[INFO] fetching crate essence_macros 0.2.1...
[INFO] testing essence_macros-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate essence_macros 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate essence_macros 0.2.1
[INFO] finished tweaking crates.io crate essence_macros 0.2.1
[INFO] tweaked toml for crates.io crate essence_macros 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate essence_macros 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--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]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.20.11 (available: v0.21.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0376127d612431ae7104b0a6fae593718f352faed3336337c4adfe906592c83c
[INFO] running `Command { std: "docker" "start" "-a" "0376127d612431ae7104b0a6fae593718f352faed3336337c4adfe906592c83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0376127d612431ae7104b0a6fae593718f352faed3336337c4adfe906592c83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0376127d612431ae7104b0a6fae593718f352faed3336337c4adfe906592c83c", kill_on_drop: false }`
[INFO] [stdout] 0376127d612431ae7104b0a6fae593718f352faed3336337c4adfe906592c83c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332c4221d59c74e09b0968ecc03a7fa1800398907f871127d80383f1490ca810
[INFO] running `Command { std: "docker" "start" "-a" "332c4221d59c74e09b0968ecc03a7fa1800398907f871127d80383f1490ca810", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling essence_macros v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let mut pk = opts.pk;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_in` is never read
[INFO] [stdout]   --> src/models.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct FieldOpts {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub is_in: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:235:59
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout]     |                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 235 -         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout] 235 +         let pk_field = self.iter().find(|x| x.pk).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stdout]    --> src/models.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout]  59 + #[derive(Clone)]
[INFO] [stdout]  60 | pub struct FieldOpts {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:351:61
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 351 -     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout] 351 +     let pk_field = field_opts.iter().find(|x| x.pk).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stdout]    --> src/models.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout]  59 + #[derive(Clone)]
[INFO] [stdout]  60 | pub struct FieldOpts {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "332c4221d59c74e09b0968ecc03a7fa1800398907f871127d80383f1490ca810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332c4221d59c74e09b0968ecc03a7fa1800398907f871127d80383f1490ca810", kill_on_drop: false }`
[INFO] [stdout] 332c4221d59c74e09b0968ecc03a7fa1800398907f871127d80383f1490ca810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f013ab50dc601ccd132e6a50200fba021b249c70b92c83c1ed2bc2704a53466
[INFO] running `Command { std: "docker" "start" "-a" "3f013ab50dc601ccd132e6a50200fba021b249c70b92c83c1ed2bc2704a53466", kill_on_drop: false }`
[INFO] [stderr]    Compiling essence_macros v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let mut pk = opts.pk;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_in` is never read
[INFO] [stdout]   --> src/models.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct FieldOpts {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub is_in: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let mut pk = opts.pk;
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:235:59
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout]     |                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 235 -         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout] 235 +         let pk_field = self.iter().find(|x| x.pk).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stdout]    --> src/models.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout]  59 + #[derive(Clone)]
[INFO] [stdout]  60 | pub struct FieldOpts {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:351:61
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 351 -     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout] 351 +     let pk_field = field_opts.iter().find(|x| x.pk).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stdout]    --> src/models.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout]  59 + #[derive(Clone)]
[INFO] [stdout]  60 | pub struct FieldOpts {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_in` is never read
[INFO] [stdout]   --> src/models.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct FieldOpts {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub is_in: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:235:59
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout]     |                                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 235 -         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout] 235 +         let pk_field = self.iter().find(|x| x.pk).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stdout]    --> src/models.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout]  59 + #[derive(Clone)]
[INFO] [stdout]  60 | pub struct FieldOpts {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:351:61
[INFO] [stdout]     |
[INFO] [stdout] 351 |     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 351 -     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stdout] 351 +     let pk_field = field_opts.iter().find(|x| x.pk).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stdout]    --> src/models.rs:59:1
[INFO] [stdout]     |
[INFO] [stdout]  59 + #[derive(Clone)]
[INFO] [stdout]  60 | pub struct FieldOpts {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "3f013ab50dc601ccd132e6a50200fba021b249c70b92c83c1ed2bc2704a53466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f013ab50dc601ccd132e6a50200fba021b249c70b92c83c1ed2bc2704a53466", kill_on_drop: false }`
[INFO] [stdout] 3f013ab50dc601ccd132e6a50200fba021b249c70b92c83c1ed2bc2704a53466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ee7986bc7d4fc815cdc2e0b20e070ffbb1bfd57fcbaea25137906d8d7b62823
[INFO] running `Command { std: "docker" "start" "-a" "8ee7986bc7d4fc815cdc2e0b20e070ffbb1bfd57fcbaea25137906d8d7b62823", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let mut pk = opts.pk;
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_in` is never read
[INFO] [stderr]   --> src/models.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub struct FieldOpts {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub is_in: bool,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FieldOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/lib.rs:235:59
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stderr]     |                                                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 235 -         let pk_field = self.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stderr] 235 +         let pk_field = self.iter().find(|x| x.pk).unwrap();
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stderr]    --> src/models.rs:59:1
[INFO] [stderr]     |
[INFO] [stderr]  59 + #[derive(Clone)]
[INFO] [stderr]  60 | pub struct FieldOpts {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/lib.rs:351:61
[INFO] [stderr]     |
[INFO] [stderr] 351 |     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stderr]     |                                                             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `FieldOpts` does not implement `Clone`, so calling `clone` on `&FieldOpts` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 351 -     let pk_field = field_opts.iter().find(|x| x.pk).unwrap().clone();
[INFO] [stderr] 351 +     let pk_field = field_opts.iter().find(|x| x.pk).unwrap();
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `FieldOpts`, implement `Clone` for it
[INFO] [stderr]    --> src/models.rs:59:1
[INFO] [stderr]     |
[INFO] [stderr]  59 + #[derive(Clone)]
[INFO] [stderr]  60 | pub struct FieldOpts {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `essence_macros` (lib) generated 4 warnings (run `cargo fix --lib -p essence_macros` to apply 3 suggestions)
[INFO] [stderr] warning: `essence_macros` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/essence_macros-7a6caba6d118f051)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests essence_macros
[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 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] running `Command { std: "docker" "inspect" "8ee7986bc7d4fc815cdc2e0b20e070ffbb1bfd57fcbaea25137906d8d7b62823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ee7986bc7d4fc815cdc2e0b20e070ffbb1bfd57fcbaea25137906d8d7b62823", kill_on_drop: false }`
[INFO] [stdout] 8ee7986bc7d4fc815cdc2e0b20e070ffbb1bfd57fcbaea25137906d8d7b62823
