[INFO] cloning repository https://github.com/mehuloswal/Libp2p-Tut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehuloswal/Libp2p-Tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehuloswal%2FLibp2p-Tut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehuloswal%2FLibp2p-Tut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1ef96f709259021244c88bdb1f2e6b5757ed710
[INFO] documenting mehuloswal/Libp2p-Tut against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehuloswal%2FLibp2p-Tut" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehuloswal/Libp2p-Tut on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mehuloswal/Libp2p-Tut
[INFO] finished tweaking git repo https://github.com/mehuloswal/Libp2p-Tut
[INFO] tweaked toml for git repo https://github.com/mehuloswal/Libp2p-Tut written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mehuloswal/Libp2p-Tut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ac92ac15ff1d665de864bd394de6a9cf74de2445aeb3d8393543ccce7ca5afb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ac92ac15ff1d665de864bd394de6a9cf74de2445aeb3d8393543ccce7ca5afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac92ac15ff1d665de864bd394de6a9cf74de2445aeb3d8393543ccce7ca5afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac92ac15ff1d665de864bd394de6a9cf74de2445aeb3d8393543ccce7ca5afb", kill_on_drop: false }`
[INFO] [stdout] 8ac92ac15ff1d665de864bd394de6a9cf74de2445aeb3d8393543ccce7ca5afb
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 218af0c849ce667e4dd552402f343c6616855068cafc7b5e655b05936b12a13c
[INFO] running `Command { std: "docker" "start" "-a" "218af0c849ce667e4dd552402f343c6616855068cafc7b5e655b05936b12a13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking asn1_der v0.7.5
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking dtoa v1.0.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]     Checking ed25519 v1.4.1
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking uint v0.9.3
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking salsa20 v0.9.0
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]     Checking hmac-drbg v0.3.0
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.9.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling snow v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0
[INFO] [stderr]     Checking lru v0.7.3
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling prometheus-client-derive-text-encode v0.2.0
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.27.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking prometheus-client v0.15.1
[INFO] [stderr]     Checking wasm-bindgen v0.2.79
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking async-global-executor v2.0.3
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking async-std v1.11.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]     Checking pin-project v0.4.29
[INFO] [stderr]     Checking netlink-packet-utils v0.5.1
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]    Compiling multihash-derive v0.8.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]     Checking netlink-packet-route v0.11.0
[INFO] [stderr]     Checking futures-rustls v0.22.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.29
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking asynchronous-codec v0.6.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking netlink-sys v0.8.2
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking soketto v0.7.1
[INFO] [stderr]     Checking yamux v0.10.1
[INFO] [stderr]     Checking libp2p-pnet v0.22.0
[INFO] [stderr]     Checking multihash v0.16.1
[INFO] [stderr]     Checking multistream-select v0.11.0
[INFO] [stderr]    Compiling libp2p-core v0.32.0
[INFO] [stderr]    Compiling libp2p-identify v0.34.0
[INFO] [stderr]    Compiling libp2p-relay v0.7.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.36.0
[INFO] [stderr]    Compiling libp2p-kad v0.35.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.32.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.34.0
[INFO] [stderr]    Compiling libp2p-noise v0.35.0
[INFO] [stderr]    Compiling libp2p-autonat v0.2.0
[INFO] [stderr]    Compiling libp2p-rendezvous v0.4.0
[INFO] [stderr]     Checking netlink-proto v0.9.2
[INFO] [stderr]     Checking rtnetlink v0.9.1
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=034a9614b57efcf8 -C extra-filename=-034a9614b57efcf8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f038b22c3957501f.so --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libp2p-rendezvous`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2021 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libp2p-rendezvous-0.4.0/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=a69020e34e5992d5 -C extra-filename=-a69020e34e5992d5 --out-dir /opt/rustwide/target/debug/build/libp2p-rendezvous-a69020e34e5992d5 -L dependency=/opt/rustwide/target/debug/deps --extern prost_build=/opt/rustwide/target/debug/deps/libprost_build-56959a1ce35e6c85.rlib --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "218af0c849ce667e4dd552402f343c6616855068cafc7b5e655b05936b12a13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218af0c849ce667e4dd552402f343c6616855068cafc7b5e655b05936b12a13c", kill_on_drop: false }`
[INFO] [stdout] 218af0c849ce667e4dd552402f343c6616855068cafc7b5e655b05936b12a13c