[INFO] cloning repository https://github.com/allemanfredi/simple-eth-node-discoverer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allemanfredi/simple-eth-node-discoverer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallemanfredi%2Fsimple-eth-node-discoverer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallemanfredi%2Fsimple-eth-node-discoverer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e35e0c3d87a108361c616c2a2e335e6e2dc60de [INFO] checking allemanfredi/simple-eth-node-discoverer against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallemanfredi%2Fsimple-eth-node-discoverer" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/allemanfredi/simple-eth-node-discoverer on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/allemanfredi/simple-eth-node-discoverer [INFO] finished tweaking git repo https://github.com/allemanfredi/simple-eth-node-discoverer [INFO] tweaked toml for git repo https://github.com/allemanfredi/simple-eth-node-discoverer written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/allemanfredi/simple-eth-node-discoverer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 fnv v1.0.7 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded rand_chacha v0.2.2 [INFO] [stderr] Downloaded digest v0.9.0 [INFO] [stderr] Downloaded block-padding v0.1.5 [INFO] [stderr] Downloaded fake-simd v0.1.2 [INFO] [stderr] Downloaded digest v0.8.1 [INFO] [stderr] Downloaded block-buffer v0.7.3 [INFO] [stderr] Downloaded crunchy v0.2.2 [INFO] [stderr] Downloaded opaque-debug v0.2.3 [INFO] [stderr] Downloaded wasi v0.9.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded num_cpus v1.13.0 [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded mio-named-pipes v0.1.6 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded byte-tools v0.3.1 [INFO] [stderr] Downloaded keccak v0.1.0 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded rand v0.7.3 [INFO] [stderr] Downloaded arrayref v0.3.6 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded block-buffer v0.8.0 [INFO] [stderr] Downloaded generic-array v0.14.2 [INFO] [stderr] Downloaded pin-project-lite v0.1.7 [INFO] [stderr] Downloaded net2 v0.2.34 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded serde_derive v1.0.112 [INFO] [stderr] Downloaded sha2 v0.8.2 [INFO] [stderr] Downloaded subtle v1.0.0 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded ppv-lite86 v0.2.8 [INFO] [stderr] Downloaded subtle v2.2.3 [INFO] [stderr] Downloaded hmac-drbg v0.2.0 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded uuid v0.8.1 [INFO] [stderr] Downloaded mio v0.6.22 [INFO] [stderr] Downloaded miow v0.3.5 [INFO] [stderr] Downloaded hmac v0.7.1 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded generic-array v0.12.3 [INFO] [stderr] Downloaded tokio v0.2.21 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded crypto-mac v0.7.0 [INFO] [stderr] Downloaded libsecp256k1 v0.3.5 [INFO] [stderr] Downloaded typenum v1.12.0 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded serde_json v1.0.55 [INFO] [stderr] Downloaded syn v1.0.31 [INFO] [stderr] Downloaded bytes v0.5.4 [INFO] [stderr] Downloaded futures-core v0.3.5 [INFO] [stderr] Downloaded socket2 v0.3.12 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded libc v0.2.71 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] [stderr] Downloaded signal-hook-registry v1.2.0 [INFO] [stderr] Downloaded hermit-abi v0.1.14 [INFO] [stderr] Downloaded arc-swap v0.4.7 [INFO] [stderr] Downloaded proc-macro2 v1.0.18 [INFO] [stderr] Downloaded tokio-macros v0.2.5 [INFO] [stderr] Downloaded serde v1.0.112 [INFO] [stderr] Downloaded sha3 v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be8ce18f029817b235546a183f4d8d42bccb3358902140e3b7a05987062cda75 [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" "be8ce18f029817b235546a183f4d8d42bccb3358902140e3b7a05987062cda75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be8ce18f029817b235546a183f4d8d42bccb3358902140e3b7a05987062cda75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be8ce18f029817b235546a183f4d8d42bccb3358902140e3b7a05987062cda75", kill_on_drop: false }` [INFO] [stdout] be8ce18f029817b235546a183f4d8d42bccb3358902140e3b7a05987062cda75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3f0fa30719dcfde2feaa675c6a6dde4a52ebef02733a5f64d9e14fc2b2a85c6 [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" "a3f0fa30719dcfde2feaa675c6a6dde4a52ebef02733a5f64d9e14fc2b2a85c6", 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] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking subtle v2.2.3 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Compiling generic-array v0.14.2 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking cli v0.1.0 (/opt/rustwide/workdir/cli) [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking hmac-drbg v0.2.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking block-buffer v0.8.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking sha3 v0.9.