[INFO] fetching crate mrsc 0.3.1...
[INFO] checking mrsc-0.3.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate mrsc 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mrsc 0.3.1 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 mrsc 0.3.1
[INFO] finished tweaking crates.io crate mrsc 0.3.1
[INFO] tweaked toml for crates.io crate mrsc 0.3.1 written to /workspace/builds/worker-2-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]     Blocking waiting for file lock on package cache
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 338c548e9501b011dc1bd3aba6a28a28bb52c4f68548459c56f706b820b96588
[INFO] running `Command { std: "docker" "start" "-a" "338c548e9501b011dc1bd3aba6a28a28bb52c4f68548459c56f706b820b96588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "338c548e9501b011dc1bd3aba6a28a28bb52c4f68548459c56f706b820b96588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338c548e9501b011dc1bd3aba6a28a28bb52c4f68548459c56f706b820b96588", kill_on_drop: false }`
[INFO] [stdout] 338c548e9501b011dc1bd3aba6a28a28bb52c4f68548459c56f706b820b96588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 15c187153414befadfd989fd166e53de8c5b86af1a3386fec254abdd31841bdd
[INFO] running `Command { std: "docker" "start" "-a" "15c187153414befadfd989fd166e53de8c5b86af1a3386fec254abdd31841bdd", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking mrsc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "15c187153414befadfd989fd166e53de8c5b86af1a3386fec254abdd31841bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c187153414befadfd989fd166e53de8c5b86af1a3386fec254abdd31841bdd", kill_on_drop: false }`
[INFO] [stdout] 15c187153414befadfd989fd166e53de8c5b86af1a3386fec254abdd31841bdd
[INFO] checking mrsc-0.3.1 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] extracting crate mrsc 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mrsc 0.3.1 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 mrsc 0.3.1
[INFO] finished tweaking crates.io crate mrsc 0.3.1
[INFO] tweaked toml for crates.io crate mrsc 0.3.1 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f22b2ceabb8c2758b7d019f87ed9216610204790cdbd8654e614b5da276a41a
[INFO] running `Command { std: "docker" "start" "-a" "1f22b2ceabb8c2758b7d019f87ed9216610204790cdbd8654e614b5da276a41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f22b2ceabb8c2758b7d019f87ed9216610204790cdbd8654e614b5da276a41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f22b2ceabb8c2758b7d019f87ed9216610204790cdbd8654e614b5da276a41a", kill_on_drop: false }`
[INFO] [stdout] 1f22b2ceabb8c2758b7d019f87ed9216610204790cdbd8654e614b5da276a41a
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 947f8f79dca3195da6c597e0aca3c86c614114fc92b774b05ba38b3da1e486f1
[INFO] running `Command { std: "docker" "start" "-a" "947f8f79dca3195da6c597e0aca3c86c614114fc92b774b05ba38b3da1e486f1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking mrsc v0.3.1 (/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:134:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |       pub fn req(&self, payload: T) -> Result<Response<R>, SendError<T, R>> {
[INFO] [stdout]     |                         ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 128 |           let (tx, rx) = mpsc::channel();
[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] 134 |           Ok(Response {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 135 | |             rx: rx
[INFO] [stdout] 136 | |         })
[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:155:10
[INFO] [stdout]     |
[INFO] [stdout] 154 |       pub fn take(self) -> (EmptyRequest<R>, T) {
[INFO] [stdout]     |                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 155 |           (EmptyRequest {
[INFO] [stdout]     |  __________^
[INFO] [stdout] 156 | |             tx: self.tx,
[INFO] [stdout] 157 | |         }, self.payload)
[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 `mrsc` (lib) 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:134:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |       pub fn req(&self, payload: T) -> Result<Response<R>, SendError<T, R>> {
[INFO] [stdout]     |                         ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 128 |           let (tx, rx) = mpsc::channel();
[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] 134 |           Ok(Response {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 135 | |             rx: rx
[INFO] [stdout] 136 | |         })
[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:155:10
[INFO] [stdout]     |
[INFO] [stdout] 154 |       pub fn take(self) -> (EmptyRequest<R>, T) {
[INFO] [stdout]     |                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 155 |           (EmptyRequest {
[INFO] [stdout]     |  __________^
[INFO] [stdout] 156 | |             tx: self.tx,
[INFO] [stdout] 157 | |         }, self.payload)
[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 `mrsc` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "947f8f79dca3195da6c597e0aca3c86c614114fc92b774b05ba38b3da1e486f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947f8f79dca3195da6c597e0aca3c86c614114fc92b774b05ba38b3da1e486f1", kill_on_drop: false }`
[INFO] [stdout] 947f8f79dca3195da6c597e0aca3c86c614114fc92b774b05ba38b3da1e486f1