[INFO] fetching crate libp2p-rs 0.2.1...
[INFO] checking libp2p-rs-0.2.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate libp2p-rs 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libp2p-rs 0.2.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-rs 0.2.1
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate libp2p-rs 0.2.1
[INFO] tweaked toml for crates.io crate libp2p-rs 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate libp2p-rs 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] a0ef0c589a16bf617711bc0e68c922afb9b169846c9e0ac2c59ca11136e6305c
[INFO] running `Command { std: "docker" "start" "-a" "a0ef0c589a16bf617711bc0e68c922afb9b169846c9e0ac2c59ca11136e6305c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ef0c589a16bf617711bc0e68c922afb9b169846c9e0ac2c59ca11136e6305c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ef0c589a16bf617711bc0e68c922afb9b169846c9e0ac2c59ca11136e6305c", kill_on_drop: false }`
[INFO] [stdout] a0ef0c589a16bf617711bc0e68c922afb9b169846c9e0ac2c59ca11136e6305c
[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2269805733a822923342ef03c69f6035ac80a74b53468346a8917d25bded095a
[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" "2269805733a822923342ef03c69f6035ac80a74b53468346a8917d25bded095a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
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[INFO] [stderr]    Compiling prost-derive v0.6.1
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[INFO] [stderr]     Checking libp2prs-traits v0.2.1
[INFO] [stderr]     Checking libp2prs-runtime v0.2.1
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]    Compiling libp2prs-core v0.2.1
[INFO] [stderr]    Compiling libp2prs-swarm v0.2.1
[INFO] [stderr]    Compiling libp2prs-plaintext v0.2.1
[INFO] [stderr]    Compiling libp2prs-floodsub v0.2.1
[INFO] [stderr]    Compiling libp2prs-noise v0.2.1
[INFO] [stderr]    Compiling libp2prs-kad v0.2.1
[INFO] [stderr]    Compiling libp2prs-secio v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_qs v0.7.2
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[INFO] [stderr]     Checking libp2prs-multiaddr v0.2.1
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[INFO] [stderr]     Checking libp2prs-tcp v0.2.1
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[INFO] [stderr]     Checking http-client v6.2.0
[INFO] [stderr]     Checking async-sse v4.1.0
[INFO] [stderr]     Checking async-h1 v2.3.0
[INFO] [stderr]     Checking libp2prs-websocket v0.2.1
[INFO] [stderr]     Checking tide v0.15.0
[INFO] [stderr]     Checking libp2prs-infoserver v0.2.1
[INFO] [stderr]     Checking libp2prs-exporter v0.2.1
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.8.0
[INFO] [stderr]     Checking libp2p-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 24s
[INFO] running `Command { std: "docker" "inspect" "2269805733a822923342ef03c69f6035ac80a74b53468346a8917d25bded095a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2269805733a822923342ef03c69f6035ac80a74b53468346a8917d25bded095a", kill_on_drop: false }`
[INFO] [stdout] 2269805733a822923342ef03c69f6035ac80a74b53468346a8917d25bded095a