[INFO] fetching crate virtual-serialport 0.1.1... [INFO] checking virtual-serialport-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate virtual-serialport 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate virtual-serialport 0.1.1 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 virtual-serialport 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate virtual-serialport 0.1.1 [INFO] tweaked toml for crates.io crate virtual-serialport 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate virtual-serialport 0.1.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d05dc6c952da47518851c13c15b4293f3b1d306d1a5542248061daeff338d573 [INFO] running `Command { std: "docker" "start" "-a" "d05dc6c952da47518851c13c15b4293f3b1d306d1a5542248061daeff338d573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d05dc6c952da47518851c13c15b4293f3b1d306d1a5542248061daeff338d573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d05dc6c952da47518851c13c15b4293f3b1d306d1a5542248061daeff338d573", kill_on_drop: false }` [INFO] [stdout] d05dc6c952da47518851c13c15b4293f3b1d306d1a5542248061daeff338d573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c6dd6cfedf697e4007ffd3824e6dadf6d599bf701175cf1004427ef1c60ea10b [INFO] running `Command { std: "docker" "start" "-a" "c6dd6cfedf697e4007ffd3824e6dadf6d599bf701175cf1004427ef1c60ea10b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking unescaper v0.1.5 [INFO] [stderr] Checking serialport v4.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking virtual-serialport v0.1.1 (/opt/rustwide/workdir) [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/lib.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 210 | let buffer = Arc::new(( [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 215 | let rts_cts = Arc::new(Mutex::new(true)); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 216 | let dtr_dsr_cd = Arc::new(Mutex::new(true)); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 217 | [INFO] [stdout] 218 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 219 | | config: Arc::new(Mutex::new(Config::new(baud_rate))), [INFO] [stdout] 220 | | paired_port_config: None, [INFO] [stdout] ... | [INFO] [stdout] 228 | | dsr_cd: dtr_dsr_cd.clone(), [INFO] [stdout] 229 | | }) [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/lib.rs:280:12 [INFO] [stdout] | [INFO] [stdout] 235 | let read_buffer = Arc::new(( [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | let write_buffer = Arc::new(( [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | let rts = Arc::new(Mutex::new(true)); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 247 | let cts = Arc::new(Mutex::new(true)); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 248 | let dtr = Arc::new(Mutex::new(true)); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 249 | let dsr_cd = Arc::new(Mutex::new(true)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 250 | [INFO] [stdout] 251 | let mut port1 = Self { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 264 | let mut port2 = Self { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | Ok((port1, port2)) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `virtual-serialport` (lib) due to 3 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/lib.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 210 | let buffer = Arc::new(( [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 215 | let rts_cts = Arc::new(Mutex::new(true)); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 216 | let dtr_dsr_cd = Arc::new(Mutex::new(true)); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 217 | [INFO] [stdout] 218 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 219 | | config: Arc::new(Mutex::new(Config::new(baud_rate))), [INFO] [stdout] 220 | | paired_port_config: None, [INFO] [stdout] ... | [INFO] [stdout] 228 | | dsr_cd: dtr_dsr_cd.clone(), [INFO] [stdout] 229 | | }) [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/lib.rs:280:12 [INFO] [stdout] | [INFO] [stdout] 235 | let read_buffer = Arc::new(( [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | let write_buffer = Arc::new(( [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | let rts = Arc::new(Mutex::new(true)); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 247 | let cts = Arc::new(Mutex::new(true)); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 248 | let dtr = Arc::new(Mutex::new(true)); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 249 | let dsr_cd = Arc::new(Mutex::new(true)); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 250 | [INFO] [stdout] 251 | let mut port1 = Self { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 264 | let mut port2 = Self { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 280 | Ok((port1, port2)) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `virtual-serialport` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "c6dd6cfedf697e4007ffd3824e6dadf6d599bf701175cf1004427ef1c60ea10b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6dd6cfedf697e4007ffd3824e6dadf6d599bf701175cf1004427ef1c60ea10b", kill_on_drop: false }` [INFO] [stdout] c6dd6cfedf697e4007ffd3824e6dadf6d599bf701175cf1004427ef1c60ea10b