[INFO] cloning repository https://github.com/car-layers/p2p-link
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/car-layers/p2p-link" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcar-layers%2Fp2p-link"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcar-layers%2Fp2p-link'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 944c63599395db153385fd3f831409295c881bb0
[INFO] checking car-layers/p2p-link against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcar-layers%2Fp2p-link" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/car-layers/p2p-link on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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] 1d233f0d3ee156aaf331c1899c76c6bebdbdd89e47d15bc6019a42550b81082d
[INFO] running `"docker" "start" "-a" "1d233f0d3ee156aaf331c1899c76c6bebdbdd89e47d15bc6019a42550b81082d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking salsa20 v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.62
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.10
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[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 wasm-bindgen-macro-support v0.2.62
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.62
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking wasm-bindgen v0.2.62
[INFO] [stderr]     Checking pin-project v0.4.10
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking js-sys v0.3.39
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking yamux v0.4.5
[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]     Checking libp2p-pnet v0.16.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking parity-multihash v0.2.3
[INFO] [stderr]     Checking multistream-select v0.7.0
[INFO] [stderr]    Compiling libp2p-core v0.16.0
[INFO] [stderr]    Compiling libp2p-noise v0.16.2
[INFO] [stderr]    Compiling libp2p-identify v0.16.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.16.0
[INFO] [stderr]    Compiling libp2p-secio v0.16.1
[INFO] [stderr]    Compiling libp2p-kad v0.16.2
[INFO] [stderr]    Compiling libp2p-gossipsub v0.16.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.16.0
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.12
[INFO] [stderr]     Checking parity-multiaddr v0.7.3
[INFO] [stderr]     Checking libp2p-swarm v0.16.1
[INFO] [stderr]     Checking libp2p-deflate v0.16.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.16.2
[INFO] [stderr]     Checking libp2p-mplex v0.16.0
[INFO] [stderr]     Checking libp2p-yamux v0.16.2
[INFO] [stderr]     Checking libp2p-uds v0.16.0
[INFO] [stderr]     Checking libp2p-dns v0.16.0
[INFO] [stderr]     Checking libp2p-websocket v0.16.0
[INFO] [stderr]     Checking libp2p-tcp v0.16.0
[INFO] [stderr]     Checking libp2p-ping v0.16.0
[INFO] [stderr]     Checking libp2p-mdns v0.16.0
[INFO] [stderr]     Checking libp2p v0.16.2
[INFO] [stderr]     Checking 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_cx`
[INFO] [stderr] 
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_cx`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 16s
[INFO] running `"docker" "inspect" "1d233f0d3ee156aaf331c1899c76c6bebdbdd89e47d15bc6019a42550b81082d"`
[INFO] running `"docker" "rm" "-f" "1d233f0d3ee156aaf331c1899c76c6bebdbdd89e47d15bc6019a42550b81082d"`
[INFO] [stdout] 1d233f0d3ee156aaf331c1899c76c6bebdbdd89e47d15bc6019a42550b81082d