[INFO] cloning repository https://github.com/amirrezaask/web-server-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/web-server-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fweb-server-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirrezaask%2Fweb-server-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4aae746c13ec6183bf37c511bd971f55443c5c41 [INFO] checking amirrezaask/web-server-rs/4aae746c13ec6183bf37c511bd971f55443c5c41 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%2Fweb-server-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amirrezaask/web-server-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/web-server-rs [INFO] finished tweaking git repo https://github.com/amirrezaask/web-server-rs [INFO] tweaked toml for git repo https://github.com/amirrezaask/web-server-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/amirrezaask/web-server-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9124b698f933a62ec88613c746b111e1def70a3419933d7974bff028b8d2b0f8 [INFO] running `Command { std: "docker" "start" "-a" "9124b698f933a62ec88613c746b111e1def70a3419933d7974bff028b8d2b0f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9124b698f933a62ec88613c746b111e1def70a3419933d7974bff028b8d2b0f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9124b698f933a62ec88613c746b111e1def70a3419933d7974bff028b8d2b0f8", kill_on_drop: false }` [INFO] [stdout] 9124b698f933a62ec88613c746b111e1def70a3419933d7974bff028b8d2b0f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0ed9d35df9f4703ab2f7325c638f507f920e1a60f4d7e4236c1239915f3539cd [INFO] running `Command { std: "docker" "start" "-a" "0ed9d35df9f4703ab2f7325c638f507f920e1a60f4d7e4236c1239915f3539cd", kill_on_drop: false }` [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking web-server-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `Write` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/handlers.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/handlers.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/util.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/util.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `Write` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::{Read, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/handlers.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/handlers.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/util.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> src/util.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/handlers.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let request = String::from_utf8_lossy(&util::read_from_stream(&mut stream)); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `port` is never read [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut port: u32 = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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/handlers.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn index(mut stream: TcpStream) { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | match stream.flush() { [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; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/handlers.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let request = String::from_utf8_lossy(&util::read_from_stream(&mut stream)); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `port` is never read [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut port: u32 = 0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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/handlers.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn index(mut stream: TcpStream) { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | match stream.flush() { [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; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `web-server-rs` (bin "web-server-rs" test) due to 2 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `web-server-rs` (bin "web-server-rs") due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0ed9d35df9f4703ab2f7325c638f507f920e1a60f4d7e4236c1239915f3539cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ed9d35df9f4703ab2f7325c638f507f920e1a60f4d7e4236c1239915f3539cd", kill_on_drop: false }` [INFO] [stdout] 0ed9d35df9f4703ab2f7325c638f507f920e1a60f4d7e4236c1239915f3539cd