[INFO] fetching crate ls32-hid-lib 0.3.0... [INFO] checking ls32-hid-lib-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ls32-hid-lib 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ls32-hid-lib 0.3.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ls32-hid-lib 0.3.0 [INFO] finished tweaking crates.io crate ls32-hid-lib 0.3.0 [INFO] tweaked toml for crates.io crate ls32-hid-lib 0.3.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding hidapi v1.5.0 (available: v2.6.3) [INFO] [stderr] Adding phf v0.8.0 (available: v0.11.2) [INFO] [stderr] Adding phf_generator v0.8.0 (available: v0.11.2) [INFO] [stderr] Adding phf_macros v0.8.0 (available: v0.11.2) [INFO] [stderr] Adding phf_shared v0.8.0 (available: v0.11.2) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding rand_pcg v0.2.1 (available: v0.3.1) [INFO] [stderr] Adding siphasher v0.3.11 (available: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ff3dd9507b0333335ec22b0b248cd350330da478d9dc61b734d655fdfc75f2b [INFO] running `Command { std: "docker" "start" "-a" "5ff3dd9507b0333335ec22b0b248cd350330da478d9dc61b734d655fdfc75f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ff3dd9507b0333335ec22b0b248cd350330da478d9dc61b734d655fdfc75f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ff3dd9507b0333335ec22b0b248cd350330da478d9dc61b734d655fdfc75f2b", kill_on_drop: false }` [INFO] [stdout] 5ff3dd9507b0333335ec22b0b248cd350330da478d9dc61b734d655fdfc75f2b [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55f0a6650222ef0d6dee1a72e9b3a738bc3d8a41eecc6689edf203658e41e429 [INFO] running `Command { std: "docker" "start" "-a" "55f0a6650222ef0d6dee1a72e9b3a738bc3d8a41eecc6689edf203658e41e429", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling hidapi v1.5.0 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking ls32-hid-lib v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:81:11 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn send_msg(badge: HidDevice, msg: &str, blink: bool, brightness: u8) -> Result { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 81 | match badge.write(&data) { [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 `ls32-hid-lib` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:81:11 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn send_msg(badge: HidDevice, msg: &str, blink: bool, brightness: u8) -> Result { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 81 | match badge.write(&data) { [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 `ls32-hid-lib` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "55f0a6650222ef0d6dee1a72e9b3a738bc3d8a41eecc6689edf203658e41e429", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55f0a6650222ef0d6dee1a72e9b3a738bc3d8a41eecc6689edf203658e41e429", kill_on_drop: false }` [INFO] [stdout] 55f0a6650222ef0d6dee1a72e9b3a738bc3d8a41eecc6689edf203658e41e429