[INFO] fetching crate light_binary_merkle_tree 0.1.0... [INFO] checking light_binary_merkle_tree-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate light_binary_merkle_tree 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate light_binary_merkle_tree 0.1.0 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 light_binary_merkle_tree 0.1.0 [INFO] finished tweaking crates.io crate light_binary_merkle_tree 0.1.0 [INFO] tweaked toml for crates.io crate light_binary_merkle_tree 0.1.0 written to /workspace/builds/worker-2-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 23 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 15bb6ec59ea7a2ed05c5f68f4375fa6f00ed1c17ed2ae21dfa957f76bd15e0db [INFO] running `Command { std: "docker" "start" "-a" "15bb6ec59ea7a2ed05c5f68f4375fa6f00ed1c17ed2ae21dfa957f76bd15e0db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15bb6ec59ea7a2ed05c5f68f4375fa6f00ed1c17ed2ae21dfa957f76bd15e0db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15bb6ec59ea7a2ed05c5f68f4375fa6f00ed1c17ed2ae21dfa957f76bd15e0db", kill_on_drop: false }` [INFO] [stdout] 15bb6ec59ea7a2ed05c5f68f4375fa6f00ed1c17ed2ae21dfa957f76bd15e0db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ff7a8c9c1abb56319e0385649e20b6d975f9b0405ca892d049233bd6bdf8097e [INFO] running `Command { std: "docker" "start" "-a" "ff7a8c9c1abb56319e0385649e20b6d975f9b0405ca892d049233bd6bdf8097e", kill_on_drop: false }` [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha3 v0.10.8 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking light_binary_merkle_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sha2::Digest` [INFO] [stdout] --> src/lightbinarymerkletree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use sha2::Digest; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hash` is never read [INFO] [stdout] --> src/lightbinarymerkletree.rs:218:25 [INFO] [stdout] | [INFO] [stdout] 218 | hash = &(String::from("0x") + hash_.as_str()); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [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/lightbinarymerkletree.rs:66:26 [INFO] [stdout] | [INFO] [stdout] 62 | fn compute_hash(value: &str, hasher_instance: H) -> String { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | let value_in_bytes = value.as_bytes(); [INFO] [stdout] 64 | let mut hasher = hasher_instance; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | hasher.update(value_in_bytes); [INFO] [stdout] 66 | Self::hex_encode(hasher.finalize().as_slice()) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `light_binary_merkle_tree` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `hash` is never read [INFO] [stdout] --> src/lightbinarymerkletree.rs:218:25 [INFO] [stdout] | [INFO] [stdout] 218 | hash = &(String::from("0x") + hash_.as_str()); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [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/lightbinarymerkletree.rs:66:26 [INFO] [stdout] | [INFO] [stdout] 62 | fn compute_hash(value: &str, hasher_instance: H) -> String { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | let value_in_bytes = value.as_bytes(); [INFO] [stdout] 64 | let mut hasher = hasher_instance; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 65 | hasher.update(value_in_bytes); [INFO] [stdout] 66 | Self::hex_encode(hasher.finalize().as_slice()) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `light_binary_merkle_tree` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "ff7a8c9c1abb56319e0385649e20b6d975f9b0405ca892d049233bd6bdf8097e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff7a8c9c1abb56319e0385649e20b6d975f9b0405ca892d049233bd6bdf8097e", kill_on_drop: false }` [INFO] [stdout] ff7a8c9c1abb56319e0385649e20b6d975f9b0405ca892d049233bd6bdf8097e