[INFO] fetching crate forkable 0.1.0... [INFO] checking forkable-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate forkable 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate forkable 0.1.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate forkable 0.1.0 [INFO] finished tweaking crates.io crate forkable 0.1.0 [INFO] tweaked toml for crates.io crate forkable 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding circularing v2.2.1 (latest: v3.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e771d7ee1509bccdad5273855b68e690322da57e30e9f749ae6f972b183c8fd [INFO] running `Command { std: "docker" "start" "-a" "7e771d7ee1509bccdad5273855b68e690322da57e30e9f749ae6f972b183c8fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e771d7ee1509bccdad5273855b68e690322da57e30e9f749ae6f972b183c8fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e771d7ee1509bccdad5273855b68e690322da57e30e9f749ae6f972b183c8fd", kill_on_drop: false }` [INFO] [stdout] 7e771d7ee1509bccdad5273855b68e690322da57e30e9f749ae6f972b183c8fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da3e5ad0f06f994de778497bca1103e69e4ee94c6a618de1e2382b89681047e9 [INFO] running `Command { std: "docker" "start" "-a" "da3e5ad0f06f994de778497bca1103e69e4ee94c6a618de1e2382b89681047e9", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking likeness v1.1.0 [INFO] [stderr] Checking circularing v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling forkable v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling snafu-derive v0.8.4 [INFO] [stderr] Checking snafu v0.8.4 [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(error_in_core))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see 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 value: `nightly` [INFO] [stdout] --> src/lib.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(feature = "nightly")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:6:32 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(all(feature = "std", not(feature = "nightly")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:9:38 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(all(not(feature = "std"), not(feature = "nightly")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(error_in_core))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see 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 value: `nightly` [INFO] [stdout] --> src/lib.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(feature = "nightly")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:6:32 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(all(feature = "std", not(feature = "nightly")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `nightly` [INFO] [stdout] --> src/lib.rs:9:38 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(all(not(feature = "std"), not(feature = "nightly")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `std` [INFO] [stdout] = help: consider adding `nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:42 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(error_in_core))] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:42 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(error_in_core))] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/sync/mod.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn fork(self) -> (Self, Self) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 112 | let iter_index = self.iter_index; [INFO] [stdout] 113 | let (i0, i1) = self.iter.make_clone(); [INFO] [stdout] | -- -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 116 | / Self { [INFO] [stdout] 117 | | iter_index, [INFO] [stdout] 118 | | iter: i0 [INFO] [stdout] 119 | | }, [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/sync/mod.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn fork(self) -> (Self, Self) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 112 | let iter_index = self.iter_index; [INFO] [stdout] 113 | let (i0, i1) = self.iter.make_clone(); [INFO] [stdout] | -- -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | / Self { [INFO] [stdout] 121 | | iter_index, [INFO] [stdout] 122 | | iter: i1 [INFO] [stdout] 123 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/sync/mod.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn fork(self) -> (Self, Self) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 112 | let iter_index = self.iter_index; [INFO] [stdout] 113 | let (i0, i1) = self.iter.make_clone(); [INFO] [stdout] | -- -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 116 | / Self { [INFO] [stdout] 117 | | iter_index, [INFO] [stdout] 118 | | iter: i0 [INFO] [stdout] 119 | | }, [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `forkable` (lib) due to 3 previous errors; 5 warnings emitted [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/sync/mod.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn fork(self) -> (Self, Self) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 112 | let iter_index = self.iter_index; [INFO] [stdout] 113 | let (i0, i1) = self.iter.make_clone(); [INFO] [stdout] | -- -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | / Self { [INFO] [stdout] 121 | | iter_index, [INFO] [stdout] 122 | | iter: i1 [INFO] [stdout] 123 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `forkable` (lib test) due to 3 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "da3e5ad0f06f994de778497bca1103e69e4ee94c6a618de1e2382b89681047e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3e5ad0f06f994de778497bca1103e69e4ee94c6a618de1e2382b89681047e9", kill_on_drop: false }` [INFO] [stdout] da3e5ad0f06f994de778497bca1103e69e4ee94c6a618de1e2382b89681047e9