[INFO] fetching crate xio_common 0.12.0... [INFO] checking xio_common-0.12.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate xio_common 0.12.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate xio_common 0.12.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xio_common 0.12.0 [INFO] finished tweaking crates.io crate xio_common 0.12.0 [INFO] tweaked toml for crates.io crate xio_common 0.12.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 73 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.4.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding crossbeam-channel v0.3.9 (available: v0.5.13) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (available: v0.8.20) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding libudev v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding mach v0.1.2 (available: v0.3.2) [INFO] [stderr] Adding mach v0.2.3 (available: v0.3.2) [INFO] [stderr] Adding nix v0.14.1 (available: v0.29.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding serialport v3.3.0 (available: v4.5.1) [INFO] [stderr] Adding snafu v0.5.0 (available: v0.8.5) [INFO] [stderr] Adding snafu-derive v0.5.0 (available: v0.8.5) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] [stderr] Adding uuid v0.7.4 (available: v1.10.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9066fe5e7348b52c667c6e1b8ad53633a2fb16612f54cdfcf561b21a9c4661e7 [INFO] running `Command { std: "docker" "start" "-a" "9066fe5e7348b52c667c6e1b8ad53633a2fb16612f54cdfcf561b21a9c4661e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9066fe5e7348b52c667c6e1b8ad53633a2fb16612f54cdfcf561b21a9c4661e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9066fe5e7348b52c667c6e1b8ad53633a2fb16612f54cdfcf561b21a9c4661e7", kill_on_drop: false }` [INFO] [stdout] 9066fe5e7348b52c667c6e1b8ad53633a2fb16612f54cdfcf561b21a9c4661e7 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cd3547aa83b218deec629d47eeccd81910d85df7c4cfa11fa5f94896e81a24c [INFO] running `Command { std: "docker" "start" "-a" "2cd3547aa83b218deec629d47eeccd81910d85df7c4cfa11fa5f94896e81a24c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling snafu-derive v0.5.0 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking snafu v0.5.0 [INFO] [stderr] Checking ommui_broadcast v0.4.0 [INFO] [stderr] Checking xio_base_datatypes v0.8.0 [INFO] [stderr] Checking xio_common v0.12.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::Message` [INFO] [stdout] --> src/messages/mod.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | pub use crate::Message; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::Message` [INFO] [stdout] --> src/messages/mod.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | pub use crate::Message; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RequestItem` is never constructed [INFO] [stdout] --> src/connection.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | pub(crate) struct RequestItem { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_data_types` is never used [INFO] [stdout] --> src/data_type.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) trait DataTypeWriterExt: Write { [INFO] [stdout] | ----------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 15 | fn write_data_types(&mut self, t: &[DataType]) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DeviceCapabilityWriterExt` is never used [INFO] [stdout] --> src/device_capability.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait DeviceCapabilityWriterExt: Write { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read_i8`, `read_i16`, `read_u32`, `read_i32`, and `read_i64` are never used [INFO] [stdout] --> src/io_helper.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) trait ReadExt: ReadBytesExt { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 12 | fn read_i8(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn read_i16(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn read_u32(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn read_i32(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn read_i64(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `write_i8`, `write_i16`, `write_u32`, and `write_i32` are never used [INFO] [stdout] --> src/io_helper.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) trait WriteExt: WriteBytesExt { [INFO] [stdout] | -------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 48 | fn write_i8(&mut self, n: i8) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn write_i16(&mut self, n: i16) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | fn write_u32(&mut self, n: u32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn write_i32(&mut self, n: i32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `JobSetInfoWriterExt` is never used [INFO] [stdout] --> src/job_set_info.rs:37:18 [INFO] [stdout] | [INFO] [stdout] 37 | pub(crate) trait JobSetInfoWriterExt: Write { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RequestItem` is never constructed [INFO] [stdout] --> src/connection.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | pub(crate) struct RequestItem { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write_data_types` is never used [INFO] [stdout] --> src/data_type.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) trait DataTypeWriterExt: Write { [INFO] [stdout] | ----------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 15 | fn write_data_types(&mut self, t: &[DataType]) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DeviceCapabilityWriterExt` is never used [INFO] [stdout] --> src/device_capability.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait DeviceCapabilityWriterExt: Write { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `read_i8`, `read_i16`, `read_u32`, `read_i32`, and `read_i64` are never used [INFO] [stdout] --> src/io_helper.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) trait ReadExt: ReadBytesExt { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 12 | fn read_i8(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn read_i16(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn read_u32(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn read_i32(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn read_i64(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `write_i8`, `write_i16`, `write_u32`, and `write_i32` are never used [INFO] [stdout] --> src/io_helper.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub(crate) trait WriteExt: WriteBytesExt { [INFO] [stdout] | -------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 48 | fn write_i8(&mut self, n: i8) -> Result<()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn write_i16(&mut self, n: i16) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | fn write_u32(&mut self, n: u32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn write_i32(&mut self, n: i32) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `JobSetInfoWriterExt` is never used [INFO] [stdout] --> src/job_set_info.rs:37:18 [INFO] [stdout] | [INFO] [stdout] 37 | pub(crate) trait JobSetInfoWriterExt: Write { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.85s [INFO] running `Command { std: "docker" "inspect" "2cd3547aa83b218deec629d47eeccd81910d85df7c4cfa11fa5f94896e81a24c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cd3547aa83b218deec629d47eeccd81910d85df7c4cfa11fa5f94896e81a24c", kill_on_drop: false }` [INFO] [stdout] 2cd3547aa83b218deec629d47eeccd81910d85df7c4cfa11fa5f94896e81a24c