[INFO] fetching crate compio-io 0.1.0-beta.1...
[INFO] checking compio-io-0.1.0-beta.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate compio-io 0.1.0-beta.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate compio-io 0.1.0-beta.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compio-io 0.1.0-beta.1
[INFO] finished tweaking crates.io crate compio-io 0.1.0-beta.1
[INFO] tweaked toml for crates.io crate compio-io 0.1.0-beta.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding compio-buf v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding compio-driver v0.2.2 (latest: v0.3.0)
[INFO] [stderr]       Adding compio-runtime v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compio-driver v0.2.2
[INFO] [stderr]   Downloaded compio-log v0.1.0
[INFO] [stderr]   Downloaded compio-runtime v0.2.0
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded compio-buf v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83d650853fab827f02a8bf7a3346ec9a248ef37444f286953045ed5e7b939a1
[INFO] running `Command { std: "docker" "start" "-a" "e83d650853fab827f02a8bf7a3346ec9a248ef37444f286953045ed5e7b939a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83d650853fab827f02a8bf7a3346ec9a248ef37444f286953045ed5e7b939a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83d650853fab827f02a8bf7a3346ec9a248ef37444f286953045ed5e7b939a1", kill_on_drop: false }`
[INFO] [stdout] e83d650853fab827f02a8bf7a3346ec9a248ef37444f286953045ed5e7b939a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f231cba0b66e836dd2fb838a1192852c0556e22daf595c04f21e43409d7f5aa4
[INFO] running `Command { std: "docker" "start" "-a" "f231cba0b66e836dd2fb838a1192852c0556e22daf595c04f21e43409d7f5aa4", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking compio-buf v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking compio-io v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]     Checking compio-driver v0.2.2
[INFO] [stdout] error: You must choose at least one of these features: ["io-uring", "polling"]
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | compile_error!("You must choose at least one of these features: [\"io-uring\", \"polling\"]");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, PollMode, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/op.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use polling::Event;
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `os_pipe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/mod.rs:348:46
[INFO] [stdout]     |
[INFO] [stdout] 348 |         let (notify_reader, notify_writer) = os_pipe::pipe()?;
[INFO] [stdout]     |                                              ^^^^^^^ use of undeclared crate or module `os_pipe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `os_pipe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/mod.rs:342:20
[INFO] [stdout]     |
[INFO] [stdout] 342 |     notify_reader: os_pipe::PipeReader,
[INFO] [stdout]     |                    ^^^^^^^ use of undeclared crate or module `os_pipe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `os_pipe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/mod.rs:343:20
[INFO] [stdout]     |
[INFO] [stdout] 343 |     notify_writer: os_pipe::PipeWriter,
[INFO] [stdout]     |                    ^^^^^^^ use of undeclared crate or module `os_pipe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `os_pipe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/mod.rs:388:20
[INFO] [stdout]     |
[INFO] [stdout] 388 |     fn new(sender: os_pipe::PipeWriter) -> Self {
[INFO] [stdout]     |                    ^^^^^^^ use of undeclared crate or module `os_pipe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `os_pipe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.2/src/poll/mod.rs:384:13
[INFO] [stdout]     |
[INFO] [stdout] 384 |     sender: os_pipe::PipeWriter,
[INFO] [stdout]     |             ^^^^^^^ use of undeclared crate or module `os_pipe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compio-driver` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/buffer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Buffer {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f231cba0b66e836dd2fb838a1192852c0556e22daf595c04f21e43409d7f5aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f231cba0b66e836dd2fb838a1192852c0556e22daf595c04f21e43409d7f5aa4", kill_on_drop: false }`
[INFO] [stdout] f231cba0b66e836dd2fb838a1192852c0556e22daf595c04f21e43409d7f5aa4
