[INFO] cloning repository https://github.com/mobilecoinofficial/mobilecoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobilecoinofficial/mobilecoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3376811c4b3713e9c775bf4b55faf30a1003a7eb
[INFO] checking mobilecoinofficial/mobilecoin against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobilecoinofficial%2Fmobilecoin" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobilecoinofficial/mobilecoin on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] removed /workspace/builds/worker-13/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] finished tweaking git repo https://github.com/mobilecoinofficial/mobilecoin
[INFO] tweaked toml for git repo https://github.com/mobilecoinofficial/mobilecoin written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mobilecoinofficial/mobilecoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff6310cdded21ad1fceb2dc49f1885034edd73f24341cd61207e616e4363e4cf
[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" "ff6310cdded21ad1fceb2dc49f1885034edd73f24341cd61207e616e4363e4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff6310cdded21ad1fceb2dc49f1885034edd73f24341cd61207e616e4363e4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6310cdded21ad1fceb2dc49f1885034edd73f24341cd61207e616e4363e4cf", kill_on_drop: false }`
[INFO] [stdout] ff6310cdded21ad1fceb2dc49f1885034edd73f24341cd61207e616e4363e4cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dcd3a8b1fbe9713b6ea94068460de4204da78b8817d86db0cc207d7279a36a2
[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" "4dcd3a8b1fbe9713b6ea94068460de4204da78b8817d86db0cc207d7279a36a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.22.0
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[INFO] [stderr]    Compiling either v1.5.3
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[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling cargo-emit v0.1.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2 (https://github.com/eranrund/RustCrypto-utils?rev=74f8e04e9d18d93fc6d05c72756c236dc88daa19#74f8e04e)
[INFO] [stderr]     Checking itoa v0.4.5
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[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
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[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
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[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling mc-util-build-info v1.0.1-pre1 (/opt/rustwide/workdir/util/build/info)
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
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[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking try-lock v0.2.2
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[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
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[INFO] [stderr]    Compiling protobuf v2.22.1
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[INFO] [stderr]    Compiling yasna v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking mc-sgx-types v1.0.1-pre1 (/opt/rustwide/workdir/sgx/types)
[INFO] [stderr]     Checking rjson v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]     Checking predicates-core v1.0.0
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[INFO] [stderr]     Checking mc-util-host-cert v1.0.1-pre1 (/opt/rustwide/workdir/util/host-cert)
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking maplit v1.0.2
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[INFO] [stderr]    Compiling rayon-core v1.7.0
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[INFO] [stderr]    Compiling linked-hash-map v0.5.3
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[INFO] [stderr]    Compiling percent-encoding v1.0.1
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[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking hmac-sha512 v0.1.9
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking mc-util-build-bolt-signalapp v1.0.1-pre1 (/opt/rustwide/workdir/util/build/bolt-signalapp)
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling datatest v0.6.4 (https://github.com/cormacrelf/datatest.git?rev=0c12efa#0c12efab)
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling mc-sgx-panic-edl v1.0.1-pre1 (/opt/rustwide/workdir/sgx/panic-edl)
[INFO] [stderr]    Compiling mc-sgx-slog-edl v1.0.1-pre1 (/opt/rustwide/workdir/sgx/slog-edl)
[INFO] [stderr]    Compiling mc-sgx-debug-edl v1.0.1-pre1 (/opt/rustwide/workdir/sgx/debug-edl)
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling sha2-asm v0.5.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling mbedtls v0.5.1 (https://github.com/mobilecoinofficial/rust-mbedtls.git?tag=mc-0.3#8cac1fd1)
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling genio v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]     Checking mc-sgx-compat v1.0.1-pre1 (/opt/rustwide/workdir/sgx/compat)
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0 (https://github.com/mozilla/lmdb-rs?rev=df1c2f5#df1c2f56)
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling pear_codegen v0.1.4
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[INFO] [stderr]    Compiling rocket v0.4.6
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[INFO] [stderr]     Checking mio v0.6.22
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[INFO] [stderr]    Compiling mc-sgx-compat-edl v1.0.1-pre1 (/opt/rustwide/workdir/sgx/compat-edl)
[INFO] [stderr]     Checking parking_lot v0.10.2
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[INFO] [stderr]     Checking protobuf-codegen v2.22.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking lmdb-rkv v0.14.0 (https://github.com/mozilla/lmdb-rs?rev=df1c2f5#df1c2f56)
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking async-compression v0.3.3
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.22.1/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=57b5203fda21779d -C extra-filename=-57b5203fda21779d -C rpath --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" "4dcd3a8b1fbe9713b6ea94068460de4204da78b8817d86db0cc207d7279a36a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcd3a8b1fbe9713b6ea94068460de4204da78b8817d86db0cc207d7279a36a2", kill_on_drop: false }`
[INFO] [stdout] 4dcd3a8b1fbe9713b6ea94068460de4204da78b8817d86db0cc207d7279a36a2