[INFO] cloning repository https://github.com/amirrezaask/kv_tcp_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amirrezaask/kv_tcp_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fkv_tcp_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fkv_tcp_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6350a72068781635cd732e947415ecc7292b5eb9 [INFO] checking amirrezaask/kv_tcp_rs/6350a72068781635cd732e947415ecc7292b5eb9 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%2Famirrezaask%2Fkv_tcp_rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amirrezaask/kv_tcp_rs 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/amirrezaask/kv_tcp_rs [INFO] finished tweaking git repo https://github.com/amirrezaask/kv_tcp_rs [INFO] tweaked toml for git repo https://github.com/amirrezaask/kv_tcp_rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/amirrezaask/kv_tcp_rs 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6de72999bf98104ef84181693ee4cb9ae4c46081ba5f17fe965ea6481089c07c [INFO] running `Command { std: "docker" "start" "-a" "6de72999bf98104ef84181693ee4cb9ae4c46081ba5f17fe965ea6481089c07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6de72999bf98104ef84181693ee4cb9ae4c46081ba5f17fe965ea6481089c07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6de72999bf98104ef84181693ee4cb9ae4c46081ba5f17fe965ea6481089c07c", kill_on_drop: false }` [INFO] [stdout] 6de72999bf98104ef84181693ee4cb9ae4c46081ba5f17fe965ea6481089c07c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 036abc36fe06f5d6923b60e7b481a07ee29f550e6234546708ced0fc196b2ca6 [INFO] running `Command { std: "docker" "start" "-a" "036abc36fe06f5d6923b60e7b481a07ee29f550e6234546708ced0fc196b2ca6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking instant v0.1.11 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling tokio-macros v1.4.1 [INFO] [stderr] Checking kv_tcp_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | Err(err) => return Err("".to_string()), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | Err(err) => return Err("".to_string()), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | loop { [INFO] [stdout] | _____^ - [INFO] [stdout] | |__________| [INFO] [stdout] 39 | || let mut this_store = Store(store.0.clone()); [INFO] [stdout] 40 | || [INFO] [stdout] 41 | || // Asynchronously wait for an inbound TcpStream. [INFO] [stdout] ... || [INFO] [stdout] 71 | || }); [INFO] [stdout] 72 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | loop { [INFO] [stdout] | _____^ - [INFO] [stdout] | |__________| [INFO] [stdout] 39 | || let mut this_store = Store(store.0.clone()); [INFO] [stdout] 40 | || [INFO] [stdout] 41 | || // Asynchronously wait for an inbound TcpStream. [INFO] [stdout] ... || [INFO] [stdout] 71 | || }); [INFO] [stdout] 72 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kv_tcp_rs` (bin "kv_tcp_rs" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `kv_tcp_rs` (bin "kv_tcp_rs") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "036abc36fe06f5d6923b60e7b481a07ee29f550e6234546708ced0fc196b2ca6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "036abc36fe06f5d6923b60e7b481a07ee29f550e6234546708ced0fc196b2ca6", kill_on_drop: false }` [INFO] [stdout] 036abc36fe06f5d6923b60e7b481a07ee29f550e6234546708ced0fc196b2ca6