[INFO] fetching crate compio-runtime 0.8.0...
[INFO] checking compio-runtime-0.8.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate compio-runtime 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate compio-runtime 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate compio-runtime 0.8.0
[INFO] tweaked toml for crates.io crate compio-runtime 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compio-runtime 0.8.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compio-runtime 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67f5dc059e5f6b24bd06cc855d230c4cd8d67a6a0fa96bc524c3e18a72e7533b
[INFO] running `Command { std: "docker" "start" "-a" "67f5dc059e5f6b24bd06cc855d230c4cd8d67a6a0fa96bc524c3e18a72e7533b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f5dc059e5f6b24bd06cc855d230c4cd8d67a6a0fa96bc524c3e18a72e7533b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f5dc059e5f6b24bd06cc855d230c4cd8d67a6a0fa96bc524c3e18a72e7533b", kill_on_drop: false }`
[INFO] [stdout] 67f5dc059e5f6b24bd06cc855d230c4cd8d67a6a0fa96bc524c3e18a72e7533b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1090893f68d48bb9c0b5b227a0c821c4fcf230f02dc25c16ae9a0d33327c58d
[INFO] running `Command { std: "docker" "start" "-a" "d1090893f68d48bb9c0b5b227a0c821c4fcf230f02dc25c16ae9a0d33327c58d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling compio-driver v0.8.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking compio-buf v0.6.0
[INFO] [stderr]     Checking socket2 v0.5.10
[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-1949cf8c6b5b557f/compio-driver-0.8.0/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-1949cf8c6b5b557f/compio-driver-0.8.0/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `polling`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `polling`, use `cargo add polling` to add it to your `Cargo.toml`
[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" "d1090893f68d48bb9c0b5b227a0c821c4fcf230f02dc25c16ae9a0d33327c58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1090893f68d48bb9c0b5b227a0c821c4fcf230f02dc25c16ae9a0d33327c58d", kill_on_drop: false }`
[INFO] [stdout] d1090893f68d48bb9c0b5b227a0c821c4fcf230f02dc25c16ae9a0d33327c58d