[INFO] cloning repository https://github.com/arunkumar-reddy/Rust-Multithreaded-Server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arunkumar-reddy/Rust-Multithreaded-Server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farunkumar-reddy%2FRust-Multithreaded-Server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farunkumar-reddy%2FRust-Multithreaded-Server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4fc58b3bcb2d7b30b090f0a38bc5a3a6f5c7726
[INFO] checking arunkumar-reddy/Rust-Multithreaded-Server/f4fc58b3bcb2d7b30b090f0a38bc5a3a6f5c7726 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%2Farunkumar-reddy%2FRust-Multithreaded-Server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arunkumar-reddy/Rust-Multithreaded-Server 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/arunkumar-reddy/Rust-Multithreaded-Server
[INFO] finished tweaking git repo https://github.com/arunkumar-reddy/Rust-Multithreaded-Server
[INFO] tweaked toml for git repo https://github.com/arunkumar-reddy/Rust-Multithreaded-Server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arunkumar-reddy/Rust-Multithreaded-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a9c70976e0469a2ce00f58db7911350c2d966eaec150746a13fcf6647478b020
[INFO] running `Command { std: "docker" "start" "-a" "a9c70976e0469a2ce00f58db7911350c2d966eaec150746a13fcf6647478b020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9c70976e0469a2ce00f58db7911350c2d966eaec150746a13fcf6647478b020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c70976e0469a2ce00f58db7911350c2d966eaec150746a13fcf6647478b020", kill_on_drop: false }`
[INFO] [stdout] a9c70976e0469a2ce00f58db7911350c2d966eaec150746a13fcf6647478b020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 953bc6d2deca63184065976fd72a90e38df28383977e7988c1da2625bbaaf7d8
[INFO] running `Command { std: "docker" "start" "-a" "953bc6d2deca63184065976fd72a90e38df28383977e7988c1da2625bbaaf7d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking rust_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `http_version` is never read
[INFO] [stdout]  --> src/server_core/request/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Request {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     pub http_version: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_server` (bin "rust_server" test) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/server_core/worker_pool/worker/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[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/server_core/request/mod.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut buf_stream = BufStream::new(stream);
[INFO] [stdout]    |                 ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |         let mut request = String::new();
[INFO] [stdout] 19 |         match buf_stream.read_line(&mut request) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/server_core/worker_pool/mod.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute(&mut self, stream: TcpStream, callback: fn(Request, Response)) {
[INFO] [stdout]    |                               ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         let job = Job::new(callback, stream);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         match self.senders[self.active_worker].send(job) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `http_version` is never read
[INFO] [stdout]  --> src/server_core/request/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Request {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 6 |     pub http_version: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/server_core/worker_pool/worker/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[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/server_core/request/mod.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut buf_stream = BufStream::new(stream);
[INFO] [stdout]    |                 ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |         let mut request = String::new();
[INFO] [stdout] 19 |         match buf_stream.read_line(&mut request) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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/server_core/worker_pool/mod.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute(&mut self, stream: TcpStream, callback: fn(Request, Response)) {
[INFO] [stdout]    |                               ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         let job = Job::new(callback, stream);
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         match self.senders[self.active_worker].send(job) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_server` (bin "rust_server") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "953bc6d2deca63184065976fd72a90e38df28383977e7988c1da2625bbaaf7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953bc6d2deca63184065976fd72a90e38df28383977e7988c1da2625bbaaf7d8", kill_on_drop: false }`
[INFO] [stdout] 953bc6d2deca63184065976fd72a90e38df28383977e7988c1da2625bbaaf7d8