[INFO] fetching crate kipa 0.2.10...
[INFO] checking kipa-0.2.10 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate kipa 0.2.10 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kipa 0.2.10 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kipa 0.2.10
[INFO] finished tweaking crates.io crate kipa 0.2.10
[INFO] tweaked toml for crates.io crate kipa 0.2.10 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate kipa 0.2.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a796eee75c7724fb2528462d492c4af6962acd15410000bfd76134f188fd0c6
[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" "1a796eee75c7724fb2528462d492c4af6962acd15410000bfd76134f188fd0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a796eee75c7724fb2528462d492c4af6962acd15410000bfd76134f188fd0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a796eee75c7724fb2528462d492c4af6962acd15410000bfd76134f188fd0c6", kill_on_drop: false }`
[INFO] [stdout] 1a796eee75c7724fb2528462d492c4af6962acd15410000bfd76134f188fd0c6
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fe595d87e01cdab3c4add1fd15569dbafe27788fed633bb8eb9cce81655e296
[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" "7fe595d87e01cdab3c4add1fd15569dbafe27788fed633bb8eb9cce81655e296", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling ucd-util v0.1.7
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]    Compiling pnet v0.25.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking periodic v0.1.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling nettle-src v3.5.1-2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking pnet_macros_support v0.25.0
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling protoc v2.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking pnet_sys v0.25.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking slog-async v2.4.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling protobuf-codegen v2.10.1
[INFO] [stderr]     Checking buffered-reader v0.13.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling protoc-rust v2.10.1
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.10.1/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=d60233927509a2b2 -C extra-filename=-d60233927509a2b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (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" "7fe595d87e01cdab3c4add1fd15569dbafe27788fed633bb8eb9cce81655e296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe595d87e01cdab3c4add1fd15569dbafe27788fed633bb8eb9cce81655e296", kill_on_drop: false }`
[INFO] [stdout] 7fe595d87e01cdab3c4add1fd15569dbafe27788fed633bb8eb9cce81655e296