[INFO] fetching crate grin-miner 0.4.2...
[INFO] testing grin-miner-0.4.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate grin-miner 0.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate grin-miner 0.4.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b192d0eea007faef75c151464813a5e6cd2643b1f19b9a18b6a7a8ff5541cfb6
[INFO] running `Command { std: "docker" "start" "-a" "b192d0eea007faef75c151464813a5e6cd2643b1f19b9a18b6a7a8ff5541cfb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b192d0eea007faef75c151464813a5e6cd2643b1f19b9a18b6a7a8ff5541cfb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b192d0eea007faef75c151464813a5e6cd2643b1f19b9a18b6a7a8ff5541cfb6", kill_on_drop: false }`
[INFO] [stdout] b192d0eea007faef75c151464813a5e6cd2643b1f19b9a18b6a7a8ff5541cfb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 398461b501e906552533e3f338b63cb637cb74f9ec3e64ba6e223616f5696ab0
[INFO] running `Command { std: "docker" "start" "-a" "398461b501e906552533e3f338b63cb637cb74f9ec3e64ba6e223616f5696ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[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 quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling cuckoo_miner v0.4.2
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling num v0.2.1
[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-0.5.6/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 -C metadata=548a2b6e7f6aa9ce -C extra-filename=-548a2b6e7f6aa9ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-d43dcf4c4b76415c.rmeta --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" "398461b501e906552533e3f338b63cb637cb74f9ec3e64ba6e223616f5696ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398461b501e906552533e3f338b63cb637cb74f9ec3e64ba6e223616f5696ab0", kill_on_drop: false }`
[INFO] [stdout] 398461b501e906552533e3f338b63cb637cb74f9ec3e64ba6e223616f5696ab0