[INFO] fetching crate libp3p 0.0.0...
[INFO] checking libp3p-0.0.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate libp3p 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libp3p 0.0.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp3p 0.0.0
[INFO] finished tweaking crates.io crate libp3p 0.0.0
[INFO] tweaked toml for crates.io crate libp3p 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c852cabafb7997acdb3567f12ab8936e425382bf201d8493b8048d3107af34b
[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" "0c852cabafb7997acdb3567f12ab8936e425382bf201d8493b8048d3107af34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c852cabafb7997acdb3567f12ab8936e425382bf201d8493b8048d3107af34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c852cabafb7997acdb3567f12ab8936e425382bf201d8493b8048d3107af34b", kill_on_drop: false }`
[INFO] [stdout] 0c852cabafb7997acdb3567f12ab8936e425382bf201d8493b8048d3107af34b
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--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] ac88c81ced15d7b147795c8f9e543cabe1c9fc77aa1c86e6f35ea31060ef26c8
[INFO] running `Command { std: "docker" "start" "-a" "ac88c81ced15d7b147795c8f9e543cabe1c9fc77aa1c86e6f35ea31060ef26c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling num-bigint-dig v0.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking pin-project-lite v0.1.7
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[INFO] [stderr]     Checking once_cell v1.4.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]     Checking parking_lot_core v0.7.2
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[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking mohan v0.0.53
[INFO] [stderr]     Checking bacteria v0.0.8
[INFO] [stderr]     Checking balloon v0.0.10
[INFO] [stderr]     Checking schnorr v0.0.20
[INFO] [stderr]     Checking libp3p v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `schnorr::PublicKey`
[INFO] [stdout]  --> src/id.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use schnorr::PublicKey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `balloon::balloon`
[INFO] [stdout]  --> src/id.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use balloon::balloon;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blake256`
[INFO] [stdout]   --> src/id.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     blake256,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromIterator`, `self`
[INFO] [stdout]  --> src/extra.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::{self, FromIterator};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/extra.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::net::{IpAddr, SocketAddr};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `schnorr::PublicKey`
[INFO] [stdout]  --> src/id.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use schnorr::PublicKey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `balloon::balloon`
[INFO] [stdout]  --> src/id.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use balloon::balloon;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blake256`
[INFO] [stdout]   --> src/id.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     blake256,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromIterator`, `self`
[INFO] [stdout]  --> src/extra.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::{self, FromIterator};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]  --> src/extra.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::net::{IpAddr, SocketAddr};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_reachable`
[INFO] [stdout]  --> src/extra.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn is_reachable(ip: IpAddr) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/peer.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn new(id: NetworkID) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/id.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |         fn arbitrary<G: Gen>(g: &mut G) -> Self {
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/id.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let mut bytes = [0; 32];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_reachable`
[INFO] [stdout]  --> src/extra.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn is_reachable(ip: IpAddr) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/peer.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn new(id: NetworkID) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "ac88c81ced15d7b147795c8f9e543cabe1c9fc77aa1c86e6f35ea31060ef26c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac88c81ced15d7b147795c8f9e543cabe1c9fc77aa1c86e6f35ea31060ef26c8", kill_on_drop: false }`
[INFO] [stdout] ac88c81ced15d7b147795c8f9e543cabe1c9fc77aa1c86e6f35ea31060ef26c8
