[INFO] fetching crate tinycache 0.1.0... [INFO] checking tinycache-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tinycache 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate tinycache 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 tinycache 0.1.0 [INFO] finished tweaking crates.io crate tinycache 0.1.0 [INFO] tweaked toml for crates.io crate tinycache 0.1.0 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 45fc0a84b91922d2bca98702ad328c8ed9e66cb6912036da06818dd89969ece3 [INFO] running `Command { std: "docker" "start" "-a" "45fc0a84b91922d2bca98702ad328c8ed9e66cb6912036da06818dd89969ece3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45fc0a84b91922d2bca98702ad328c8ed9e66cb6912036da06818dd89969ece3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45fc0a84b91922d2bca98702ad328c8ed9e66cb6912036da06818dd89969ece3", kill_on_drop: false }` [INFO] [stdout] 45fc0a84b91922d2bca98702ad328c8ed9e66cb6912036da06818dd89969ece3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dfe4601abc2d626fb25b58cc097a17f5b9d0b26a60a360dddef6ad3502389da8 [INFO] running `Command { std: "docker" "start" "-a" "dfe4601abc2d626fb25b58cc097a17f5b9d0b26a60a360dddef6ad3502389da8", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking tinycache v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/store.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | IO(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StoreErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 | IO(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/store.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | Time(std::time::SystemTimeError), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StoreErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | Time(()), [INFO] [stdout] | ~~ [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/cache.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn item_age(&self, item_key: impl ToString) -> Option { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | store::item_age(self.cache_name.clone(), item_key.to_string()).ok() [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/cache.rs:101:15 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn read(&self, item_key: impl ToString) -> Option [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 101 | match store::read::(self.cache_name.clone(), item_key.clone()) { [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/store.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | Ok(bincode::deserialize(&bytes).map_err(StoreErr::ser)?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tinycache` (lib) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/store.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | IO(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StoreErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 16 | IO(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/store.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | Time(std::time::SystemTimeError), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `StoreErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | Time(()), [INFO] [stdout] | ~~ [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/cache.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn item_age(&self, item_key: impl ToString) -> Option { [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | store::item_age(self.cache_name.clone(), item_key.to_string()).ok() [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/cache.rs:101:15 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn read(&self, item_key: impl ToString) -> Option [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 101 | match store::read::(self.cache_name.clone(), item_key.clone()) { [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/store.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | Ok(bincode::deserialize(&bytes).map_err(StoreErr::ser)?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tinycache` (lib test) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dfe4601abc2d626fb25b58cc097a17f5b9d0b26a60a360dddef6ad3502389da8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfe4601abc2d626fb25b58cc097a17f5b9d0b26a60a360dddef6ad3502389da8", kill_on_drop: false }` [INFO] [stdout] dfe4601abc2d626fb25b58cc097a17f5b9d0b26a60a360dddef6ad3502389da8