[INFO] fetching crate libp2prs-runtime 0.3.0...
[INFO] checking libp2prs-runtime-0.3.0 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate libp2prs-runtime 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate libp2prs-runtime 0.3.0 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "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-2-tc2/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" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0dd05568d2f49d3a2fd9bd38b898d5945835c1c1d8b80fdaf24fcaabe24e73
[INFO] running `Command { std: "docker" "start" "-a" "8a0dd05568d2f49d3a2fd9bd38b898d5945835c1c1d8b80fdaf24fcaabe24e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0dd05568d2f49d3a2fd9bd38b898d5945835c1c1d8b80fdaf24fcaabe24e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0dd05568d2f49d3a2fd9bd38b898d5945835c1c1d8b80fdaf24fcaabe24e73", kill_on_drop: false }`
[INFO] [stdout] 8a0dd05568d2f49d3a2fd9bd38b898d5945835c1c1d8b80fdaf24fcaabe24e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57f0a3a80a35f2be4749b2a35c24fbbf3d548a799abb59ffbdc72a979edb791c
[INFO] running `Command { std: "docker" "start" "-a" "57f0a3a80a35f2be4749b2a35c24fbbf3d548a799abb59ffbdc72a979edb791c", 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 futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[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 libp2prs_runtime::task;
[INFO] [stdout] 1  + use std::task;
[INFO] [stdout]    |
[INFO] [stdout] 1  - use libp2prs_runtime::task;
[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" "57f0a3a80a35f2be4749b2a35c24fbbf3d548a799abb59ffbdc72a979edb791c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f0a3a80a35f2be4749b2a35c24fbbf3d548a799abb59ffbdc72a979edb791c", kill_on_drop: false }`
[INFO] [stdout] 57f0a3a80a35f2be4749b2a35c24fbbf3d548a799abb59ffbdc72a979edb791c