[INFO] fetching crate zchunk 0.2.0... [INFO] checking zchunk-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate zchunk 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate zchunk 0.2.0 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 zchunk 0.2.0 [INFO] finished tweaking crates.io crate zchunk 0.2.0 [INFO] tweaked toml for crates.io crate zchunk 0.2.0 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 43 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.1.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] 5ed3a36b419383934920357dbe9ca08216282cc50c6e7291ba2e97cb4ebcc3ae [INFO] running `Command { std: "docker" "start" "-a" "5ed3a36b419383934920357dbe9ca08216282cc50c6e7291ba2e97cb4ebcc3ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ed3a36b419383934920357dbe9ca08216282cc50c6e7291ba2e97cb4ebcc3ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ed3a36b419383934920357dbe9ca08216282cc50c6e7291ba2e97cb4ebcc3ae", kill_on_drop: false }` [INFO] [stdout] 5ed3a36b419383934920357dbe9ca08216282cc50c6e7291ba2e97cb4ebcc3ae [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] 5cadb2d4d7b751a135950e9374ed7258251dd4cf416dd1fb2d5ba6a293f2c577 [INFO] running `Command { std: "docker" "start" "-a" "5cadb2d4d7b751a135950e9374ed7258251dd4cf416dd1fb2d5ba6a293f2c577", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling zstd-safe v7.2.1 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking cpufeatures v0.2.13 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Compiling zstd-sys v2.0.13+zstd.1.5.6 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking zstd v0.13.2 [INFO] [stderr] Checking zchunk v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DataChunk` is never constructed [INFO] [stdout] --> src/format.rs:482:8 [INFO] [stdout] | [INFO] [stdout] 482 | struct DataChunk(Vec); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/format.rs:557:12 [INFO] [stdout] | [INFO] [stdout] 556 | pub fn new(reader: R, temp: RW) -> Result { [INFO] [stdout] | --------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 557 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 558 | | header: None, [INFO] [stdout] 559 | | temp, [INFO] [stdout] 560 | | reader, [INFO] [stdout] 561 | | }) [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/format.rs:648:12 [INFO] [stdout] | [INFO] [stdout] 631 | pub fn new(mut reader: R) -> Result { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 648 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 649 | | header, [INFO] [stdout] 650 | | header_size, [INFO] [stdout] 651 | | reader, [INFO] [stdout] 652 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zchunk` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stdout] warning: struct `DataChunk` is never constructed [INFO] [stdout] --> src/format.rs:482:8 [INFO] [stdout] | [INFO] [stdout] 482 | struct DataChunk(Vec); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [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/format.rs:557:12 [INFO] [stdout] | [INFO] [stdout] 556 | pub fn new(reader: R, temp: RW) -> Result { [INFO] [stdout] | --------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 557 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 558 | | header: None, [INFO] [stdout] 559 | | temp, [INFO] [stdout] 560 | | reader, [INFO] [stdout] 561 | | }) [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/format.rs:648:12 [INFO] [stdout] | [INFO] [stdout] 631 | pub fn new(mut reader: R) -> Result { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 648 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 649 | | header, [INFO] [stdout] 650 | | header_size, [INFO] [stdout] 651 | | reader, [INFO] [stdout] 652 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zchunk` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5cadb2d4d7b751a135950e9374ed7258251dd4cf416dd1fb2d5ba6a293f2c577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cadb2d4d7b751a135950e9374ed7258251dd4cf416dd1fb2d5ba6a293f2c577", kill_on_drop: false }` [INFO] [stdout] 5cadb2d4d7b751a135950e9374ed7258251dd4cf416dd1fb2d5ba6a293f2c577