[INFO] fetching crate compio-fs 0.8.0...
[INFO] testing compio-fs-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate compio-fs 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate compio-fs 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate compio-fs 0.8.0
[INFO] tweaked toml for crates.io crate compio-fs 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compio-fs 0.8.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compio-fs 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d675ee5b00601100dfb6a8bc4d8bba4f8cebbdb2f7cf6c28de159e9395c99c5
[INFO] running `Command { std: "docker" "start" "-a" "7d675ee5b00601100dfb6a8bc4d8bba4f8cebbdb2f7cf6c28de159e9395c99c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d675ee5b00601100dfb6a8bc4d8bba4f8cebbdb2f7cf6c28de159e9395c99c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d675ee5b00601100dfb6a8bc4d8bba4f8cebbdb2f7cf6c28de159e9395c99c5", kill_on_drop: false }`
[INFO] [stdout] 7d675ee5b00601100dfb6a8bc4d8bba4f8cebbdb2f7cf6c28de159e9395c99c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5667501795fcb8aca3086b4075b2aee4c70be30235b5856916d6bc1f85b97ac3
[INFO] running `Command { std: "docker" "start" "-a" "5667501795fcb8aca3086b4075b2aee4c70be30235b5856916d6bc1f85b97ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling compio-driver v0.8.0
[INFO] [stderr]    Compiling compio-fs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling compio-buf v0.6.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling compio-log v0.1.0
[INFO] [stderr]    Compiling compio-io v0.7.0
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5667501795fcb8aca3086b4075b2aee4c70be30235b5856916d6bc1f85b97ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5667501795fcb8aca3086b4075b2aee4c70be30235b5856916d6bc1f85b97ac3", kill_on_drop: false }`
[INFO] [stdout] 5667501795fcb8aca3086b4075b2aee4c70be30235b5856916d6bc1f85b97ac3