[INFO] fetching crate discv5 0.1.0-beta.3...
[INFO] checking discv5-0.1.0-beta.3 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate discv5 0.1.0-beta.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate discv5 0.1.0-beta.3 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discv5 0.1.0-beta.3
[INFO] finished tweaking crates.io crate discv5 0.1.0-beta.3
[INFO] tweaked toml for crates.io crate discv5 0.1.0-beta.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate discv5 0.1.0-beta.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-oid v0.4.1
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] [stderr]   Downloaded elliptic-curve v0.8.4
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded unsigned-varint v0.6.0
[INFO] [stderr]   Downloaded k256 v0.7.2
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
[INFO] [stderr]   Downloaded lru_time_cache v0.11.5
[INFO] [stderr]   Downloaded libp2p-core v0.27.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", 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] e3b1fa9d0de69f2535ab2073b6766f11484e16f0a55ee26d0e4d37c43576edc4
[INFO] running `Command { std: "docker" "start" "-a" "e3b1fa9d0de69f2535ab2073b6766f11484e16f0a55ee26d0e4d37c43576edc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b1fa9d0de69f2535ab2073b6766f11484e16f0a55ee26d0e4d37c43576edc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b1fa9d0de69f2535ab2073b6766f11484e16f0a55ee26d0e4d37c43576edc4", kill_on_drop: false }`
[INFO] [stdout] e3b1fa9d0de69f2535ab2073b6766f11484e16f0a55ee26d0e4d37c43576edc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d6f418ca68bf0eafb32a57a9874ef28f2891beb91e190fac16c309c3c264d7
[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" "74d6f418ca68bf0eafb32a57a9874ef28f2891beb91e190fac16c309c3c264d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking const-oid v0.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking lru_time_cache v0.11.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking der v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking pkcs8 v0.3.3
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking elliptic-curve v0.8.4
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking ecdsa v0.10.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking k256 v0.7.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking enr v0.5.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking discv5 v0.1.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.15s
[INFO] running `Command { std: "docker" "inspect" "74d6f418ca68bf0eafb32a57a9874ef28f2891beb91e190fac16c309c3c264d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d6f418ca68bf0eafb32a57a9874ef28f2891beb91e190fac16c309c3c264d7", kill_on_drop: false }`
[INFO] [stdout] 74d6f418ca68bf0eafb32a57a9874ef28f2891beb91e190fac16c309c3c264d7