[INFO] fetching crate wayland-kbd 0.13.1... [INFO] checking wayland-kbd-0.13.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate wayland-kbd 0.13.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate wayland-kbd 0.13.1 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 wayland-kbd 0.13.1 [INFO] finished tweaking crates.io crate wayland-kbd 0.13.1 [INFO] tweaked toml for crates.io crate wayland-kbd 0.13.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding dlib v0.4.2 (latest: v0.5.2) [INFO] [stderr] Adding libloading v0.6.7 (latest: v0.8.5) [INFO] [stderr] Adding memmap v0.6.2 (latest: v0.7.0) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.3) [INFO] [stderr] Adding tempfile v2.2.0 (latest: v3.12.0) [INFO] [stderr] Adding wayland-client v0.12.5 (latest: v0.31.5) [INFO] [stderr] Adding wayland-scanner v0.12.5 (latest: v0.31.4) [INFO] [stderr] Adding wayland-sys v0.12.5 (latest: v0.31.4) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding xml-rs v0.7.0 (latest: v0.8.21) [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] 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1145968e5b4291ca5b6e4572954a5e07a6a3ef732b107d353f36fda50a5c1c31 [INFO] running `Command { std: "docker" "start" "-a" "1145968e5b4291ca5b6e4572954a5e07a6a3ef732b107d353f36fda50a5c1c31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1145968e5b4291ca5b6e4572954a5e07a6a3ef732b107d353f36fda50a5c1c31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1145968e5b4291ca5b6e4572954a5e07a6a3ef732b107d353f36fda50a5c1c31", kill_on_drop: false }` [INFO] [stdout] 1145968e5b4291ca5b6e4572954a5e07a6a3ef732b107d353f36fda50a5c1c31 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff62dbdb426b13c494a847f0e25248dcdb6a29d21bdb46cae2cd6497562acbec [INFO] running `Command { std: "docker" "start" "-a" "ff62dbdb426b13c494a847f0e25248dcdb6a29d21bdb46cae2cd6497562acbec", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking token_store v0.1.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Compiling wayland-scanner v0.12.5 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Checking wayland-kbd v0.13.1 (/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/mapped_keyboard.rs:397:32 [INFO] [stdout] | [INFO] [stdout] 397 | s.map_or(Ok(None), |s| CString::new(s).map(Option::Some)) [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 `wayland-kbd` (lib test) 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/mapped_keyboard.rs:397:32 [INFO] [stdout] | [INFO] [stdout] 397 | s.map_or(Ok(None), |s| CString::new(s).map(Option::Some)) [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 `wayland-kbd` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ff62dbdb426b13c494a847f0e25248dcdb6a29d21bdb46cae2cd6497562acbec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff62dbdb426b13c494a847f0e25248dcdb6a29d21bdb46cae2cd6497562acbec", kill_on_drop: false }` [INFO] [stdout] ff62dbdb426b13c494a847f0e25248dcdb6a29d21bdb46cae2cd6497562acbec