[INFO] fetching crate cpr_bf 0.1.5...
[INFO] checking cpr_bf-0.1.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate cpr_bf 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cpr_bf 0.1.5 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 cpr_bf 0.1.5
[INFO] finished tweaking crates.io crate cpr_bf 0.1.5
[INFO] tweaked toml for crates.io crate cpr_bf 0.1.5 written to /workspace/builds/worker-7-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 10 packages to latest compatible versions
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f2d77ce41dff5079f3901bc3d76da1c6fa033effa7fa9b4783b6414722a85644
[INFO] running `Command { std: "docker" "start" "-a" "f2d77ce41dff5079f3901bc3d76da1c6fa033effa7fa9b4783b6414722a85644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2d77ce41dff5079f3901bc3d76da1c6fa033effa7fa9b4783b6414722a85644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d77ce41dff5079f3901bc3d76da1c6fa033effa7fa9b4783b6414722a85644", kill_on_drop: false }`
[INFO] [stdout] f2d77ce41dff5079f3901bc3d76da1c6fa033effa7fa9b4783b6414722a85644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2f76a6d81811cf70e6392000841754773d0f957057c0be30a370061cadc3d83b
[INFO] running `Command { std: "docker" "start" "-a" "2f76a6d81811cf70e6392000841754773d0f957057c0be30a370061cadc3d83b", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking cpr_bf v0.1.5 (/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:290:18
[INFO] [stdout]     |
[INFO] [stdout] 287 |       pub fn build(self) -> Box<dyn BrainfuckVM> {
[INFO] [stdout]     |                    ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 290 |           Box::new(VirtualMachine::<T, A, R, W>::new(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 291 | |             self.initial_size,
[INFO] [stdout] 292 | |             self.reader,
[INFO] [stdout] 293 | |             self.writer,
[INFO] [stdout] 294 | |         ))
[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:290:18
[INFO] [stdout]     |
[INFO] [stdout] 287 |       pub fn build(self) -> Box<dyn BrainfuckVM> {
[INFO] [stdout]     |                    ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 290 |           Box::new(VirtualMachine::<T, A, R, W>::new(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 291 | |             self.initial_size,
[INFO] [stdout] 292 | |             self.reader,
[INFO] [stdout] 293 | |             self.writer,
[INFO] [stdout] 294 | |         ))
[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 `cpr_bf` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cpr_bf` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f76a6d81811cf70e6392000841754773d0f957057c0be30a370061cadc3d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f76a6d81811cf70e6392000841754773d0f957057c0be30a370061cadc3d83b", kill_on_drop: false }`
[INFO] [stdout] 2f76a6d81811cf70e6392000841754773d0f957057c0be30a370061cadc3d83b