[INFO] cloning repository https://github.com/0xvicky/nebula
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xvicky/nebula" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xvicky%2Fnebula", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xvicky%2Fnebula'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1225ffc0a67d204533f2b98bd9b80297bbe61dd2
[INFO] checking 0xvicky/nebula against master#8b6b15b877fbceb1ee5d9a5a4746e7515901574a for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xvicky%2Fnebula" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xvicky/nebula
[INFO] finished tweaking git repo https://github.com/0xvicky/nebula
[INFO] tweaked toml for git repo https://github.com/0xvicky/nebula written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xvicky/nebula on toolchain 8b6b15b877fbceb1ee5d9a5a4746e7515901574a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xvicky/nebula already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab880aec58412040931caa4c78279cfe40601658a1187308266e01ecf1ac60f6
[INFO] running `Command { std: "docker" "start" "-a" "ab880aec58412040931caa4c78279cfe40601658a1187308266e01ecf1ac60f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab880aec58412040931caa4c78279cfe40601658a1187308266e01ecf1ac60f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab880aec58412040931caa4c78279cfe40601658a1187308266e01ecf1ac60f6", kill_on_drop: false }`
[INFO] [stdout] ab880aec58412040931caa4c78279cfe40601658a1187308266e01ecf1ac60f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e6ee8f6e96d1396254cec6a1f2afa41ab9ef33f7ce00026595925005957f9a
[INFO] running `Command { std: "docker" "start" "-a" "71e6ee8f6e96d1396254cec6a1f2afa41ab9ef33f7ce00026595925005957f9a", kill_on_drop: false }`
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking nebula v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Peer`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use peer_list::{Peer, PeerList};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_seen` is never read
[INFO] [stdout]  --> src/peer_list/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Peer {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     pub ip_addr: String,
[INFO] [stdout] 6 |     pub last_seen: Instant,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Peer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cleanup` is never used
[INFO] [stdout]   --> src/peer_list/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl PeerList {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn cleanup(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Peer`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use peer_list::{Peer, PeerList};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_seen` is never read
[INFO] [stdout]  --> src/peer_list/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Peer {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     pub ip_addr: String,
[INFO] [stdout] 6 |     pub last_seen: Instant,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Peer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cleanup` is never used
[INFO] [stdout]   --> src/peer_list/mod.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl PeerList {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn cleanup(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "71e6ee8f6e96d1396254cec6a1f2afa41ab9ef33f7ce00026595925005957f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e6ee8f6e96d1396254cec6a1f2afa41ab9ef33f7ce00026595925005957f9a", kill_on_drop: false }`
[INFO] [stdout] 71e6ee8f6e96d1396254cec6a1f2afa41ab9ef33f7ce00026595925005957f9a
