[INFO] fetching crate singleton-cell 0.3.1... [INFO] checking singleton-cell-0.3.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate singleton-cell 0.3.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate singleton-cell 0.3.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate singleton-cell 0.3.1 [INFO] finished tweaking crates.io crate singleton-cell 0.3.1 [INFO] tweaked toml for crates.io crate singleton-cell 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate singleton-cell 0.3.1 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded singleton-trait v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afbb626ed42d8bf3595295f9021ae15b234b68ff023ca5174a0c400ad569e8c8 [INFO] running `Command { std: "docker" "start" "-a" "afbb626ed42d8bf3595295f9021ae15b234b68ff023ca5174a0c400ad569e8c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afbb626ed42d8bf3595295f9021ae15b234b68ff023ca5174a0c400ad569e8c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afbb626ed42d8bf3595295f9021ae15b234b68ff023ca5174a0c400ad569e8c8", kill_on_drop: false }` [INFO] [stdout] afbb626ed42d8bf3595295f9021ae15b234b68ff023ca5174a0c400ad569e8c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f06cb7e3f42be81c18b68e02d1613262cec5f774b7f2b97afd7f8d5b3f24a1cc [INFO] running `Command { std: "docker" "start" "-a" "f06cb7e3f42be81c18b68e02d1613262cec5f774b7f2b97afd7f8d5b3f24a1cc", kill_on_drop: false }` [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking singleton-trait v0.3.0 [INFO] [stderr] Checking singleton-cell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate as singleton_cell` [INFO] [stdout] --> src/lib.rs:351:9 [INFO] [stdout] | [INFO] [stdout] 351 | use crate as singleton_cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:400:30 [INFO] [stdout] | [INFO] [stdout] 400 | struct Local<'a>(&'a ()); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 422 | new_singleton!(pub A); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 429 | new_singleton!(pub A); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 430 | new_singleton!(pub B); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "f06cb7e3f42be81c18b68e02d1613262cec5f774b7f2b97afd7f8d5b3f24a1cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f06cb7e3f42be81c18b68e02d1613262cec5f774b7f2b97afd7f8d5b3f24a1cc", kill_on_drop: false }` [INFO] [stdout] f06cb7e3f42be81c18b68e02d1613262cec5f774b7f2b97afd7f8d5b3f24a1cc [INFO] checking singleton-cell-0.3.1 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate singleton-cell 0.3.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate singleton-cell 0.3.1 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate singleton-cell 0.3.1 [INFO] finished tweaking crates.io crate singleton-cell 0.3.1 [INFO] tweaked toml for crates.io crate singleton-cell 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate singleton-cell 0.3.1 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50df7136d4c9f88ae91d395e449bdda006fbce35fe110074e6ba97c0a2a7b31a [INFO] running `Command { std: "docker" "start" "-a" "50df7136d4c9f88ae91d395e449bdda006fbce35fe110074e6ba97c0a2a7b31a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50df7136d4c9f88ae91d395e449bdda006fbce35fe110074e6ba97c0a2a7b31a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50df7136d4c9f88ae91d395e449bdda006fbce35fe110074e6ba97c0a2a7b31a", kill_on_drop: false }` [INFO] [stdout] 50df7136d4c9f88ae91d395e449bdda006fbce35fe110074e6ba97c0a2a7b31a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d79fdeb83f043a73019841968dc0b56a02776b6cb6ea2a1570b966c60133d5be [INFO] running `Command { std: "docker" "start" "-a" "d79fdeb83f043a73019841968dc0b56a02776b6cb6ea2a1570b966c60133d5be", kill_on_drop: false }` [INFO] [stderr] Checking singleton-trait v0.3.0 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking singleton-cell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate as singleton_cell` [INFO] [stdout] --> src/lib.rs:351:9 [INFO] [stdout] | [INFO] [stdout] 351 | use crate as singleton_cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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:102:20 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn new(t: T) -> Self { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | SCell { [INFO] [stdout] 102 | inner: UnsafeCell::new(t), [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `singleton-cell` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:400:30 [INFO] [stdout] | [INFO] [stdout] 400 | struct Local<'a>(&'a ()); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 422 | new_singleton!(pub A); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 429 | new_singleton!(pub A); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 430 | new_singleton!(pub B); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (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:102:20 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn new(t: T) -> Self { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | SCell { [INFO] [stdout] 102 | inner: UnsafeCell::new(t), [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `singleton-cell` (lib test) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d79fdeb83f043a73019841968dc0b56a02776b6cb6ea2a1570b966c60133d5be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d79fdeb83f043a73019841968dc0b56a02776b6cb6ea2a1570b966c60133d5be", kill_on_drop: false }` [INFO] [stdout] d79fdeb83f043a73019841968dc0b56a02776b6cb6ea2a1570b966c60133d5be