[INFO] fetching crate herkulex_communicator 0.2.7... [INFO] checking herkulex_communicator-0.2.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate herkulex_communicator 0.2.7 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate herkulex_communicator 0.2.7 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 herkulex_communicator 0.2.7 [INFO] finished tweaking crates.io crate herkulex_communicator 0.2.7 [INFO] tweaked toml for crates.io crate herkulex_communicator 0.2.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate herkulex_communicator 0.2.7 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] a36b7faea997b2b7f972e2bf52a66d38a652f00ba502731417351789b5065e7a [INFO] running `Command { std: "docker" "start" "-a" "a36b7faea997b2b7f972e2bf52a66d38a652f00ba502731417351789b5065e7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a36b7faea997b2b7f972e2bf52a66d38a652f00ba502731417351789b5065e7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a36b7faea997b2b7f972e2bf52a66d38a652f00ba502731417351789b5065e7a", kill_on_drop: false }` [INFO] [stdout] a36b7faea997b2b7f972e2bf52a66d38a652f00ba502731417351789b5065e7a [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] d8108a9c27245d724d233500be67cd34f2d281c735c6149ccec638904cf09d9e [INFO] running `Command { std: "docker" "start" "-a" "d8108a9c27245d724d233500be67cd34f2d281c735c6149ccec638904cf09d9e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Compiling signal-hook v0.3.4 [INFO] [stderr] Checking array-macro v1.0.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking quote v1.0.8 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking xi-unicode v0.3.0 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking drs-0x01 v0.3.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling enum-map-derive v0.4.6 [INFO] [stderr] Checking enum-map v0.6.4 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling wasmer_enumset_derive v0.5.0 [INFO] [stderr] Checking wasmer_enumset v1.0.1 [INFO] [stderr] Checking cursive_core v0.2.2 [INFO] [stderr] Checking cursive v0.16.3 [INFO] [stderr] Checking herkulex_communicator v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `RefMut<'_, Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ui.rs:54:31 [INFO] [stdout] | [INFO] [stdout] 49 | connection: SharedState>>, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | messages: Vec, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | if let Some(ref mut c) = *connection.borrow_mut() { [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 `RefMut<'_, Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ui.rs:84:31 [INFO] [stdout] | [INFO] [stdout] 79 | connection: SharedState>>, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | message: HerkulexMessage, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 84 | if let Some(ref mut c) = *connection.borrow_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `RefMut<'_, Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ui.rs:54:31 [INFO] [stdout] | [INFO] [stdout] 49 | connection: SharedState>>, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | messages: Vec, [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 54 | if let Some(ref mut c) = *connection.borrow_mut() { [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 `RefMut<'_, Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ui.rs:84:31 [INFO] [stdout] | [INFO] [stdout] 79 | connection: SharedState>>, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | message: HerkulexMessage, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 84 | if let Some(ref mut c) = *connection.borrow_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `herkulex_communicator` (bin "herkulex_communicator") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `herkulex_communicator` (bin "herkulex_communicator" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "d8108a9c27245d724d233500be67cd34f2d281c735c6149ccec638904cf09d9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8108a9c27245d724d233500be67cd34f2d281c735c6149ccec638904cf09d9e", kill_on_drop: false }` [INFO] [stdout] d8108a9c27245d724d233500be67cd34f2d281c735c6149ccec638904cf09d9e