[INFO] fetching crate compio-io 0.1.0-beta.1...
[INFO] checking compio-io-0.1.0-beta.1 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate compio-io 0.1.0-beta.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate compio-io 0.1.0-beta.1 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.9
[INFO] [stderr]   Downloaded compio-buf v0.2.0-beta.1
[INFO] [stderr]   Downloaded compio-log v0.1.0-beta.1
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded os_pipe v1.1.4
[INFO] [stderr]   Downloaded widestring v1.0.2
[INFO] [stderr]   Downloaded compio-runtime v0.2.0-beta.3
[INFO] [stderr]   Downloaded compio-driver v0.2.0-beta.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e865ec5ba0944a4795e290b7c1c5136a8e992aa5da7d641db2461a551b2acd
[INFO] running `Command { std: "docker" "start" "-a" "b9e865ec5ba0944a4795e290b7c1c5136a8e992aa5da7d641db2461a551b2acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e865ec5ba0944a4795e290b7c1c5136a8e992aa5da7d641db2461a551b2acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e865ec5ba0944a4795e290b7c1c5136a8e992aa5da7d641db2461a551b2acd", kill_on_drop: false }`
[INFO] [stdout] b9e865ec5ba0944a4795e290b7c1c5136a8e992aa5da7d641db2461a551b2acd
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118adfa801ef906c65ec8410920cfc74fff655bb020ab052e950873c481f4255
[INFO] running `Command { std: "docker" "start" "-a" "118adfa801ef906c65ec8410920cfc74fff655bb020ab052e950873c481f4255", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking compio-buf v0.2.0-beta.1
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking async-task v4.6.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking compio-log v0.1.0-beta.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking crossbeam-queue v0.3.9
[INFO] [stderr]     Checking compio-io v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking compio-driver v0.2.0-beta.3
[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-0.2.0-beta.3/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-0.2.0-beta.3/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, 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-0.2.0-beta.3/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: aborting due to 3 previous errors
[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 4 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" "118adfa801ef906c65ec8410920cfc74fff655bb020ab052e950873c481f4255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118adfa801ef906c65ec8410920cfc74fff655bb020ab052e950873c481f4255", kill_on_drop: false }`
[INFO] [stdout] 118adfa801ef906c65ec8410920cfc74fff655bb020ab052e950873c481f4255
[INFO] checking compio-io-0.1.0-beta.1 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate compio-io 0.1.0-beta.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate compio-io 0.1.0-beta.1 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07ac311347c13c79afb65ac92728fc518823ac013260be9e884c986cad99246f
[INFO] running `Command { std: "docker" "start" "-a" "07ac311347c13c79afb65ac92728fc518823ac013260be9e884c986cad99246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ac311347c13c79afb65ac92728fc518823ac013260be9e884c986cad99246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ac311347c13c79afb65ac92728fc518823ac013260be9e884c986cad99246f", kill_on_drop: false }`
[INFO] [stdout] 07ac311347c13c79afb65ac92728fc518823ac013260be9e884c986cad99246f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2594739fb7ea71f276ded7897eb35aa4ce3d94405064a9dc50ad527a1e87fb8
[INFO] running `Command { std: "docker" "start" "-a" "e2594739fb7ea71f276ded7897eb35aa4ce3d94405064a9dc50ad527a1e87fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking compio-buf v0.2.0-beta.1
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking async-task v4.6.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking compio-log v0.1.0-beta.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking crossbeam-queue v0.3.9
[INFO] [stderr]     Checking compio-io v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking compio-driver v0.2.0-beta.3
[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-0.2.0-beta.3/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-0.2.0-beta.3/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, 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-0.2.0-beta.3/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: aborting due to 3 previous errors
[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 4 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" "e2594739fb7ea71f276ded7897eb35aa4ce3d94405064a9dc50ad527a1e87fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2594739fb7ea71f276ded7897eb35aa4ce3d94405064a9dc50ad527a1e87fb8", kill_on_drop: false }`
[INFO] [stdout] e2594739fb7ea71f276ded7897eb35aa4ce3d94405064a9dc50ad527a1e87fb8
