[INFO] fetching crate fractran 0.1.0...
[INFO] checking fractran-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate fractran 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate fractran 0.1.0 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 fractran 0.1.0
[INFO] finished tweaking crates.io crate fractran 0.1.0
[INFO] tweaked toml for crates.io crate fractran 0.1.0 written to /workspace/builds/worker-1-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] [stderr]       Adding itertools v0.9.0 (latest: v0.13.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 485660f1db0519ed2ef742f3dc02e2f0b0753c68ec633f6cb536bbca7459d4b0
[INFO] running `Command { std: "docker" "start" "-a" "485660f1db0519ed2ef742f3dc02e2f0b0753c68ec633f6cb536bbca7459d4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "485660f1db0519ed2ef742f3dc02e2f0b0753c68ec633f6cb536bbca7459d4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485660f1db0519ed2ef742f3dc02e2f0b0753c68ec633f6cb536bbca7459d4b0", kill_on_drop: false }`
[INFO] [stdout] 485660f1db0519ed2ef742f3dc02e2f0b0753c68ec633f6cb536bbca7459d4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2ec32d263c0be14850ea731b65f025f5237e425571d5a9ad0b5d0cfc0ed80751
[INFO] running `Command { std: "docker" "start" "-a" "2ec32d263c0be14850ea731b65f025f5237e425571d5a9ad0b5d0cfc0ed80751", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking fractran v0.1.0 (/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/program.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |       pub fn exec_to_completion(self, input: T) -> T {
[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] 85 | /         self.lazy_exec(input)
[INFO] [stdout] 86 | |             .inspect(|step| {
[INFO] [stdout] 87 | |                 dbg!(step);
[INFO] [stdout] 88 | |             })
[INFO] [stdout] 89 | |             .last()
[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] [stderr] error: could not compile `fractran` (lib) due to 2 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/program.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |       pub fn exec_to_completion(self, input: T) -> T {
[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] 85 | /         self.lazy_exec(input)
[INFO] [stdout] 86 | |             .inspect(|step| {
[INFO] [stdout] 87 | |                 dbg!(step);
[INFO] [stdout] 88 | |             })
[INFO] [stdout] 89 | |             .last()
[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] [stderr] error: could not compile `fractran` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2ec32d263c0be14850ea731b65f025f5237e425571d5a9ad0b5d0cfc0ed80751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec32d263c0be14850ea731b65f025f5237e425571d5a9ad0b5d0cfc0ed80751", kill_on_drop: false }`
[INFO] [stdout] 2ec32d263c0be14850ea731b65f025f5237e425571d5a9ad0b5d0cfc0ed80751