[INFO] fetching crate libp2p-gossipsub 0.27.0...
[INFO] checking libp2p-gossipsub-0.27.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate libp2p-gossipsub 0.27.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libp2p-gossipsub 0.27.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-gossipsub 0.27.0
[INFO] finished tweaking crates.io crate libp2p-gossipsub 0.27.0
[INFO] tweaked toml for crates.io crate libp2p-gossipsub 0.27.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 4ed58751489b21c3539988c39a0882dabe2a8483b63a170928c2dd6752556982
[INFO] running `Command { std: "docker" "start" "-a" "4ed58751489b21c3539988c39a0882dabe2a8483b63a170928c2dd6752556982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ed58751489b21c3539988c39a0882dabe2a8483b63a170928c2dd6752556982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed58751489b21c3539988c39a0882dabe2a8483b63a170928c2dd6752556982", kill_on_drop: false }`
[INFO] [stdout] 4ed58751489b21c3539988c39a0882dabe2a8483b63a170928c2dd6752556982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 35b9516b781452fb845da1190aab01bbde56f666052258c2d33f22c3afd48310
[INFO] running `Command { std: "docker" "start" "-a" "35b9516b781452fb845da1190aab01bbde56f666052258c2d33f22c3afd48310", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]    Compiling libp2p-gossipsub v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking libp2p-swarm v0.27.2
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/behaviour.rs:2638:10
[INFO] [stdout]      |
[INFO] [stdout] 2638 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stdout] error[E0432]: unresolved import `libp2p_plaintext`
[INFO] [stdout]   --> tests/smoke.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | use libp2p_plaintext::PlainText2Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `libp2p_plaintext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_yamux`
[INFO] [stdout]   --> tests/smoke.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use libp2p_yamux as yamux;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_yamux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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-gossipsub`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/behaviour/tests.rs:4995:10
[INFO] [stdout]      |
[INFO] [stdout] 4995 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/behaviour.rs:2638:10
[INFO] [stdout]      |
[INFO] [stdout] 2638 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "35b9516b781452fb845da1190aab01bbde56f666052258c2d33f22c3afd48310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b9516b781452fb845da1190aab01bbde56f666052258c2d33f22c3afd48310", kill_on_drop: false }`
[INFO] [stdout] 35b9516b781452fb845da1190aab01bbde56f666052258c2d33f22c3afd48310