[INFO] updating cached repository https://github.com/jkcomment/rust-libp2p-chat-sample
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13c611665d91ba43b52715d154a6802f836fef59
[INFO] checking jkcomment/rust-libp2p-chat-sample against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcomment%2Frust-libp2p-chat-sample" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcomment/rust-libp2p-chat-sample on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jkcomment/rust-libp2p-chat-sample
[INFO] finished tweaking git repo https://github.com/jkcomment/rust-libp2p-chat-sample
[INFO] tweaked toml for git repo https://github.com/jkcomment/rust-libp2p-chat-sample written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcomment/rust-libp2p-chat-sample already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] bddf16fe1627d4063d4287930501467843c34a2bed94adf3e3c8b13e966c2b78
[INFO] running `"docker" "start" "-a" "bddf16fe1627d4063d4287930501467843c34a2bed94adf3e3c8b13e966c2b78"`
[INFO] [stderr]    Compiling byteorder v1.3.1
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[INFO] [stderr]     Checking websocket v0.22.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.6.0
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[INFO] [stderr]     Checking libp2p-kad v0.6.0
[INFO] [stderr]     Checking libp2p v0.6.0
[INFO] [stderr]     Checking libp2p-chat-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `"docker" "inspect" "bddf16fe1627d4063d4287930501467843c34a2bed94adf3e3c8b13e966c2b78"`
[INFO] running `"docker" "rm" "-f" "bddf16fe1627d4063d4287930501467843c34a2bed94adf3e3c8b13e966c2b78"`
[INFO] [stdout] bddf16fe1627d4063d4287930501467843c34a2bed94adf3e3c8b13e966c2b78