[INFO] fetching crate libp2prs-runtime 0.3.0...
[INFO] checking libp2prs-runtime-0.3.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate libp2prs-runtime 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate libp2prs-runtime 0.3.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2prs-runtime 0.3.0
[INFO] finished tweaking crates.io crate libp2prs-runtime 0.3.0
[INFO] tweaked toml for crates.io crate libp2prs-runtime 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate libp2prs-runtime 0.3.0 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" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e1be4b9b9a6e49122c422a5f2fb4d178df923389a77b7a92360b0cc4bb3e9c1
[INFO] running `Command { std: "docker" "start" "-a" "2e1be4b9b9a6e49122c422a5f2fb4d178df923389a77b7a92360b0cc4bb3e9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e1be4b9b9a6e49122c422a5f2fb4d178df923389a77b7a92360b0cc4bb3e9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1be4b9b9a6e49122c422a5f2fb4d178df923389a77b7a92360b0cc4bb3e9c1", kill_on_drop: false }`
[INFO] [stdout] 2e1be4b9b9a6e49122c422a5f2fb4d178df923389a77b7a92360b0cc4bb3e9c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ffe971aaa2ad08c100d7583dcd308d9910b6adca36eab233a741ff765ce8a88
[INFO] running `Command { std: "docker" "start" "-a" "3ffe971aaa2ad08c100d7583dcd308d9910b6adca36eab233a741ff765ce8a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking slab v0.4.3
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[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking libp2prs-runtime v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libp2prs_runtime::task`
[INFO] [stdout]   --> examples/task_simple.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libp2prs_runtime::task;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ no `task` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub use self::async_std::{task, net};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] note: the item is gated behind the `async-std` feature
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | / cfg_async_std! {
[INFO] [stdout] 40 | |     mod async_std;
[INFO] [stdout] 41 | |     pub use self::async_std::{task, net};
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    = note: this error originates in the macro `cfg_async_std` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing one of these modules instead
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task;
[INFO] [stdout]    |     ~~~~~~~~~
[INFO] [stdout] 1  | use futures::task;
[INFO] [stdout]    |     ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2prs-runtime` (example "task_simple") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3ffe971aaa2ad08c100d7583dcd308d9910b6adca36eab233a741ff765ce8a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffe971aaa2ad08c100d7583dcd308d9910b6adca36eab233a741ff765ce8a88", kill_on_drop: false }`
[INFO] [stdout] 3ffe971aaa2ad08c100d7583dcd308d9910b6adca36eab233a741ff765ce8a88