[INFO] fetching crate portman 0.2.1... [INFO] checking portman-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate portman 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate portman 0.2.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate portman 0.2.1 [INFO] finished tweaking crates.io crate portman 0.2.1 [INFO] tweaked toml for crates.io crate portman 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate portman 0.2.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b4f71ed12ab26687fa02bddfefcfd7bf34e294a9275d56b8b5e75753398da80 [INFO] running `Command { std: "docker" "start" "-a" "0b4f71ed12ab26687fa02bddfefcfd7bf34e294a9275d56b8b5e75753398da80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b4f71ed12ab26687fa02bddfefcfd7bf34e294a9275d56b8b5e75753398da80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b4f71ed12ab26687fa02bddfefcfd7bf34e294a9275d56b8b5e75753398da80", kill_on_drop: false }` [INFO] [stdout] 0b4f71ed12ab26687fa02bddfefcfd7bf34e294a9275d56b8b5e75753398da80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cba45b1672361bbebfce1269be9b4f401428a52b88230a3d8e6280cf7e5e73a [INFO] running `Command { std: "docker" "start" "-a" "8cba45b1672361bbebfce1269be9b4f401428a52b88230a3d8e6280cf7e5e73a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.127 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking portman v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{App, Arg, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::time; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `service_handle` [INFO] [stdout] --> src/main.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let service_handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:176:15 [INFO] [stdout] | [INFO] [stdout] 176 | if let Ok(count) = reader.read_until(b'\n', &mut line) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `service_handle` [INFO] [stdout] --> src/main.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let service_handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:176:15 [INFO] [stdout] | [INFO] [stdout] 176 | if let Ok(count) = reader.read_until(b'\n', &mut line) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:176:24 [INFO] [stdout] | [INFO] [stdout] 174 | let so = socket.lock().unwrap(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 175 | let mut reader = BufReader::new(so.try_clone().unwrap()); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 176 | if let Ok(count) = reader.read_until(b'\n', &mut line) { [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: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:176:24 [INFO] [stdout] | [INFO] [stdout] 174 | let so = socket.lock().unwrap(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 175 | let mut reader = BufReader::new(so.try_clone().unwrap()); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 176 | if let Ok(count) = reader.read_until(b'\n', &mut line) { [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: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:287:23 [INFO] [stdout] | [INFO] [stdout] 286 | let socket = so.lock().unwrap(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 287 | if let Ok(peer) = socket.peer_addr() { [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: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:287:23 [INFO] [stdout] | [INFO] [stdout] 286 | let socket = so.lock().unwrap(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 287 | if let Ok(peer) = socket.peer_addr() { [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] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:332:9 [INFO] [stdout] | [INFO] [stdout] 332 | let result = sock.flush(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:332:9 [INFO] [stdout] | [INFO] [stdout] 332 | let result = sock.flush(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `portman` (bin "portman" test) due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `portman` (bin "portman") due to 3 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8cba45b1672361bbebfce1269be9b4f401428a52b88230a3d8e6280cf7e5e73a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cba45b1672361bbebfce1269be9b4f401428a52b88230a3d8e6280cf7e5e73a", kill_on_drop: false }` [INFO] [stdout] 8cba45b1672361bbebfce1269be9b4f401428a52b88230a3d8e6280cf7e5e73a