[INFO] fetching crate foreback 1.1.2...
[INFO] checking foreback-1.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate foreback 1.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate foreback 1.1.2 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 foreback 1.1.2
[INFO] finished tweaking crates.io crate foreback 1.1.2
[INFO] tweaked toml for crates.io crate foreback 1.1.2 written to /workspace/builds/worker-2-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]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.3.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6c46f3f58d48621f13eba2f9d2453931345b7c5618dab73b51720e347864d85f
[INFO] running `Command { std: "docker" "start" "-a" "6c46f3f58d48621f13eba2f9d2453931345b7c5618dab73b51720e347864d85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c46f3f58d48621f13eba2f9d2453931345b7c5618dab73b51720e347864d85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c46f3f58d48621f13eba2f9d2453931345b7c5618dab73b51720e347864d85f", kill_on_drop: false }`
[INFO] [stdout] 6c46f3f58d48621f13eba2f9d2453931345b7c5618dab73b51720e347864d85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d293ae8c94a106ca030672bba24285fcb86e084a4f6aa956e0a872a92b2e7a5f
[INFO] running `Command { std: "docker" "start" "-a" "d293ae8c94a106ca030672bba24285fcb86e084a4f6aa956e0a872a92b2e7a5f", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking foreback v1.1.2 (/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:173:23
[INFO] [stdout]     |
[INFO] [stdout] 169 |       fn with_background<B>(self, background: B) -> ForegroundBackground<Self, B>
[INFO] [stdout]     |                             ----  ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 173 |           assert_future(ForegroundBackground {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 174 | |             inner: self.with_try_background(NeverError { fut: background }),
[INFO] [stdout] 175 | |         })
[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:257:23
[INFO] [stdout]     |
[INFO] [stdout] 253 |       fn with_try_background<B>(self, background: B) -> TryForegroundBackground<Self, B>
[INFO] [stdout]     |                                 ----  ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 257 |           assert_future(TryForegroundBackground {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 258 | |             foreground: self,
[INFO] [stdout] 259 | |             background,
[INFO] [stdout] 260 | |         })
[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] [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:173:23
[INFO] [stdout]     |
[INFO] [stdout] 169 |       fn with_background<B>(self, background: B) -> ForegroundBackground<Self, B>
[INFO] [stdout]     |                             ----  ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 173 |           assert_future(ForegroundBackground {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 174 | |             inner: self.with_try_background(NeverError { fut: background }),
[INFO] [stdout] 175 | |         })
[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] [stderr] error: could not compile `foreback` (lib test) due to 3 previous errors
[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:257:23
[INFO] [stdout]     |
[INFO] [stdout] 253 |       fn with_try_background<B>(self, background: B) -> TryForegroundBackground<Self, B>
[INFO] [stdout]     |                                 ----  ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 257 |           assert_future(TryForegroundBackground {
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 258 | |             foreground: self,
[INFO] [stdout] 259 | |             background,
[INFO] [stdout] 260 | |         })
[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 `foreback` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d293ae8c94a106ca030672bba24285fcb86e084a4f6aa956e0a872a92b2e7a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d293ae8c94a106ca030672bba24285fcb86e084a4f6aa956e0a872a92b2e7a5f", kill_on_drop: false }`
[INFO] [stdout] d293ae8c94a106ca030672bba24285fcb86e084a4f6aa956e0a872a92b2e7a5f