[INFO] fetching crate potatonet-node 0.4.3...
[INFO] checking potatonet-node-0.4.3 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate potatonet-node 0.4.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate potatonet-node 0.4.3 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b1e158ef472bbcfdd00a351bb58a544577037194b5223c6eb64822db52544d5
[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" "1b1e158ef472bbcfdd00a351bb58a544577037194b5223c6eb64822db52544d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b1e158ef472bbcfdd00a351bb58a544577037194b5223c6eb64822db52544d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1e158ef472bbcfdd00a351bb58a544577037194b5223c6eb64822db52544d5", kill_on_drop: false }`
[INFO] [stdout] 1b1e158ef472bbcfdd00a351bb58a544577037194b5223c6eb64822db52544d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e9b89ac231e0645ea6ab2615f1ca34b133e630ab4582c4858574a0490e0f2ed
[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" "8e9b89ac231e0645ea6ab2615f1ca34b133e630ab4582c4858574a0490e0f2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling potatonet-codegen v0.4.3
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[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 1m 19s
[INFO] running `Command { std: "docker" "inspect" "8e9b89ac231e0645ea6ab2615f1ca34b133e630ab4582c4858574a0490e0f2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9b89ac231e0645ea6ab2615f1ca34b133e630ab4582c4858574a0490e0f2ed", kill_on_drop: false }`
[INFO] [stdout] 8e9b89ac231e0645ea6ab2615f1ca34b133e630ab4582c4858574a0490e0f2ed