[INFO] fetching crate samotop-async-trait 0.2.1...
[INFO] checking samotop-async-trait-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate samotop-async-trait 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate samotop-async-trait 0.2.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate samotop-async-trait 0.2.1
[INFO] finished tweaking crates.io crate samotop-async-trait 0.2.1
[INFO] tweaked toml for crates.io crate samotop-async-trait 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a529e4555ffd72ff045953f6c4b2f3ed307cdf8a9287173fab9c05a660b2a1d
[INFO] running `Command { std: "docker" "start" "-a" "6a529e4555ffd72ff045953f6c4b2f3ed307cdf8a9287173fab9c05a660b2a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a529e4555ffd72ff045953f6c4b2f3ed307cdf8a9287173fab9c05a660b2a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a529e4555ffd72ff045953f6c4b2f3ed307cdf8a9287173fab9c05a660b2a1d", kill_on_drop: false }`
[INFO] [stdout] 6a529e4555ffd72ff045953f6c4b2f3ed307cdf8a9287173fab9c05a660b2a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac9513539d0de1abc2d4b3d5266aa7fc87a1831d7b95dfabb02c3d389c6962af
[INFO] running `Command { std: "docker" "start" "-a" "ac9513539d0de1abc2d4b3d5266aa7fc87a1831d7b95dfabb02c3d389c6962af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling trybuild v1.0.99
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking dissimilar v1.0.9
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking samotop-async-trait v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `HasAsyncLifetime` is never constructed
[INFO] [stdout]  --> src/lifetime.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct HasAsyncLifetime(bool);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stdout] warning: struct `HasAsyncLifetime` is never constructed
[INFO] [stdout]  --> src/lifetime.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct HasAsyncLifetime(bool);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stdout] warning: unexpected `cfg` condition name: `async_trait_nightly_testing`
[INFO] [stdout]  --> tests/test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(async_trait_nightly_testing, feature(specialization, const_generics))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_trait_nightly_testing)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_trait_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `async_trait_nightly_testing`
[INFO] [stdout]    --> tests/test.rs:275:7
[INFO] [stdout]     |
[INFO] [stdout] 275 | #[cfg(async_trait_nightly_testing)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_trait_nightly_testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_trait_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `async_trait_nightly_testing`
[INFO] [stdout]    --> tests/test.rs:631:7
[INFO] [stdout]     |
[INFO] [stdout] 631 | #[cfg(async_trait_nightly_testing)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_trait_nightly_testing)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_trait_nightly_testing)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]     --> tests/test.rs:1017:30
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     #[async_trait]
[INFO] [stdout]      |     -------------- lifetime `'life0` declared here
[INFO] [stdout] 1016 |     trait Trait<T = ()> {
[INFO] [stdout] 1017 |         async fn f(&self) -> &str
[INFO] [stdout]      |                              ^ this elided lifetime gets resolved as `'life0`
[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]     --> tests/test.rs:1052:30
[INFO] [stdout]      |
[INFO] [stdout] 1049 |     #[async_trait]
[INFO] [stdout]      |     -------------- lifetime `'life0` declared here
[INFO] [stdout] ...
[INFO] [stdout] 1052 |         async fn f(&self) -> &str;
[INFO] [stdout]      |                              ^ this elided lifetime gets resolved as `'life0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]     --> tests/test.rs:1065:30
[INFO] [stdout]      |
[INFO] [stdout] 1062 |     #[async_trait]
[INFO] [stdout]      |     -------------- lifetime `'life0` declared here
[INFO] [stdout] ...
