[INFO] cloning repository https://github.com/AIDXNZ/rust-crdt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AIDXNZ/rust-crdt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAIDXNZ%2Frust-crdt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAIDXNZ%2Frust-crdt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc93c8001a63b6dee22358659e1a6fa61fb222fa
[INFO] checking AIDXNZ/rust-crdt against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAIDXNZ%2Frust-crdt" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AIDXNZ/rust-crdt 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 git repo https://github.com/AIDXNZ/rust-crdt
[INFO] finished tweaking git repo https://github.com/AIDXNZ/rust-crdt
[INFO] tweaked toml for git repo https://github.com/AIDXNZ/rust-crdt written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/AIDXNZ/rust-crdt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-attributes v0.1.7
[INFO] [stderr]   Downloaded tower-limit v0.3.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded parity-multiaddr v0.7.3
[INFO] [stderr]   Downloaded futures_codec v0.3.4
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded soketto v0.3.2
[INFO] [stderr]   Downloaded tonic v0.1.1
[INFO] [stderr]   Downloaded parity-multihash v0.2.3
[INFO] [stderr]   Downloaded data-encoding v2.2.0
[INFO] [stderr]   Downloaded tracing v0.1.13
[INFO] [stderr]   Downloaded tracing-futures v0.2.3
[INFO] [stderr]   Downloaded snow v0.6.2
[INFO] [stderr]   Downloaded curve25519-dalek v2.0.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.16.0
[INFO] [stderr]   Downloaded libp2p-dns v0.16.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.16.0
[INFO] [stderr]   Downloaded libp2p-identify v0.16.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.16.2
[INFO] [stderr]   Downloaded libp2p-tcp v0.16.0
[INFO] [stderr]   Downloaded quicksink v0.1.1
[INFO] [stderr]   Downloaded libp2p-floodsub v0.16.0
[INFO] [stderr]   Downloaded libp2p-uds v0.16.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.16.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.16.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.16.0
[INFO] [stderr]   Downloaded uint v0.8.2
[INFO] [stderr]   Downloaded multistream-select v0.7.0
[INFO] [stderr]   Downloaded libp2p-noise v0.16.2
[INFO] [stderr]   Downloaded libp2p-ping v0.16.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.16.0
[INFO] [stderr]   Downloaded libp2p-secio v0.16.1
[INFO] [stderr]   Downloaded libp2p v0.16.2
[INFO] [stderr]   Downloaded libp2p-swarm v0.16.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.13.0
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded unsigned-varint v0.3.2
[INFO] [stderr]   Downloaded crdts v2.0.0
[INFO] [stderr]   Downloaded libp2p-kad v0.16.2
[INFO] [stderr]   Downloaded yamux v0.4.5
[INFO] [stderr]   Downloaded libp2p-core v0.16.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.16.2
[INFO] [stderr]   Downloaded protobuf v2.13.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.16.0
[INFO] [stderr]   Downloaded protoc v2.13.0
[INFO] [stderr]   Downloaded libp2p-pnet v0.16.0
[INFO] [stderr]   Downloaded grpcio-compiler v0.5.0
[INFO] [stderr]   Downloaded protoc-grpcio v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 16cc83c1931f2b99cdc947109459493af9f0cec9e789e108b357cabc097c2507
[INFO] running `Command { std: "docker" "start" "-a" "16cc83c1931f2b99cdc947109459493af9f0cec9e789e108b357cabc097c2507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16cc83c1931f2b99cdc947109459493af9f0cec9e789e108b357cabc097c2507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cc83c1931f2b99cdc947109459493af9f0cec9e789e108b357cabc097c2507", kill_on_drop: false }`
[INFO] [stdout] 16cc83c1931f2b99cdc947109459493af9f0cec9e789e108b357cabc097c2507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56c4f340707f92158c06f7db70d4f7074df72be9e23d67a2d7e5bc3ae4d6e0a
[INFO] running `Command { std: "docker" "start" "-a" "b56c4f340707f92158c06f7db70d4f7074df72be9e23d67a2d7e5bc3ae4d6e0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.59
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.59
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.29/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="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=d5fdc7a839c9f384 -C extra-filename=-d5fdc7a839c9f384 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "b56c4f340707f92158c06f7db70d4f7074df72be9e23d67a2d7e5bc3ae4d6e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56c4f340707f92158c06f7db70d4f7074df72be9e23d67a2d7e5bc3ae4d6e0a", kill_on_drop: false }`
[INFO] [stdout] b56c4f340707f92158c06f7db70d4f7074df72be9e23d67a2d7e5bc3ae4d6e0a