[INFO] fetching crate ipcs-node 0.0.2...
[INFO] checking ipcs-node-0.0.2 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate ipcs-node 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ipcs-node 0.0.2 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 ipcs-node 0.0.2
[INFO] finished tweaking crates.io crate ipcs-node 0.0.2
[INFO] tweaked toml for crates.io crate ipcs-node 0.0.2 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-tls v0.8.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.2
[INFO] [stderr]   Downloaded libp2p-deflate v0.20.0
[INFO] [stderr]   Downloaded libp2p-noise v0.21.0
[INFO] [stderr]   Downloaded snow v0.7.1
[INFO] [stderr]   Downloaded libp2p-plaintext v0.20.0
[INFO] [stderr]   Downloaded ipcs-executor v0.0.2
[INFO] [stderr]   Downloaded libp2p-websocket v0.21.1
[INFO] [stderr]   Downloaded yamux v0.4.9
[INFO] [stderr]   Downloaded libp2p-pnet v0.19.1
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.20.1
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.20.0
[INFO] [stderr]   Downloaded libp2p-dns v0.20.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.20.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.1.1
[INFO] [stderr]   Downloaded ipcs-apidefs v0.0.2
[INFO] [stderr]   Downloaded semtexzv-ipfsapi v0.4.1-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f5ee44cbe3dbbc5903d207b04fa8182dad4f59c0572db800ef66af208084f041
[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" "f5ee44cbe3dbbc5903d207b04fa8182dad4f59c0572db800ef66af208084f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5ee44cbe3dbbc5903d207b04fa8182dad4f59c0572db800ef66af208084f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ee44cbe3dbbc5903d207b04fa8182dad4f59c0572db800ef66af208084f041", kill_on_drop: false }`
[INFO] [stdout] f5ee44cbe3dbbc5903d207b04fa8182dad4f59c0572db800ef66af208084f041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 246597266d9b8796ac2528db368d95717ac20fbfc3f4fac642e8834db071c59b
[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" "246597266d9b8796ac2528db368d95717ac20fbfc3f4fac642e8834db071c59b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
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[INFO] [stderr]    Compiling itertools v0.8.2
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[INFO] [stderr]    Compiling cranelift-codegen-meta v0.59.0
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling syn v1.0.39
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[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.3.23
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[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking cuckoofilter v0.3.2
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[INFO] [stderr]     Checking parking_lot v0.9.0
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[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking http-body v0.3.1
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[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]     Checking block-cipher-trait v0.6.2
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[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-cipher v0.7.1
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[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]     Checking salsa20-core v0.2.3
[INFO] [stderr]     Checking ctr v0.3.2
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[INFO] [stderr]     Checking polyval v0.4.0
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[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]    Compiling wasmer-runtime-core v0.16.2
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling cranelift-codegen v0.59.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.39
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking async-tls v0.8.0
[INFO] [stderr]     Checking yamux v0.4.9
[INFO] [stderr]     Checking soketto v0.4.1
[INFO] [stderr]     Checking libp2p-pnet v0.19.1
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking ipcs-apidefs v0.0.2
[INFO] [stderr]     Checking gimli v0.20.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]    Compiling libp2p-secio v0.20.0
[INFO] [stderr]    Compiling libp2p-identify v0.20.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.20.0
[INFO] [stderr]    Compiling libp2p-noise v0.21.0
[INFO] [stderr]    Compiling libp2p-kad v0.21.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.20.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.20.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.17
[INFO] [stderr]     Checking libp2p-swarm v0.20.1
[INFO] [stderr]     Checking libp2p-tcp v0.20.0
[INFO] [stderr]     Checking libp2p-dns v0.20.0
[INFO] [stderr]     Checking libp2p-mplex v0.20.0
[INFO] [stderr]     Checking libp2p-yamux v0.20.0
[INFO] [stderr]     Checking libp2p-deflate v0.20.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.20.1
[INFO] [stderr]     Checking libp2p-websocket v0.21.1
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking warp v0.2.4
[INFO] [stderr]     Checking wasmer-clif-fork-frontend v0.59.0
[INFO] [stderr]     Checking cranelift-native v0.59.0
[INFO] [stderr]     Checking wasmer-clif-fork-wasm v0.59.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking libp2p-mdns v0.20.0
[INFO] [stderr]     Checking libp2p-request-response v0.1.1
[INFO] [stderr]     Checking libp2p-ping v0.20.0
[INFO] [stderr]     Checking semtexzv-ipfsapi v0.4.1-alpha.2
[INFO] [stderr]     Checking wasmer-clif-backend v0.16.2
[INFO] [stderr]     Checking wasmer-runtime v0.16.2
[INFO] [stderr]     Checking libp2p v0.22.0
[INFO] [stderr]     Checking ipcs-executor v0.0.2
[INFO] [stderr]     Checking ipcs-node v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `peers`
[INFO] [stdout]    --> src/net/mod.rs:153:92
[INFO] [stdout]     |
[INFO] [stdout] 153 |             (Some(QueryType::Workswap(eid, method, args)), QueryResult::GetClosestPeers(Ok(peers))) => {
[INFO] [stdout]     |                                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_peers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/net/mod.rs:156:50
[INFO] [stdout]     |
[INFO] [stdout] 156 |             (_, QueryResult::GetClosestPeers(Err(timeout))) => {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/net/mod.rs:159:20
[INFO] [stdout]     |
[INFO] [stdout] 159 |             (None, v) => {}
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peers`
[INFO] [stdout]    --> src/net/mod.rs:153:92
[INFO] [stdout]     |
[INFO] [stdout] 153 |             (Some(QueryType::Workswap(eid, method, args)), QueryResult::GetClosestPeers(Ok(peers))) => {
[INFO] [stdout]     |                                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_peers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/net/mod.rs:156:50
[INFO] [stdout]     |
[INFO] [stdout] 156 |             (_, QueryResult::GetClosestPeers(Err(timeout))) => {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/net/mod.rs:159:20
[INFO] [stdout]     |
[INFO] [stdout] 159 |             (None, v) => {}
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 26s
[INFO] running `Command { std: "docker" "inspect" "246597266d9b8796ac2528db368d95717ac20fbfc3f4fac642e8834db071c59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246597266d9b8796ac2528db368d95717ac20fbfc3f4fac642e8834db071c59b", kill_on_drop: false }`
[INFO] [stdout] 246597266d9b8796ac2528db368d95717ac20fbfc3f4fac642e8834db071c59b