[INFO] fetching crate threadcell 1.0.3...
[INFO] checking threadcell-1.0.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate threadcell 1.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate threadcell 1.0.3 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 threadcell 1.0.3
[INFO] finished tweaking crates.io crate threadcell 1.0.3
[INFO] tweaked toml for crates.io crate threadcell 1.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc7f3f6cbec46cddf3bb260b7a1db3dad9578b81c98a943be5b45b5e5e5c9cf3
[INFO] running `Command { std: "docker" "start" "-a" "bc7f3f6cbec46cddf3bb260b7a1db3dad9578b81c98a943be5b45b5e5e5c9cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7f3f6cbec46cddf3bb260b7a1db3dad9578b81c98a943be5b45b5e5e5c9cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7f3f6cbec46cddf3bb260b7a1db3dad9578b81c98a943be5b45b5e5e5c9cf3", kill_on_drop: false }`
[INFO] [stdout] bc7f3f6cbec46cddf3bb260b7a1db3dad9578b81c98a943be5b45b5e5e5c9cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 175c98e03e07aa8d690e80f416848fec84827edf583d13946f257fcf2c5107d1
[INFO] running `Command { std: "docker" "start" "-a" "175c98e03e07aa8d690e80f416848fec84827edf583d13946f257fcf2c5107d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking threadcell v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "175c98e03e07aa8d690e80f416848fec84827edf583d13946f257fcf2c5107d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175c98e03e07aa8d690e80f416848fec84827edf583d13946f257fcf2c5107d1", kill_on_drop: false }`
[INFO] [stdout] 175c98e03e07aa8d690e80f416848fec84827edf583d13946f257fcf2c5107d1
[INFO] checking threadcell-1.0.3 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate threadcell 1.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate threadcell 1.0.3 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 threadcell 1.0.3
[INFO] finished tweaking crates.io crate threadcell 1.0.3
[INFO] tweaked toml for crates.io crate threadcell 1.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 75bb670e514cc5c56c558e1c2f3bce841120ccdb8a0a25675a74f8e47e1a385b
[INFO] running `Command { std: "docker" "start" "-a" "75bb670e514cc5c56c558e1c2f3bce841120ccdb8a0a25675a74f8e47e1a385b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bb670e514cc5c56c558e1c2f3bce841120ccdb8a0a25675a74f8e47e1a385b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bb670e514cc5c56c558e1c2f3bce841120ccdb8a0a25675a74f8e47e1a385b", kill_on_drop: false }`
[INFO] [stdout] 75bb670e514cc5c56c558e1c2f3bce841120ccdb8a0a25675a74f8e47e1a385b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cb980fd3726ec136fa66870a9d33e2ab470be0059f2540cb52955b68ca79cf26
[INFO] running `Command { std: "docker" "start" "-a" "cb980fd3726ec136fa66870a9d33e2ab470be0059f2540cb52955b68ca79cf26", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking threadcell v1.0.3 (/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:211:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn with<R, F: FnOnce(&T) -> R>(&self, f: F) -> R {
[INFO] [stdout]     |                                               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 211 |         f(&*self.acquire_guard())
[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:220:16
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn with_mut<R, F: FnOnce(&mut T) -> R>(&mut self, f: F) -> R {
[INFO] [stdout]     |                                                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 220 |         f(&mut *self.acquire_guard_mut())
[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:226:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn try_with<R, F: FnOnce(&T) -> R>(&self, f: F) -> Option<R> {
[INFO] [stdout]     |                                                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 226 |         Some(f(&*self.try_acquire_guard()?))
[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:233:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn try_with_mut<R, F: FnOnce(&mut T) -> R>(&mut self, f: F) -> Option<R> {
[INFO] [stdout]     |                                                               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 233 |         Some(f(&mut *self.try_acquire_guard_mut()?))
[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 4 previous errors
[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:211:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub fn with<R, F: FnOnce(&T) -> R>(&self, f: F) -> R {
[INFO] [stdout]     |                                               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 211 |         f(&*self.acquire_guard())
[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:220:16
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn with_mut<R, F: FnOnce(&mut T) -> R>(&mut self, f: F) -> R {
[INFO] [stdout]     |                                                           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 220 |         f(&mut *self.acquire_guard_mut())
[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:226:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn try_with<R, F: FnOnce(&T) -> R>(&self, f: F) -> Option<R> {
[INFO] [stdout]     |                                                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 226 |         Some(f(&*self.try_acquire_guard()?))
[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:233:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn try_with_mut<R, F: FnOnce(&mut T) -> R>(&mut self, f: F) -> Option<R> {
[INFO] [stdout]     |                                                               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 233 |         Some(f(&mut *self.try_acquire_guard_mut()?))
[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 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `threadcell` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `threadcell` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "cb980fd3726ec136fa66870a9d33e2ab470be0059f2540cb52955b68ca79cf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb980fd3726ec136fa66870a9d33e2ab470be0059f2540cb52955b68ca79cf26", kill_on_drop: false }`
[INFO] [stdout] cb980fd3726ec136fa66870a9d33e2ab470be0059f2540cb52955b68ca79cf26