[INFO] fetching crate libp2p-swarm 0.18.1...
[INFO] testing libp2p-swarm-0.18.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate libp2p-swarm 0.18.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libp2p-swarm 0.18.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libp2p-swarm 0.18.1
[INFO] finished tweaking crates.io crate libp2p-swarm 0.18.1
[INFO] tweaked toml for crates.io crate libp2p-swarm 0.18.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8304418c526a8241c7550154dff74e023b5144733228fff75eaab456eb82db34
[INFO] running `"docker" "start" "-a" "8304418c526a8241c7550154dff74e023b5144733228fff75eaab456eb82db34"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bs58 v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling futures_codec v0.3.4
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.4
[INFO] [stderr]    Compiling unsigned-varint v0.3.3
[INFO] [stderr]    Compiling multihash v0.10.1
[INFO] [stderr]    Compiling multistream-select v0.8.0
[INFO] [stderr]    Compiling parity-multiaddr v0.8.0
[INFO] [stderr]    Compiling libp2p-core v0.18.0
[INFO] [stderr]    Compiling libp2p-swarm v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `"docker" "inspect" "8304418c526a8241c7550154dff74e023b5144733228fff75eaab456eb82db34"`
[INFO] running `"docker" "rm" "-f" "8304418c526a8241c7550154dff74e023b5144733228fff75eaab456eb82db34"`
[INFO] [stdout] 8304418c526a8241c7550154dff74e023b5144733228fff75eaab456eb82db34
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 188efed7556a6a73f6cd9e8af101141182a5295f452cbe1952d504fdcafd5aab
[INFO] running `"docker" "start" "-a" "188efed7556a6a73f6cd9e8af101141182a5295f452cbe1952d504fdcafd5aab"`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling libp2p-mplex v0.18.0
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling libp2p-swarm v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `"docker" "inspect" "188efed7556a6a73f6cd9e8af101141182a5295f452cbe1952d504fdcafd5aab"`
[INFO] running `"docker" "rm" "-f" "188efed7556a6a73f6cd9e8af101141182a5295f452cbe1952d504fdcafd5aab"`
[INFO] [stdout] 188efed7556a6a73f6cd9e8af101141182a5295f452cbe1952d504fdcafd5aab
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b66b83234e6cc76f6140cc155ad9d6014f0d1ef51465091dd73e2ffddbff3f7f
[INFO] running `"docker" "start" "-a" "b66b83234e6cc76f6140cc155ad9d6014f0d1ef51465091dd73e2ffddbff3f7f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libp2p_swarm-0bc78cb6c7b0dc3a
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test registry::tests::old_reports_disappear ... ok
[INFO] [stdout] test tests::test_build_swarm ... ok
[INFO] [stdout] test tests::test_build_swarm_with_max_listeners_none ... ok
[INFO] [stdout] test registry::tests::isort_sorts ... ok
[INFO] [stdout] test registry::tests::record_score_equals_last_n_reports ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libp2p-swarm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b66b83234e6cc76f6140cc155ad9d6014f0d1ef51465091dd73e2ffddbff3f7f"`
[INFO] running `"docker" "rm" "-f" "b66b83234e6cc76f6140cc155ad9d6014f0d1ef51465091dd73e2ffddbff3f7f"`
[INFO] [stdout] b66b83234e6cc76f6140cc155ad9d6014f0d1ef51465091dd73e2ffddbff3f7f