[INFO] fetching crate grin_api 3.0.0...
[INFO] checking grin_api-3.0.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate grin_api 3.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate grin_api 3.0.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grin_api 3.0.0
[INFO] finished tweaking crates.io crate grin_api 3.0.0
[INFO] tweaked toml for crates.io crate grin_api 3.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] f93f0fc3f9349993032f8c2e68214289da72a04d3603c762c3999f1b3fa16cc3
[INFO] running `"docker" "start" "-a" "f93f0fc3f9349993032f8c2e68214289da72a04d3603c762c3999f1b3fa16cc3"`
[INFO] [stderr]     Checking grin_api v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused boxed `futures::future::Future` trait object that must be used
[INFO] [stderr]    --> src/handlers/peers_api.rs:145:3
[INFO] [stderr]     |
[INFO] [stderr] 145 |           match command {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 146 | |             "ban" => match w_fut!(&self.peers).ban_peer(addr, ReasonForBan::ManualBan) {
[INFO] [stderr] 147 | |                 Ok(_) => response(StatusCode::OK, "{}"),
[INFO] [stderr] 148 | |                 Err(e) => response(
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |             _ => return response(StatusCode::BAD_REQUEST, "invalid command"),
[INFO] [stderr] 161 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `futures::future::Future` trait object that must be used
[INFO] [stderr]    --> src/handlers/peers_api.rs:145:3
[INFO] [stderr]     |
[INFO] [stderr] 145 |           match command {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 146 | |             "ban" => match w_fut!(&self.peers).ban_peer(addr, ReasonForBan::ManualBan) {
[INFO] [stderr] 147 | |                 Ok(_) => response(StatusCode::OK, "{}"),
[INFO] [stderr] 148 | |                 Err(e) => response(
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |             _ => return response(StatusCode::BAD_REQUEST, "invalid command"),
[INFO] [stderr] 161 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: futures do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.38s
[INFO] running `"docker" "inspect" "f93f0fc3f9349993032f8c2e68214289da72a04d3603c762c3999f1b3fa16cc3"`
[INFO] running `"docker" "rm" "-f" "f93f0fc3f9349993032f8c2e68214289da72a04d3603c762c3999f1b3fa16cc3"`
[INFO] [stdout] f93f0fc3f9349993032f8c2e68214289da72a04d3603c762c3999f1b3fa16cc3