[INFO] cloning repository https://github.com/ianhe8x/sturdy-parakeet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianhe8x/sturdy-parakeet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhe8x%2Fsturdy-parakeet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhe8x%2Fsturdy-parakeet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a895b1b3c7f07554cf1de7c98bcf152f3080fd2e
[INFO] checking ianhe8x/sturdy-parakeet against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianhe8x%2Fsturdy-parakeet" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianhe8x/sturdy-parakeet on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianhe8x/sturdy-parakeet
[INFO] finished tweaking git repo https://github.com/ianhe8x/sturdy-parakeet
[INFO] tweaked toml for git repo https://github.com/ianhe8x/sturdy-parakeet written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ianhe8x/sturdy-parakeet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92f4a2c44d45e1026d9ff463ba3ef2a7b1861d4fd0dccb1f79980b2d483e71e4
[INFO] running `Command { std: "docker" "start" "-a" "92f4a2c44d45e1026d9ff463ba3ef2a7b1861d4fd0dccb1f79980b2d483e71e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f4a2c44d45e1026d9ff463ba3ef2a7b1861d4fd0dccb1f79980b2d483e71e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f4a2c44d45e1026d9ff463ba3ef2a7b1861d4fd0dccb1f79980b2d483e71e4", kill_on_drop: false }`
[INFO] [stdout] 92f4a2c44d45e1026d9ff463ba3ef2a7b1861d4fd0dccb1f79980b2d483e71e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9fe182f44cd1fb079ccedfd15837e0acafab255ac3bd3337e0e53e40d81c0e3
[INFO] running `Command { std: "docker" "start" "-a" "c9fe182f44cd1fb079ccedfd15837e0acafab255ac3bd3337e0e53e40d81c0e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking sp-std v2.0.0
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.2.1
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v2.0.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking wast v21.0.0
[INFO] [stderr]     Checking concurrent-queue v1.1.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking target-lexicon v0.10.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking async-channel v1.1.1
[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-0.6.18/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="unicode"' --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=0bf2c0c5f07aac96 -C extra-filename=-0bf2c0c5f07aac96 --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" "c9fe182f44cd1fb079ccedfd15837e0acafab255ac3bd3337e0e53e40d81c0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fe182f44cd1fb079ccedfd15837e0acafab255ac3bd3337e0e53e40d81c0e3", kill_on_drop: false }`
[INFO] [stdout] c9fe182f44cd1fb079ccedfd15837e0acafab255ac3bd3337e0e53e40d81c0e3