[INFO] fetching crate libp2p 0.38.0...
[INFO] checking libp2p-0.38.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate libp2p 0.38.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate libp2p 0.38.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p 0.38.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libp2p 0.38.0
[INFO] tweaked toml for crates.io crate libp2p 0.38.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate libp2p 0.38.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b9b5c29ee4fc1f088fce4d50b0109d03f3ec2704b86ddde13f8c6d6797f78e
[INFO] running `Command { std: "docker" "start" "-a" "d0b9b5c29ee4fc1f088fce4d50b0109d03f3ec2704b86ddde13f8c6d6797f78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b9b5c29ee4fc1f088fce4d50b0109d03f3ec2704b86ddde13f8c6d6797f78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b9b5c29ee4fc1f088fce4d50b0109d03f3ec2704b86ddde13f8c6d6797f78e", kill_on_drop: false }`
[INFO] [stdout] d0b9b5c29ee4fc1f088fce4d50b0109d03f3ec2704b86ddde13f8c6d6797f78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f69876dab99d4a58a893f91d8727daf605e92523c2d155be489f37dbbc74de0
[INFO] running `Command { std: "docker" "start" "-a" "8f69876dab99d4a58a893f91d8727daf605e92523c2d155be489f37dbbc74de0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
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[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling typenum v1.13.0
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[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling tempfile v3.2.0
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[INFO] [stderr]     Checking webpki v0.21.4
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[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling minicbor-derive v0.6.3
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.23.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking if-watch v0.2.2
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="bilock"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --cfg 'feature="unstable"' -C metadata=aa21579e90ae8a8e -C extra-filename=-aa21579e90ae8a8e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-06a7d81e265572c1.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-fdcba6e842a7961b.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-25a7ecd2e793be62.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-ce86f5fd5ef592cd.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-062f7e0ed54f0c5d.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-2b16899b82db4242.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-71464e97bff82454.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-8a6f2262e15733f6.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-63629f8016b5d6f6.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-a2253b72c5eeb833.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-920ce585016515d8.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-2a8784275d25ee35.rmeta --cap-lints allow --cap-lints=forbid --cfg fn_like_proc_macro` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8f69876dab99d4a58a893f91d8727daf605e92523c2d155be489f37dbbc74de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f69876dab99d4a58a893f91d8727daf605e92523c2d155be489f37dbbc74de0", kill_on_drop: false }`
[INFO] [stdout] 8f69876dab99d4a58a893f91d8727daf605e92523c2d155be489f37dbbc74de0