[INFO] fetching crate mlmd 0.1.1...
[INFO] checking mlmd-0.1.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate mlmd 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mlmd 0.1.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlmd 0.1.1
[INFO] finished tweaking crates.io crate mlmd 0.1.1
[INFO] tweaked toml for crates.io crate mlmd 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mlmd 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf0a564971ea74d3a9979f4f884edc45b482415a2b8543bdeadf9d3f7521dabd
[INFO] running `Command { std: "docker" "start" "-a" "bf0a564971ea74d3a9979f4f884edc45b482415a2b8543bdeadf9d3f7521dabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf0a564971ea74d3a9979f4f884edc45b482415a2b8543bdeadf9d3f7521dabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0a564971ea74d3a9979f4f884edc45b482415a2b8543bdeadf9d3f7521dabd", kill_on_drop: false }`
[INFO] [stdout] bf0a564971ea74d3a9979f4f884edc45b482415a2b8543bdeadf9d3f7521dabd
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 757a6e1d89a2555be5f906d76975359c287f239512a9efd524a39ab51f7dcd8a
[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" "757a6e1d89a2555be5f906d76975359c287f239512a9efd524a39ab51f7dcd8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling whoami v1.1.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.4.3/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=1bf6033bb2a8d4fa -C extra-filename=-1bf6033bb2a8d4fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-ad99b36d87dad5ef.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e220204c3e6e1397.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-9e9531b190d3ae50.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-63227f6e80ba1c00.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "757a6e1d89a2555be5f906d76975359c287f239512a9efd524a39ab51f7dcd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757a6e1d89a2555be5f906d76975359c287f239512a9efd524a39ab51f7dcd8a", kill_on_drop: false }`
[INFO] [stdout] 757a6e1d89a2555be5f906d76975359c287f239512a9efd524a39ab51f7dcd8a