[INFO] fetching crate swarm-discovery 0.4.0...
[INFO] building swarm-discovery-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate swarm-discovery 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate swarm-discovery 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate swarm-discovery 0.4.0
[INFO] tweaked toml for crates.io crate swarm-discovery 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swarm-discovery 0.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swarm-discovery 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netsim-embed-macros v0.2.0
[INFO] [stderr]   Downloaded ioctl-sys v0.8.0
[INFO] [stderr]   Downloaded libpacket-derive v0.1.1
[INFO] [stderr]   Downloaded smol_str v0.1.24
[INFO] [stderr]   Downloaded async-signal v0.2.11
[INFO] [stderr]   Downloaded acto v0.7.4
[INFO] [stderr]   Downloaded libtest-mimic v0.6.1
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded rustix v0.37.28
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded if-addrs v0.13.4
[INFO] [stderr]   Downloaded libpacket v0.1.2
[INFO] [stderr]   Downloaded netsim-embed-router v0.4.7
[INFO] [stderr]   Downloaded netsim-embed v0.9.1
[INFO] [stderr]   Downloaded netsim-embed-machine v0.6.4
[INFO] [stderr]   Downloaded ipc-channel v0.18.3
[INFO] [stderr]   Downloaded netsim-embed-nat v0.4.2
[INFO] [stderr]   Downloaded ipc-channel v0.20.0
[INFO] [stderr]   Downloaded libpacket-core v0.1.0
[INFO] [stderr]   Downloaded hickory-proto v0.25.2
[INFO] [stderr]   Downloaded netsim-embed-core v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a6d8ec99d7d049a51bfd81e8960a5a04021b03684b07038da7e4579bc482977
[INFO] running `Command { std: "docker" "start" "-a" "9a6d8ec99d7d049a51bfd81e8960a5a04021b03684b07038da7e4579bc482977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6d8ec99d7d049a51bfd81e8960a5a04021b03684b07038da7e4579bc482977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6d8ec99d7d049a51bfd81e8960a5a04021b03684b07038da7e4579bc482977", kill_on_drop: false }`
[INFO] [stdout] 9a6d8ec99d7d049a51bfd81e8960a5a04021b03684b07038da7e4579bc482977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246d9100eeb2fdf4591f29d1c92375f061d814578956b5cf99a26b4b8cd6cd1a
[INFO] running `Command { std: "docker" "start" "-a" "246d9100eeb2fdf4591f29d1c92375f061d814578956b5cf99a26b4b8cd6cd1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling icu_properties_data v2.0.1
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[INFO] [stderr]    Compiling ipnet v2.11.0
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[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling hickory-proto v0.25.2
[INFO] [stderr]    Compiling swarm-discovery v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.55s
[INFO] running `Command { std: "docker" "inspect" "246d9100eeb2fdf4591f29d1c92375f061d814578956b5cf99a26b4b8cd6cd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246d9100eeb2fdf4591f29d1c92375f061d814578956b5cf99a26b4b8cd6cd1a", kill_on_drop: false }`
[INFO] [stdout] 246d9100eeb2fdf4591f29d1c92375f061d814578956b5cf99a26b4b8cd6cd1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a12eb01554d122c812b1249c10b9364a815a8147ab40d21922237af9c2fb7b4
[INFO] running `Command { std: "docker" "start" "-a" "5a12eb01554d122c812b1249c10b9364a815a8147ab40d21922237af9c2fb7b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31
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[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling futures-sink v0.3.31
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[INFO] [stderr]    Compiling futures-macro v0.3.31
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[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling hickory-proto v0.25.2
[INFO] [stderr]    Compiling swarm-discovery v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling netsim-embed-core v0.4.3
[INFO] [stderr]    Compiling netsim-embed-machine v0.6.4
[INFO] [stderr]    Compiling netsim-embed-nat v0.4.2
[INFO] [stderr]    Compiling netsim-embed-router v0.4.7
[INFO] [stderr]    Compiling netsim-embed v0.9.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 34.11s
[INFO] running `Command { std: "docker" "inspect" "5a12eb01554d122c812b1249c10b9364a815a8147ab40d21922237af9c2fb7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a12eb01554d122c812b1249c10b9364a815a8147ab40d21922237af9c2fb7b4", kill_on_drop: false }`
[INFO] [stdout] 5a12eb01554d122c812b1249c10b9364a815a8147ab40d21922237af9c2fb7b4