[INFO] fetching crate libp2p-mplex 0.23.0...
[INFO] checking libp2p-mplex-0.23.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate libp2p-mplex 0.23.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libp2p-mplex 0.23.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-mplex 0.23.0
[INFO] finished tweaking crates.io crate libp2p-mplex 0.23.0
[INFO] tweaked toml for crates.io crate libp2p-mplex 0.23.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20f35a943c34ff872f2c12f6905c1e83fe508c1a6559c96d99bc9728fccd608f
[INFO] running `Command { std: "docker" "start" "-a" "20f35a943c34ff872f2c12f6905c1e83fe508c1a6559c96d99bc9728fccd608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20f35a943c34ff872f2c12f6905c1e83fe508c1a6559c96d99bc9728fccd608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f35a943c34ff872f2c12f6905c1e83fe508c1a6559c96d99bc9728fccd608f", kill_on_drop: false }`
[INFO] [stdout] 20f35a943c34ff872f2c12f6905c1e83fe508c1a6559c96d99bc9728fccd608f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6037217ca68e7457ba7aee1c55d039a93cb4be0e28b6f6cdcc1f63e9a2952262
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6037217ca68e7457ba7aee1c55d039a93cb4be0e28b6f6cdcc1f63e9a2952262", kill_on_drop: false }`
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking multistream-select v0.8.4
[INFO] [stderr]     Checking parity-multiaddr v0.9.3
[INFO] [stderr]     Checking libp2p-core v0.23.1
[INFO] [stderr]     Checking libp2p-mplex v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libp2p_tcp`
[INFO] [stdout]   --> tests/two_peers.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use libp2p_tcp::TcpConfig;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_tcp`
[INFO] [stdout]   --> tests/async_write.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use libp2p_tcp::TcpConfig;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `Arc<_>` in the current scope
[INFO] [stdout]   --> tests/two_peers.rs:70:69
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if let Some(s) = muxing::event_from_ref_and_wrap(client.clone()).await.unwrap()
[INFO] [stdout]    |                                                                     ^^^^^ method not found in `Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `client` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `Arc<_>` in the current scope
[INFO] [stdout]   --> tests/async_write.rs:70:69
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if let Some(s) = muxing::event_from_ref_and_wrap(client.clone()).await.unwrap()
[INFO] [stdout]    |                                                                     ^^^^^ method not found in `Arc<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `client` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clone` found for struct `Arc<_>` in the current scope
[INFO] [stdout]    --> tests/two_peers.rs:113:69
[INFO] [stdout]     |
[INFO] [stdout] 113 |             if let Some(s) = muxing::event_from_ref_and_wrap(client.clone()).await.unwrap()
[INFO] [stdout]     |                                                                     ^^^^^ method not found in `Arc<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `client` is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]   --> tests/two_peers.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libp2p_core::{muxing, upgrade, Transport};
[INFO] [stdout]    |                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]   --> tests/async_write.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 | use libp2p_core::{muxing, upgrade, Transport};
[INFO] [stdout]    |                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-mplex`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6037217ca68e7457ba7aee1c55d039a93cb4be0e28b6f6cdcc1f63e9a2952262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6037217ca68e7457ba7aee1c55d039a93cb4be0e28b6f6cdcc1f63e9a2952262", kill_on_drop: false }`
[INFO] [stdout] 6037217ca68e7457ba7aee1c55d039a93cb4be0e28b6f6cdcc1f63e9a2952262