[INFO] cloning repository https://github.com/tomusdrw/sub0-offchain-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomusdrw/sub0-offchain-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Fsub0-offchain-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Fsub0-offchain-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb464a3a7581e08522c0d1cccb50250a37a93dad
[INFO] checking tomusdrw/sub0-offchain-workshop against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Fsub0-offchain-workshop" "/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/tomusdrw/sub0-offchain-workshop on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomusdrw/sub0-offchain-workshop
[INFO] finished tweaking git repo https://github.com/tomusdrw/sub0-offchain-workshop
[INFO] tweaked toml for git repo https://github.com/tomusdrw/sub0-offchain-workshop written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tomusdrw/sub0-offchain-workshop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ab2a86f18415b7e2a2d4c08b181f470a40b290792ccb0e6d2f99a2727a1a0d
[INFO] running `Command { std: "docker" "start" "-a" "f1ab2a86f18415b7e2a2d4c08b181f470a40b290792ccb0e6d2f99a2727a1a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ab2a86f18415b7e2a2d4c08b181f470a40b290792ccb0e6d2f99a2727a1a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ab2a86f18415b7e2a2d4c08b181f470a40b290792ccb0e6d2f99a2727a1a0d", kill_on_drop: false }`
[INFO] [stdout] f1ab2a86f18415b7e2a2d4c08b181f470a40b290792ccb0e6d2f99a2727a1a0d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e13a22112153868d470a3ca9ae8065a0e2c64ea06e61d4cd85e44bde4eb2fc6
[INFO] running `Command { std: "docker" "start" "-a" "9e13a22112153868d470a3ca9ae8065a0e2c64ea06e61d4cd85e44bde4eb2fc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking byte-slice-cast v0.3.4
[INFO] [stderr]     Checking sp-std v2.0.0 (/opt/rustwide/workdir/primitives/std)
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking environmental v1.0.2
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.57
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bumpalo v3.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.57
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking nohash-hasher v0.1.2
[INFO] [stderr]     Checking ipnet v2.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]     Checking parity-bytes v0.1.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.4 (/opt/rustwide/workdir/utils/wasm-builder-runner)
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0 (/opt/rustwide/workdir/client/consensus/slots)
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.50.0
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0 (/opt/rustwide/workdir/utils/build-script-utils)
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]    Compiling wasmtime-environ v0.8.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]     Checking wasmparser v0.39.3
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking substrate-test-utils v2.0.0 (/opt/rustwide/workdir/test-utils)
[INFO] [stderr]     Checking send_wrapper v0.3.0
[INFO] [stderr]    Compiling chain-spec-builder v2.0.0 (/opt/rustwide/workdir/bin/utils/chain-spec-builder)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling substrate-test-runtime v2.0.0 (/opt/rustwide/workdir/test-utils/runtime)
[INFO] [stderr]    Compiling node-runtime v2.0.0 (/opt/rustwide/workdir/bin/node/runtime)
[INFO] [stderr]    Compiling sp-runtime-interface-test-wasm v2.0.0 (/opt/rustwide/workdir/primitives/runtime-interface/test-wasm)
[INFO] [stderr]    Compiling node-template-runtime v2.0.0 (/opt/rustwide/workdir/bin/node-template/runtime)
[INFO] [stderr]    Compiling sc-runtime-test v2.0.0 (/opt/rustwide/workdir/client/executor/runtime-test)
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking semver v0.6.0
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling test-case v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tracing-core v0.1.7
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling wasmi-validation v0.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/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="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=4055627397d2cec7 -C extra-filename=-4055627397d2cec7 --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" "9e13a22112153868d470a3ca9ae8065a0e2c64ea06e61d4cd85e44bde4eb2fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e13a22112153868d470a3ca9ae8065a0e2c64ea06e61d4cd85e44bde4eb2fc6", kill_on_drop: false }`
[INFO] [stdout] 9e13a22112153868d470a3ca9ae8065a0e2c64ea06e61d4cd85e44bde4eb2fc6