[INFO] fetching crate libp2p 0.12.0...
[INFO] checking libp2p-0.12.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate libp2p 0.12.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libp2p 0.12.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libp2p 0.12.0
[INFO] finished tweaking crates.io crate libp2p 0.12.0
[INFO] tweaked toml for crates.io crate libp2p 0.12.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] b12d2b9531e9c973165a26c47fc339324a8eb93c07675d4e163a15cfb1bd0efd
[INFO] running `"docker" "start" "-a" "b12d2b9531e9c973165a26c47fc339324a8eb93c07675d4e163a15cfb1bd0efd"`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking nohash-hasher v0.1.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.51
[INFO] [stderr]    Compiling libp2p-core-derive v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking tokio-stdin-stdout v0.1.5
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]     Checking aio-limited v0.1.1
[INFO] [stderr]     Checking yamux v0.2.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking uint v0.8.1
[INFO] [stderr]     Checking parity-multihash v0.1.3
[INFO] [stderr]     Checking multistream-select v0.5.1
[INFO] [stderr]     Checking parity-multiaddr v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking libp2p-core v0.12.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking soketto v0.2.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.51
[INFO] [stderr]     Checking tokio-rustls v0.10.0-alpha.4
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking libp2p-swarm v0.2.0
[INFO] [stderr]     Checking libp2p-uds v0.12.0
[INFO] [stderr]     Checking libp2p-dns v0.12.0
[INFO] [stderr]     Checking libp2p-mplex v0.12.0
[INFO] [stderr]     Checking libp2p-yamux v0.12.0
[INFO] [stderr]     Checking libp2p-websocket v0.12.0
[INFO] [stderr]     Checking libp2p-tcp v0.12.0
[INFO] [stderr]     Checking libp2p-secio v0.12.0
[INFO] [stderr]     Checking libp2p-plaintext v0.12.0
[INFO] [stderr]     Checking libp2p-ratelimit v0.12.0
[INFO] [stderr]     Checking libp2p-noise v0.10.0
[INFO] [stderr]     Checking libp2p-deflate v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.51
[INFO] [stderr]     Checking libp2p-ping v0.12.0
[INFO] [stderr]     Checking libp2p-identify v0.12.0
[INFO] [stderr]     Checking libp2p-kad v0.12.0
[INFO] [stderr]     Checking libp2p-floodsub v0.12.0
[INFO] [stderr]     Checking libp2p-mdns v0.12.0
[INFO] [stderr]     Checking wasm-bindgen v0.2.51
[INFO] [stderr]     Checking js-sys v0.3.28
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking libp2p-wasm-ext v0.5.0
[INFO] [stderr]     Checking libp2p v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "b12d2b9531e9c973165a26c47fc339324a8eb93c07675d4e163a15cfb1bd0efd"`
[INFO] running `"docker" "rm" "-f" "b12d2b9531e9c973165a26c47fc339324a8eb93c07675d4e163a15cfb1bd0efd"`
[INFO] [stdout] b12d2b9531e9c973165a26c47fc339324a8eb93c07675d4e163a15cfb1bd0efd