[INFO] fetching crate smolheed 0.1.0... [INFO] checking smolheed-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate smolheed 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate smolheed 0.1.0 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 smolheed 0.1.0 [INFO] finished tweaking crates.io crate smolheed 0.1.0 [INFO] tweaked toml for crates.io crate smolheed 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate smolheed 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2762a5d1dba7d9082c85ebd68260281b7147d3b33b5fe613d36359c249b25dd1 [INFO] running `Command { std: "docker" "start" "-a" "2762a5d1dba7d9082c85ebd68260281b7147d3b33b5fe613d36359c249b25dd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2762a5d1dba7d9082c85ebd68260281b7147d3b33b5fe613d36359c249b25dd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2762a5d1dba7d9082c85ebd68260281b7147d3b33b5fe613d36359c249b25dd1", kill_on_drop: false }` [INFO] [stdout] 2762a5d1dba7d9082c85ebd68260281b7147d3b33b5fe613d36359c249b25dd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 31c8f4ab1017f67ceca97fef6be7ef720002082139d38171594145930b329b5d [INFO] running `Command { std: "docker" "start" "-a" "31c8f4ab1017f67ceca97fef6be7ef720002082139d38171594145930b329b5d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking synchronoise v1.0.0 [INFO] [stderr] Compiling lmdb-rkv-sys v0.11.0 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking smolheed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/env.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `sync-read-txn` [INFO] [stdout] = help: consider adding `serde` 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: unused import: `ffi::MDB_stat` [INFO] [stdout] --> src/mdb/lmdb_ffi.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use ffi::MDB_stat; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/env.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default` and `sync-read-txn` [INFO] [stdout] = help: consider adding `serde` 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: unused import: `ffi::MDB_stat` [INFO] [stdout] --> src/mdb/lmdb_ffi.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use ffi::MDB_stat; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Option<(Option, Arc)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/env.rs:247:15 [INFO] [stdout] | [INFO] [stdout] 245 | let mut lock = OPENED_ENV.write().unwrap(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 246 | [INFO] [stdout] 247 | match lock.remove(&self.path) { [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: this value of type `Option<(Option, Arc)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/env.rs:247:15 [INFO] [stdout] | [INFO] [stdout] 245 | let mut lock = OPENED_ENV.write().unwrap(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 246 | [INFO] [stdout] 247 | match lock.remove(&self.path) { [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smolheed` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `smolheed` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "31c8f4ab1017f67ceca97fef6be7ef720002082139d38171594145930b329b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31c8f4ab1017f67ceca97fef6be7ef720002082139d38171594145930b329b5d", kill_on_drop: false }` [INFO] [stdout] 31c8f4ab1017f67ceca97fef6be7ef720002082139d38171594145930b329b5d