[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]  * [new branch]      concurrency -> concurrency
[INFO] [stderr]    c16cc3a..b7357bb  master      -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7357bb6b1fbe386cb7f8de06fce28ad7e65c869
[INFO] checking brapse/light-spike against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brapse/light-spike on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "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-11/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec52618d8b9c37dd2f24d139443a346782f73bfb78a7092ce28491a451b8780f
[INFO] running `"docker" "start" "-a" "ec52618d8b9c37dd2f24d139443a346782f73bfb78a7092ce28491a451b8780f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking light-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/light_client.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::FromStr;
[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:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     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 import: `std::str::FromStr`
[INFO] [stderr]  --> src/light_client.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     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:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     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: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     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: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     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:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PassedVerification`
[INFO] [stderr]   --> src/light_client.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     PassedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FailedVerification`
[INFO] [stderr]   --> src/light_client.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     FailedVerification(PeerID),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     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: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | 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:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | 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:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     while let event = node_receiver.recv().unwrap() {
[INFO] [stderr] 65 | |         match event {
[INFO] [stderr] 66 | |             LEvent::Terminated() => {
[INFO] [stderr] 67 | |                 println!("terminated");
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         }
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let relayer = Relayer::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 | /     while let event = node_receiver.recv().unwrap() {
[INFO] [stderr] 65 | |         match event {
[INFO] [stderr] 66 | |             LEvent::Terminated() => {
[INFO] [stderr] 67 | |                 println!("terminated");
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |         }
[INFO] [stderr] 74 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let relayer = Relayer::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `"docker" "inspect" "ec52618d8b9c37dd2f24d139443a346782f73bfb78a7092ce28491a451b8780f"`
[INFO] running `"docker" "rm" "-f" "ec52618d8b9c37dd2f24d139443a346782f73bfb78a7092ce28491a451b8780f"`
[INFO] [stdout] ec52618d8b9c37dd2f24d139443a346782f73bfb78a7092ce28491a451b8780f