[INFO] fetching crate libp2p-ping 0.20.0...
[INFO] checking libp2p-ping-0.20.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate libp2p-ping 0.20.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libp2p-ping 0.20.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-ping 0.20.0
[INFO] finished tweaking crates.io crate libp2p-ping 0.20.0
[INFO] tweaked toml for crates.io crate libp2p-ping 0.20.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 607b72ab52068af2576dc6e07e9e4ad50f0ab40d33849879b6a89cf4d4061c8b
[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" "607b72ab52068af2576dc6e07e9e4ad50f0ab40d33849879b6a89cf4d4061c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "607b72ab52068af2576dc6e07e9e4ad50f0ab40d33849879b6a89cf4d4061c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607b72ab52068af2576dc6e07e9e4ad50f0ab40d33849879b6a89cf4d4061c8b", kill_on_drop: false }`
[INFO] [stdout] 607b72ab52068af2576dc6e07e9e4ad50f0ab40d33849879b6a89cf4d4061c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 521d674e193ea6160c382ed66ed043bcd9d8f5e026a1f7a84910ea7abd8560e6
[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" "521d674e193ea6160c382ed66ed043bcd9d8f5e026a1f7a84910ea7abd8560e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking once_cell v1.4.1
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[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
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[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking libp2p-swarm v0.20.1
[INFO] [stderr]     Checking libp2p-ping v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libp2p_secio`
[INFO] [stdout]   --> tests/ping.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use libp2p_secio::SecioConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared type or module `libp2p_secio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_tcp`
[INFO] [stdout]   --> tests/ping.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use libp2p_tcp::TcpConfig;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared type or module `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `libp2p_yamux`
[INFO] [stdout]    --> tests/ping.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |         .multiplex(libp2p_yamux::Config::default())
[INFO] [stdout]     |                    ^^^^^^^^^^^^ use of undeclared type or module `libp2p_yamux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]   --> tests/ping.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     transport::{Transport, boxed::Boxed},
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an 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" "521d674e193ea6160c382ed66ed043bcd9d8f5e026a1f7a84910ea7abd8560e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521d674e193ea6160c382ed66ed043bcd9d8f5e026a1f7a84910ea7abd8560e6", kill_on_drop: false }`
[INFO] [stdout] 521d674e193ea6160c382ed66ed043bcd9d8f5e026a1f7a84910ea7abd8560e6