[INFO] fetching crate ru5102 0.1.2... [INFO] checking ru5102-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate ru5102 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate ru5102 0.1.2 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 ru5102 0.1.2 [INFO] finished tweaking crates.io crate ru5102 0.1.2 [INFO] tweaked toml for crates.io crate ru5102 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate ru5102 0.1.2 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c6f8cfbd8edfb0a9f5d42c6e58207537280b167a187767b556253fd822ac3e01 [INFO] running `Command { std: "docker" "start" "-a" "c6f8cfbd8edfb0a9f5d42c6e58207537280b167a187767b556253fd822ac3e01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6f8cfbd8edfb0a9f5d42c6e58207537280b167a187767b556253fd822ac3e01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6f8cfbd8edfb0a9f5d42c6e58207537280b167a187767b556253fd822ac3e01", kill_on_drop: false }` [INFO] [stdout] c6f8cfbd8edfb0a9f5d42c6e58207537280b167a187767b556253fd822ac3e01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b4aeb9f8c10411065a13d44d5686ac9d898b4e87074e69d02f7b008431e3ded9 [INFO] running `Command { std: "docker" "start" "-a" "b4aeb9f8c10411065a13d44d5686ac9d898b4e87074e69d02f7b008431e3ded9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking serial v0.4.0 [INFO] [stderr] Checking backtrace v0.3.38 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling toml v0.5.3 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Compiling proc-quote-impl v0.2.2 [INFO] [stderr] Compiling proc-quote v0.2.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling proc-macro-crate v0.1.4 [INFO] [stderr] Compiling num_enum_derive v0.4.1 [INFO] [stderr] Checking num_enum v0.4.1 [INFO] [stderr] Checking ru5102 v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:285:13 [INFO] [stdout] | [INFO] [stdout] 285 | try!(settings.set_baud_rate(serial::Baud57600)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:285:13 [INFO] [stdout] | [INFO] [stdout] 285 | try!(settings.set_baud_rate(serial::Baud57600)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` 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/lib.rs:296:12 [INFO] [stdout] | [INFO] [stdout] 282 | let mut port = serial::open(port) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 296 | Ok(Reader { [INFO] [stdout] | ____________^ [INFO] [stdout] 297 | | port, [INFO] [stdout] 298 | | address: 0, [INFO] [stdout] 299 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ru5102` (lib test) due to 2 previous errors; 1 warning emitted [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:296:12 [INFO] [stdout] | [INFO] [stdout] 282 | let mut port = serial::open(port) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 296 | Ok(Reader { [INFO] [stdout] | ____________^ [INFO] [stdout] 297 | | port, [INFO] [stdout] 298 | | address: 0, [INFO] [stdout] 299 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ru5102` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b4aeb9f8c10411065a13d44d5686ac9d898b4e87074e69d02f7b008431e3ded9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4aeb9f8c10411065a13d44d5686ac9d898b4e87074e69d02f7b008431e3ded9", kill_on_drop: false }` [INFO] [stdout] b4aeb9f8c10411065a13d44d5686ac9d898b4e87074e69d02f7b008431e3ded9