[INFO] cloning repository https://github.com/dfunani/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/dfunani/web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfunani%2Fweb_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfunani%2Fweb_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac712b28db6f3f678ef4527e56eb1febca67b349 [INFO] checking dfunani/web_server/ac712b28db6f3f678ef4527e56eb1febca67b349 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%2Fdfunani%2Fweb_server" "/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/dfunani/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/dfunani/web_server [INFO] finished tweaking git repo https://github.com/dfunani/web_server [INFO] tweaked toml for git repo https://github.com/dfunani/web_server written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dfunani/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] 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] ba6388e17b7ee69dd95c6acc3352be1456adc89c9406e96b27c5860352a22782 [INFO] running `Command { std: "docker" "start" "-a" "ba6388e17b7ee69dd95c6acc3352be1456adc89c9406e96b27c5860352a22782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba6388e17b7ee69dd95c6acc3352be1456adc89c9406e96b27c5860352a22782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba6388e17b7ee69dd95c6acc3352be1456adc89c9406e96b27c5860352a22782", kill_on_drop: false }` [INFO] [stdout] ba6388e17b7ee69dd95c6acc3352be1456adc89c9406e96b27c5860352a22782 [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] 38d0140f2fa5e87eca9bfa5efeca3ac0f5d829ae82b0bc946c4b2c21d6b927be [INFO] running `Command { std: "docker" "start" "-a" "38d0140f2fa5e87eca9bfa5efeca3ac0f5d829ae82b0bc946c4b2c21d6b927be", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Compiling uuid-macro-internal v1.7.0 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking uuid v1.7.0 [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/src/threads) [INFO] [stdout] warning: field `thread_ids` is never read [INFO] [stdout] --> src/threads/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 10 | thread_ids: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/threads/src/lib.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 21 | let mut workers: Vec = Vec::with_capacity(number_of_threads); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | let mut thread_ids: Vec = Vec::with_capacity(number_of_threads); [INFO] [stdout] 23 | let (sender, receiver) = mpsc::channel(); [INFO] [stdout] | ------ -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | let receiver = Arc::new(Mutex::new(receiver)); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | Ok(ThreadPool { [INFO] [stdout] | ____________^ [INFO] [stdout] 31 | | thread_ids, [INFO] [stdout] 32 | | workers, [INFO] [stdout] 33 | | sender: Some(sender), [INFO] [stdout] 34 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/threads/src/lib.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 67 | fn new(id: Uuid, receiver: Arc>>) -> Self { [INFO] [stdout] | --------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 68 | let thread = thread::spawn(move || loop { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | thread: Some(thread), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread_ids` is never read [INFO] [stdout] --> src/threads/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 10 | thread_ids: Vec, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/threads/src/lib.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 21 | let mut workers: Vec = Vec::with_capacity(number_of_threads); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | let mut thread_ids: Vec = Vec::with_capacity(number_of_threads); [INFO] [stdout] 23 | let (sender, receiver) = mpsc::channel(); [INFO] [stdout] | ------ -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | let receiver = Arc::new(Mutex::new(receiver)); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | Ok(ThreadPool { [INFO] [stdout] | ____________^ [INFO] [stdout] 31 | | thread_ids, [INFO] [stdout] 32 | | workers, [INFO] [stdout] 33 | | sender: Some(sender), [INFO] [stdout] 34 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/threads/src/lib.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 67 | fn new(id: Uuid, receiver: Arc>>) -> Self { [INFO] [stdout] | --------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 68 | let thread = thread::spawn(move || loop { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | thread: Some(thread), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `threads` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `threads` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "38d0140f2fa5e87eca9bfa5efeca3ac0f5d829ae82b0bc946c4b2c21d6b927be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38d0140f2fa5e87eca9bfa5efeca3ac0f5d829ae82b0bc946c4b2c21d6b927be", kill_on_drop: false }` [INFO] [stdout] 38d0140f2fa5e87eca9bfa5efeca3ac0f5d829ae82b0bc946c4b2c21d6b927be