[INFO] updating cached repository https://github.com/brapse/light-spike
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/brapse/light-spike
[INFO] [stderr]    0ca4b19..d50858e  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d50858eaf167f022895018b65cbfef3e88b792f1
[INFO] testing brapse/light-spike against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brapse/light-spike on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brapse/light-spike
[INFO] finished tweaking git repo https://github.com/brapse/light-spike
[INFO] tweaked toml for git repo https://github.com/brapse/light-spike written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/brapse/light-spike already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4231ed6313cc298466483dcc6cee62699013389d05982ed8ee34a6f0d56d6d2b
[INFO] running `"docker" "start" "-a" "4231ed6313cc298466483dcc6cee62699013389d05982ed8ee34a6f0d56d6d2b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling light-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/light_client.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/light_client.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 Err(err) => {
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     peer_id: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crossbeam::channel`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossbeam::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Event as LEvent`
[INFO] [stderr]  --> src/main.rs:3:45
[INFO] [stderr]   |
[INFO] [stderr] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer_light_client`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `"docker" "inspect" "4231ed6313cc298466483dcc6cee62699013389d05982ed8ee34a6f0d56d6d2b"`
[INFO] running `"docker" "rm" "-f" "4231ed6313cc298466483dcc6cee62699013389d05982ed8ee34a6f0d56d6d2b"`
[INFO] [stdout] 4231ed6313cc298466483dcc6cee62699013389d05982ed8ee34a6f0d56d6d2b
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6581e02daa6cc7fa2f05b396d6cd3e5fb475cc6527092c45d92202ff633592b
[INFO] running `"docker" "start" "-a" "d6581e02daa6cc7fa2f05b396d6cd3e5fb475cc6527092c45d92202ff633592b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling light-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/light_client.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/light_client.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 Err(err) => {
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     peer_id: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/light_client.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crossbeam::channel`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossbeam::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Event as LEvent`
[INFO] [stderr]  --> src/main.rs:3:45
[INFO] [stderr]   |
[INFO] [stderr] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/light_client.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 Err(err) => {
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer_light_client`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     peer_id: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "d6581e02daa6cc7fa2f05b396d6cd3e5fb475cc6527092c45d92202ff633592b"`
[INFO] running `"docker" "rm" "-f" "d6581e02daa6cc7fa2f05b396d6cd3e5fb475cc6527092c45d92202ff633592b"`
[INFO] [stdout] d6581e02daa6cc7fa2f05b396d6cd3e5fb475cc6527092c45d92202ff633592b
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb89a4560fdec7806dc4f9e0e660429b0d66349418018a5fbbc5dfc3df1501d8
[INFO] running `"docker" "start" "-a" "cb89a4560fdec7806dc4f9e0e660429b0d66349418018a5fbbc5dfc3df1501d8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/light_client.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/light_client.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 Err(err) => {
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     peer_id: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/light_client.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:43:36
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/light_client.rs:205:21
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 Err(err) => {
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stdout] 
[INFO] [stderr]   --> src/light_client.rs:62:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 62 |     peer_id: PeerID,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crossbeam::channel`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossbeam::channel;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Event as LEvent`
[INFO] [stderr]  --> src/main.rs:3:45
[INFO] [stderr]   |
[INFO] [stderr] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer_light_client`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/light_spike-518a7d1e09f89407
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/light_spike-99aaf615310df025
[INFO] [stderr]    Doc-tests light-spike
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cb89a4560fdec7806dc4f9e0e660429b0d66349418018a5fbbc5dfc3df1501d8"`
[INFO] running `"docker" "rm" "-f" "cb89a4560fdec7806dc4f9e0e660429b0d66349418018a5fbbc5dfc3df1501d8"`
[INFO] [stdout] cb89a4560fdec7806dc4f9e0e660429b0d66349418018a5fbbc5dfc3df1501d8