[INFO] cloning repository https://github.com/SubstrateDevAcademy/v1-exercise-4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SubstrateDevAcademy/v1-exercise-4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSubstrateDevAcademy%2Fv1-exercise-4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSubstrateDevAcademy%2Fv1-exercise-4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2033c04bacc91f0e125dd70e67b7200209b1cd0
[INFO] testing SubstrateDevAcademy/v1-exercise-4 against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSubstrateDevAcademy%2Fv1-exercise-4" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SubstrateDevAcademy/v1-exercise-4 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SubstrateDevAcademy/v1-exercise-4
[INFO] finished tweaking git repo https://github.com/SubstrateDevAcademy/v1-exercise-4
[INFO] tweaked toml for git repo https://github.com/SubstrateDevAcademy/v1-exercise-4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SubstrateDevAcademy/v1-exercise-4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b0db329cddbda6be1ba9fa4c3372dcff105966992670c6c4ab74b8b5bf38627
[INFO] running `Command { std: "docker" "start" "-a" "6b0db329cddbda6be1ba9fa4c3372dcff105966992670c6c4ab74b8b5bf38627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b0db329cddbda6be1ba9fa4c3372dcff105966992670c6c4ab74b8b5bf38627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0db329cddbda6be1ba9fa4c3372dcff105966992670c6c4ab74b8b5bf38627", kill_on_drop: false }`
[INFO] [stdout] 6b0db329cddbda6be1ba9fa4c3372dcff105966992670c6c4ab74b8b5bf38627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc786654013503c81dc6fc4bbcd8c2c55a0e1c94ce7bfd0797969fe5d5c05a3
[INFO] running `Command { std: "docker" "start" "-a" "2cc786654013503c81dc6fc4bbcd8c2c55a0e1c94ce7bfd0797969fe5d5c05a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
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[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling stream-cipher v0.7.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling chacha20 v0.5.0
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling futures-executor v0.3.11
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling futures v0.3.11
[INFO] [stderr]    Compiling multihash v0.11.4
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling futures_codec v0.4.1
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling multistream-select v0.8.5
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling unsigned-varint v0.4.0
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling chacha20poly1305 v0.6.0
[INFO] [stderr]    Compiling aes-gcm v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling minicbor-derive v0.4.1
[INFO] [stderr]    Compiling regalloc v0.0.27
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling async-tls v0.8.0
[INFO] [stderr]    Compiling yamux v0.8.0
[INFO] [stderr]    Compiling soketto v0.4.2
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling salsa20 v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling x25519-dalek v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling lru_time_cache v0.10.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling libp2p-pnet v0.19.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling js-sys v0.3.46
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling sp-utils v2.0.1
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling minicbor v0.5.1
[INFO] [stderr]    Compiling wasmtime-runtime v0.19.0
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling parity-multiaddr v0.9.7
[INFO] [stderr]    Compiling cranelift-entity v0.66.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling lru v0.4.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.66.0
[INFO] [stderr]    Compiling cranelift-bforest v0.66.0
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.19
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.15
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling wast v31.0.0
[INFO] [stderr]    Compiling sp-serializer v2.0.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling arc-swap v1.2.0
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.1
[INFO] [stderr]    Compiling libp2p-core v0.22.1
[INFO] [stderr]    Compiling libp2p-gossipsub v0.22.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.22.0
[INFO] [stderr]    Compiling libp2p-noise v0.24.0
[INFO] [stderr] error: could not compile `h2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name h2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.2.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=195d8fed32408891 -C extra-filename=-195d8fed32408891 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5cb1d87b13df8e8c.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-41a559218f992797.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-a9eb3e79201e1478.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-7378d5cff3423c37.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-e7badea02fc81244.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-122fb0593c25b5ee.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-60b64815a04fd73e.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-de54d3b035758183.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2d0b02bf14d29ea7.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-f6e502de1e9f0b75.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-601a999e6ccecfb5.rmeta --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-8bddca144086fd2a.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: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.21.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="endian-reader"' --cfg 'feature="fallible-iterator"' --cfg 'feature="indexmap"' --cfg 'feature="read"' --cfg 'feature="stable_deref_trait"' --cfg 'feature="std"' --cfg 'feature="write"' -C metadata=63917186446e5eca -C extra-filename=-63917186446e5eca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fallible_iterator=/opt/rustwide/target/debug/deps/libfallible_iterator-c41022dd93304769.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-60b64815a04fd73e.rmeta --extern stable_deref_trait=/opt/rustwide/target/debug/deps/libstable_deref_trait-8580e937cc1ba763.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2cc786654013503c81dc6fc4bbcd8c2c55a0e1c94ce7bfd0797969fe5d5c05a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc786654013503c81dc6fc4bbcd8c2c55a0e1c94ce7bfd0797969fe5d5c05a3", kill_on_drop: false }`
[INFO] [stdout] 2cc786654013503c81dc6fc4bbcd8c2c55a0e1c94ce7bfd0797969fe5d5c05a3
