[INFO] fetching crate libp2p 0.54.1...
[INFO] checking libp2p-0.54.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate libp2p 0.54.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate libp2p 0.54.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p 0.54.1
[INFO] finished tweaking crates.io crate libp2p 0.54.1
[INFO] tweaked toml for crates.io crate libp2p 0.54.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 437 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--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 libp2p-core v0.42.0
[INFO] [stderr]   Downloaded libp2p-webtransport-websys v0.4.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.4.0
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[INFO] [stderr]   Downloaded libp2p-plaintext v0.42.0
[INFO] [stderr]   Downloaded libp2p-autonat v0.13.0
[INFO] [stderr]   Downloaded async-std-resolver v0.24.1
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[INFO] [stderr]   Downloaded libp2p-connection-limits v0.4.0
[INFO] [stderr]   Downloaded cbor4ii v0.3.3
[INFO] [stderr]   Downloaded libp2p-allow-block-list v0.4.0
[INFO] [stderr]   Downloaded libp2p-relay v0.18.0
[INFO] [stderr]   Downloaded prometheus-client v0.22.3
[INFO] [stderr]   Downloaded hickory-resolver v0.24.1
[INFO] [stderr]   Downloaded libp2p-kad v0.46.2
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.47.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.45.1
[INFO] [stderr]   Downloaded attohttpc v0.24.1
[INFO] [stderr]   Downloaded libp2p-rendezvous v0.15.0
[INFO] [stderr]   Downloaded igd-next v0.14.3
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.35.0
[INFO] [stderr]   Downloaded libp2p-dns v0.42.0
[INFO] [stderr]   Downloaded memory-stats v1.2.0
[INFO] [stderr]   Downloaded futures-ticker v0.0.3
[INFO] [stderr]   Downloaded libp2p-identify v0.45.0
[INFO] [stderr]   Downloaded libp2p-metrics v0.15.0
[INFO] [stderr]   Downloaded libp2p-ping v0.45.0
[INFO] [stderr]   Downloaded if-addrs v0.10.2
[INFO] [stderr]   Downloaded libp2p-websocket v0.44.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.42.0
[INFO] [stderr]   Downloaded hickory-proto v0.24.1
[INFO] [stderr]   Downloaded libp2p-websocket-websys v0.4.0
[INFO] [stderr]   Downloaded libp2p-pnet v0.25.0
[INFO] [stderr]   Downloaded libp2p-upnp v0.3.0
[INFO] [stderr]   Downloaded libp2p-uds v0.41.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.45.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.46.0
[INFO] [stderr]   Downloaded libp2p-dcutr v0.12.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.42.0
[INFO] [stderr]   Downloaded libp2p-quic v0.11.1
[INFO] [stderr]   Downloaded futures-bounded v0.2.4
[INFO] [stderr]   Downloaded libp2p-request-response v0.27.0
[INFO] [stderr]   Downloaded if-watch v3.2.0
[INFO] [stderr]   Downloaded libp2p-tls v0.5.0
[INFO] [stderr]   Downloaded yamux v0.12.1
[INFO] [stderr]   Downloaded multistream-select v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bb34483d200a7b11603ff74bfc0e3a63e272c2e12e5e014c4483cd65e724ac0
[INFO] running `Command { std: "docker" "start" "-a" "0bb34483d200a7b11603ff74bfc0e3a63e272c2e12e5e014c4483cd65e724ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bb34483d200a7b11603ff74bfc0e3a63e272c2e12e5e014c4483cd65e724ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb34483d200a7b11603ff74bfc0e3a63e272c2e12e5e014c4483cd65e724ac0", kill_on_drop: false }`
[INFO] [stdout] 0bb34483d200a7b11603ff74bfc0e3a63e272c2e12e5e014c4483cd65e724ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90bba3b35fbe5cd59954cfd1987a728cd5150a1b003d1a546d0fd51da72fe13
[INFO] running `Command { std: "docker" "start" "-a" "f90bba3b35fbe5cd59954cfd1987a728cd5150a1b003d1a546d0fd51da72fe13", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.22
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[INFO] [stderr]    Compiling ring v0.17.8
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[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking multiaddr v0.18.1
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking libp2p-core v0.42.0
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking libp2p-swarm v0.45.1
[INFO] [stderr]     Checking libp2p-mplex v0.42.0
[INFO] [stderr]     Checking libp2p-tcp v0.42.0
[INFO] [stderr]     Checking libp2p-noise v0.45.0
[INFO] [stderr]     Checking libp2p-allow-block-list v0.4.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.4.0
[INFO] [stderr]     Checking libp2p v0.54.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::SwarmBuilder`
[INFO] [stdout]   --> src/builder.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::SwarmBuilder;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `muxing::StreamMuxerBox` and `transport::dummy::DummyTransport`
