[INFO] fetching crate discv5 0.1.0-beta.1...
[INFO] checking discv5-0.1.0-beta.1 against beta for pr-78714
[INFO] extracting crate discv5 0.1.0-beta.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate discv5 0.1.0-beta.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discv5 0.1.0-beta.1
[INFO] finished tweaking crates.io crate discv5 0.1.0-beta.1
[INFO] tweaked toml for crates.io crate discv5 0.1.0-beta.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate discv5 0.1.0-beta.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec95cc1b381b562ea61e103d2cb23749899c9bf8685b4ef5bc67aac6bd1ed8c0
[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" "ec95cc1b381b562ea61e103d2cb23749899c9bf8685b4ef5bc67aac6bd1ed8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec95cc1b381b562ea61e103d2cb23749899c9bf8685b4ef5bc67aac6bd1ed8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec95cc1b381b562ea61e103d2cb23749899c9bf8685b4ef5bc67aac6bd1ed8c0", kill_on_drop: false }`
[INFO] [stdout] ec95cc1b381b562ea61e103d2cb23749899c9bf8685b4ef5bc67aac6bd1ed8c0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 263244d8552b96ae99db52a259ae8d9322e6f4b709b898d6acd8d9965cffee02
[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" "263244d8552b96ae99db52a259ae8d9322e6f4b709b898d6acd8d9965cffee02", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking const-oid v0.1.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking lru_time_cache v0.11.1
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking polyval v0.4.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking ctr v0.5.0
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking aes-ctr v0.5.0
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking ecdsa v0.8.4
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-subscriber v0.2.13
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking k256 v0.5.9
[INFO] [stderr]     Checking enr v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking discv5 v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `broken_intra_doc_links`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `broken_intra_doc_links`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `broken_intra_doc_links`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `broken_intra_doc_links`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "263244d8552b96ae99db52a259ae8d9322e6f4b709b898d6acd8d9965cffee02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263244d8552b96ae99db52a259ae8d9322e6f4b709b898d6acd8d9965cffee02", kill_on_drop: false }`
[INFO] [stdout] 263244d8552b96ae99db52a259ae8d9322e6f4b709b898d6acd8d9965cffee02