[INFO] cloning repository https://github.com/Alexius-Huang/rustful-json-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexius-Huang/rustful-json-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 150835c57ce2fddce89805d7e28ac251261519cc [INFO] checking Alexius-Huang/rustful-json-server/150835c57ce2fddce89805d7e28ac251261519cc against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Alexius-Huang/rustful-json-server on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Alexius-Huang/rustful-json-server [INFO] finished tweaking git repo https://github.com/Alexius-Huang/rustful-json-server [INFO] tweaked toml for git repo https://github.com/Alexius-Huang/rustful-json-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Alexius-Huang/rustful-json-server 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46c261ab42bb1c98b415f8eed7a3497fd023ff5a1e018131c7e7ce3de9efc452 [INFO] running `Command { std: "docker" "start" "-a" "46c261ab42bb1c98b415f8eed7a3497fd023ff5a1e018131c7e7ce3de9efc452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46c261ab42bb1c98b415f8eed7a3497fd023ff5a1e018131c7e7ce3de9efc452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46c261ab42bb1c98b415f8eed7a3497fd023ff5a1e018131c7e7ce3de9efc452", kill_on_drop: false }` [INFO] [stdout] 46c261ab42bb1c98b415f8eed7a3497fd023ff5a1e018131c7e7ce3de9efc452 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ddd8ce548c6201ac0bc037bfe1444fb39178b713bacdb233e9fc5e46cfb1e9d [INFO] running `Command { std: "docker" "start" "-a" "6ddd8ce548c6201ac0bc037bfe1444fb39178b713bacdb233e9fc5e46cfb1e9d", kill_on_drop: false }` [INFO] [stderr] Checking rustful-json-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/response.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn not_found(version: String, start_time: Instant, mut stream: TcpStream) { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | let response = ResponseBuilder::build_404(version); [INFO] [stdout] 36 | match stream.write_all(response.format().as_bytes()) { [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] warning: field `0` is never read [INFO] [stdout] --> src/server/request.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct RequestInitializationError(String); [INFO] [stdout] | -------------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 `rustful-json-server` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/server/response.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn not_found(version: String, start_time: Instant, mut stream: TcpStream) { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | let response = ResponseBuilder::build_404(version); [INFO] [stdout] 36 | match stream.write_all(response.format().as_bytes()) { [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] warning: field `0` is never read [INFO] [stdout] --> src/server/request.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct RequestInitializationError(String); [INFO] [stdout] | -------------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 `rustful-json-server` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "6ddd8ce548c6201ac0bc037bfe1444fb39178b713bacdb233e9fc5e46cfb1e9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ddd8ce548c6201ac0bc037bfe1444fb39178b713bacdb233e9fc5e46cfb1e9d", kill_on_drop: false }` [INFO] [stdout] 6ddd8ce548c6201ac0bc037bfe1444fb39178b713bacdb233e9fc5e46cfb1e9d