[INFO] fetching crate discv5 0.1.0-beta.2...
[INFO] checking discv5-0.1.0-beta.2 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate discv5 0.1.0-beta.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate discv5 0.1.0-beta.2 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discv5 0.1.0-beta.2
[INFO] finished tweaking crates.io crate discv5 0.1.0-beta.2
[INFO] tweaked toml for crates.io crate discv5 0.1.0-beta.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate discv5 0.1.0-beta.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aes-ctr v0.6.0
[INFO] [stderr]   Downloaded enr v0.4.0
[INFO] [stderr]   Downloaded libp2p-core v0.23.1
[INFO] [stderr]   Downloaded aes-soft v0.6.2
[INFO] [stderr]   Downloaded multistream-select v0.8.4
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.3
[INFO] [stderr]   Downloaded cipher v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 494f58216822fa2522d42dfcd05087b9e46dad73ee7186f4a15d53d97721d50c
[INFO] running `Command { std: "docker" "start" "-a" "494f58216822fa2522d42dfcd05087b9e46dad73ee7186f4a15d53d97721d50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "494f58216822fa2522d42dfcd05087b9e46dad73ee7186f4a15d53d97721d50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494f58216822fa2522d42dfcd05087b9e46dad73ee7186f4a15d53d97721d50c", kill_on_drop: false }`
[INFO] [stdout] 494f58216822fa2522d42dfcd05087b9e46dad73ee7186f4a15d53d97721d50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e75e09e0a3e0b35f9b49c7d15ff14e8e46e4e08345a21fa43abbfba6b7ac52c5
[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" "e75e09e0a3e0b35f9b49c7d15ff14e8e46e4e08345a21fa43abbfba6b7ac52c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking const-oid v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking lru_time_cache v0.11.2
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking polyval v0.4.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking aes-soft v0.6.2
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[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 aes-gcm v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking tokio v0.3.2
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking ecdsa v0.8.5
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking k256 v0.5.10
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking tokio-util v0.5.0
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking enr v0.4.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.14
[INFO] [stderr]     Checking discv5 v0.1.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "e75e09e0a3e0b35f9b49c7d15ff14e8e46e4e08345a21fa43abbfba6b7ac52c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75e09e0a3e0b35f9b49c7d15ff14e8e46e4e08345a21fa43abbfba6b7ac52c5", kill_on_drop: false }`
[INFO] [stdout] e75e09e0a3e0b35f9b49c7d15ff14e8e46e4e08345a21fa43abbfba6b7ac52c5