[INFO] fetching crate cellopt 0.3.0...
[INFO] checking cellopt-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate cellopt 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cellopt 0.3.0 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 cellopt 0.3.0
[INFO] finished tweaking crates.io crate cellopt 0.3.0
[INFO] tweaked toml for crates.io crate cellopt 0.3.0 written to /workspace/builds/worker-1-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] 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 48a29c0cf725239876cb8a67d8872e1ea7d92e4169dcdb7a2bc96f414af03270
[INFO] running `Command { std: "docker" "start" "-a" "48a29c0cf725239876cb8a67d8872e1ea7d92e4169dcdb7a2bc96f414af03270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a29c0cf725239876cb8a67d8872e1ea7d92e4169dcdb7a2bc96f414af03270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a29c0cf725239876cb8a67d8872e1ea7d92e4169dcdb7a2bc96f414af03270", kill_on_drop: false }`
[INFO] [stdout] 48a29c0cf725239876cb8a67d8872e1ea7d92e4169dcdb7a2bc96f414af03270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5f85b586e3b0cfd95520753a6886fbfd68838cc4fe7042eea646cab26d067056
[INFO] running `Command { std: "docker" "start" "-a" "5f85b586e3b0cfd95520753a6886fbfd68838cc4fe7042eea646cab26d067056", kill_on_drop: false }`
[INFO] [stderr]     Checking cellopt v0.3.0 (/opt/rustwide/workdir)
[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:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.apply_then_restore(|inner| CellOpt::new(inner.clone()))
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[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:45:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |                -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 44 |         Self {
[INFO] [stdout] 45 |             slot: Cell::new(value.into()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |       pub fn apply_then_restore<U, F: FnMut(&T) -> U>(&self, mut f: F) -> Option<U> {
[INFO] [stdout]    |                                                              -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 | /         self.take()
[INFO] [stdout] 52 | |             .map(|t| {
[INFO] [stdout] 53 | |                 let u = f(&t);
[INFO] [stdout] 54 | |                 self.overwrite(t);
[INFO] [stdout] 55 | |                 u
[INFO] [stdout] 56 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cellopt` (lib test) due to 4 previous errors
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |         self.apply_then_restore(|inner| CellOpt::new(inner.clone()))
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[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:45:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |                -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 44 |         Self {
[INFO] [stdout] 45 |             slot: Cell::new(value.into()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[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:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |       pub fn apply_then_restore<U, F: FnMut(&T) -> U>(&self, mut f: F) -> Option<U> {
[INFO] [stdout]    |                                                              -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 | /         self.take()
[INFO] [stdout] 52 | |             .map(|t| {
[INFO] [stdout] 53 | |                 let u = f(&t);
[INFO] [stdout] 54 | |                 self.overwrite(t);
[INFO] [stdout] 55 | |                 u
[INFO] [stdout] 56 | |             })
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cellopt` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f85b586e3b0cfd95520753a6886fbfd68838cc4fe7042eea646cab26d067056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f85b586e3b0cfd95520753a6886fbfd68838cc4fe7042eea646cab26d067056", kill_on_drop: false }`
[INFO] [stdout] 5f85b586e3b0cfd95520753a6886fbfd68838cc4fe7042eea646cab26d067056