[INFO] fetching crate holochain 0.0.50-alpha4...
[INFO] testing holochain-0.0.50-alpha4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate holochain 0.0.50-alpha4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate holochain 0.0.50-alpha4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain 0.0.50-alpha4
[INFO] finished tweaking crates.io crate holochain 0.0.50-alpha4
[INFO] tweaked toml for crates.io crate holochain 0.0.50-alpha4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate holochain 0.0.50-alpha4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4159f9dd690f5b96eb89a385d706f5d4cd76a47c955c7d6dba1c795bbd54389
[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" "f4159f9dd690f5b96eb89a385d706f5d4cd76a47c955c7d6dba1c795bbd54389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4159f9dd690f5b96eb89a385d706f5d4cd76a47c955c7d6dba1c795bbd54389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4159f9dd690f5b96eb89a385d706f5d4cd76a47c955c7d6dba1c795bbd54389", kill_on_drop: false }`
[INFO] [stdout] f4159f9dd690f5b96eb89a385d706f5d4cd76a47c955c7d6dba1c795bbd54389
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 408d0f5d0949454dc3a5c1ae7563a8a1cd3c3273e024df9fd9a3b3e0b48d6869
[INFO] running `Command { std: "docker" "start" "-a" "408d0f5d0949454dc3a5c1ae7563a8a1cd3c3273e024df9fd9a3b3e0b48d6869", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling quick-error v1.2.3
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[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling cranelift-entity v0.52.0
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[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.52.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
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[INFO] [stderr]    Compiling traitobject v0.1.0
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[INFO] [stderr]    Compiling wasmparser v0.45.2
[INFO] [stderr]    Compiling detach v0.0.42
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling detach v0.0.19
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[INFO] [stderr]    Compiling chunked_transfer v0.3.1
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[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.52.0
[INFO] [stderr]    Compiling cranelift-bforest v0.52.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling im v14.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling capnp v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rusoto_core v0.40.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling csv-core v0.1.10
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[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling streaming-stats v0.2.2
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rpassword v2.1.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.13.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling wasmi v0.4.4
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.27
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr] error: could not compile `cranelift-codegen-meta`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen_meta --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.52.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=80cdc58557c73e72 -C extra-filename=-80cdc58557c73e72 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-6f82adba5ea1d623.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-fdb7b2b50cb802d7.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" "408d0f5d0949454dc3a5c1ae7563a8a1cd3c3273e024df9fd9a3b3e0b48d6869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408d0f5d0949454dc3a5c1ae7563a8a1cd3c3273e024df9fd9a3b3e0b48d6869", kill_on_drop: false }`
[INFO] [stdout] 408d0f5d0949454dc3a5c1ae7563a8a1cd3c3273e024df9fd9a3b3e0b48d6869