[INFO] cloning repository https://github.com/brapse/light-spike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brapse/light-spike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d50858eaf167f022895018b65cbfef3e88b792f1
[INFO] checking brapse/light-spike against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brapse/light-spike on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brapse/light-spike 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86fee87df62e67558eb4d96afae3f733d2b69705cb23d280957a91aa092f7010
[INFO] running `Command { std: "docker" "start" "-a" "86fee87df62e67558eb4d96afae3f733d2b69705cb23d280957a91aa092f7010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86fee87df62e67558eb4d96afae3f733d2b69705cb23d280957a91aa092f7010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86fee87df62e67558eb4d96afae3f733d2b69705cb23d280957a91aa092f7010", kill_on_drop: false }`
[INFO] [stdout] 86fee87df62e67558eb4d96afae3f733d2b69705cb23d280957a91aa092f7010
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b412a2cc32e4b48e4171168094eedf49f029ba697ef6ed06fdcd3e2c906a01f1
[INFO] running `Command { std: "docker" "start" "-a" "b412a2cc32e4b48e4171168094eedf49f029ba697ef6ed06fdcd3e2c906a01f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[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] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/light_client.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread,time};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/light_client.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/light_client.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread,time};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/light_client.rs:205:21
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peers` and `primary` are never read
[INFO] [stdout]   --> src/light_client.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PeerList {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     primary: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PassedVerification` and `FailedVerification` are never constructed
[INFO] [stdout]   --> src/light_client.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Fork {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 57 |     PassedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     FailedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peer_id` is never read
[INFO] [stdout]   --> src/light_client.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Instance {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 62 |     peer_id: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> src/relayer.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Event {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle` and `run` are never used
[INFO] [stdout]   --> src/relayer.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Relayer {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn run(mut self,
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/light_client.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/light_client.rs:205:21
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peers` and `primary` are never read
[INFO] [stdout]   --> src/light_client.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PeerList {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     primary: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PassedVerification` and `FailedVerification` are never constructed
[INFO] [stdout]   --> src/light_client.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Fork {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 57 |     PassedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     FailedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peer_id` is never read
[INFO] [stdout]   --> src/light_client.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Instance {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 62 |     peer_id: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> src/relayer.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Event {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle` and `run` are never used
[INFO] [stdout]   --> src/relayer.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Relayer {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn run(mut self,
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant, Duration};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as LEvent`
[INFO] [stdout]  --> src/main.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer_light_client`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant, Duration};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as LEvent`
[INFO] [stdout]  --> src/main.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer_light_client`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "b412a2cc32e4b48e4171168094eedf49f029ba697ef6ed06fdcd3e2c906a01f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b412a2cc32e4b48e4171168094eedf49f029ba697ef6ed06fdcd3e2c906a01f1", kill_on_drop: false }`
[INFO] [stdout] b412a2cc32e4b48e4171168094eedf49f029ba697ef6ed06fdcd3e2c906a01f1
[INFO] checking brapse/light-spike against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brapse/light-spike on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/brapse/light-spike 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f1932abe69703abff178dd4801662d4b5723640575e1985d7a82d9f6706f591
[INFO] running `Command { std: "docker" "start" "-a" "1f1932abe69703abff178dd4801662d4b5723640575e1985d7a82d9f6706f591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f1932abe69703abff178dd4801662d4b5723640575e1985d7a82d9f6706f591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1932abe69703abff178dd4801662d4b5723640575e1985d7a82d9f6706f591", kill_on_drop: false }`
[INFO] [stdout] 1f1932abe69703abff178dd4801662d4b5723640575e1985d7a82d9f6706f591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2ced772764e4d3890df50754b41c00ad57bd39745c48f8f5844cf407bf7338
[INFO] running `Command { std: "docker" "start" "-a" "5f2ced772764e4d3890df50754b41c00ad57bd39745c48f8f5844cf407bf7338", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[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] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/light_client.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread,time};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/light_client.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread,time};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/light_client.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/light_client.rs:205:21
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peers` and `primary` are never read
[INFO] [stdout]   --> src/light_client.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PeerList {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     primary: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PassedVerification` and `FailedVerification` are never constructed
[INFO] [stdout]   --> src/light_client.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Fork {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 57 |     PassedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     FailedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peer_id` is never read
[INFO] [stdout]   --> src/light_client.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Instance {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 62 |     peer_id: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> src/relayer.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Event {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle` and `run` are never used
[INFO] [stdout]   --> src/relayer.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Relayer {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn run(mut self,
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/light_client.rs:43:36
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/light_client.rs:205:21
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 Err(err) => {
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peers` and `primary` are never read
[INFO] [stdout]   --> src/light_client.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PeerList {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 34 |     peers: HashMap<PeerID, Instance>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     primary: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PassedVerification` and `FailedVerification` are never constructed
[INFO] [stdout]   --> src/light_client.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Fork {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 57 |     PassedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     FailedVerification(PeerID),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `peer_id` is never read
[INFO] [stdout]   --> src/light_client.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Instance {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 62 |     peer_id: PeerID,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> src/relayer.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Event {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `handle` and `run` are never used
[INFO] [stdout]   --> src/relayer.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Relayer {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn run(mut self,
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant, Duration};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as LEvent`
[INFO] [stdout]  --> src/main.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer_light_client`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration` and `Instant`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::{Instant, Duration};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::channel`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as LEvent`
[INFO] [stdout]  --> src/main.rs:3:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | use light_spike::light_client::{Supervisor, Event as LEvent};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer_light_client`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let relayer_light_client = light_client.handler();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_light_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relayer`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let relayer = Relayer::new(); // pass the handler here
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let test = node_light_client.verify_to_target(32);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5f2ced772764e4d3890df50754b41c00ad57bd39745c48f8f5844cf407bf7338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2ced772764e4d3890df50754b41c00ad57bd39745c48f8f5844cf407bf7338", kill_on_drop: false }`
[INFO] [stdout] 5f2ced772764e4d3890df50754b41c00ad57bd39745c48f8f5844cf407bf7338