[INFO] fetching crate notugly 0.2.2...
[INFO] checking notugly-0.2.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate notugly 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate notugly 0.2.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notugly 0.2.2
[INFO] finished tweaking crates.io crate notugly 0.2.2
[INFO] tweaked toml for crates.io crate notugly 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate notugly 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b57ee4ff92aed1f11d3fb297bf4946ec247b412361e14c7c64ca66a29febad3
[INFO] running `Command { std: "docker" "start" "-a" "3b57ee4ff92aed1f11d3fb297bf4946ec247b412361e14c7c64ca66a29febad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b57ee4ff92aed1f11d3fb297bf4946ec247b412361e14c7c64ca66a29febad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b57ee4ff92aed1f11d3fb297bf4946ec247b412361e14c7c64ca66a29febad3", kill_on_drop: false }`
[INFO] [stdout] 3b57ee4ff92aed1f11d3fb297bf4946ec247b412361e14c7c64ca66a29febad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b386d335b3fa8af7abd7798a70e88b36094063fdd7f3457e28ae3f40c964db2
[INFO] running `Command { std: "docker" "start" "-a" "3b386d335b3fa8af7abd7798a70e88b36094063fdd7f3457e28ae3f40c964db2", kill_on_drop: false }`
[INFO] [stderr]     Checking notugly v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<(i32, FormatDesc)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/format.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub(crate) fn be(w: i32, k: i32, mut z: VecDeque<(i32, FormatDesc)>) -> ProcessedFormat {
[INFO] [stdout]    |                                  ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 99 |     match z.pop_front() {
[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: this value of type `Option<(i32, FormatDesc)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/format.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub(crate) fn be(w: i32, k: i32, mut z: VecDeque<(i32, FormatDesc)>) -> ProcessedFormat {
[INFO] [stdout]    |                                  ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 99 |     match z.pop_front() {
[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 `notugly` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `notugly` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3b386d335b3fa8af7abd7798a70e88b36094063fdd7f3457e28ae3f40c964db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b386d335b3fa8af7abd7798a70e88b36094063fdd7f3457e28ae3f40c964db2", kill_on_drop: false }`
[INFO] [stdout] 3b386d335b3fa8af7abd7798a70e88b36094063fdd7f3457e28ae3f40c964db2