[INFO] fetching crate libp2p-mplex 0.19.0...
[INFO] checking libp2p-mplex-0.19.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate libp2p-mplex 0.19.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libp2p-mplex 0.19.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libp2p-mplex 0.19.0
[INFO] finished tweaking crates.io crate libp2p-mplex 0.19.0
[INFO] tweaked toml for crates.io crate libp2p-mplex 0.19.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8a9bb7a9f935544670247b73d069da60078e681fff5c91b3d6154a9c666d0fb
[INFO] running `"docker" "start" "-a" "f8a9bb7a9f935544670247b73d069da60078e681fff5c91b3d6154a9c666d0fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling libp2p-core v0.19.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]     Checking multistream-select v0.8.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.0
[INFO] [stderr]     Checking libp2p-tcp v0.19.0
[INFO] [stderr]     Checking libp2p-mplex v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `libp2p_tcp::TcpConfig`
[INFO] [stderr]   --> tests/two_peers.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use libp2p_tcp::TcpConfig;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ no `TcpConfig` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `libp2p_tcp::TcpConfig`
[INFO] [stderr]   --> tests/async_write.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use libp2p_tcp::TcpConfig;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ no `TcpConfig` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Transport`
[INFO] [stderr]   --> tests/async_write.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 | use libp2p_core::{muxing, upgrade, Transport};
[INFO] [stderr]    |                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Transport`
[INFO] [stderr]   --> tests/two_peers.rs:21:36
[INFO] [stderr]    |
[INFO] [stderr] 21 | use libp2p_core::{muxing, upgrade, Transport};
[INFO] [stderr]    |                                    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[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: could not compile `libp2p-mplex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f8a9bb7a9f935544670247b73d069da60078e681fff5c91b3d6154a9c666d0fb"`
[INFO] running `"docker" "rm" "-f" "f8a9bb7a9f935544670247b73d069da60078e681fff5c91b3d6154a9c666d0fb"`
[INFO] [stdout] f8a9bb7a9f935544670247b73d069da60078e681fff5c91b3d6154a9c666d0fb