[INFO] fetching crate singleflight-async 0.1.3...
[INFO] checking singleflight-async-0.1.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate singleflight-async 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate singleflight-async 0.1.3 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate singleflight-async 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate singleflight-async 0.1.3
[INFO] tweaked toml for crates.io crate singleflight-async 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate singleflight-async 0.1.3 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc61e20093d0b5cc66293ded4ef9614a5181258a349e3b530b5bcca4b40ca65
[INFO] running `Command { std: "docker" "start" "-a" "0fc61e20093d0b5cc66293ded4ef9614a5181258a349e3b530b5bcca4b40ca65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc61e20093d0b5cc66293ded4ef9614a5181258a349e3b530b5bcca4b40ca65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc61e20093d0b5cc66293ded4ef9614a5181258a349e3b530b5bcca4b40ca65", kill_on_drop: false }`
[INFO] [stdout] 0fc61e20093d0b5cc66293ded4ef9614a5181258a349e3b530b5bcca4b40ca65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e730a26ac81017cc63cdb61f8d4fa768c095223f359bbecc776b37dd547ca7
[INFO] running `Command { std: "docker" "start" "-a" "35e730a26ac81017cc63cdb61f8d4fa768c095223f359bbecc776b37dd547ca7", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking singleflight-async v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "35e730a26ac81017cc63cdb61f8d4fa768c095223f359bbecc776b37dd547ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e730a26ac81017cc63cdb61f8d4fa768c095223f359bbecc776b37dd547ca7", kill_on_drop: false }`
[INFO] [stdout] 35e730a26ac81017cc63cdb61f8d4fa768c095223f359bbecc776b37dd547ca7
[INFO] checking singleflight-async-0.1.3 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate singleflight-async 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate singleflight-async 0.1.3 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate singleflight-async 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate singleflight-async 0.1.3
[INFO] tweaked toml for crates.io crate singleflight-async 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate singleflight-async 0.1.3 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f3718b81f0b92dd536a07bf442d8a9ed874f33d6c5b4b945f955bd56b7d306
[INFO] running `Command { std: "docker" "start" "-a" "88f3718b81f0b92dd536a07bf442d8a9ed874f33d6c5b4b945f955bd56b7d306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f3718b81f0b92dd536a07bf442d8a9ed874f33d6c5b4b945f955bd56b7d306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f3718b81f0b92dd536a07bf442d8a9ed874f33d6c5b4b945f955bd56b7d306", kill_on_drop: false }`
[INFO] [stdout] 88f3718b81f0b92dd536a07bf442d8a9ed874f33d6c5b4b945f955bd56b7d306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdebdb9f0227c63004d2c163d6356679e71258c2281433788d59bca923340465
[INFO] running `Command { std: "docker" "start" "-a" "fdebdb9f0227c63004d2c163d6356679e71258c2281433788d59bca923340465", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking singleflight-async v0.1.3 (/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:75:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |           let shared = Arc::new(Shared::default());
[INFO] [stdout]    |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 74 |           (
[INFO] [stdout] 75 | /             Self {
[INFO] [stdout] 76 | |                 shared: Arc::downgrade(&shared),
[INFO] [stdout] 77 | |             },
[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:110:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |           func: F,
[INFO] [stdout]     |           ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 104 |           key: Cow<'static, str>,
[INFO] [stdout] 105 |           mapping: SharedMapping<T>,
[INFO] [stdout]     |           ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 106 |       ) -> Result<BroadcastOnceWaiter<T, F>, (F, Cow<'static, str>, SharedMapping<T>)> {
[INFO] [stdout] 107 |           let Some(upgraded) = self.shared.upgrade() else {
[INFO] [stdout]     |                    -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 110 |           Ok(BroadcastOnceWaiter {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 111 | |             func,
[INFO] [stdout] 112 | |             shared: upgraded,
[INFO] [stdout] 113 | |             key,
[INFO] [stdout] 114 | |             mapping,
[INFO] [stdout] 115 | |         })
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `singleflight-async` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fdebdb9f0227c63004d2c163d6356679e71258c2281433788d59bca923340465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdebdb9f0227c63004d2c163d6356679e71258c2281433788d59bca923340465", kill_on_drop: false }`
[INFO] [stdout] fdebdb9f0227c63004d2c163d6356679e71258c2281433788d59bca923340465