[INFO] cloning repository https://github.com/EmbeddedAndMore/rust_ipc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmbeddedAndMore/rust_ipc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbeddedAndMore%2Frust_ipc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbeddedAndMore%2Frust_ipc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 735b567b7490b31bc71146d1fe95ee421e566aad [INFO] checking EmbeddedAndMore/rust_ipc/735b567b7490b31bc71146d1fe95ee421e566aad 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%2FEmbeddedAndMore%2Frust_ipc" "/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/EmbeddedAndMore/rust_ipc 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/EmbeddedAndMore/rust_ipc [INFO] finished tweaking git repo https://github.com/EmbeddedAndMore/rust_ipc [INFO] tweaked toml for git repo https://github.com/EmbeddedAndMore/rust_ipc written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/EmbeddedAndMore/rust_ipc 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-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] 09e1ae6d88630a0cb2279c21af1eb32ba3f4106b149132581f473c46e660d1a4 [INFO] running `Command { std: "docker" "start" "-a" "09e1ae6d88630a0cb2279c21af1eb32ba3f4106b149132581f473c46e660d1a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09e1ae6d88630a0cb2279c21af1eb32ba3f4106b149132581f473c46e660d1a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09e1ae6d88630a0cb2279c21af1eb32ba3f4106b149132581f473c46e660d1a4", kill_on_drop: false }` [INFO] [stdout] 09e1ae6d88630a0cb2279c21af1eb32ba3f4106b149132581f473c46e660d1a4 [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] 5064423efc8eda266425c1582f6311d8568504748566893484aa9c1bda11b72c [INFO] running `Command { std: "docker" "start" "-a" "5064423efc8eda266425c1582f6311d8568504748566893484aa9c1bda11b72c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.35.0 [INFO] [stderr] Checking ipc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Pid`, `signal::Signal`, `signal`, and `waitpid` [INFO] [stdout] --> src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | sys::{wait::{wait,waitpid, WaitStatus}, signal, signal::Signal}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] 6 | unistd::{fork, ForkResult, Pid} [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Pid`, `signal::Signal`, `signal`, and `waitpid` [INFO] [stdout] --> src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | sys::{wait::{wait,waitpid, WaitStatus}, signal, signal::Signal}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] 6 | unistd::{fork, ForkResult, Pid} [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/main.rs:29:34 [INFO] [stdout] | [INFO] [stdout] 29 | ... Some(sig) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig` [INFO] [stdout] --> src/main.rs:29:34 [INFO] [stdout] | [INFO] [stdout] 29 | ... Some(sig) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sig` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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/main.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 25 | let mut sigchld = signal(SignalKind::child()).unwrap(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | [INFO] [stdout] 27 | match sigchld.recv().await { [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/main.rs:27:46 [INFO] [stdout] | [INFO] [stdout] 25 | let mut sigchld = signal(SignalKind::child()).unwrap(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | [INFO] [stdout] 27 | match sigchld.recv().await { [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ipc` (bin "ipc") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ipc` (bin "ipc" test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5064423efc8eda266425c1582f6311d8568504748566893484aa9c1bda11b72c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5064423efc8eda266425c1582f6311d8568504748566893484aa9c1bda11b72c", kill_on_drop: false }` [INFO] [stdout] 5064423efc8eda266425c1582f6311d8568504748566893484aa9c1bda11b72c