[INFO] cloning repository https://github.com/spencerbh/UTXOworkshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spencerbh/UTXOworkshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerbh%2FUTXOworkshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerbh%2FUTXOworkshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1b1ceb409425a52c20f2b43dd6c17f08a1b6568
[INFO] testing spencerbh/UTXOworkshop against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerbh%2FUTXOworkshop" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spencerbh/UTXOworkshop 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/spencerbh/UTXOworkshop
[INFO] finished tweaking git repo https://github.com/spencerbh/UTXOworkshop
[INFO] tweaked toml for git repo https://github.com/spencerbh/UTXOworkshop written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/spencerbh/UTXOworkshop 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] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a580eb809a812c61f17c9f0905a28d04e820811162ceadcc0b140cd6371e3260
[INFO] running `Command { std: "docker" "start" "-a" "a580eb809a812c61f17c9f0905a28d04e820811162ceadcc0b140cd6371e3260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a580eb809a812c61f17c9f0905a28d04e820811162ceadcc0b140cd6371e3260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a580eb809a812c61f17c9f0905a28d04e820811162ceadcc0b140cd6371e3260", kill_on_drop: false }`
[INFO] [stdout] a580eb809a812c61f17c9f0905a28d04e820811162ceadcc0b140cd6371e3260
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3954e6972030ab277c9765896561cb59f7091cb8c821b0f061803283993819d9
[INFO] running `Command { std: "docker" "start" "-a" "3954e6972030ab277c9765896561cb59f7091cb8c821b0f061803283993819d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling futures-core v0.3.11
[INFO] [stderr]    Compiling futures-io v0.3.11
[INFO] [stderr]    Compiling futures-sink v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling sp-std v2.0.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling arc-swap v1.2.0
[INFO] [stderr]    Compiling retain_mut v0.1.2
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling wast v31.0.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.1
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling futures-channel v0.3.11
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr] error: could not compile `parity-wasm`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name parity_wasm /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-wasm-0.32.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=3fc2c1c965592de5 -C extra-filename=-3fc2c1c965592de5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e84fc4e8f4427176.rmeta --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" "3954e6972030ab277c9765896561cb59f7091cb8c821b0f061803283993819d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3954e6972030ab277c9765896561cb59f7091cb8c821b0f061803283993819d9", kill_on_drop: false }`
[INFO] [stdout] 3954e6972030ab277c9765896561cb59f7091cb8c821b0f061803283993819d9