[INFO] fetching crate potatonet-node 0.4.3...
[INFO] checking potatonet-node-0.4.3 against beta for pr-78714
[INFO] extracting crate potatonet-node 0.4.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate potatonet-node 0.4.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate potatonet-node 0.4.3
[INFO] finished tweaking crates.io crate potatonet-node 0.4.3
[INFO] tweaked toml for crates.io crate potatonet-node 0.4.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b46fb2df4a8615785d7531fac57cfead946888f6bc6e94469cd75f7bc75193f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b46fb2df4a8615785d7531fac57cfead946888f6bc6e94469cd75f7bc75193f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b46fb2df4a8615785d7531fac57cfead946888f6bc6e94469cd75f7bc75193f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b46fb2df4a8615785d7531fac57cfead946888f6bc6e94469cd75f7bc75193f", kill_on_drop: false }`
[INFO] [stdout] 0b46fb2df4a8615785d7531fac57cfead946888f6bc6e94469cd75f7bc75193f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2ef82da4b210320a62a713ab9b065dff069973712d52a41e68d187bd3ad297
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea2ef82da4b210320a62a713ab9b065dff069973712d52a41e68d187bd3ad297", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling potatonet-codegen v0.4.3
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking potatonet-common v0.4.3
[INFO] [stderr]     Checking potatonet-client v0.4.3
[INFO] [stderr]     Checking potatonet-node v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Service::notify` that must be used
[INFO] [stdout]    --> src/context.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 | /                     service.notify(
[INFO] [stdout] 177 | |                         &NodeContext {
[INFO] [stdout] 178 | |                             client,
[INFO] [stdout] 179 | |                             app: app.clone(),
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |                         request_bytes,
[INFO] [stdout] 186 | |                     );
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Service::notify` that must be used
[INFO] [stdout]    --> src/context.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 | /                     service.notify(
[INFO] [stdout] 177 | |                         &NodeContext {
[INFO] [stdout] 178 | |                             client,
[INFO] [stdout] 179 | |                             app: app.clone(),
[INFO] [stdout] ...   |
[INFO] [stdout] 185 | |                         request_bytes,
[INFO] [stdout] 186 | |                     );
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.88s
[INFO] running `Command { std: "docker" "inspect" "ea2ef82da4b210320a62a713ab9b065dff069973712d52a41e68d187bd3ad297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2ef82da4b210320a62a713ab9b065dff069973712d52a41e68d187bd3ad297", kill_on_drop: false }`
[INFO] [stdout] ea2ef82da4b210320a62a713ab9b065dff069973712d52a41e68d187bd3ad297