[INFO] fetching crate xio_common 0.12.0...
[INFO] checking xio_common-0.12.0 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] extracting crate xio_common 0.12.0 into /workspace/builds/worker-5-tc1/source
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xio_common 0.12.0 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (available: v0.5.15)
[INFO] [stderr]       Adding serialport v3.3.0 (available: v4.9.0)
[INFO] [stderr]       Adding snafu v0.5.0 (available: v0.9.1)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.23.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded snafu-derive v0.5.0
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded snafu v0.5.0
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded xio_base_datatypes v0.8.0
[INFO] [stderr]   Downloaded ommui_broadcast v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27
[INFO] running `Command { std: "docker" "start" "655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.14.1
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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<i8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn read_i16<T: ByteOrder>(&mut self) -> Result<i16> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn read_u32<T: ByteOrder>(&mut self) -> Result<u32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn read_i32<T: ByteOrder>(&mut self) -> Result<i32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn read_i64<T: ByteOrder>(&mut self) -> Result<i64> {
[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<T: ByteOrder>(&mut self, n: i16) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn write_u32<T: ByteOrder>(&mut self, n: u32) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn write_i32<T: ByteOrder>(&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: 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)]` (part of `#[warn(unused)]`) 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<i8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn read_i16<T: ByteOrder>(&mut self) -> Result<i16> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn read_u32<T: ByteOrder>(&mut self) -> Result<u32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn read_i32<T: ByteOrder>(&mut self) -> Result<i32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn read_i64<T: ByteOrder>(&mut self) -> Result<i64> {
[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<T: ByteOrder>(&mut self, n: i16) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn write_u32<T: ByteOrder>(&mut self, n: u32) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn write_i32<T: ByteOrder>(&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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27", kill_on_drop: false }`
[INFO] [stdout] 655737080aaa7862245af303033bc4c89b9daf82d65d50a2d75cc16017c07f27
