[INFO] fetching crate memflex 0.8.4... [INFO] checking memflex-0.8.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate memflex 0.8.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate memflex 0.8.4 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 memflex 0.8.4 [INFO] finished tweaking crates.io crate memflex 0.8.4 [INFO] tweaked toml for crates.io crate memflex 0.8.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate memflex 0.8.4 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-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] e13ecf553cef98f8ab430db594cf09120a33dd169f1e090f8bbb90ea1e32da2f [INFO] running `Command { std: "docker" "start" "-a" "e13ecf553cef98f8ab430db594cf09120a33dd169f1e090f8bbb90ea1e32da2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e13ecf553cef98f8ab430db594cf09120a33dd169f1e090f8bbb90ea1e32da2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e13ecf553cef98f8ab430db594cf09120a33dd169f1e090f8bbb90ea1e32da2f", kill_on_drop: false }` [INFO] [stdout] e13ecf553cef98f8ab430db594cf09120a33dd169f1e090f8bbb90ea1e32da2f [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] e0d06f4101b0bae088c4cc482ee43be12308c848893f1e00092cd512b4312bc8 [INFO] running `Command { std: "docker" "start" "-a" "e0d06f4101b0bae088c4cc482ee43be12308c848893f1e00092cd512b4312bc8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking obfstr v0.4.3 [INFO] [stderr] Checking memflex v0.8.4 (/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/memory.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 90 | pat: impl Matcher, [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | .filter_map(move |(i, bytes)| { [INFO] [stdout] | _____________________^ [INFO] [stdout] 100 | | if pat.matches(bytes) { [INFO] [stdout] 101 | | Some(start.add(i)) [INFO] [stdout] 102 | | } else { [INFO] [stdout] 103 | | None [INFO] [stdout] 104 | | } [INFO] [stdout] 105 | | }) [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] [stderr] error: could not compile `memflex` (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/memory.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 90 | pat: impl Matcher, [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | .filter_map(move |(i, bytes)| { [INFO] [stdout] | _____________________^ [INFO] [stdout] 100 | | if pat.matches(bytes) { [INFO] [stdout] 101 | | Some(start.add(i)) [INFO] [stdout] 102 | | } else { [INFO] [stdout] 103 | | None [INFO] [stdout] 104 | | } [INFO] [stdout] 105 | | }) [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] [stderr] error: could not compile `memflex` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e0d06f4101b0bae088c4cc482ee43be12308c848893f1e00092cd512b4312bc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0d06f4101b0bae088c4cc482ee43be12308c848893f1e00092cd512b4312bc8", kill_on_drop: false }` [INFO] [stdout] e0d06f4101b0bae088c4cc482ee43be12308c848893f1e00092cd512b4312bc8