[INFO] cloning repository https://github.com/Sips/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sips/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSips%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSips%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8db4e543e2bf1f115523b44943f62ce2e685f366
[INFO] checking Sips/hello-rust against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSips%2Fhello-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sips/hello-rust on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Sips/hello-rust
[INFO] finished tweaking git repo https://github.com/Sips/hello-rust
[INFO] tweaked toml for git repo https://github.com/Sips/hello-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Sips/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb2d3731d1d463369b012b3dd14b3eceb6fe59c55567f4acaea9b2e995f82b64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb2d3731d1d463369b012b3dd14b3eceb6fe59c55567f4acaea9b2e995f82b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb2d3731d1d463369b012b3dd14b3eceb6fe59c55567f4acaea9b2e995f82b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2d3731d1d463369b012b3dd14b3eceb6fe59c55567f4acaea9b2e995f82b64", kill_on_drop: false }`
[INFO] [stdout] bb2d3731d1d463369b012b3dd14b3eceb6fe59c55567f4acaea9b2e995f82b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58df0635d5935df5c7968ea508ab8a7cc62ab3ae68e7148939cfee636cb3b4cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58df0635d5935df5c7968ea508ab8a7cc62ab3ae68e7148939cfee636cb3b4cd", 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]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling auto_enums_derive v0.7.5
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking vec-arena v0.5.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cuda-sys v0.2.0
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]     Checking emu-audio-types v0.1.0
[INFO] [stderr]    Compiling httpbis v0.9.1
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling fixed v1.1.0
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling hyperx v1.0.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling crc32c v0.5.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking blas-src v0.6.1
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking hashbag v0.1.3
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking rustacuda_core v0.1.2
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking compare v0.1.0
[INFO] [stderr]     Checking lapack-src v0.6.0
[INFO] [stderr]     Checking atomig v0.1.0
[INFO] [stderr]     Checking argmm v0.1.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking nonzero_ext v0.1.5
[INFO] [stderr]     Checking nonzero_ext v0.2.0
[INFO] [stderr]     Checking treediff v4.0.0
[INFO] [stderr]     Checking ordermap v0.4.2
[INFO] [stderr]     Checking float_eq v0.4.1
[INFO] [stderr]     Checking bimap v0.5.2
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking is_sorted v0.1.1
[INFO] [stderr]     Checking fixedbitset v0.3.0
[INFO] [stderr]     Checking autocfg v1.0.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking ordslice v0.3.0
[INFO] [stderr]     Checking gcd v2.0.1
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking alphanumeric-sort v1.4.0
[INFO] [stderr]     Checking sublime_fuzzy v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling priority-queue v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking merkle-cbt v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking qrcode v0.12.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking evmap v10.0.2
[INFO] [stderr]     Checking binary-heap-plus v0.3.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking diffus v0.9.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking radix_trie v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.3.1
[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=93c14007ae22b74c -C extra-filename=-93c14007ae22b74c --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" "58df0635d5935df5c7968ea508ab8a7cc62ab3ae68e7148939cfee636cb3b4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58df0635d5935df5c7968ea508ab8a7cc62ab3ae68e7148939cfee636cb3b4cd", kill_on_drop: false }`
[INFO] [stdout] 58df0635d5935df5c7968ea508ab8a7cc62ab3ae68e7148939cfee636cb3b4cd