[INFO] fetching crate gaffer 0.2.0... [INFO] checking gaffer-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate gaffer 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate gaffer 0.2.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gaffer 0.2.0 [INFO] finished tweaking crates.io crate gaffer 0.2.0 [INFO] tweaked toml for crates.io crate gaffer 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate gaffer 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de0778ef83e849d935e51d35490ed622fd5fe2d2493e2acd6791107c7513473c [INFO] running `Command { std: "docker" "start" "-a" "de0778ef83e849d935e51d35490ed622fd5fe2d2493e2acd6791107c7513473c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de0778ef83e849d935e51d35490ed622fd5fe2d2493e2acd6791107c7513473c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de0778ef83e849d935e51d35490ed622fd5fe2d2493e2acd6791107c7513473c", kill_on_drop: false }` [INFO] [stdout] de0778ef83e849d935e51d35490ed622fd5fe2d2493e2acd6791107c7513473c [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdb4e644384148e4f94b9276d315a0a973c21896a129c55e857521327f5d8e7d [INFO] running `Command { std: "docker" "start" "-a" "fdb4e644384148e4f94b9276d315a0a973c21896a129c55e857521327f5d8e7d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking gaffer v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.5.4 [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/future.rs:93:30 [INFO] [stdout] | [INFO] [stdout] 91 | let mut data = self.shared.inner(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 92 | drop(data.merged.take()); [INFO] [stdout] 93 | if let Some(waker) = data.waker.take() { [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: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/future.rs:144:31 [INFO] [stdout] | [INFO] [stdout] 143 | let mut data = self.shared.inner(); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 144 | if let Some(result) = data.result.take() { [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] warning: enum `NeverRecur` is never used [INFO] [stdout] --> src/source.rs:186:6 [INFO] [stdout] | [INFO] [stdout] 186 | enum NeverRecur {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 `gaffer` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fdb4e644384148e4f94b9276d315a0a973c21896a129c55e857521327f5d8e7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdb4e644384148e4f94b9276d315a0a973c21896a129c55e857521327f5d8e7d", kill_on_drop: false }` [INFO] [stdout] fdb4e644384148e4f94b9276d315a0a973c21896a129c55e857521327f5d8e7d