[INFO] fetching crate discv5 0.1.0-beta.10...
[INFO] checking discv5-0.1.0-beta.10 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate discv5 0.1.0-beta.10 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate discv5 0.1.0-beta.10 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discv5 0.1.0-beta.10
[INFO] finished tweaking crates.io crate discv5 0.1.0-beta.10
[INFO] tweaked toml for crates.io crate discv5 0.1.0-beta.10 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate discv5 0.1.0-beta.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]   Downloaded libsecp256k1 v0.5.0
[INFO] [stderr]   Downloaded libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]   Downloaded hmac-drbg v0.3.0
[INFO] [stderr]   Downloaded libsecp256k1-core v0.2.2
[INFO] [stderr]   Downloaded multiaddr v0.13.0
[INFO] [stderr]   Downloaded libp2p-core v0.29.0
[INFO] [stderr]   Downloaded simple_logger v1.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7f7095a24ac1b043911bd45d87f2da3f2c39959ee7256011728d389b01046a2
[INFO] running `Command { std: "docker" "start" "-a" "e7f7095a24ac1b043911bd45d87f2da3f2c39959ee7256011728d389b01046a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f7095a24ac1b043911bd45d87f2da3f2c39959ee7256011728d389b01046a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f7095a24ac1b043911bd45d87f2da3f2c39959ee7256011728d389b01046a2", kill_on_drop: false }`
[INFO] [stdout] e7f7095a24ac1b043911bd45d87f2da3f2c39959ee7256011728d389b01046a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a7b660a1a8a61ffb9457c2765f42771dc4fcf4c9b240077e817b6f095c94ee
[INFO] running `Command { std: "docker" "start" "-a" "c5a7b660a1a8a61ffb9457c2765f42771dc4fcf4c9b240077e817b6f095c94ee", kill_on_drop: false }`
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[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking discv5 v0.1.0-beta.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `iteration`
[INFO] [stdout]    --> src/query_pool/peers/closest.rs:398:5
[INFO] [stdout]     |
[INFO] [stdout] 398 |     iteration: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `iteration`
[INFO] [stdout]    --> src/query_pool/peers/closest.rs:398:5
[INFO] [stdout]     |
[INFO] [stdout] 398 |     iteration: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.94s
[INFO] running `Command { std: "docker" "inspect" "c5a7b660a1a8a61ffb9457c2765f42771dc4fcf4c9b240077e817b6f095c94ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a7b660a1a8a61ffb9457c2765f42771dc4fcf4c9b240077e817b6f095c94ee", kill_on_drop: false }`
[INFO] [stdout] c5a7b660a1a8a61ffb9457c2765f42771dc4fcf4c9b240077e817b6f095c94ee