[INFO] fetching crate ach-cell 0.1.17...
[INFO] checking ach-cell-0.1.17 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate ach-cell 0.1.17 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ach-cell 0.1.17 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ach-cell 0.1.17
[INFO] finished tweaking crates.io crate ach-cell 0.1.17
[INFO] tweaked toml for crates.io crate ach-cell 0.1.17 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding atomic v0.5.3 (available: v0.6.0)
[INFO] [stderr]       Adding bare-metal v0.2.5 (available: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (available: v0.17.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a7f5c7483a5400dab76ba83f205b3747e875b54857f8d01a6efd0f29ef28909
[INFO] running `Command { std: "docker" "start" "-a" "5a7f5c7483a5400dab76ba83f205b3747e875b54857f8d01a6efd0f29ef28909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7f5c7483a5400dab76ba83f205b3747e875b54857f8d01a6efd0f29ef28909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7f5c7483a5400dab76ba83f205b3747e875b54857f8d01a6efd0f29ef28909", kill_on_drop: false }`
[INFO] [stdout] 5a7f5c7483a5400dab76ba83f205b3747e875b54857f8d01a6efd0f29ef28909
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b18716a5bed430437781c64582b6f9ae39f75edc9ba278d7fc8d8f5ba33f0d1
[INFO] running `Command { std: "docker" "start" "-a" "9b18716a5bed430437781c64582b6f9ae39f75edc9ba278d7fc8d8f5ba33f0d1", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking on_drop v0.1.2
[INFO] [stderr]     Checking interrupt v0.1.3
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking ach-cell v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Result<Ref<'_, T>, ach_util::Error<()>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let ret = self.try_set(value);
[INFO] [stdout]     |             --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 273 |         if let Ok(v) = self.try_get() {
[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: this value of type `Result<Ref<'_, T>, ach_util::Error<()>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let ret = self.try_set(value);
[INFO] [stdout]     |             --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 273 |         if let Ok(v) = self.try_get() {
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ach-cell` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ach-cell` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9b18716a5bed430437781c64582b6f9ae39f75edc9ba278d7fc8d8f5ba33f0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b18716a5bed430437781c64582b6f9ae39f75edc9ba278d7fc8d8f5ba33f0d1", kill_on_drop: false }`
[INFO] [stdout] 9b18716a5bed430437781c64582b6f9ae39f75edc9ba278d7fc8d8f5ba33f0d1