[INFO] cloning repository https://github.com/Bobxcat/unsafe_safe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bobxcat/unsafe_safe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77114513c760cf8499c8f4a0f44082f0e95924a1 [INFO] checking Bobxcat/unsafe_safe/77114513c760cf8499c8f4a0f44082f0e95924a1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBobxcat%2Funsafe_safe" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bobxcat/unsafe_safe 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 git repo https://github.com/Bobxcat/unsafe_safe [INFO] finished tweaking git repo https://github.com/Bobxcat/unsafe_safe [INFO] tweaked toml for git repo https://github.com/Bobxcat/unsafe_safe written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Bobxcat/unsafe_safe 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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99b2e1d7872a7acb2227a262c1725c576ff69e4bef4ac95ba2c4abe5f669de01 [INFO] running `Command { std: "docker" "start" "-a" "99b2e1d7872a7acb2227a262c1725c576ff69e4bef4ac95ba2c4abe5f669de01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99b2e1d7872a7acb2227a262c1725c576ff69e4bef4ac95ba2c4abe5f669de01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99b2e1d7872a7acb2227a262c1725c576ff69e4bef4ac95ba2c4abe5f669de01", kill_on_drop: false }` [INFO] [stdout] 99b2e1d7872a7acb2227a262c1725c576ff69e4bef4ac95ba2c4abe5f669de01 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd767c610d5fc1291049287afc87b91f53f3aa86e93a221db793f016d47e09f4 [INFO] running `Command { std: "docker" "start" "-a" "bd767c610d5fc1291049287afc87b91f53f3aa86e93a221db793f016d47e09f4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unsafe_safe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn extend_lifetime<'a, 'b, T: ?Sized>(data: &'a T) -> &'b T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 9 | let w: fn(&'a T, &'static &'static ()) -> &'b T = nothing_strange_here; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn extend_lifetime_mut<'a, 'b, T: ?Sized>(data: &'a mut T) -> &'b mut T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 25 | let w: fn(&'a mut T, &'static &'static ()) -> &'b mut T = nothing_strange_here_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] = note: requirement occurs because of a mutable reference to `T` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/transmute.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 12 | let mut container: Container = Container::Bar(None); [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | *a.take().unwrap() [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn extend_lifetime<'a, 'b, T: ?Sized>(data: &'a T) -> &'b T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 9 | let w: fn(&'a T, &'static &'static ()) -> &'b T = nothing_strange_here; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime may not live long enough [INFO] [stdout] --> src/extend_lifetime.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn extend_lifetime_mut<'a, 'b, T: ?Sized>(data: &'a mut T) -> &'b mut T { [INFO] [stdout] | -- -- lifetime `'b` defined here [INFO] [stdout] | | [INFO] [stdout] | lifetime `'a` defined here [INFO] [stdout] 25 | let w: fn(&'a mut T, &'static &'static ()) -> &'b mut T = nothing_strange_here_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b` [INFO] [stdout] | [INFO] [stdout] = help: consider adding the following bound: `'a: 'b` [INFO] [stdout] = note: requirement occurs because of a mutable reference to `T` [INFO] [stdout] = note: mutable references are invariant over their type parameter [INFO] [stdout] = help: see for more information about variance [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsafe_safe` (bin "unsafe_safe") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Box` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/transmute.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 12 | let mut container: Container = Container::Bar(None); [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | *a.take().unwrap() [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsafe_safe` (bin "unsafe_safe" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "bd767c610d5fc1291049287afc87b91f53f3aa86e93a221db793f016d47e09f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd767c610d5fc1291049287afc87b91f53f3aa86e93a221db793f016d47e09f4", kill_on_drop: false }` [INFO] [stdout] bd767c610d5fc1291049287afc87b91f53f3aa86e93a221db793f016d47e09f4