[INFO] fetching crate exocore-apps-host 0.1.15...
[INFO] testing exocore-apps-host-0.1.15 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate exocore-apps-host 0.1.15 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate exocore-apps-host 0.1.15 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exocore-apps-host 0.1.15
[INFO] finished tweaking crates.io crate exocore-apps-host 0.1.15
[INFO] tweaked toml for crates.io crate exocore-apps-host 0.1.15 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad52fbc3a38485514de84c5a340a22e909156676f64233001226aad0368c962c
[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" "ad52fbc3a38485514de84c5a340a22e909156676f64233001226aad0368c962c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad52fbc3a38485514de84c5a340a22e909156676f64233001226aad0368c962c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad52fbc3a38485514de84c5a340a22e909156676f64233001226aad0368c962c", kill_on_drop: false }`
[INFO] [stdout] ad52fbc3a38485514de84c5a340a22e909156676f64233001226aad0368c962c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] a7ea2d148d708f51e2253952b338d531aa4282a483969c15dc31ceeabfad10c3
[INFO] running `Command { std: "docker" "start" "-a" "a7ea2d148d708f51e2253952b338d531aa4282a483969c15dc31ceeabfad10c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling unsigned-varint v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling signature v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.77.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling asn1_der v0.7.5
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling capnp v0.14.3
[INFO] [stderr]    Compiling wasmparser v0.80.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling wasmtime-cache v0.30.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.4
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling wasmtime v0.30.0
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling ownedbytes v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling twox-hash v1.6.1
[INFO] [stderr]    Compiling tantivy-common v0.1.0
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling ed25519 v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling wast v38.0.1
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling capnpc v0.14.4
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling tantivy-fst v0.3.0
[INFO] [stderr]    Compiling fastfield_codecs v0.1.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling lz4_flex v0.8.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling combine v4.6.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling bitpacking v0.8.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr] error: could not compile `wast`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wast --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wast-38.0.1/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 --cfg 'feature="default"' --cfg 'feature="wasm-module"' -C metadata=78a168a93b3d7299 -C extra-filename=-78a168a93b3d7299 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern leb128=/opt/rustwide/target/debug/deps/libleb128-ad3cdfa3e477c620.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" "a7ea2d148d708f51e2253952b338d531aa4282a483969c15dc31ceeabfad10c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea2d148d708f51e2253952b338d531aa4282a483969c15dc31ceeabfad10c3", kill_on_drop: false }`
[INFO] [stdout] a7ea2d148d708f51e2253952b338d531aa4282a483969c15dc31ceeabfad10c3