[INFO] fetching crate libp2p-swarm 0.26.0...
[INFO] testing libp2p-swarm-0.26.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libp2p-swarm 0.26.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libp2p-swarm 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-swarm 0.26.0
[INFO] finished tweaking crates.io crate libp2p-swarm 0.26.0
[INFO] tweaked toml for crates.io crate libp2p-swarm 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] c8091df87ade6754c8b2bde734a9a923dc9962ce799bb41b2df6ac185b32ab77
[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" "c8091df87ade6754c8b2bde734a9a923dc9962ce799bb41b2df6ac185b32ab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8091df87ade6754c8b2bde734a9a923dc9962ce799bb41b2df6ac185b32ab77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8091df87ade6754c8b2bde734a9a923dc9962ce799bb41b2df6ac185b32ab77", kill_on_drop: false }`
[INFO] [stdout] c8091df87ade6754c8b2bde734a9a923dc9962ce799bb41b2df6ac185b32ab77
[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] 2446164b9a229e9dd07614048fdea6714a20f3e531b132761bbb39952d1798ad
[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" "2446164b9a229e9dd07614048fdea6714a20f3e531b132761bbb39952d1798ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling parity-multiaddr v0.10.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling libp2p-core v0.26.0
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling multistream-select v0.9.1
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling libp2p-swarm v0.26.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "2446164b9a229e9dd07614048fdea6714a20f3e531b132761bbb39952d1798ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2446164b9a229e9dd07614048fdea6714a20f3e531b132761bbb39952d1798ad", kill_on_drop: false }`
[INFO] [stdout] 2446164b9a229e9dd07614048fdea6714a20f3e531b132761bbb39952d1798ad
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f76214be87869dd45b63e8a5c20418b7ec3d2ec7af35626987f9dccbf14e69c
[INFO] running `Command { std: "docker" "start" "-a" "5f76214be87869dd45b63e8a5c20418b7ec3d2ec7af35626987f9dccbf14e69c", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling libp2p-swarm v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libp2p_noise`
[INFO] [stdout]     --> src/lib.rs:1130:9
[INFO] [stdout]      |
[INFO] [stdout] 1130 |     use libp2p_noise as noise;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^ no external crate `libp2p_noise`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libp2p_mplex`
[INFO] [stdout]     --> src/lib.rs:1145:24
[INFO] [stdout]      |
[INFO] [stdout] 1145 |             .multiplex(libp2p_mplex::MplexConfig::new())
[INFO] [stdout]      |                        ^^^^^^^^^^^^ use of undeclared crate or module `libp2p_mplex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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-swarm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5f76214be87869dd45b63e8a5c20418b7ec3d2ec7af35626987f9dccbf14e69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f76214be87869dd45b63e8a5c20418b7ec3d2ec7af35626987f9dccbf14e69c", kill_on_drop: false }`
[INFO] [stdout] 5f76214be87869dd45b63e8a5c20418b7ec3d2ec7af35626987f9dccbf14e69c