[INFO] fetching crate io-impl 0.11.0...
[INFO] checking io-impl-0.11.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate io-impl 0.11.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate io-impl 0.11.0
[INFO] finished tweaking crates.io crate io-impl 0.11.0
[INFO] tweaked toml for crates.io crate io-impl 0.11.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-impl 0.11.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-trait v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acee18f1712e180617ce5ef589da6b7fdca26e1cd258ca01ea0e8700c6fb6487
[INFO] running `Command { std: "docker" "start" "-a" "acee18f1712e180617ce5ef589da6b7fdca26e1cd258ca01ea0e8700c6fb6487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acee18f1712e180617ce5ef589da6b7fdca26e1cd258ca01ea0e8700c6fb6487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acee18f1712e180617ce5ef589da6b7fdca26e1cd258ca01ea0e8700c6fb6487", kill_on_drop: false }`
[INFO] [stdout] acee18f1712e180617ce5ef589da6b7fdca26e1cd258ca01ea0e8700c6fb6487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a698d3552da42c51f1d1cfefa74ddb6c29196548aa6ac35e206897334dd1a94a
[INFO] running `Command { std: "docker" "start" "-a" "a698d3552da42c51f1d1cfefa74ddb6c29196548aa6ac35e206897334dd1a94a", kill_on_drop: false }`
[INFO] [stderr]     Checking io-trait v0.11.0
[INFO] [stderr]     Checking io-impl v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> src/unix.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg(not(tarpaulin_include))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> src/unix.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg(not(tarpaulin_include))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AFile` is never constructed
[INFO] [stdout]   --> src/async_io.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct AFile {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AIo` is never constructed
[INFO] [stdout]   --> src/async_io.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct AIo();
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsyncTrait` is never used
[INFO] [stdout]  --> src/async_traits.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait AsyncTrait {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/async_traits.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct File<T: AsyncTrait>(T::Handle);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Overlapped` is never constructed
[INFO] [stdout]   --> src/async_traits.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Overlapped<T: AsyncTrait>(T::Overlapped);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create`, `open`, `read`, and `write` are never used
[INFO] [stdout]   --> src/async_traits.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T: AsyncTrait> File<T> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 52 |     pub fn create(file_name: &CStr) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn open(file_name: &CStr) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn read<'a>(
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn write<'a>(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operation` is never constructed
[INFO] [stdout]   --> src/async_traits.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Operation<'a, T: AsyncTrait> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AioError` is never constructed
[INFO] [stdout]   --> src/unix.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct AioError(c_int);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EINPROGRESS` is never used
[INFO] [stdout]   --> src/unix.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const EINPROGRESS: AioError = AioError(libc::EINPROGRESS);
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aio_error` is never used
[INFO] [stdout]   --> src/unix.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn aio_error(overlapped: &aiocb) -> AioError {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unix` is never constructed
[INFO] [stdout]   --> src/unix.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Unix();
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_result` is never used
[INFO] [stdout]   --> src/unix.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn to_result(result: c_int) -> io::Result<c_int> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_operation_result` is never used
[INFO] [stdout]   --> src/unix.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn to_operation_result(result: c_int) -> io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Os` is never used
[INFO] [stdout]   --> src/unix.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub type Os = Unix;
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a698d3552da42c51f1d1cfefa74ddb6c29196548aa6ac35e206897334dd1a94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a698d3552da42c51f1d1cfefa74ddb6c29196548aa6ac35e206897334dd1a94a", kill_on_drop: false }`
[INFO] [stdout] a698d3552da42c51f1d1cfefa74ddb6c29196548aa6ac35e206897334dd1a94a