[INFO] fetching crate compio-signal 0.4.0...
[INFO] checking compio-signal-0.4.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate compio-signal 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate compio-signal 0.4.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compio-signal 0.4.0
[INFO] finished tweaking crates.io crate compio-signal 0.4.0
[INFO] tweaked toml for crates.io crate compio-signal 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compio-log v0.1.0
[INFO] [stderr]   Downloaded io-uring v0.7.2
[INFO] [stderr]   Downloaded compio-driver v0.6.1
[INFO] [stderr]   Downloaded compio-buf v0.5.1
[INFO] [stderr]   Downloaded os_pipe v1.2.1
[INFO] [stderr]   Downloaded compio-runtime v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d2c3f3a728f7216a858a89ac1ebbb1d6f05ff239450fa7663d97b40c5fc0378
[INFO] running `Command { std: "docker" "start" "-a" "0d2c3f3a728f7216a858a89ac1ebbb1d6f05ff239450fa7663d97b40c5fc0378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d2c3f3a728f7216a858a89ac1ebbb1d6f05ff239450fa7663d97b40c5fc0378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2c3f3a728f7216a858a89ac1ebbb1d6f05ff239450fa7663d97b40c5fc0378", kill_on_drop: false }`
[INFO] [stdout] 0d2c3f3a728f7216a858a89ac1ebbb1d6f05ff239450fa7663d97b40c5fc0378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d76abd4f4cd21947968d551302d1596649f6f900695bf185489ae6966fc9d7a
[INFO] running `Command { std: "docker" "start" "-a" "7d76abd4f4cd21947968d551302d1596649f6f900695bf185489ae6966fc9d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling compio-driver v0.6.1
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking compio-buf v0.5.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[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-0.6.1/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-0.6.1/src/poll/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compio-driver` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d76abd4f4cd21947968d551302d1596649f6f900695bf185489ae6966fc9d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d76abd4f4cd21947968d551302d1596649f6f900695bf185489ae6966fc9d7a", kill_on_drop: false }`
[INFO] [stdout] 7d76abd4f4cd21947968d551302d1596649f6f900695bf185489ae6966fc9d7a
