[INFO] cloning repository https://github.com/codad5/rust-web-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codad5/rust-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodad5%2Frust-web-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodad5%2Frust-web-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c6946bd8b3d82e9fd6a608a6d6293f4ed842c14b [INFO] checking codad5/rust-web-server/c6946bd8b3d82e9fd6a608a6d6293f4ed842c14b 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%2Fcodad5%2Frust-web-server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codad5/rust-web-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/codad5/rust-web-server [INFO] finished tweaking git repo https://github.com/codad5/rust-web-server [INFO] tweaked toml for git repo https://github.com/codad5/rust-web-server written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/codad5/rust-web-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 21e50e05f3d9944f1224f58dc520135a156a62c4605416178fcca36c149a407c [INFO] running `Command { std: "docker" "start" "-a" "21e50e05f3d9944f1224f58dc520135a156a62c4605416178fcca36c149a407c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21e50e05f3d9944f1224f58dc520135a156a62c4605416178fcca36c149a407c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21e50e05f3d9944f1224f58dc520135a156a62c4605416178fcca36c149a407c", kill_on_drop: false }` [INFO] [stdout] 21e50e05f3d9944f1224f58dc520135a156a62c4605416178fcca36c149a407c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 18ca7380cc4cb818b0793a18129b563edfc782d611325add86fd4c9278664eb0 [INFO] running `Command { std: "docker" "start" "-a" "18ca7380cc4cb818b0793a18129b563edfc782d611325add86fd4c9278664eb0", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking rust-web-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ThreadPool{ [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 4 | workers: Vec, [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/lib.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 41 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 42 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ThreadPool{ [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 4 | workers: Vec, [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/lib.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 41 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 42 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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/bin/main.rs:62:11 [INFO] [stdout] | [INFO] [stdout] 61 | let re = Regex::new(pattern).unwrap(); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 62 | match re.captures(&buffer) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-web-server` (bin "main" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/bin/main.rs:62:11 [INFO] [stdout] | [INFO] [stdout] 61 | let re = Regex::new(pattern).unwrap(); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 62 | match re.captures(&buffer) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-web-server` (bin "main") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "18ca7380cc4cb818b0793a18129b563edfc782d611325add86fd4c9278664eb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18ca7380cc4cb818b0793a18129b563edfc782d611325add86fd4c9278664eb0", kill_on_drop: false }` [INFO] [stdout] 18ca7380cc4cb818b0793a18129b563edfc782d611325add86fd4c9278664eb0