[INFO] cloning repository https://github.com/mixbytes/substrate-module-multisig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mixbytes/substrate-module-multisig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixbytes%2Fsubstrate-module-multisig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixbytes%2Fsubstrate-module-multisig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 291f11e8b30c41303999bc949234c8f7f7f8e921
[INFO] testing mixbytes/substrate-module-multisig against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixbytes%2Fsubstrate-module-multisig" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mixbytes/substrate-module-multisig 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 git repo https://github.com/mixbytes/substrate-module-multisig
[INFO] finished tweaking git repo https://github.com/mixbytes/substrate-module-multisig
[INFO] tweaked toml for git repo https://github.com/mixbytes/substrate-module-multisig written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/mixbytes/substrate-module-multisig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1e2cd165dfdb53fb793974e6852b241d2824364d0d451c4673deee178c1128
[INFO] running `Command { std: "docker" "start" "-a" "9f1e2cd165dfdb53fb793974e6852b241d2824364d0d451c4673deee178c1128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1e2cd165dfdb53fb793974e6852b241d2824364d0d451c4673deee178c1128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1e2cd165dfdb53fb793974e6852b241d2824364d0d451c4673deee178c1128", kill_on_drop: false }`
[INFO] [stdout] 9f1e2cd165dfdb53fb793974e6852b241d2824364d0d451c4673deee178c1128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2594a5ed6354db0b23568b6cd99bedc55ff7220e002f24fcdb33dc4a41c27a9
[INFO] running `Command { std: "docker" "start" "-a" "c2594a5ed6354db0b23568b6cd99bedc55ff7220e002f24fcdb33dc4a41c27a9", 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] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling hash-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling environmental v1.0.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.2
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling bs58 v0.2.2
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling parity-bytes v0.1.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling opaque-debug v0.1.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling nohash-hasher v0.1.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling etrace v1.1.1
[INFO] [stderr]    Compiling string v0.1.2
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling subtle v0.5.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling sysinfo v0.6.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling target_info v0.1.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling unsigned-varint v0.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/mixbytes/substrate#f1960129)
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.0
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/mixbytes/substrate#f1960129)
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling block-cipher-trait v0.5.3
[INFO] [stderr]    Compiling stream-cipher v0.1.1
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling trie-root v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling smallvec v0.6.6
[INFO] [stderr]    Compiling aes-soft v0.2.0
[INFO] [stderr]    Compiling twofish v0.1.0
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling ctr v0.1.1
[INFO] [stderr]    Compiling asn1_der v0.5.10
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling hash256-std-hasher v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/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=306a29a12f142e2b -C extra-filename=-306a29a12f142e2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "c2594a5ed6354db0b23568b6cd99bedc55ff7220e002f24fcdb33dc4a41c27a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2594a5ed6354db0b23568b6cd99bedc55ff7220e002f24fcdb33dc4a41c27a9", kill_on_drop: false }`
[INFO] [stdout] c2594a5ed6354db0b23568b6cd99bedc55ff7220e002f24fcdb33dc4a41c27a9