[INFO] fetching crate kanal 0.1.0-pre8... [INFO] building kanal-0.1.0-pre8 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate kanal 0.1.0-pre8 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate kanal 0.1.0-pre8 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kanal 0.1.0-pre8 [INFO] finished tweaking crates.io crate kanal 0.1.0-pre8 [INFO] tweaked toml for crates.io crate kanal 0.1.0-pre8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d04f7c883cbc499f8e7c777694d897f7c1dc3d7327355016f8c1c7bb9bd69dbc [INFO] running `Command { std: "docker" "start" "-a" "d04f7c883cbc499f8e7c777694d897f7c1dc3d7327355016f8c1c7bb9bd69dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d04f7c883cbc499f8e7c777694d897f7c1dc3d7327355016f8c1c7bb9bd69dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d04f7c883cbc499f8e7c777694d897f7c1dc3d7327355016f8c1c7bb9bd69dbc", kill_on_drop: false }` [INFO] [stdout] d04f7c883cbc499f8e7c777694d897f7c1dc3d7327355016f8c1c7bb9bd69dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b74c153c85218f0243f0a86df140c952094eb35dbaf177200fc337ab6ad838a3 [INFO] running `Command { std: "docker" "start" "-a" "b74c153c85218f0243f0a86df140c952094eb35dbaf177200fc337ab6ad838a3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling kanal v0.1.0-pre8 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/future.rs:301:38 [INFO] [stdout] | [INFO] [stdout] 296 | let mut internal = acquire_internal(this.internal); [INFO] [stdout] | ------------ [INFO] [stdout] | | [INFO] [stdout] | `internal` calls a custom destructor [INFO] [stdout] | `internal` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 301 | if let Some(v) = internal.queue.pop_front() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 331 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `internal` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lock_api-0.4.12/src/mutex.rs:666:1 [INFO] [stdout] | [INFO] [stdout] 666 | impl<'a, R: RawMutex + 'a, T: ?Sized + 'a> Drop for MutexGuard<'a, R, T> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/lib.rs:1057:26 [INFO] [stdout] | [INFO] [stdout] 1053 | let mut internal = acquire_internal(&self.internal); [INFO] [stdout] | ------------ [INFO] [stdout] | | [INFO] [stdout] | `internal` calls a custom destructor [INFO] [stdout] | `internal` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1057 | if let Some(v) = internal.queue.pop_front() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1091 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `internal` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lock_api-0.4.12/src/mutex.rs:666:1 [INFO] [stdout] | [INFO] [stdout] 666 | impl<'a, R: RawMutex + 'a, T: ?Sized + 'a> Drop for MutexGuard<'a, R, T> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/lib.rs:1100:26 [INFO] [stdout] | [INFO] [stdout] 1096 | let mut internal = acquire_internal(&self.internal); [INFO] [stdout] | ------------ [INFO] [stdout] | | [INFO] [stdout] | `internal` calls a custom destructor [INFO] [stdout] | `internal` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1100 | if let Some(v) = internal.queue.pop_front() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1147 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `internal` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lock_api-0.4.12/src/mutex.rs:666:1 [INFO] [stdout] | [INFO] [stdout] 666 | impl<'a, R: RawMutex + 'a, T: ?Sized + 'a> Drop for MutexGuard<'a, R, T> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kanal` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "b74c153c85218f0243f0a86df140c952094eb35dbaf177200fc337ab6ad838a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74c153c85218f0243f0a86df140c952094eb35dbaf177200fc337ab6ad838a3", kill_on_drop: false }` [INFO] [stdout] b74c153c85218f0243f0a86df140c952094eb35dbaf177200fc337ab6ad838a3