[INFO] fetching crate flatvec 0.3.0... [INFO] checking flatvec-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate flatvec 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate flatvec 0.3.0 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 flatvec 0.3.0 [INFO] finished tweaking crates.io crate flatvec 0.3.0 [INFO] tweaked toml for crates.io crate flatvec 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate flatvec 0.3.0 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" "+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] f9955d5dca45ffb861ced5a6a9f8c3f521efe9d97b47ec60598e67065061ca10 [INFO] running `Command { std: "docker" "start" "-a" "f9955d5dca45ffb861ced5a6a9f8c3f521efe9d97b47ec60598e67065061ca10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9955d5dca45ffb861ced5a6a9f8c3f521efe9d97b47ec60598e67065061ca10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9955d5dca45ffb861ced5a6a9f8c3f521efe9d97b47ec60598e67065061ca10", kill_on_drop: false }` [INFO] [stdout] f9955d5dca45ffb861ced5a6a9f8c3f521efe9d97b47ec60598e67065061ca10 [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] 827471899dcf8e165d02b9d724e6a922e1f350d5bb62302b3fa1a8690d111218 [INFO] running `Command { std: "docker" "start" "-a" "827471899dcf8e165d02b9d724e6a922e1f350d5bb62302b3fa1a8690d111218", kill_on_drop: false }` [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking libflate_lz77 v1.1.0 [INFO] [stderr] Checking tinyvec v1.5.0 [INFO] [stderr] Checking libflate v1.1.1 [INFO] [stderr] Checking flatvec v0.3.0 (/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:171:54 [INFO] [stdout] | [INFO] [stdout] 171 | .chain(self.ends.iter().copied().map(|v| v.try_into().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] = 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:172:52 [INFO] [stdout] | [INFO] [stdout] 172 | .zip(self.ends.iter().copied().map(|v| v.try_into().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 `flatvec` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "827471899dcf8e165d02b9d724e6a922e1f350d5bb62302b3fa1a8690d111218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "827471899dcf8e165d02b9d724e6a922e1f350d5bb62302b3fa1a8690d111218", kill_on_drop: false }` [INFO] [stdout] 827471899dcf8e165d02b9d724e6a922e1f350d5bb62302b3fa1a8690d111218