[INFO] cloning repository https://github.com/chenzongxiong/rococo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenzongxiong/rococo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzongxiong%2Frococo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzongxiong%2Frococo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49eccbd300b61890de6f1e127088e798a55ec2cd
[INFO] checking chenzongxiong/rococo against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenzongxiong%2Frococo" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
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[INFO] validating manifest of git repo https://github.com/chenzongxiong/rococo on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chenzongxiong/rococo
[INFO] finished tweaking git repo https://github.com/chenzongxiong/rococo
[INFO] tweaked toml for git repo https://github.com/chenzongxiong/rococo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/chenzongxiong/rococo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049ff832ca2e84f2e7b9e3cec44fa00dbf24c805035c0a556c62dcbd9dc3a2ca
[INFO] running `Command { std: "docker" "start" "-a" "049ff832ca2e84f2e7b9e3cec44fa00dbf24c805035c0a556c62dcbd9dc3a2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049ff832ca2e84f2e7b9e3cec44fa00dbf24c805035c0a556c62dcbd9dc3a2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049ff832ca2e84f2e7b9e3cec44fa00dbf24c805035c0a556c62dcbd9dc3a2ca", kill_on_drop: false }`
[INFO] [stdout] 049ff832ca2e84f2e7b9e3cec44fa00dbf24c805035c0a556c62dcbd9dc3a2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffe4a2885716792c24aad390006aa4fdfc26ba63b8141aa01dd5b4c8f559c77b
[INFO] running `Command { std: "docker" "start" "-a" "ffe4a2885716792c24aad390006aa4fdfc26ba63b8141aa01dd5b4c8f559c77b", 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 libc v0.2.81
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[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]     Checking futures v0.1.29
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[INFO] [stderr]    Compiling anyhow v1.0.34
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[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0 (https://github.com/paritytech/substrate?branch=polkadot-release-v0.8.27#8c3b3fb1)
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]    Compiling dlmalloc v0.2.1
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling eyre v0.6.2
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking owo-colors v1.2.1
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling hashbrown v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[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-0.6.21/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=a59b32f817cf8cc0 -C extra-filename=-a59b32f817cf8cc0 --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" "ffe4a2885716792c24aad390006aa4fdfc26ba63b8141aa01dd5b4c8f559c77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe4a2885716792c24aad390006aa4fdfc26ba63b8141aa01dd5b4c8f559c77b", kill_on_drop: false }`
[INFO] [stdout] ffe4a2885716792c24aad390006aa4fdfc26ba63b8141aa01dd5b4c8f559c77b