[INFO] fetching crate simple-interner 0.3.4...
[INFO] checking simple-interner-0.3.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate simple-interner 0.3.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate simple-interner 0.3.4 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 simple-interner 0.3.4
[INFO] finished tweaking crates.io crate simple-interner 0.3.4
[INFO] tweaked toml for crates.io crate simple-interner 0.3.4 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.5)
[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] d525ba42dfcecc70600a08f383edac880d4e8b0475e403ed8a8eca2a51e51e35
[INFO] running `Command { std: "docker" "start" "-a" "d525ba42dfcecc70600a08f383edac880d4e8b0475e403ed8a8eca2a51e51e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d525ba42dfcecc70600a08f383edac880d4e8b0475e403ed8a8eca2a51e51e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d525ba42dfcecc70600a08f383edac880d4e8b0475e403ed8a8eca2a51e51e35", kill_on_drop: false }`
[INFO] [stdout] d525ba42dfcecc70600a08f383edac880d4e8b0475e403ed8a8eca2a51e51e35
[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] 3a071554e48749124c91c8e30c4da788cbf6e279b729092f613f053814b33860
[INFO] running `Command { std: "docker" "start" "-a" "3a071554e48749124c91c8e30c4da788cbf6e279b729092f613f053814b33860", kill_on_drop: false }`
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking simple-interner v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/interner.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Box::from_raw(self.ptr.as_ptr())
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++                                 +
[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/interner.rs:277:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn with_hasher(hasher: H) -> Self {
[INFO] [stdout]     |                        --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 276 |         Interner {
[INFO] [stdout] 277 |             arena: RwLock::new(HashMap::with_hasher(hasher)),
[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/interner.rs:297:20
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn with_capacity_and_hasher(capacity: usize, hasher: H) -> Self {
[INFO] [stdout]     |                                                      --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 296 |         Interner {
[INFO] [stdout] 297 |             arena: RwLock::new(HashMap::with_capacity_and_hasher(capacity, hasher)),
[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 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-interner` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/interner.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             Box::from_raw(self.ptr.as_ptr())
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let _ = Box::from_raw(self.ptr.as_ptr());
[INFO] [stdout]    |             +++++++                                 +
[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/interner.rs:277:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn with_hasher(hasher: H) -> Self {
[INFO] [stdout]     |                        --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 276 |         Interner {
[INFO] [stdout] 277 |             arena: RwLock::new(HashMap::with_hasher(hasher)),
[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/interner.rs:297:20
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn with_capacity_and_hasher(capacity: usize, hasher: H) -> Self {
[INFO] [stdout]     |                                                      --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 296 |         Interner {
[INFO] [stdout] 297 |             arena: RwLock::new(HashMap::with_capacity_and_hasher(capacity, hasher)),
[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 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-interner` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3a071554e48749124c91c8e30c4da788cbf6e279b729092f613f053814b33860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a071554e48749124c91c8e30c4da788cbf6e279b729092f613f053814b33860", kill_on_drop: false }`
[INFO] [stdout] 3a071554e48749124c91c8e30c4da788cbf6e279b729092f613f053814b33860