[INFO] cloning repository https://github.com/kmadorin/encode-polkadot-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmadorin/encode-polkadot-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmadorin%2Fencode-polkadot-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmadorin%2Fencode-polkadot-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7183d11e2df7804ff11dde6fd7b7fca721fe70c9
[INFO] building kmadorin/encode-polkadot-challenges against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmadorin%2Fencode-polkadot-challenges" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmadorin/encode-polkadot-challenges on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kmadorin/encode-polkadot-challenges
[INFO] finished tweaking git repo https://github.com/kmadorin/encode-polkadot-challenges
[INFO] tweaked toml for git repo https://github.com/kmadorin/encode-polkadot-challenges written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kmadorin/encode-polkadot-challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925d6b442d6495c61c798dfacd1901c1517ddaf1a9836fe30c06471f0a2e47cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "925d6b442d6495c61c798dfacd1901c1517ddaf1a9836fe30c06471f0a2e47cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925d6b442d6495c61c798dfacd1901c1517ddaf1a9836fe30c06471f0a2e47cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925d6b442d6495c61c798dfacd1901c1517ddaf1a9836fe30c06471f0a2e47cd", kill_on_drop: false }`
[INFO] [stdout] 925d6b442d6495c61c798dfacd1901c1517ddaf1a9836fe30c06471f0a2e47cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] 3b76c7c42dcfe0335e4adc94dd6d7ef58fe6536c4fe7b177c0594ae4baf6c1ab
[INFO] running `Command { std: "docker" "start" "-a" "3b76c7c42dcfe0335e4adc94dd6d7ef58fe6536c4fe7b177c0594ae4baf6c1ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling wasmi-validation v0.3.0
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling wast v31.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.1
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr] error: could not compile `data-encoding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name data_encoding --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/data-encoding-2.3.1/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="alloc"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=dcae93a977e836ac -C extra-filename=-dcae93a977e836ac --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "3b76c7c42dcfe0335e4adc94dd6d7ef58fe6536c4fe7b177c0594ae4baf6c1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b76c7c42dcfe0335e4adc94dd6d7ef58fe6536c4fe7b177c0594ae4baf6c1ab", kill_on_drop: false }`
[INFO] [stdout] 3b76c7c42dcfe0335e4adc94dd6d7ef58fe6536c4fe7b177c0594ae4baf6c1ab
