[INFO] fetching crate aquatic_ws_protocol 0.1.0...
[INFO] checking aquatic_ws_protocol-0.1.0 against try#506dff8de9f54f528028a7e4497ea925a4f3e19e for pr-94295
[INFO] extracting crate aquatic_ws_protocol 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate aquatic_ws_protocol 0.1.0 on toolchain 506dff8de9f54f528028a7e4497ea925a4f3e19e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aquatic_ws_protocol 0.1.0
[INFO] finished tweaking crates.io crate aquatic_ws_protocol 0.1.0
[INFO] tweaked toml for crates.io crate aquatic_ws_protocol 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "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 halfbrown v0.1.12
[INFO] [stderr]   Downloaded value-trait v0.1.23
[INFO] [stderr]   Downloaded simd-json v0.3.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e4f5a189bcd4f7c6ad7f3b33410d64ec080f536ea78335ecc107cc98c2fbee
[INFO] running `Command { std: "docker" "start" "-a" "35e4f5a189bcd4f7c6ad7f3b33410d64ec080f536ea78335ecc107cc98c2fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e4f5a189bcd4f7c6ad7f3b33410d64ec080f536ea78335ecc107cc98c2fbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e4f5a189bcd4f7c6ad7f3b33410d64ec080f536ea78335ecc107cc98c2fbee", kill_on_drop: false }`
[INFO] [stdout] 35e4f5a189bcd4f7c6ad7f3b33410d64ec080f536ea78335ecc107cc98c2fbee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9633ad0be299cb7803fef6f1d20950d7a304aa774439ae6e5e4df118dad94723
[INFO] running `Command { std: "docker" "start" "-a" "9633ad0be299cb7803fef6f1d20950d7a304aa774439ae6e5e4df118dad94723", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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" "9633ad0be299cb7803fef6f1d20950d7a304aa774439ae6e5e4df118dad94723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9633ad0be299cb7803fef6f1d20950d7a304aa774439ae6e5e4df118dad94723", kill_on_drop: false }`
[INFO] [stdout] 9633ad0be299cb7803fef6f1d20950d7a304aa774439ae6e5e4df118dad94723