[INFO] [stdout]   --> src/builder.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use libp2p_core::{muxing::StreamMuxerBox, transport::dummy::DummyTransport};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p_identity::PeerId`
[INFO] [stdout]   --> src/builder.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     use libp2p_identity::PeerId;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p_swarm::NetworkBehaviour`
[INFO] [stdout]   --> src/builder.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use libp2p_swarm::NetworkBehaviour;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "f90bba3b35fbe5cd59954cfd1987a728cd5150a1b003d1a546d0fd51da72fe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90bba3b35fbe5cd59954cfd1987a728cd5150a1b003d1a546d0fd51da72fe13", kill_on_drop: false }`
[INFO] [stdout] f90bba3b35fbe5cd59954cfd1987a728cd5150a1b003d1a546d0fd51da72fe13
[INFO] checking libp2p-0.54.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate libp2p 0.54.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate libp2p 0.54.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p 0.54.1
[INFO] finished tweaking crates.io crate libp2p 0.54.1
[INFO] tweaked toml for crates.io crate libp2p 0.54.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 437 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5494861a0e684c21dddfe25092712dbc33a0a633ee12c2f698052dd38bc55bc
[INFO] running `Command { std: "docker" "start" "-a" "a5494861a0e684c21dddfe25092712dbc33a0a633ee12c2f698052dd38bc55bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5494861a0e684c21dddfe25092712dbc33a0a633ee12c2f698052dd38bc55bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5494861a0e684c21dddfe25092712dbc33a0a633ee12c2f698052dd38bc55bc", kill_on_drop: false }`
[INFO] [stdout] a5494861a0e684c21dddfe25092712dbc33a0a633ee12c2f698052dd38bc55bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6f2b92860229cf87e2801fdd3f9615bf3ec51eb82992d2f12f445e8ad630c7c
[INFO] running `Command { std: "docker" "start" "-a" "e6f2b92860229cf87e2801fdd3f9615bf3ec51eb82992d2f12f445e8ad630c7c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking subtle v2.6.1
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[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking core2 v0.4.0
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[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking arrayref v0.3.8
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]     Checking io-lifetimes v1.0.11
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[INFO] [stderr]     Checking regex-syntax v0.6.29
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[INFO] [stderr]     Checking libp2p-identity v0.2.9
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[INFO] [stderr]     Checking multistream-select v0.13.0
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[INFO] [stderr]     Checking multibase v0.9.1
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[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking multiaddr v0.18.1
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking libp2p-core v0.42.0
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking libp2p-swarm v0.45.1
[INFO] [stderr]     Checking libp2p-tcp v0.42.0
[INFO] [stderr]     Checking libp2p-mplex v0.42.0
[INFO] [stderr]     Checking libp2p-noise v0.45.0
[INFO] [stderr]     Checking libp2p-allow-block-list v0.4.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.4.0
[INFO] [stderr]     Checking libp2p v0.54.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::SwarmBuilder`
[INFO] [stdout]   --> src/builder.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::SwarmBuilder;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `muxing::StreamMuxerBox` and `transport::dummy::DummyTransport`
[INFO] [stdout]   --> src/builder.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use libp2p_core::{muxing::StreamMuxerBox, transport::dummy::DummyTransport};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p_identity::PeerId`
[INFO] [stdout]   --> src/builder.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     use libp2p_identity::PeerId;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p_swarm::NetworkBehaviour`
[INFO] [stdout]   --> src/builder.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use libp2p_swarm::NetworkBehaviour;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "e6f2b92860229cf87e2801fdd3f9615bf3ec51eb82992d2f12f445e8ad630c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f2b92860229cf87e2801fdd3f9615bf3ec51eb82992d2f12f445e8ad630c7c", kill_on_drop: false }`
[INFO] [stdout] e6f2b92860229cf87e2801fdd3f9615bf3ec51eb82992d2f12f445e8ad630c7c