[INFO] fetching crate libp2p-bitswap 0.19.0...
[INFO] testing libp2p-bitswap-0.19.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate libp2p-bitswap 0.19.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate libp2p-bitswap 0.19.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-bitswap 0.19.0
[INFO] finished tweaking crates.io crate libp2p-bitswap 0.19.0
[INFO] tweaked toml for crates.io crate libp2p-bitswap 0.19.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391ab978ed1293d4cad46e19e34bf9971df08406eabe5889b7a92bee0255d2bb
[INFO] running `Command { std: "docker" "start" "-a" "391ab978ed1293d4cad46e19e34bf9971df08406eabe5889b7a92bee0255d2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391ab978ed1293d4cad46e19e34bf9971df08406eabe5889b7a92bee0255d2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391ab978ed1293d4cad46e19e34bf9971df08406eabe5889b7a92bee0255d2bb", kill_on_drop: false }`
[INFO] [stdout] 391ab978ed1293d4cad46e19e34bf9971df08406eabe5889b7a92bee0255d2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa1c9ff3453abdbd8253f6b8495bd38bd5284c8d53650f7d8902358b7c9db67a
[INFO] running `Command { std: "docker" "start" "-a" "aa1c9ff3453abdbd8253f6b8495bd38bd5284c8d53650f7d8902358b7c9db67a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling asn1_der v0.7.4
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling libp2p-bitswap v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling aead v0.4.3
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling cached v0.23.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling aes v0.7.5
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling salsa20 v0.8.1
[INFO] [stderr]    Compiling polyval v0.5.3
[INFO] [stderr]    Compiling poly1305 v0.7.2
[INFO] [stderr]    Compiling hmac-drbg v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-core v0.2.2
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling ghash v0.4.4
[INFO] [stderr]    Compiling aes-gcm v0.9.4
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling cuckoofilter v0.5.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.24.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling chacha20 v0.7.3
[INFO] [stderr] error: could not compile `prost-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name prost_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=59a949234c7651eb -C extra-filename=-59a949234c7651eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a6de331f7eb7ef5b.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-634a5be5d56913f3.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2df31d0041d1d3b2.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7b4f7da471354067.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-b194d656581099d7.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (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" "aa1c9ff3453abdbd8253f6b8495bd38bd5284c8d53650f7d8902358b7c9db67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1c9ff3453abdbd8253f6b8495bd38bd5284c8d53650f7d8902358b7c9db67a", kill_on_drop: false }`
[INFO] [stdout] aa1c9ff3453abdbd8253f6b8495bd38bd5284c8d53650f7d8902358b7c9db67a