[INFO] fetching crate libp2p-ping 0.24.0...
[INFO] checking libp2p-ping-0.24.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate libp2p-ping 0.24.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libp2p-ping 0.24.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-ping 0.24.0
[INFO] finished tweaking crates.io crate libp2p-ping 0.24.0
[INFO] tweaked toml for crates.io crate libp2p-ping 0.24.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788df8868bf396d425d303f38ac009febcecf3f84419e9d68936bcf2d10511c7
[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" "788df8868bf396d425d303f38ac009febcecf3f84419e9d68936bcf2d10511c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788df8868bf396d425d303f38ac009febcecf3f84419e9d68936bcf2d10511c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788df8868bf396d425d303f38ac009febcecf3f84419e9d68936bcf2d10511c7", kill_on_drop: false }`
[INFO] [stdout] 788df8868bf396d425d303f38ac009febcecf3f84419e9d68936bcf2d10511c7
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e982d01a818fbe205e5f4cf97e44b33a02c6c3e946707e443b0c363297f62db2
[INFO] running `Command { std: "docker" "start" "-a" "e982d01a818fbe205e5f4cf97e44b33a02c6c3e946707e443b0c363297f62db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
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[INFO] [stderr]    Compiling cc v1.0.65
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
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[INFO] [stderr]    Compiling prost-build v0.6.1
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
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[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
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[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling libp2p-core v0.24.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking multistream-select v0.8.5
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking libp2p-swarm v0.24.0
[INFO] [stderr]     Checking libp2p-ping v0.24.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stdout]   --> tests/ping.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use libp2p_mplex as mplex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_mplex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_noise`
[INFO] [stdout]   --> tests/ping.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use libp2p_noise as noise;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_noise`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_tcp`
[INFO] [stdout]   --> tests/ping.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use libp2p_tcp::TcpConfig;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_yamux`
[INFO] [stdout]   --> tests/ping.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use libp2p_yamux as yamux;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_yamux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]   --> tests/ping.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |     transport::{self, Transport},
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-ping`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e982d01a818fbe205e5f4cf97e44b33a02c6c3e946707e443b0c363297f62db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e982d01a818fbe205e5f4cf97e44b33a02c6c3e946707e443b0c363297f62db2", kill_on_drop: false }`
[INFO] [stdout] e982d01a818fbe205e5f4cf97e44b33a02c6c3e946707e443b0c363297f62db2