[INFO] fetching crate potatonet-node 0.4.3...
[INFO] checking potatonet-node-0.4.3 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate potatonet-node 0.4.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate potatonet-node 0.4.3 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef9dbeba28c11c2a91953cfd49e8b7666006ce52dec5e2b597c51b5035125f69
[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" "ef9dbeba28c11c2a91953cfd49e8b7666006ce52dec5e2b597c51b5035125f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9dbeba28c11c2a91953cfd49e8b7666006ce52dec5e2b597c51b5035125f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9dbeba28c11c2a91953cfd49e8b7666006ce52dec5e2b597c51b5035125f69", kill_on_drop: false }`
[INFO] [stdout] ef9dbeba28c11c2a91953cfd49e8b7666006ce52dec5e2b597c51b5035125f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc8a5a9ef9680a34250bde86bf8ab3ccd57ef666e32ca6104d0f32a9f6be97ce
[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" "cc8a5a9ef9680a34250bde86bf8ab3ccd57ef666e32ca6104d0f32a9f6be97ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling async-trait v0.1.39
[INFO] [stderr]    Compiling potatonet-codegen v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.3
[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::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::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 42s
[INFO] running `Command { std: "docker" "inspect" "cc8a5a9ef9680a34250bde86bf8ab3ccd57ef666e32ca6104d0f32a9f6be97ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8a5a9ef9680a34250bde86bf8ab3ccd57ef666e32ca6104d0f32a9f6be97ce", kill_on_drop: false }`
[INFO] [stdout] cc8a5a9ef9680a34250bde86bf8ab3ccd57ef666e32ca6104d0f32a9f6be97ce