[INFO] fetching crate const-hex 1.12.0... [INFO] checking const-hex-1.12.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate const-hex 1.12.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate const-hex 1.12.0 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 const-hex 1.12.0 [INFO] finished tweaking crates.io crate const-hex 1.12.0 [INFO] tweaked toml for crates.io crate const-hex 1.12.0 written to /workspace/builds/worker-4-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 35 packages to latest compatible versions [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aef6d6e4a85483bee17d0af72a999c5841081bd162ab40486f426dfa85951194 [INFO] running `Command { std: "docker" "start" "-a" "aef6d6e4a85483bee17d0af72a999c5841081bd162ab40486f426dfa85951194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aef6d6e4a85483bee17d0af72a999c5841081bd162ab40486f426dfa85951194", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aef6d6e4a85483bee17d0af72a999c5841081bd162ab40486f426dfa85951194", kill_on_drop: false }` [INFO] [stdout] aef6d6e4a85483bee17d0af72a999c5841081bd162ab40486f426dfa85951194 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 376c4a3132b69cdfd3cdf34720b0d17c40f7cb52f22fb33cbec0cda2452de3f9 [INFO] running `Command { std: "docker" "start" "-a" "376c4a3132b69cdfd3cdf34720b0d17c40f7cb52f22fb33cbec0cda2452de3f9", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking hex-literal v0.4.1 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking faster-hex v0.9.0 [INFO] [stderr] Checking const-hex v1.12.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.77 [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/traits.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 179 | fn from_hex>(hex: U) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 180 | FromHex::from_hex(hex.as_ref()).map(Self::new) [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/traits.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 193 | fn from_hex>(hex: U) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 194 | FromHex::from_hex(hex.as_ref()).map(Cow::Owned) [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/traits.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 203 | fn from_hex>(hex: U) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 204 | FromHex::from_hex(hex.as_ref()).map(Self::new) [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/traits.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 213 | fn from_hex>(hex: U) -> Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 214 | FromHex::from_hex(hex.as_ref()).map(Self::new) [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 `const-hex` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "376c4a3132b69cdfd3cdf34720b0d17c40f7cb52f22fb33cbec0cda2452de3f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "376c4a3132b69cdfd3cdf34720b0d17c40f7cb52f22fb33cbec0cda2452de3f9", kill_on_drop: false }` [INFO] [stdout] 376c4a3132b69cdfd3cdf34720b0d17c40f7cb52f22fb33cbec0cda2452de3f9