[INFO] fetching crate libp2p-core 0.28.3...
[INFO] testing libp2p-core-0.28.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate libp2p-core 0.28.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libp2p-core 0.28.3 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-core 0.28.3
[INFO] finished tweaking crates.io crate libp2p-core 0.28.3
[INFO] tweaked toml for crates.io crate libp2p-core 0.28.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd6e068d629180119b1c37c661edf88db0555bee615a477e5921475578469e1
[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" "9bd6e068d629180119b1c37c661edf88db0555bee615a477e5921475578469e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd6e068d629180119b1c37c661edf88db0555bee615a477e5921475578469e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd6e068d629180119b1c37c661edf88db0555bee615a477e5921475578469e1", kill_on_drop: false }`
[INFO] [stdout] 9bd6e068d629180119b1c37c661edf88db0555bee615a477e5921475578469e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9768601e40cf0cd708c81b891d4a84cde14f2dc709752cbb428e1e7f0c5d01d4
[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" "9768601e40cf0cd708c81b891d4a84cde14f2dc709752cbb428e1e7f0c5d01d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libp2p-core v0.28.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "9768601e40cf0cd708c81b891d4a84cde14f2dc709752cbb428e1e7f0c5d01d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9768601e40cf0cd708c81b891d4a84cde14f2dc709752cbb428e1e7f0c5d01d4", kill_on_drop: false }`
[INFO] [stdout] 9768601e40cf0cd708c81b891d4a84cde14f2dc709752cbb428e1e7f0c5d01d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 424628d1226baf51ec94689738c353f2b007163f2ea2284ce177d7afc749d2c3
[INFO] running `Command { std: "docker" "start" "-a" "424628d1226baf51ec94689738c353f2b007163f2ea2284ce177d7afc749d2c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling parity-multiaddr v0.11.2
[INFO] [stderr]    Compiling libp2p-core v0.28.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stdout] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stdout]   --> tests/util.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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/util.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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/util.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libp2p_tcp as tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stdout]   --> tests/util.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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/util.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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/util.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libp2p_tcp as tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]  --> tests/util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Transport,
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-core`
[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] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stdout]   --> tests/util.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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/util.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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/util.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libp2p_tcp as tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stdout]   --> tests/util.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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/util.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use libp2p_noise as noise;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_noise`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]  --> tests/util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Transport,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]  --> tests/util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Transport,
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_tcp`
[INFO] [stdout]   --> tests/util.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libp2p_tcp as tcp;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no external crate `libp2p_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_mplex`
[INFO] [stdout]   --> tests/transport_upgrade.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use libp2p_mplex::MplexConfig;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared crate or module `libp2p_mplex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libp2p_noise`
[INFO] [stdout]   --> tests/transport_upgrade.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use libp2p_noise as noise;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_noise`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transport`
[INFO] [stdout]  --> tests/util.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Transport,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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: build failed
[INFO] running `Command { std: "docker" "inspect" "424628d1226baf51ec94689738c353f2b007163f2ea2284ce177d7afc749d2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424628d1226baf51ec94689738c353f2b007163f2ea2284ce177d7afc749d2c3", kill_on_drop: false }`
[INFO] [stdout] 424628d1226baf51ec94689738c353f2b007163f2ea2284ce177d7afc749d2c3