[INFO] fetching crate try_fold_impl 0.2.1... [INFO] checking try_fold_impl-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate try_fold_impl 0.2.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate try_fold_impl 0.2.1 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 try_fold_impl 0.2.1 [INFO] finished tweaking crates.io crate try_fold_impl 0.2.1 [INFO] tweaked toml for crates.io crate try_fold_impl 0.2.1 written to /workspace/builds/worker-7-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] 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] adc73b773274b2986422de4f7e606b4f4fd2f36f0316fc6e38b0f25d7c38454e [INFO] running `Command { std: "docker" "start" "-a" "adc73b773274b2986422de4f7e606b4f4fd2f36f0316fc6e38b0f25d7c38454e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "adc73b773274b2986422de4f7e606b4f4fd2f36f0316fc6e38b0f25d7c38454e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adc73b773274b2986422de4f7e606b4f4fd2f36f0316fc6e38b0f25d7c38454e", kill_on_drop: false }` [INFO] [stdout] adc73b773274b2986422de4f7e606b4f4fd2f36f0316fc6e38b0f25d7c38454e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de24d9fa77556fbc207867338e01ce13708da90fc12a5212caf9a992d4f13a79 [INFO] running `Command { std: "docker" "start" "-a" "de24d9fa77556fbc207867338e01ce13708da90fc12a5212caf9a992d4f13a79", kill_on_drop: false }` [INFO] [stderr] Checking try_fold_impl v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Test2` is never constructed [INFO] [stdout] --> src/lib.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | struct Test2; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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:71:13 [INFO] [stdout] | [INFO] [stdout] 67 | fn fold(mut self, init: B, mut f: F) -> B [INFO] [stdout] | ------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 71 | self.try_fold(init, |acc, next| $crate::Continue(f(acc, next))).0 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | / try_fold!((self, acc, f) { [INFO] [stdout] 84 | | while self.0 > 0 { [INFO] [stdout] 85 | | let new = f(acc, self.0.wrapping_mul(173)); [INFO] [stdout] 86 | | self.0 -= 1; [INFO] [stdout] ... | [INFO] [stdout] 89 | | try { acc } [INFO] [stdout] 90 | | }); [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 `try_fold` (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:71:62 [INFO] [stdout] | [INFO] [stdout] 71 | self.try_fold(init, |acc, next| $crate::Continue(f(acc, next))).0 [INFO] [stdout] | --- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 83 | / try_fold!((self, acc, f) { [INFO] [stdout] 84 | | while self.0 > 0 { [INFO] [stdout] 85 | | let new = f(acc, self.0.wrapping_mul(173)); [INFO] [stdout] 86 | | self.0 -= 1; [INFO] [stdout] ... | [INFO] [stdout] 89 | | try { acc } [INFO] [stdout] 90 | | }); [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 `try_fold` (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:71:13 [INFO] [stdout] | [INFO] [stdout] 67 | fn fold(mut self, init: B, mut f: F) -> B [INFO] [stdout] | ------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 71 | self.try_fold(init, |acc, next| $crate::Continue(f(acc, next))).0 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | / try_fold!(#[inline, cold] (self, _acc, _f) { [INFO] [stdout] 103 | | unimplemented!() [INFO] [stdout] 104 | | }); [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 `try_fold` (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:71:62 [INFO] [stdout] | [INFO] [stdout] 71 | self.try_fold(init, |acc, next| $crate::Continue(f(acc, next))).0 [INFO] [stdout] | --- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 102 | / try_fold!(#[inline, cold] (self, _acc, _f) { [INFO] [stdout] 103 | | unimplemented!() [INFO] [stdout] 104 | | }); [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 `try_fold` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `try_fold_impl` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "de24d9fa77556fbc207867338e01ce13708da90fc12a5212caf9a992d4f13a79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de24d9fa77556fbc207867338e01ce13708da90fc12a5212caf9a992d4f13a79", kill_on_drop: false }` [INFO] [stdout] de24d9fa77556fbc207867338e01ce13708da90fc12a5212caf9a992d4f13a79