[INFO] cloning repository https://github.com/equal-l2/http-server-from-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/equal-l2/http-server-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fhttp-server-from-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fhttp-server-from-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e74403d0cfc1e31d653faf95d541ed8c5ef70b8 [INFO] building equal-l2/http-server-from-scratch against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fequal-l2%2Fhttp-server-from-scratch" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/equal-l2/http-server-from-scratch on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/equal-l2/http-server-from-scratch [INFO] finished tweaking git repo https://github.com/equal-l2/http-server-from-scratch [INFO] tweaked toml for git repo https://github.com/equal-l2/http-server-from-scratch written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/equal-l2/http-server-from-scratch 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b86dbf165a6cb0c7be17fafcf64d2a7bc913a3182a8a770f7d7ea91855c69247 [INFO] running `Command { std: "docker" "start" "-a" "b86dbf165a6cb0c7be17fafcf64d2a7bc913a3182a8a770f7d7ea91855c69247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b86dbf165a6cb0c7be17fafcf64d2a7bc913a3182a8a770f7d7ea91855c69247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86dbf165a6cb0c7be17fafcf64d2a7bc913a3182a8a770f7d7ea91855c69247", kill_on_drop: false }` [INFO] [stdout] b86dbf165a6cb0c7be17fafcf64d2a7bc913a3182a8a770f7d7ea91855c69247 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0062a6a57d69f05f1be665963e4b86094cb393a29f2f15a109185bb7db619897 [INFO] running `Command { std: "docker" "start" "-a" "0062a6a57d69f05f1be665963e4b86094cb393a29f2f15a109185bb7db619897", kill_on_drop: false }` [INFO] [stderr] Compiling http-server-from-scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `dump_bytestr` [INFO] [stdout] --> src/utils.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | macro_rules! dump_bytestr { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/main.rs:28:33 [INFO] [stdout] | [INFO] [stdout] 28 | ... let body = { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/main.rs:97:25 [INFO] [stdout] | [INFO] [stdout] 96 | let mut stream = stream?; [INFO] [stdout] | ---------- [INFO] [stdout] | | [INFO] [stdout] | `stream` calls a custom destructor [INFO] [stdout] | `stream` will be dropped later as of Edition 2024 [INFO] [stdout] 97 | if let Err(e) = handle_stream(&mut stream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] note: `stream` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/types.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct RequestLine<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub version: &'a str, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Response` is never constructed [INFO] [stdout] --> src/types.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | pub struct Response { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `http-server-from-scratch` (bin "http-server-from-scratch") due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0062a6a57d69f05f1be665963e4b86094cb393a29f2f15a109185bb7db619897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0062a6a57d69f05f1be665963e4b86094cb393a29f2f15a109185bb7db619897", kill_on_drop: false }` [INFO] [stdout] 0062a6a57d69f05f1be665963e4b86094cb393a29f2f15a109185bb7db619897