[INFO] fetching crate hypercore-protocol 0.3.1...
[INFO] checking hypercore-protocol-0.3.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate hypercore-protocol 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hypercore-protocol 0.3.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypercore-protocol 0.3.1
[INFO] finished tweaking crates.io crate hypercore-protocol 0.3.1
[INFO] tweaked toml for crates.io crate hypercore-protocol 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hypercore-protocol 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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 polling v2.0.2
[INFO] [stderr]   Downloaded blake2 v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.21
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded tinytemplate v1.2.0
[INFO] [stderr]   Downloaded block-cipher v0.8.0
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded salsa20 v0.6.0
[INFO] [stderr]   Downloaded sluice v0.5.4
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded pretty-bytes v0.2.2
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded signal-hook v0.3.6
[INFO] [stderr]   Downloaded stream-cipher v0.7.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.5
[INFO] [stderr]   Downloaded random-access-storage v4.0.0
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded aes-soft v0.5.0
[INFO] [stderr]   Downloaded aes-gcm v0.7.0
[INFO] [stderr]   Downloaded chacha20 v0.5.0
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded snow v0.7.2
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded aesni v0.8.0
[INFO] [stderr]   Downloaded aes v0.5.0
[INFO] [stderr]   Downloaded poly1305 v0.6.2
[INFO] [stderr]   Downloaded chacha20poly1305 v0.6.0
[INFO] [stderr]   Downloaded duplexify v1.2.2
[INFO] [stderr]   Downloaded random-access-disk v2.0.0
[INFO] [stderr]   Downloaded libc v0.2.87
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded random-access-memory v2.0.0
[INFO] [stderr]   Downloaded varinteger v1.0.6
[INFO] [stderr]   Downloaded pretty-hash v0.4.1
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53a5f97538bb57c8277ffc01f5cce4f2be576e0e8995e52d9f0c061c6a02f1b9
[INFO] running `Command { std: "docker" "start" "-a" "53a5f97538bb57c8277ffc01f5cce4f2be576e0e8995e52d9f0c061c6a02f1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a5f97538bb57c8277ffc01f5cce4f2be576e0e8995e52d9f0c061c6a02f1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a5f97538bb57c8277ffc01f5cce4f2be576e0e8995e52d9f0c061c6a02f1b9", kill_on_drop: false }`
[INFO] [stdout] 53a5f97538bb57c8277ffc01f5cce4f2be576e0e8995e52d9f0c061c6a02f1b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c8a01a8e24882cd9a3ddb475c08d63f9ee1cb7ba26d99f27e4e5a6596a60ce
[INFO] running `Command { std: "docker" "start" "-a" "86c8a01a8e24882cd9a3ddb475c08d63f9ee1cb7ba26d99f27e4e5a6596a60ce", 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]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking pin-project-lite v0.2.5
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking varinteger v1.0.6
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling heck v0.3.2
[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-0.6.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=7e4751b993abafcb -C extra-filename=-7e4751b993abafcb --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" "86c8a01a8e24882cd9a3ddb475c08d63f9ee1cb7ba26d99f27e4e5a6596a60ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c8a01a8e24882cd9a3ddb475c08d63f9ee1cb7ba26d99f27e4e5a6596a60ce", kill_on_drop: false }`
[INFO] [stdout] 86c8a01a8e24882cd9a3ddb475c08d63f9ee1cb7ba26d99f27e4e5a6596a60ce