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking libsecp256k1 v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.112 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking serde v1.0.112 [INFO] [stderr] Checking serde_json v1.0.55 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking settings v0.1.0 (/opt/rustwide/workdir/settings) [INFO] [stderr] Checking peers v0.1.0 (/opt/rustwide/workdir/peers) [INFO] [stdout] warning: unused imports: `Signature`, `verify` [INFO] [stdout] --> peers/src/discover/protocol.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use secp256k1::{sign, verify, Message, PublicKey, SecretKey, Signature}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Signature`, `verify` [INFO] [stdout] --> peers/src/discover/protocol.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use secp256k1::{sign, verify, Message, PublicKey, SecretKey, Signature}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FIND_NODE`, `NEIGHBORS` [INFO] [stdout] --> peers/src/discover/protocol.rs:10:54 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::discover::packets::{Data, Header, Packet, FIND_NODE, NEIGHBORS, PING, PONG}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::peer::Peer` [INFO] [stdout] --> peers/src/discover/protocol.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::peer::Peer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FIND_NODE`, `NEIGHBORS` [INFO] [stdout] --> peers/src/discover/protocol.rs:10:54 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::discover::packets::{Data, Header, Packet, FIND_NODE, NEIGHBORS, PING, PONG}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::peer::Peer` [INFO] [stdout] --> peers/src/discover/protocol.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::peer::Peer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `self_peers` [INFO] [stdout] --> peers/src/peers_handler.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let self_peers = self.peers.clone(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_peers` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recipient_ip` [INFO] [stdout] --> peers/src/discover/protocol.rs:129:24 [INFO] [stdout] | [INFO] [stdout] 129 | Data::Pong(recipient_ip, recipient_tcp_port, ping_hash, _, node_id) => { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient_ip` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recipient_tcp_port` [INFO] [stdout] --> peers/src/discover/protocol.rs:129:38 [INFO] [stdout] | [INFO] [stdout] 129 | Data::Pong(recipient_ip, recipient_tcp_port, ping_hash, _, node_id) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient_tcp_port` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> peers/src/discover/protocol.rs:129:72 [INFO] [stdout] | [INFO] [stdout] 129 | Data::Pong(recipient_ip, recipient_tcp_port, ping_hash, _, node_id) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `self_peers` [INFO] [stdout] --> peers/src/peers_handler.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let self_peers = self.peers.clone(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_self_peers` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recipient_ip` [INFO] [stdout] --> peers/src/discover/protocol.rs:129:24 [INFO] [stdout] | [INFO] [stdout] 129 | Data::Pong(recipient_ip, recipient_tcp_port, ping_hash, _, node_id) => { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient_ip` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recipient_tcp_port` [INFO] [stdout] --> peers/src/discover/protocol.rs:129:38 [INFO] [stdout] | [INFO] [stdout] 129 | Data::Pong(recipient_ip, recipient_tcp_port, ping_hash, _, node_id) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient_tcp_port` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node_id` [INFO] [stdout] --> peers/src/discover/protocol.rs:129:72 [INFO] [stdout] | [INFO] [stdout] 129 | Data::Pong(recipient_ip, recipient_tcp_port, ping_hash, _, node_id) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> peers/src/peers_handler.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | self.spawn_connect_with_default_peers(default_peers); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> peers/src/peers_handler.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | self.spawn_discover_new_peers(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> peers/src/peers_handler.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | self.spawn_connect_with_default_peers(default_peers); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> peers/src/peers_handler.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | self.spawn_discover_new_peers(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking simple-eth-node-discoverer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.46s [INFO] running `Command { std: "docker" "inspect" "a3f0fa30719dcfde2feaa675c6a6dde4a52ebef02733a5f64d9e14fc2b2a85c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3f0fa30719dcfde2feaa675c6a6dde4a52ebef02733a5f64d9e14fc2b2a85c6", kill_on_drop: false }` [INFO] [stdout] a3f0fa30719dcfde2feaa675c6a6dde4a52ebef02733a5f64d9e14fc2b2a85c6