[INFO] cloning repository https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdelettre%2FLearn-Rust-by-Building-Real-Applications-Http-Server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdelettre%2FLearn-Rust-by-Building-Real-Applications-Http-Server'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdelettre%2FLearn-Rust-by-Building-Real-Applications-Http-Server: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdelettre%2FLearn-Rust-by-Building-Real-Applications-Http-Server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdelettre%2FLearn-Rust-by-Building-Real-Applications-Http-Server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 12142df00b3a08a2255a7bca39a7b9505f6534dd [INFO] building qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdelettre%2FLearn-Rust-by-Building-Real-Applications-Http-Server" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server [INFO] finished tweaking git repo https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server [INFO] tweaked toml for git repo https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-Server written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/qdelettre/Learn-Rust-by-Building-Real-Applications-Http-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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b875611cd6f315cd93be472fe0d2319d89aa50de26d2debb8ddeb033da5029d [INFO] running `Command { std: "docker" "start" "-a" "2b875611cd6f315cd93be472fe0d2319d89aa50de26d2debb8ddeb033da5029d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b875611cd6f315cd93be472fe0d2319d89aa50de26d2debb8ddeb033da5029d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b875611cd6f315cd93be472fe0d2319d89aa50de26d2debb8ddeb033da5029d", kill_on_drop: false }` [INFO] [stdout] 2b875611cd6f315cd93be472fe0d2319d89aa50de26d2debb8ddeb033da5029d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d76b65f51b169097c9b03a18fc734e280817efc8349a1e69aaf0a7f48d10274 [INFO] running `Command { std: "docker" "start" "-a" "8d76b65f51b169097c9b03a18fc734e280817efc8349a1e69aaf0a7f48d10274", kill_on_drop: false }` [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Value as QueryStringValue` [INFO] [stdout] --> src/http/mod.rs:2:37 [INFO] [stdout] | [INFO] [stdout] 2 | pub use query_string::{QueryString, Value as QueryStringValue}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/server.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | match listener.accept() { [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] 31 | Ok((mut 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] ... [INFO] [stdout] 50 | } [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` invokes this custom destructor [INFO] [stdout] --> /rustc/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] note: `stream` invokes this custom destructor [INFO] [stdout] --> /rustc/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/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 `data` is never read [INFO] [stdout] --> src/http/query_string.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct QueryString<'buffer> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | data: HashMap<&'buffer str, Value<'buffer>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `QueryString` 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: method `get` is never used [INFO] [stdout] --> src/http/query_string.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl<'buffer> QueryString<'buffer> { [INFO] [stdout] | ---------------------------------- method in this implementation [INFO] [stdout] 14 | pub fn get(&self, key: &str) -> Option<&Value> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `query_string` is never read [INFO] [stdout] --> src/http/request.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Request<'buffer> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | query_string: Option>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `query_string` is never used [INFO] [stdout] --> src/http/request.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl<'buffer> Request<'buffer> { [INFO] [stdout] | ------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn query_string(&self) -> Option<&QueryString> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `server` (bin "server") due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8d76b65f51b169097c9b03a18fc734e280817efc8349a1e69aaf0a7f48d10274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d76b65f51b169097c9b03a18fc734e280817efc8349a1e69aaf0a7f48d10274", kill_on_drop: false }` [INFO] [stdout] 8d76b65f51b169097c9b03a18fc734e280817efc8349a1e69aaf0a7f48d10274