[INFO] fetching crate libp2p-core 0.26.0...
[INFO] testing libp2p-core-0.26.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libp2p-core 0.26.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libp2p-core 0.26.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-core 0.26.0
[INFO] finished tweaking crates.io crate libp2p-core 0.26.0
[INFO] tweaked toml for crates.io crate libp2p-core 0.26.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06fe48593c65c01973ada957f1538f38996bfa462386fd30775c1582ce97cfcd
[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" "06fe48593c65c01973ada957f1538f38996bfa462386fd30775c1582ce97cfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06fe48593c65c01973ada957f1538f38996bfa462386fd30775c1582ce97cfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fe48593c65c01973ada957f1538f38996bfa462386fd30775c1582ce97cfcd", kill_on_drop: false }`
[INFO] [stdout] 06fe48593c65c01973ada957f1538f38996bfa462386fd30775c1582ce97cfcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e98ccd3d1732282552b3d1cc221c812073265d7254d41d5c5442f434c70dd296
[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" "e98ccd3d1732282552b3d1cc221c812073265d7254d41d5c5442f434c70dd296", kill_on_drop: false }`
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling libp2p-core v0.26.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling multistream-select v0.9.1
[INFO] [stderr]    Compiling parity-multiaddr v0.10.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "e98ccd3d1732282552b3d1cc221c812073265d7254d41d5c5442f434c70dd296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98ccd3d1732282552b3d1cc221c812073265d7254d41d5c5442f434c70dd296", kill_on_drop: false }`
[INFO] [stdout] e98ccd3d1732282552b3d1cc221c812073265d7254d41d5c5442f434c70dd296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98bec54215cc345efdf76aa8c5d80509683e116d328f4f49fcdc6fc0357075dd
[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" "98bec54215cc345efdf76aa8c5d80509683e116d328f4f49fcdc6fc0357075dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling libp2p-core v0.26.0 (/opt/rustwide/workdir)
[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_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] [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 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] 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" "98bec54215cc345efdf76aa8c5d80509683e116d328f4f49fcdc6fc0357075dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bec54215cc345efdf76aa8c5d80509683e116d328f4f49fcdc6fc0357075dd", kill_on_drop: false }`
[INFO] [stdout] 98bec54215cc345efdf76aa8c5d80509683e116d328f4f49fcdc6fc0357075dd