[INFO] cloning repository https://github.com/zhaxzhax/p2p-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhaxzhax/p2p-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fp2p-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fp2p-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d06bd10c1360431dcfb1d27aca04b42a3c9b2e23
[INFO] checking zhaxzhax/p2p-net against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fp2p-net" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhaxzhax/p2p-net on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhaxzhax/p2p-net
[INFO] removed path dependency libp2p from git repo https://github.com/zhaxzhax/p2p-net
[INFO] finished tweaking git repo https://github.com/zhaxzhax/p2p-net
[INFO] tweaked toml for git repo https://github.com/zhaxzhax/p2p-net written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zhaxzhax/p2p-net already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libp2p) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libp2p) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a6826b8639b37a31d5525bac382f1c26d9f0b7bb9e0caf67c29d199d35ab5e2
[INFO] running `Command { std: "docker" "start" "-a" "5a6826b8639b37a31d5525bac382f1c26d9f0b7bb9e0caf67c29d199d35ab5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6826b8639b37a31d5525bac382f1c26d9f0b7bb9e0caf67c29d199d35ab5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6826b8639b37a31d5525bac382f1c26d9f0b7bb9e0caf67c29d199d35ab5e2", kill_on_drop: false }`
[INFO] [stdout] 5a6826b8639b37a31d5525bac382f1c26d9f0b7bb9e0caf67c29d199d35ab5e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2447c274a81f68610794c3335a5bf5e521c43f57a1c40b07ec28833cc396b59
[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" "e2447c274a81f68610794c3335a5bf5e521c43f57a1c40b07ec28833cc396b59", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (libp2p) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
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[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
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[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
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[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]     Checking block-buffer v0.7.3
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[INFO] [stderr]     Checking block-cipher-trait v0.6.2
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[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking parking_lot v0.10.2
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[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking salsa20 v0.3.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking async-std v0.99.12
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking websocket-codec v0.3.4
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[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 libp2p-core-derive v0.19.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.13
[INFO] [stderr]    Compiling libp2p-core v0.19.1
[INFO] [stderr]    Compiling libp2p-floodsub v0.19.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.19.1
[INFO] [stderr]    Compiling libp2p-kad v0.19.0
[INFO] [stderr]    Compiling libp2p-secio v0.19.1
[INFO] [stderr]    Compiling libp2p-noise v0.19.0
[INFO] [stderr]    Compiling libp2p-identify v0.19.1
[INFO] [stderr]    Compiling libp2p-plaintext v0.19.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking async-tls v0.7.0
[INFO] [stderr]     Checking yamux v0.4.5
[INFO] [stderr]     Checking libp2p-pnet v0.19.0
[INFO] [stderr]     Checking websocket-lite v0.3.4
[INFO] [stderr]     Checking smol v0.1.12
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]     Checking multistream-select v0.8.1
[INFO] [stderr]     Checking parity-multiaddr v0.9.0
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]     Checking libp2p-swarm v0.19.0
[INFO] [stderr]     Checking libp2p-dns v0.19.0
[INFO] [stderr]     Checking libp2p-mplex v0.19.1
[INFO] [stderr]     Checking libp2p-yamux v0.19.0
[INFO] [stderr]     Checking libp2p-deflate v0.19.1
[INFO] [stderr]     Checking libp2p-wasm-ext v0.19.0
[INFO] [stderr]     Checking libp2p-tcp v0.19.1
[INFO] [stderr]     Checking libp2p-uds v0.19.1
[INFO] [stderr]     Checking libp2p-websocket v0.19.0
[INFO] [stderr]     Checking libp2p-mdns v0.19.1
[INFO] [stderr]     Checking libp2p-ping v0.19.1
[INFO] [stderr]     Checking async-tungstenite v0.5.0
[INFO] [stderr]     Checking libp2p v0.19.1
[INFO] [stderr]     Checking p2p-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::{io, task};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder`, `Env`
[INFO] [stdout]  --> src/lib.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::{Builder, Env};
[INFO] [stdout]   |                  ^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::{io, task};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder`, `Env`
[INFO] [stdout]  --> src/lib.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::{Builder, Env};
[INFO] [stdout]   |                  ^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/lib.rs:77:45
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     GossipsubEvent::Message(peer_id, id, message) => {
[INFO] [stdout]    |                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/lib.rs:77:54
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     GossipsubEvent::Message(peer_id, id, message) => {
[INFO] [stdout]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     libp2p::Swarm::dial_addr(&mut swarm, addr);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]   --> src/lib.rs:77:45
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     GossipsubEvent::Message(peer_id, id, message) => {
[INFO] [stdout]    |                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/lib.rs:77:54
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     GossipsubEvent::Message(peer_id, id, message) => {
[INFO] [stdout]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     libp2p::Swarm::dial_addr(&mut swarm, addr);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 53s
[INFO] running `Command { std: "docker" "inspect" "e2447c274a81f68610794c3335a5bf5e521c43f57a1c40b07ec28833cc396b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2447c274a81f68610794c3335a5bf5e521c43f57a1c40b07ec28833cc396b59", kill_on_drop: false }`
[INFO] [stdout] e2447c274a81f68610794c3335a5bf5e521c43f57a1c40b07ec28833cc396b59