[INFO] cloning repository https://github.com/darwinia-network/sparse-merkle-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darwinia-network/sparse-merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fsparse-merkle-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fsparse-merkle-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 704fd346aa1a2190a58c124e9beda5a2b756ae4f [INFO] checking darwinia-network/sparse-merkle-tree/704fd346aa1a2190a58c124e9beda5a2b756ae4f against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fsparse-merkle-tree" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/darwinia-network/sparse-merkle-tree 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/darwinia-network/sparse-merkle-tree [INFO] finished tweaking git repo https://github.com/darwinia-network/sparse-merkle-tree [INFO] tweaked toml for git repo https://github.com/darwinia-network/sparse-merkle-tree written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/darwinia-network/sparse-merkle-tree 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] 7c8fda216aae2ddc92910ffead6abffa276b7af1749a38bb758cd101835d47ea [INFO] running `Command { std: "docker" "start" "-a" "7c8fda216aae2ddc92910ffead6abffa276b7af1749a38bb758cd101835d47ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c8fda216aae2ddc92910ffead6abffa276b7af1749a38bb758cd101835d47ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c8fda216aae2ddc92910ffead6abffa276b7af1749a38bb758cd101835d47ea", kill_on_drop: false }` [INFO] [stdout] 7c8fda216aae2ddc92910ffead6abffa276b7af1749a38bb758cd101835d47ea [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] 122cec1e1bee9c4ca8824b1c15a79a1c70ca8c8ba980c86ad0d43a03b2475dd3 [INFO] running `Command { std: "docker" "start" "-a" "122cec1e1bee9c4ca8824b1c15a79a1c70ca8c8ba980c86ad0d43a03b2475dd3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking array-bytes v1.4.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking tiny-sparse-merkle-tree v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking humantime v1.3.0 [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/lib.rs:64:50 [INFO] [stdout] | [INFO] [stdout] 64 | (0..half_leaves_count).for_each(|_| nodes.push(Default::default())); [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:70:29 [INFO] [stdout] | [INFO] [stdout] 70 | .for_each(|_| nodes.push(Default::default())); [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:153:10 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn proof_of(&self, indices: I) -> Proof [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 133 | let mut proof = Vec::new(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 153 | root: self.root(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:154:23 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn proof_of(&self, indices: I) -> Proof [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 133 | let mut proof = Vec::new(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 154 | leaves_with_index: indices [INFO] [stdout] | ________________________________^ [INFO] [stdout] 155 | | .iter() [INFO] [stdout] 156 | | .map(|i| { [INFO] [stdout] 157 | | let i = half_leaves_count + *i; [INFO] [stdout] ... | [INFO] [stdout] 160 | | }) [INFO] [stdout] 161 | | .collect(), [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tiny-sparse-merkle-tree` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "122cec1e1bee9c4ca8824b1c15a79a1c70ca8c8ba980c86ad0d43a03b2475dd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "122cec1e1bee9c4ca8824b1c15a79a1c70ca8c8ba980c86ad0d43a03b2475dd3", kill_on_drop: false }` [INFO] [stdout] 122cec1e1bee9c4ca8824b1c15a79a1c70ca8c8ba980c86ad0d43a03b2475dd3