[INFO] fetching crate ssh-muxcontrol 0.1.0... [INFO] checking ssh-muxcontrol-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate ssh-muxcontrol 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate ssh-muxcontrol 0.1.0 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 crates.io crate ssh-muxcontrol 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate ssh-muxcontrol 0.1.0 [INFO] tweaked toml for crates.io crate ssh-muxcontrol 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate ssh-muxcontrol 0.1.0 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] b0aca41ffeb3e3c44852cf3bd36178f24c2a3ac32093503685d157c7a1f17d49 [INFO] running `Command { std: "docker" "start" "-a" "b0aca41ffeb3e3c44852cf3bd36178f24c2a3ac32093503685d157c7a1f17d49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0aca41ffeb3e3c44852cf3bd36178f24c2a3ac32093503685d157c7a1f17d49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0aca41ffeb3e3c44852cf3bd36178f24c2a3ac32093503685d157c7a1f17d49", kill_on_drop: false }` [INFO] [stdout] b0aca41ffeb3e3c44852cf3bd36178f24c2a3ac32093503685d157c7a1f17d49 [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] c493c1e6e18342b490df142f5c66803c1d17dae9273ae55b42936e5803f142fe [INFO] running `Command { std: "docker" "start" "-a" "c493c1e6e18342b490df142f5c66803c1d17dae9273ae55b42936e5803f142fe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Compiling tokio-macros v1.5.0 [INFO] [stderr] Checking sendfd v0.4.0 [INFO] [stderr] Checking tokio-pipe v0.2.1 [INFO] [stderr] Checking ssh-muxcontrol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `ssh_pid` is never read [INFO] [stdout] --> src/commands/check_alive.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct MuxRespCheckAlive { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 30 | ssh_pid: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MuxRespCheckAlive` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ssh_pid` is never read [INFO] [stdout] --> src/commands/check_alive.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct MuxRespCheckAlive { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 30 | ssh_pid: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MuxRespCheckAlive` 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] 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/tests.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | Ok(()) [INFO] [stdout] | ^^---- [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/tests.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | Ok(()) [INFO] [stdout] | ^^---- [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | Ok(()) [INFO] [stdout] | ^^---- [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tests.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | Ok(()) [INFO] [stdout] | ^^---- [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/hello.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | Ok(()) [INFO] [stdout] | ^^---- [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 `ssh-muxcontrol` (example "hello") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ssh-muxcontrol` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "c493c1e6e18342b490df142f5c66803c1d17dae9273ae55b42936e5803f142fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c493c1e6e18342b490df142f5c66803c1d17dae9273ae55b42936e5803f142fe", kill_on_drop: false }` [INFO] [stdout] c493c1e6e18342b490df142f5c66803c1d17dae9273ae55b42936e5803f142fe