[INFO] fetching crate token-cell 1.5.0... [INFO] checking token-cell-1.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate token-cell 1.5.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate token-cell 1.5.0 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 token-cell 1.5.0 [INFO] finished tweaking crates.io crate token-cell 1.5.0 [INFO] tweaked toml for crates.io crate token-cell 1.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate token-cell 1.5.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c575f246f3ec06b81900020b185320f56d34b19a5a415d5a81c652aa7925f745 [INFO] running `Command { std: "docker" "start" "-a" "c575f246f3ec06b81900020b185320f56d34b19a5a415d5a81c652aa7925f745", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c575f246f3ec06b81900020b185320f56d34b19a5a415d5a81c652aa7925f745", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c575f246f3ec06b81900020b185320f56d34b19a5a415d5a81c652aa7925f745", kill_on_drop: false }` [INFO] [stdout] c575f246f3ec06b81900020b185320f56d34b19a5a415d5a81c652aa7925f745 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac4cfc52d20908b7b9f4ca7158859305cda34b2cb90d2ab417eafe285e90438b [INFO] running `Command { std: "docker" "start" "-a" "ac4cfc52d20908b7b9f4ca7158859305cda34b2cb90d2ab417eafe285e90438b", kill_on_drop: false }` [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking ghost-cell v0.2.2 [INFO] [stderr] Checking token-cell v1.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `features` [INFO] [stdout] --> src/lib.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(not(features = "std"), no_std)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(not(feature = "std"), no_std)] [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `features` [INFO] [stdout] --> src/lib.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(features = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(feature = "std")] [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `features` [INFO] [stdout] --> src/lib.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(not(features = "std"), no_std)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(not(feature = "std"), no_std)] [INFO] [stdout] | ~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `features` [INFO] [stdout] --> src/lib.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(features = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg(feature = "std")] [INFO] [stdout] | ~~~~~~~ [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/core.rs:186:20 [INFO] [stdout] | [INFO] [stdout] 181 | fn new(inner: T, token: &Token) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 186 | inner: UnsafeCell::new(inner), [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/core.rs:187:23 [INFO] [stdout] | [INFO] [stdout] 181 | fn new(inner: T, token: &Token) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 187 | token_id: token.identifier(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ghost.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | fn with_token R>(f: F) -> Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | Ok(f(Self(InvariantLifetime::new()))) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/monads.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn try_apply(self, token: &'a Token) -> Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | let borrowed = self.cell.try_guard(token)?; [INFO] [stdout] 31 | Ok((self.f)(borrowed)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/monads.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn try_apply(self, token: &'a mut Token) -> Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 64 | let borrowed = self.cell.try_guard_mut(token)?; [INFO] [stdout] 65 | Ok((self.f)(borrowed)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/core.rs:186:20 [INFO] [stdout] | [INFO] [stdout] 181 | fn new(inner: T, token: &Token) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 186 | inner: UnsafeCell::new(inner), [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/core.rs:187:23 [INFO] [stdout] | [INFO] [stdout] 181 | fn new(inner: T, token: &Token) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 187 | token_id: token.identifier(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ghost.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | fn with_token R>(f: F) -> Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | Ok(f(Self(InvariantLifetime::new()))) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/monads.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn try_apply(self, token: &'a Token) -> Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | let borrowed = self.cell.try_guard(token)?; [INFO] [stdout] 31 | Ok((self.f)(borrowed)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 5 previous errors; 2 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/monads.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn try_apply(self, token: &'a mut Token) -> Result { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 64 | let borrowed = self.cell.try_guard_mut(token)?; [INFO] [stdout] 65 | Ok((self.f)(borrowed)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 5 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `token-cell` (lib) due to 6 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `token-cell` (lib test) due to 6 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ac4cfc52d20908b7b9f4ca7158859305cda34b2cb90d2ab417eafe285e90438b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac4cfc52d20908b7b9f4ca7158859305cda34b2cb90d2ab417eafe285e90438b", kill_on_drop: false }` [INFO] [stdout] ac4cfc52d20908b7b9f4ca7158859305cda34b2cb90d2ab417eafe285e90438b