[INFO] fetching crate grin-miner 0.4.2...
[INFO] testing grin-miner-0.4.2 against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796
[INFO] extracting crate grin-miner 0.4.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate grin-miner 0.4.2 on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin-miner 0.4.2
[INFO] finished tweaking crates.io crate grin-miner 0.4.2
[INFO] tweaked toml for crates.io crate grin-miner 0.4.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91cb89cf528015d1e310b6f66168872446a7671a0d7ab0cf6f45b2b91aa8ad46
[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" "91cb89cf528015d1e310b6f66168872446a7671a0d7ab0cf6f45b2b91aa8ad46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91cb89cf528015d1e310b6f66168872446a7671a0d7ab0cf6f45b2b91aa8ad46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cb89cf528015d1e310b6f66168872446a7671a0d7ab0cf6f45b2b91aa8ad46", kill_on_drop: false }`
[INFO] [stdout] 91cb89cf528015d1e310b6f66168872446a7671a0d7ab0cf6f45b2b91aa8ad46
[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" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "build" "--frozen" "--message-format=json", 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] ae841f001e701b454f7cf7c6396426e820358741ece4759134bac2bd7c93c5e2
[INFO] running `Command { std: "docker" "start" "-a" "ae841f001e701b454f7cf7c6396426e820358741ece4759134bac2bd7c93c5e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.6
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.62
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling cuckoo_miner v0.4.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling slog-term v2.8.0
[INFO] [stderr]    Compiling url v1.7.2
[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-0.2.11/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"' -C metadata=92eda29552bb694a -C extra-filename=-92eda29552bb694a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-5f8c00a75747cb95.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d9496baa351e52a4.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-63a396f6b6ffe5d0.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-0704d1e93c04ef64.rmeta --extern utf8_ranges=/opt/rustwide/target/debug/deps/libutf8_ranges-abdde3ee8a5c208a.rmeta --cap-lints allow --cap-lints=forbid --cfg regex_runtime_teddy_ssse3 --cfg regex_runtime_teddy_avx2` (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" "ae841f001e701b454f7cf7c6396426e820358741ece4759134bac2bd7c93c5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae841f001e701b454f7cf7c6396426e820358741ece4759134bac2bd7c93c5e2", kill_on_drop: false }`
[INFO] [stdout] ae841f001e701b454f7cf7c6396426e820358741ece4759134bac2bd7c93c5e2