[INFO] fetching crate pallet-ibc 2.0.0-pre.2...
[INFO] testing pallet-ibc-2.0.0-pre.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pallet-ibc 2.0.0-pre.2 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate pallet-ibc 2.0.0-pre.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-ibc 2.0.0-pre.2
[INFO] finished tweaking crates.io crate pallet-ibc 2.0.0-pre.2
[INFO] tweaked toml for crates.io crate pallet-ibc 2.0.0-pre.2 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 sp-finality-grandpa v2.0.1
[INFO] [stderr]   Downloaded finality-grandpa v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d7350226960acfb3e6767a9ed676dfde73c9dbc309c5b402b6841bacd29ed7
[INFO] running `Command { std: "docker" "start" "-a" "64d7350226960acfb3e6767a9ed676dfde73c9dbc309c5b402b6841bacd29ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d7350226960acfb3e6767a9ed676dfde73c9dbc309c5b402b6841bacd29ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d7350226960acfb3e6767a9ed676dfde73c9dbc309c5b402b6841bacd29ed7", kill_on_drop: false }`
[INFO] [stdout] 64d7350226960acfb3e6767a9ed676dfde73c9dbc309c5b402b6841bacd29ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8b8ce230c7794fa7d4bdb7aa7a8864db9d4233f20a32e267f7fe42d7c3d0e8
[INFO] running `Command { std: "docker" "start" "-a" "ff8b8ce230c7794fa7d4bdb7aa7a8864db9d4233f20a32e267f7fe42d7c3d0e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling sp-std v2.0.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling environmental v1.1.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bitmask v0.5.0
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling bitvec v0.17.4
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-wasm-0.41.0/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="std"' -C metadata=055603bfb1e40218 -C extra-filename=-055603bfb1e40218 --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" "ff8b8ce230c7794fa7d4bdb7aa7a8864db9d4233f20a32e267f7fe42d7c3d0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8b8ce230c7794fa7d4bdb7aa7a8864db9d4233f20a32e267f7fe42d7c3d0e8", kill_on_drop: false }`
[INFO] [stdout] ff8b8ce230c7794fa7d4bdb7aa7a8864db9d4233f20a32e267f7fe42d7c3d0e8