[INFO] fetching crate oy 0.1.0... [INFO] checking oy-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate oy 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate oy 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate oy 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate oy 0.1.0 [INFO] tweaked toml for crates.io crate oy 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate oy 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a522e9363a9496408a55881fb054e3a7257f5de63d513636563f595026cb6640 [INFO] running `Command { std: "docker" "start" "-a" "a522e9363a9496408a55881fb054e3a7257f5de63d513636563f595026cb6640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a522e9363a9496408a55881fb054e3a7257f5de63d513636563f595026cb6640", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a522e9363a9496408a55881fb054e3a7257f5de63d513636563f595026cb6640", kill_on_drop: false }` [INFO] [stdout] a522e9363a9496408a55881fb054e3a7257f5de63d513636563f595026cb6640 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 841686f29391a5872898c56303554667399a07fa5aa246815e7dc7e7ef8a0402 [INFO] running `Command { std: "docker" "start" "-a" "841686f29391a5872898c56303554667399a07fa5aa246815e7dc7e7ef8a0402", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling inventory v0.1.10 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling core-error v0.0.1-rc4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking dirs-next v1.0.2 [INFO] [stderr] Compiling inventory-impl v0.1.10 [INFO] [stderr] Compiling ctor v0.1.19 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling oy-derive v0.1.1 [INFO] [stderr] Compiling rustyline-derive v0.3.1 [INFO] [stderr] Checking rustyline v6.3.0 [INFO] [stderr] Checking oy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:15:74 [INFO] [stdout] | [INFO] [stdout] 15 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 23 | fn get_field_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 26 | ) -> crate::Result<'a, &mut dyn crate::Interactive> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:118:74 [INFO] [stdout] | [INFO] [stdout] 118 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:132:74 [INFO] [stdout] | [INFO] [stdout] 132 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:138:28 [INFO] [stdout] | [INFO] [stdout] 135 | fn get_field_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 138 | ) -> crate::Result<'a, &mut dyn crate::Interactive> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:153:74 [INFO] [stdout] | [INFO] [stdout] 153 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:159:28 [INFO] [stdout] | [INFO] [stdout] 156 | fn get_field_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 159 | ) -> crate::Result<'a, &mut dyn crate::Interactive> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:174:74 [INFO] [stdout] | [INFO] [stdout] 174 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:189:74 [INFO] [stdout] | [INFO] [stdout] 189 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:225:67 [INFO] [stdout] | [INFO] [stdout] 225 | fn get_queried_object<'a>(&'a self, query: &'a str) -> Result<'_, (&dyn Interactive, &str)> { [INFO] [stdout] | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:225:72 [INFO] [stdout] | [INFO] [stdout] 225 | fn get_queried_object<'a>(&'a self, query: &'a str) -> Result<'_, (&dyn Interactive, &str)> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:225:90 [INFO] [stdout] | [INFO] [stdout] 225 | fn get_queried_object<'a>(&'a self, query: &'a str) -> Result<'_, (&dyn Interactive, &str)> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:247:17 [INFO] [stdout] | [INFO] [stdout] 244 | fn get_queried_object_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 247 | ) -> Result<'_, (&mut dyn Interactive, &str)> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:247:22 [INFO] [stdout] | [INFO] [stdout] 244 | fn get_queried_object_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 247 | ) -> Result<'_, (&mut dyn Interactive, &str)> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:247:44 [INFO] [stdout] | [INFO] [stdout] 244 | fn get_queried_object_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 247 | ) -> Result<'_, (&mut dyn Interactive, &str)> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:15:74 [INFO] [stdout] | [INFO] [stdout] 15 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:26:28 [INFO] [stdout] | [INFO] [stdout] 23 | fn get_field_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 26 | ) -> crate::Result<'a, &mut dyn crate::Interactive> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:118:74 [INFO] [stdout] | [INFO] [stdout] 118 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:132:74 [INFO] [stdout] | [INFO] [stdout] 132 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:138:28 [INFO] [stdout] | [INFO] [stdout] 135 | fn get_field_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 138 | ) -> crate::Result<'a, &mut dyn crate::Interactive> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:153:74 [INFO] [stdout] | [INFO] [stdout] 153 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:159:28 [INFO] [stdout] | [INFO] [stdout] 156 | fn get_field_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 159 | ) -> crate::Result<'a, &mut dyn crate::Interactive> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:174:74 [INFO] [stdout] | [INFO] [stdout] 174 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/interactive.rs:189:74 [INFO] [stdout] | [INFO] [stdout] 189 | fn get_field<'a>(&'a self, field_name: &'a str) -> crate::Result<'a, &dyn crate::Interactive> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:225:67 [INFO] [stdout] | [INFO] [stdout] 225 | fn get_queried_object<'a>(&'a self, query: &'a str) -> Result<'_, (&dyn Interactive, &str)> { [INFO] [stdout] | -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:225:72 [INFO] [stdout] | [INFO] [stdout] 225 | fn get_queried_object<'a>(&'a self, query: &'a str) -> Result<'_, (&dyn Interactive, &str)> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:225:90 [INFO] [stdout] | [INFO] [stdout] 225 | fn get_queried_object<'a>(&'a self, query: &'a str) -> Result<'_, (&dyn Interactive, &str)> { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:247:17 [INFO] [stdout] | [INFO] [stdout] 244 | fn get_queried_object_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 247 | ) -> Result<'_, (&mut dyn Interactive, &str)> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:247:22 [INFO] [stdout] | [INFO] [stdout] 244 | fn get_queried_object_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 247 | ) -> Result<'_, (&mut dyn Interactive, &str)> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/root.rs:247:44 [INFO] [stdout] | [INFO] [stdout] 244 | fn get_queried_object_mut<'a>( [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 247 | ) -> Result<'_, (&mut dyn Interactive, &str)> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | #![feature(str_split_once)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | #![feature(str_split_once)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/root.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(str_split_once)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NoDebug` is never constructed [INFO] [stdout] --> tests/hygiene.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct NoDebug; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ChildStruct` is never constructed [INFO] [stdout] --> tests/hygiene.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct ChildStruct { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `yes` is never used [INFO] [stdout] --> tests/hygiene.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl ChildStruct { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 20 | fn yes(&mut self, _a: f32, _b: &str, _c: &mut str) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Root` is never constructed [INFO] [stdout] --> tests/hygiene.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Root { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/derive.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | struct Inner(bool, Option); [INFO] [stdout] | ----- ^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Inner` has derived impls for the traits `Default` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.56s [INFO] running `Command { std: "docker" "inspect" "841686f29391a5872898c56303554667399a07fa5aa246815e7dc7e7ef8a0402", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "841686f29391a5872898c56303554667399a07fa5aa246815e7dc7e7ef8a0402", kill_on_drop: false }` [INFO] [stdout] 841686f29391a5872898c56303554667399a07fa5aa246815e7dc7e7ef8a0402