[INFO] cloning repository https://github.com/c0ding/proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c0ding/proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc0ding%2Fproof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc0ding%2Fproof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98101bdc37a46937aa8f48dbdcc7206bc2f14707
[INFO] testing c0ding/proof against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc0ding%2Fproof" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c0ding/proof on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/c0ding/proof
[INFO] finished tweaking git repo https://github.com/c0ding/proof
[INFO] tweaked toml for git repo https://github.com/c0ding/proof written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/c0ding/proof already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68a02a116081c1e8ad8a81f27fa9ca2c92eee58fe211b4a74346a0d8ef2fbac4
[INFO] running `Command { std: "docker" "start" "-a" "68a02a116081c1e8ad8a81f27fa9ca2c92eee58fe211b4a74346a0d8ef2fbac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a02a116081c1e8ad8a81f27fa9ca2c92eee58fe211b4a74346a0d8ef2fbac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a02a116081c1e8ad8a81f27fa9ca2c92eee58fe211b4a74346a0d8ef2fbac4", kill_on_drop: false }`
[INFO] [stdout] 68a02a116081c1e8ad8a81f27fa9ca2c92eee58fe211b4a74346a0d8ef2fbac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe9effa5c6e2155aa1da1940caab90c1543e4ec3046363b228304abb5284189
[INFO] running `Command { std: "docker" "start" "-a" "bfe9effa5c6e2155aa1da1940caab90c1543e4ec3046363b228304abb5284189", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling ahash v0.4.6
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=a208da16#a208da16)
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling dyn-clone v1.0.3
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling lru_time_cache v0.11.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling wasmparser v0.57.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling ip_network v0.3.4
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0 (https://github.com/paritytech/substrate.git?rev=a208da16#a208da16)
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling retain_mut v0.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling safe-mix v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling sharded-slab v0.1.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[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=87e9a0bf275eee12 -C extra-filename=-87e9a0bf275eee12 --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" "bfe9effa5c6e2155aa1da1940caab90c1543e4ec3046363b228304abb5284189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe9effa5c6e2155aa1da1940caab90c1543e4ec3046363b228304abb5284189", kill_on_drop: false }`
[INFO] [stdout] bfe9effa5c6e2155aa1da1940caab90c1543e4ec3046363b228304abb5284189