[INFO] fetching crate megadex_derive 0.1.0... [INFO] checking megadex_derive-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate megadex_derive 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate megadex_derive 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 megadex_derive 0.1.0 [INFO] finished tweaking crates.io crate megadex_derive 0.1.0 [INFO] tweaked toml for crates.io crate megadex_derive 0.1.0 written to /workspace/builds/worker-3-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 68 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding idna v0.1.5 (latest: v1.0.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding lmdb-rkv v0.11.4 (latest: v0.14.0) [INFO] [stderr] Adding lmdb-rkv-sys v0.8.6 (latest: v0.11.2) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding ordered-float v1.1.1 (latest: v4.2.2) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rkv v0.8.0 (latest: v0.19.0) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.77) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] [stderr] Adding url v1.7.2 (latest: v2.5.2) [INFO] [stderr] Adding uuid v0.7.4 (latest: v1.10.0) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f373594e21d64c6d3d8aae30fc36c6e05ba883c8e41d8ecf5d47c8dbffc82aed [INFO] running `Command { std: "docker" "start" "-a" "f373594e21d64c6d3d8aae30fc36c6e05ba883c8e41d8ecf5d47c8dbffc82aed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f373594e21d64c6d3d8aae30fc36c6e05ba883c8e41d8ecf5d47c8dbffc82aed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f373594e21d64c6d3d8aae30fc36c6e05ba883c8e41d8ecf5d47c8dbffc82aed", kill_on_drop: false }` [INFO] [stdout] f373594e21d64c6d3d8aae30fc36c6e05ba883c8e41d8ecf5d47c8dbffc82aed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ffc8ef203f0138abbb9c7dfcf544588cff5608b64540c9246eaf2c8a04a31fee [INFO] running `Command { std: "docker" "start" "-a" "ffc8ef203f0138abbb9c7dfcf544588cff5608b64540c9246eaf2c8a04a31fee", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling lmdb-rkv-sys v0.8.6 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking arrayref v0.3.8 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking megadex_derive v0.1.0 (/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/lib.rs:55:33 [INFO] [stdout] | [INFO] [stdout] 55 | field.attrs.iter().find(|a| a.interpret_meta().map(|v| v.name()).expect("no name for attribute?") == name) [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:147:22 [INFO] [stdout] | [INFO] [stdout] 147 | .map(|f| f.clone().ident.unwrap()) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `megadex_derive` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ffc8ef203f0138abbb9c7dfcf544588cff5608b64540c9246eaf2c8a04a31fee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffc8ef203f0138abbb9c7dfcf544588cff5608b64540c9246eaf2c8a04a31fee", kill_on_drop: false }` [INFO] [stdout] ffc8ef203f0138abbb9c7dfcf544588cff5608b64540c9246eaf2c8a04a31fee