[INFO] fetching crate rc-box 1.2.0... [INFO] checking rc-box-1.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rc-box 1.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rc-box 1.2.0 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 rc-box 1.2.0 [INFO] finished tweaking crates.io crate rc-box 1.2.0 [INFO] tweaked toml for crates.io crate rc-box 1.2.0 written to /workspace/builds/worker-4-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] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e0fe65dd85e60737bbb8b4394486307863a0dcd0f01a1bbd46ed39163d030c66 [INFO] running `Command { std: "docker" "start" "-a" "e0fe65dd85e60737bbb8b4394486307863a0dcd0f01a1bbd46ed39163d030c66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0fe65dd85e60737bbb8b4394486307863a0dcd0f01a1bbd46ed39163d030c66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0fe65dd85e60737bbb8b4394486307863a0dcd0f01a1bbd46ed39163d030c66", kill_on_drop: false }` [INFO] [stdout] e0fe65dd85e60737bbb8b4394486307863a0dcd0f01a1bbd46ed39163d030c66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 94d7ca51d2a72bc91774048528c72006fc4423bef077c7db7d98dc251c863cd0 [INFO] running `Command { std: "docker" "start" "-a" "94d7ca51d2a72bc91774048528c72006fc4423bef077c7db7d98dc251c863cd0", kill_on_drop: false }` [INFO] [stderr] Compiling erasable v1.2.1 [INFO] [stderr] Checking rc-box v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `erasable`, `slice-dst`, and `unsize` [INFO] [stdout] = help: consider adding `std` 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: `std` [INFO] [stdout] --> src/lib.rs:23:7 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `erasable`, `slice-dst`, and `unsize` [INFO] [stdout] = help: consider adding `std` 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: `std` [INFO] [stdout] --> src/lib.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `erasable`, `slice-dst`, and `unsize` [INFO] [stdout] = help: consider adding `std` 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: `std` [INFO] [stdout] --> src/lib.rs:23:7 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `erasable`, `slice-dst`, and `unsize` [INFO] [stdout] = help: consider adding `std` 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: `std` [INFO] [stdout] --> src/lib.rs:649:15 [INFO] [stdout] | [INFO] [stdout] 649 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | / rc_box! { [INFO] [stdout] 700 | | /// Known unique version of [`Arc`]. [INFO] [stdout] 701 | | /// [INFO] [stdout] 702 | | /// This type is guaranteed to have the same repr as `Box`. [INFO] [stdout] ... | [INFO] [stdout] 711 | | RcBox = Rc [INFO] [stdout] 712 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `erasable`, `slice-dst`, and `unsize` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `rc_box` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `std` [INFO] [stdout] --> src/lib.rs:649:15 [INFO] [stdout] | [INFO] [stdout] 649 | #[cfg(feature = "std")] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | / rc_box! { [INFO] [stdout] 700 | | /// Known unique version of [`Arc`]. [INFO] [stdout] 701 | | /// [INFO] [stdout] 702 | | /// This type is guaranteed to have the same repr as `Box`. [INFO] [stdout] ... | [INFO] [stdout] 711 | | RcBox = Rc [INFO] [stdout] 712 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `erasable`, `slice-dst`, and `unsize` [INFO] [stdout] = help: consider adding `std` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the macro `rc_box` (in Nightly builds, run with -Z macro-backtrace for more info) [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:105:17 [INFO] [stdout] | [INFO] [stdout] 101 | unsafe fn from_unchecked(v: V) -> Self [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 105 | v.try_into().unwrap_or_else(|_| unreachable_unchecked()) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | / rc_box! { [INFO] [stdout] 700 | | /// Known unique version of [`Arc`]. [INFO] [stdout] 701 | | /// [INFO] [stdout] 702 | | /// This type is guaranteed to have the same repr as `Box`. [INFO] [stdout] ... | [INFO] [stdout] 711 | | RcBox = Rc [INFO] [stdout] 712 | | } [INFO] [stdout] | |_- in this macro invocation [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] = note: this error originates in the macro `rc_box` (in Nightly builds, run with -Z macro-backtrace for more info) [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:353:21 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn into_inner(this: Self) -> T [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 352 | let rc: $Rc = this.into(); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 353 | $Rc::try_unwrap(rc).unwrap_or_else(|_| unsafe { unreachable_unchecked() }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | / rc_box! { [INFO] [stdout] 700 | | /// Known unique version of [`Arc`]. [INFO] [stdout] 701 | | /// [INFO] [stdout] 702 | | /// This type is guaranteed to have the same repr as `Box`. [INFO] [stdout] ... | [INFO] [stdout] 711 | | RcBox = Rc [INFO] [stdout] 712 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `rc_box` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 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/lib.rs:105:17 [INFO] [stdout] | [INFO] [stdout] 101 | unsafe fn from_unchecked(v: V) -> Self [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 105 | v.try_into().unwrap_or_else(|_| unreachable_unchecked()) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | / rc_box! { [INFO] [stdout] 700 | | /// Known unique version of [`Arc`]. [INFO] [stdout] 701 | | /// [INFO] [stdout] 702 | | /// This type is guaranteed to have the same repr as `Box`. [INFO] [stdout] ... | [INFO] [stdout] 711 | | RcBox = Rc [INFO] [stdout] 712 | | } [INFO] [stdout] | |_- in this macro invocation [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] = note: this error originates in the macro `rc_box` (in Nightly builds, run with -Z macro-backtrace for more info) [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:353:21 [INFO] [stdout] | [INFO] [stdout] 348 | pub fn into_inner(this: Self) -> T [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 352 | let rc: $Rc = this.into(); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 353 | $Rc::try_unwrap(rc).unwrap_or_else(|_| unsafe { unreachable_unchecked() }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | / rc_box! { [INFO] [stdout] 700 | | /// Known unique version of [`Arc`]. [INFO] [stdout] 701 | | /// [INFO] [stdout] 702 | | /// This type is guaranteed to have the same repr as `Box`. [INFO] [stdout] ... | [INFO] [stdout] 711 | | RcBox = Rc [INFO] [stdout] 712 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `rc_box` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rc-box` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rc-box` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "94d7ca51d2a72bc91774048528c72006fc4423bef077c7db7d98dc251c863cd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d7ca51d2a72bc91774048528c72006fc4423bef077c7db7d98dc251c863cd0", kill_on_drop: false }` [INFO] [stdout] 94d7ca51d2a72bc91774048528c72006fc4423bef077c7db7d98dc251c863cd0