] [stdout] | [INFO] [stdout] 137 | pub enum ListCategory { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/recipe.rs:144:22 [INFO] [stdout] | [INFO] [stdout] 141 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 142 | rng: &'a mut (impl Rng + ?Sized), [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 143 | group: Option<&str>, [INFO] [stdout] 144 | ) -> Result<(Vec<&str>, impl DataIter + 'a)> { [INFO] [stdout] | ^^^^ -- the same lifetime is named here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 144 | ) -> Result<(Vec<&'a str>, impl DataIter + 'a)> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/recipe.rs:168:22 [INFO] [stdout] | [INFO] [stdout] 165 | &'a self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 166 | rng: &'a mut (impl Rng + ?Sized), [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 167 | group: Option<&str>, [INFO] [stdout] 168 | ) -> Result<(Vec<&str>, impl DataIter + 'a)> { [INFO] [stdout] | ^^^^ -- the same lifetime is named here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 168 | ) -> Result<(Vec<&'a str>, impl DataIter + 'a)> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "91271a4ff30f5d87047f223590f4bf8672035594ef7d0b047cf5972b7a4d3c74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91271a4ff30f5d87047f223590f4bf8672035594ef7d0b047cf5972b7a4d3c74", kill_on_drop: false }` [INFO] [stdout] 91271a4ff30f5d87047f223590f4bf8672035594ef7d0b047cf5972b7a4d3c74 [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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 47fe6b145906aae8392a324269a1f3b5879fa23c666411aa777401db76e32b52 [INFO] running `Command { std: "docker" "start" "-a" "47fe6b145906aae8392a324269a1f3b5879fa23c666411aa777401db76e32b52", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: enum `ListCategory` is never used [INFO] [stderr] --> src/cli.rs:137:10 [INFO] [stderr] | [INFO] [stderr] 137 | pub enum ListCategory { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/recipe.rs:144:22 [INFO] [stderr] | [INFO] [stderr] 141 | &'a self, [INFO] [stderr] | -- the lifetime is named here [INFO] [stderr] 142 | rng: &'a mut (impl Rng + ?Sized), [INFO] [stderr] | -- the lifetime is named here [INFO] [stderr] 143 | group: Option<&str>, [INFO] [stderr] 144 | ) -> Result<(Vec<&str>, impl DataIter + 'a)> { [INFO] [stderr] | ^^^^ -- the same lifetime is named here [INFO] [stderr] | | [INFO] [stderr] | the same lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 144 | ) -> Result<(Vec<&'a str>, impl DataIter + 'a)> { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/recipe.rs:168:22 [INFO] [stderr] | [INFO] [stderr] 165 | &'a self, [INFO] [stderr] | -- the lifetime is named here [INFO] [stderr] 166 | rng: &'a mut (impl Rng + ?Sized), [INFO] [stderr] | -- the lifetime is named here [INFO] [stderr] 167 | group: Option<&str>, [INFO] [stderr] 168 | ) -> Result<(Vec<&str>, impl DataIter + 'a)> { [INFO] [stderr] | ^^^^ -- the same lifetime is named here [INFO] [stderr] | | [INFO] [stderr] | the same lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 168 | ) -> Result<(Vec<&'a str>, impl DataIter + 'a)> { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: `ffgen` (bin "ffgen" test) generated 3 warnings (run `cargo fix --bin "ffgen" -p ffgen --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ffgen-ec66a6be907bad7e) [INFO] running `Command { std: "docker" "inspect" "47fe6b145906aae8392a324269a1f3b5879fa23c666411aa777401db76e32b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47fe6b145906aae8392a324269a1f3b5879fa23c666411aa777401db76e32b52", kill_on_drop: false }` [INFO] [stdout] 47fe6b145906aae8392a324269a1f3b5879fa23c666411aa777401db76e32b52