[INFO] cloning repository https://github.com/ctsrc/persistence [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctsrc/persistence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fpersistence", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fpersistence'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8156f1f138375987428759098608af30412a526 [INFO] checking ctsrc/persistence/f8156f1f138375987428759098608af30412a526 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctsrc%2Fpersistence" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ctsrc/persistence 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 git repo https://github.com/ctsrc/persistence [INFO] finished tweaking git repo https://github.com/ctsrc/persistence [INFO] tweaked toml for git repo https://github.com/ctsrc/persistence written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ctsrc/persistence 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-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] 0934f2a7582b0998d54d24b43088e40f398b6f62eb6813565664f78ab41125c3 [INFO] running `Command { std: "docker" "start" "-a" "0934f2a7582b0998d54d24b43088e40f398b6f62eb6813565664f78ab41125c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0934f2a7582b0998d54d24b43088e40f398b6f62eb6813565664f78ab41125c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0934f2a7582b0998d54d24b43088e40f398b6f62eb6813565664f78ab41125c3", kill_on_drop: false }` [INFO] [stdout] 0934f2a7582b0998d54d24b43088e40f398b6f62eb6813565664f78ab41125c3 [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] 5fcd9723616220fd195a855d094b844074eb6cc3eecb9a57b79d456862a07a6e [INFO] running `Command { std: "docker" "start" "-a" "5fcd9723616220fd195a855d094b844074eb6cc3eecb9a57b79d456862a07a6e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking persistence v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:266:13 [INFO] [stdout] | [INFO] [stdout] 266 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file` and `mm` are never read [INFO] [stdout] --> src/lib.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 143 | pub struct MmapedVec { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 144 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] 145 | mm: MmapMut, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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:268:12 [INFO] [stdout] | [INFO] [stdout] 161 | let mut file = OpenOptions::new() [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 184 | let fh = FileHeader { [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 266 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 267 | [INFO] [stdout] 268 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 269 | | file, [INFO] [stdout] 270 | | mm, [INFO] [stdout] 271 | | _marker: PhantomData, [INFO] [stdout] 272 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `persistence` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5fcd9723616220fd195a855d094b844074eb6cc3eecb9a57b79d456862a07a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fcd9723616220fd195a855d094b844074eb6cc3eecb9a57b79d456862a07a6e", kill_on_drop: false }` [INFO] [stdout] 5fcd9723616220fd195a855d094b844074eb6cc3eecb9a57b79d456862a07a6e