[INFO] updating cached repository https://github.com/car-layers/p2p-link
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/car-layers/p2p-link
[INFO] [stderr]    17b0e13..e765739  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e76573936e09bd6014ff87b58c8320d122b99451
[INFO] testing car-layers/p2p-link against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcar-layers%2Fp2p-link" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/car-layers/p2p-link on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/car-layers/p2p-link
[INFO] finished tweaking git repo https://github.com/car-layers/p2p-link
[INFO] tweaked toml for git repo https://github.com/car-layers/p2p-link written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90da86d9d6b6885cb157d3ec354b091b705fd2e89c29e9d54877cb2e9534523e
[INFO] running `"docker" "start" "-a" "90da86d9d6b6885cb157d3ec354b091b705fd2e89c29e9d54877cb2e9534523e"`
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[INFO] [stderr]    Compiling blake2 v0.8.1
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling salsa20-core v0.2.3
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[INFO] [stderr]    Compiling hmac-drbg v0.2.0
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[INFO] [stderr]    Compiling webpki-roots v0.18.0
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[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling lru v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
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[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.16.0
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling x25519-dalek v0.6.0
[INFO] [stderr]    Compiling js-sys v0.3.37
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling futures_codec v0.3.4
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.4
[INFO] [stderr]    Compiling async-tls v0.6.0
[INFO] [stderr]    Compiling soketto v0.3.2
[INFO] [stderr]    Compiling yamux v0.4.5
[INFO] [stderr]    Compiling libp2p-pnet v0.16.0
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling parity-multihash v0.2.3
[INFO] [stderr]    Compiling multistream-select v0.7.0
[INFO] [stderr]    Compiling parity-multiaddr v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.10
[INFO] [stderr]    Compiling libp2p-core v0.16.0
[INFO] [stderr]    Compiling libp2p-identify v0.16.0
[INFO] [stderr]    Compiling libp2p-secio v0.16.1
[INFO] [stderr]    Compiling libp2p-gossipsub v0.16.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.16.0
[INFO] [stderr]    Compiling libp2p-kad v0.16.2
[INFO] [stderr]    Compiling libp2p-floodsub v0.16.0
[INFO] [stderr]    Compiling libp2p-noise v0.16.2
[INFO] [stderr]    Compiling libp2p-swarm v0.16.1
[INFO] [stderr]    Compiling libp2p-websocket v0.16.0
[INFO] [stderr]    Compiling libp2p-deflate v0.16.0
[INFO] [stderr]    Compiling libp2p-tcp v0.16.0
[INFO] [stderr]    Compiling libp2p-uds v0.16.0
[INFO] [stderr]    Compiling libp2p-mplex v0.16.0
[INFO] [stderr]    Compiling libp2p-yamux v0.16.2
[INFO] [stderr]    Compiling libp2p-dns v0.16.0
[INFO] [stderr]    Compiling libp2p-wasm-ext v0.16.2
[INFO] [stderr]    Compiling libp2p-mdns v0.16.0
[INFO] [stderr]    Compiling libp2p-ping v0.16.0
[INFO] [stderr]    Compiling libp2p v0.16.2
[INFO] [stderr]    Compiling peer-piper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cx`
[INFO] [stderr]   --> src/lib.rs:36:41
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn poll_write(self: Pin<&mut Self>, cx: &mut Context, buf: &[u8]) -> Poll<io::Result<usize>> {
[INFO] [stderr]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/lib.rs:36:59
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn poll_write(self: Pin<&mut Self>, cx: &mut Context, buf: &[u8]) -> Poll<io::Result<usize>> {
[INFO] [stderr]    |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cx`
[INFO] [stderr]   --> src/lib.rs:40:41
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn poll_flush(self: Pin<&mut Self>, cx: &mut Context) -> Poll<io::Result<()>> {
[INFO] [stderr]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cx`
[INFO] [stderr]   --> src/lib.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn poll_close(self: Pin<&mut Self>, cx: &mut Context) -> Poll<io::Result<()>> {
[INFO] [stderr]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `peer_link`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use peer_link::PeerPipe;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `peer_link`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `peer-piper`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "90da86d9d6b6885cb157d3ec354b091b705fd2e89c29e9d54877cb2e9534523e"`
[INFO] running `"docker" "rm" "-f" "90da86d9d6b6885cb157d3ec354b091b705fd2e89c29e9d54877cb2e9534523e"`
[INFO] [stdout] 90da86d9d6b6885cb157d3ec354b091b705fd2e89c29e9d54877cb2e9534523e