[INFO] fetching crate mmap-append 0.2.0... [INFO] checking mmap-append-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mmap-append 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mmap-append 0.2.0 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 mmap-append 0.2.0 [INFO] finished tweaking crates.io crate mmap-append 0.2.0 [INFO] tweaked toml for crates.io crate mmap-append 0.2.0 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 24 packages to latest compatible versions [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] 1997cdadd540259e8b2bc4cf78ffc2f1ee6d44faad99027039e2747c7ffc222e [INFO] running `Command { std: "docker" "start" "-a" "1997cdadd540259e8b2bc4cf78ffc2f1ee6d44faad99027039e2747c7ffc222e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1997cdadd540259e8b2bc4cf78ffc2f1ee6d44faad99027039e2747c7ffc222e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1997cdadd540259e8b2bc4cf78ffc2f1ee6d44faad99027039e2747c7ffc222e", kill_on_drop: false }` [INFO] [stdout] 1997cdadd540259e8b2bc4cf78ffc2f1ee6d44faad99027039e2747c7ffc222e [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] a1062d886716d405aaa887864ce4db224e09d913c0f67041f2273193b8390ab8 [INFO] running `Command { std: "docker" "start" "-a" "a1062d886716d405aaa887864ce4db224e09d913c0f67041f2273193b8390ab8", kill_on_drop: false }` [INFO] [stderr] Checking memmap2 v0.9.4 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking mmap-append v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `stable_deref_trait` [INFO] [stdout] --> src/lib.rs:199:7 [INFO] [stdout] | [INFO] [stdout] 199 | #[cfg(feature = "stable_deref_trait")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `stable_deref_trait` 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] 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/lib.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub unsafe fn new(file: T, initialize: bool) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | let map = MmapRaw::map_raw(fd)?; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 83 | Ok(MmapAppend { [INFO] [stdout] | ____________^ [INFO] [stdout] 84 | | append_lock: Mutex::new(()), [INFO] [stdout] 85 | | inner: RwLock::new(map), [INFO] [stdout] 86 | | fd, [INFO] [stdout] 87 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mmap-append` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unexpected `cfg` condition value: `stable_deref_trait` [INFO] [stdout] --> src/lib.rs:199:7 [INFO] [stdout] | [INFO] [stdout] 199 | #[cfg(feature = "stable_deref_trait")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `stable_deref_trait` 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] 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/lib.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub unsafe fn new(file: T, initialize: bool) -> Result { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | let map = MmapRaw::map_raw(fd)?; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 83 | Ok(MmapAppend { [INFO] [stdout] | ____________^ [INFO] [stdout] 84 | | append_lock: Mutex::new(()), [INFO] [stdout] 85 | | inner: RwLock::new(map), [INFO] [stdout] 86 | | fd, [INFO] [stdout] 87 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mmap-append` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "a1062d886716d405aaa887864ce4db224e09d913c0f67041f2273193b8390ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1062d886716d405aaa887864ce4db224e09d913c0f67041f2273193b8390ab8", kill_on_drop: false }` [INFO] [stdout] a1062d886716d405aaa887864ce4db224e09d913c0f67041f2273193b8390ab8