[INFO] fetching crate eyeball-im-util 0.6.0... [INFO] checking eyeball-im-util-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate eyeball-im-util 0.6.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate eyeball-im-util 0.6.0 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 eyeball-im-util 0.6.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate eyeball-im-util 0.6.0 [INFO] tweaked toml for crates.io crate eyeball-im-util 0.6.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [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] 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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a65dc9a85e15bfd27591ae9516b4c09a6379ad1f26d6f64ad6c7b9b6d8029573 [INFO] running `Command { std: "docker" "start" "-a" "a65dc9a85e15bfd27591ae9516b4c09a6379ad1f26d6f64ad6c7b9b6d8029573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a65dc9a85e15bfd27591ae9516b4c09a6379ad1f26d6f64ad6c7b9b6d8029573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a65dc9a85e15bfd27591ae9516b4c09a6379ad1f26d6f64ad6c7b9b6d8029573", kill_on_drop: false }` [INFO] [stdout] a65dc9a85e15bfd27591ae9516b4c09a6379ad1f26d6f64ad6c7b9b6d8029573 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f4b5bb20081a4fce60465c1120612ace1a1f4de829b7f455eeee358c1c12311 [INFO] running `Command { std: "docker" "start" "-a" "9f4b5bb20081a4fce60465c1120612ace1a1f4de829b7f455eeee358c1c12311", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking bitmaps v3.2.1 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking readlock v0.1.8 [INFO] [stderr] Checking stream_assert v0.1.1 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking eyeball v0.8.8 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking imbl-sized-chunks v0.1.2 [INFO] [stderr] Checking imbl v3.0.0 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking eyeball-im v0.5.0 [INFO] [stderr] Checking eyeball-im-util v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/vector/ops.rs:63:30 [INFO] [stdout] | [INFO] [stdout] 56 | mut make_diffs: impl FnMut(VectorDiff) -> ArrayVec, 2>, [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | let mut diffs = make_diffs(self); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | if let Some(first) = diffs.pop() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/vector/ops.rs:63:30 [INFO] [stdout] | [INFO] [stdout] 56 | mut make_diffs: impl FnMut(VectorDiff) -> ArrayVec, 2>, [INFO] [stdout] | -------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | let mut diffs = make_diffs(self); [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | if let Some(first) = diffs.pop() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `eyeball-im-util` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `eyeball-im-util` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9f4b5bb20081a4fce60465c1120612ace1a1f4de829b7f455eeee358c1c12311", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f4b5bb20081a4fce60465c1120612ace1a1f4de829b7f455eeee358c1c12311", kill_on_drop: false }` [INFO] [stdout] 9f4b5bb20081a4fce60465c1120612ace1a1f4de829b7f455eeee358c1c12311