[INFO] [stdout] 1065 |         async fn f(&self) -> &str {
[INFO] [stdout]      |                              ^ this elided lifetime gets resolved as `'life0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HasAsyncLifetime` is never constructed
[INFO] [stdout]  --> src/lifetime.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct HasAsyncLifetime(bool);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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] error: this value of type `Poll<<F as Future>::Output>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> tests/executor/mod.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub fn block_on_simple<F: Future>(mut fut: F) -> F::Output {
[INFO] [stdout]    |                                   ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 25 |     let waker = unsafe { Waker::from_raw(raw_waker) };
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 31 |     match fut.poll(&mut cx) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnsafeTraitPubCrate` is never used
[INFO] [stdout]    --> tests/test.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub(crate) unsafe trait UnsafeTraitPubCrate {}
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `UnsafeTraitPrivate` is never used
[INFO] [stdout]    --> tests/test.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 | unsafe trait UnsafeTraitPrivate {}
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue1` is never used
[INFO] [stdout]    --> tests/test.rs:156:11
[INFO] [stdout]     |
[INFO] [stdout] 156 |     trait Issue1 {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue11` is never used
[INFO] [stdout]    --> tests/test.rs:200:11
[INFO] [stdout]     |
[INFO] [stdout] 200 |     trait Issue11 {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Struct` is never constructed
[INFO] [stdout]    --> tests/test.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     struct Struct;
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:217:11
[INFO] [stdout]     |
[INFO] [stdout] 217 |     trait Trait {}
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue15` is never used
[INFO] [stdout]    --> tests/test.rs:220:11
[INFO] [stdout]     |
[INFO] [stdout] 220 |     trait Issue15 {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Issue17` is never used
[INFO] [stdout]    --> tests/test.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 |     trait Issue17 {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Struct` is never constructed
[INFO] [stdout]    --> tests/test.rs:234:12
[INFO] [stdout]     |
[INFO] [stdout] 234 |     struct Struct {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]    --> tests/test.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 |     struct S {}
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Str` is never constructed
[INFO] [stdout]    --> tests/test.rs:325:12
[INFO] [stdout]     |
[INFO] [stdout] 325 |     struct Str<'a>(&'a str);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait1` is never used
[INFO] [stdout]    --> tests/test.rs:328:11
[INFO] [stdout]     |
[INFO] [stdout] 328 |     trait Trait1<'a> {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait2` is never used
[INFO] [stdout]    --> tests/test.rs:343:11
[INFO] [stdout]     |
[INFO] [stdout] 343 |     trait Trait2 {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait3` is never used
[INFO] [stdout]    --> tests/test.rs:353:11
[INFO] [stdout]     |
[INFO] [stdout] 353 |     trait Trait3<'a, 'b> {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/test.rs:591:22
[INFO] [stdout]     |
[INFO] [stdout] 591 |     pub struct Tuple(u8);
[INFO] [stdout]     |                ----- ^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> tests/test.rs:784:11
[INFO] [stdout]     |
[INFO] [stdout] 784 |     trait Trait {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `T1` is never used
[INFO] [stdout]    --> tests/test.rs:920:11
[INFO] [stdout]     |
[INFO] [stdout] 920 |     trait T1 {
[INFO] [stdout]     |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> tests/test.rs:935:12
[INFO] [stdout]     |
[INFO] [stdout] 935 |     struct Foo;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]     --> tests/test.rs:1001:11
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     trait Trait {
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]     --> tests/test.rs:1016:11
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     trait Trait<T = ()> {
[INFO] [stdout]      |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Elided` is never used
[INFO] [stdout]     --> tests/test.rs:1088:10
[INFO] [stdout]      |
[INFO] [stdout] 1088 |     type Elided<'a> = &'a usize;
[INFO] [stdout]      |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Test` is never used
[INFO] [stdout]     --> tests/test.rs:1091:11
[INFO] [stdout]      |
[INFO] [stdout] 1091 |     trait Test {
[INFO] [stdout]      |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `samotop-async-trait` (test "test") due to 2 previous errors; 28 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ac9513539d0de1abc2d4b3d5266aa7fc87a1831d7b95dfabb02c3d389c6962af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9513539d0de1abc2d4b3d5266aa7fc87a1831d7b95dfabb02c3d389c6962af", kill_on_drop: false }`
[INFO] [stdout] ac9513539d0de1abc2d4b3d5266aa7fc87a1831d7b95dfabb02c3d389c6962af