[INFO] cloning repository https://github.com/matterinc/plasma_winter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matterinc/plasma_winter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 923297a9ac6bae1a2923b36354686ed5b824949e
[INFO] testing matterinc/plasma_winter against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matterinc/plasma_winter on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matterinc/plasma_winter
[INFO] finished tweaking git repo https://github.com/matterinc/plasma_winter
[INFO] tweaked toml for git repo https://github.com/matterinc/plasma_winter written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/matterinc/plasma_winter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tls v0.2.0
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded rand_chacha v0.1.0
[INFO] [stderr]   Downloaded rand_xorshift v0.1.0
[INFO] [stderr]   Downloaded http v0.1.14
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded rustc-hex v2.0.1
[INFO] [stderr]   Downloaded parking_lot v0.7.0
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded tokio-uds v0.1.7
[INFO] [stderr]   Downloaded ethereum-types v0.4.0
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded phf v0.7.23
[INFO] [stderr]   Downloaded rlp v0.2.4
[INFO] [stderr]   Downloaded ff v0.4.0
[INFO] [stderr]   Downloaded failure v0.1.3
[INFO] [stderr]   Downloaded smallvec v0.6.7
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.0
[INFO] [stderr]   Downloaded miniz_oxide v0.2.0
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.1
[INFO] [stderr]   Downloaded jsonrpc-core v8.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.81
[INFO] [stderr]   Downloaded ff_derive v0.3.0
[INFO] [stderr]   Downloaded reqwest v0.9.5
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.13
[INFO] [stderr]   Downloaded openssl v0.10.15
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.2
[INFO] [stderr]   Downloaded phf_shared v0.7.23
[INFO] [stderr]   Downloaded crossbeam v0.5.0
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded bytes v0.4.11
[INFO] [stderr]   Downloaded rand v0.6.1
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded pbr v1.0.1
[INFO] [stderr]   Downloaded signal-hook v0.1.6
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded serde v1.0.81
[INFO] [stderr]   Downloaded base64 v0.10.0
[INFO] [stderr]   Downloaded fixed-hash v0.2.5
[INFO] [stderr]   Downloaded websocket v0.21.1
[INFO] [stderr]   Downloaded tempfile v3.0.5
[INFO] [stderr]   Downloaded security-framework v0.2.1
[INFO] [stderr]   Downloaded security-framework-sys v0.2.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.8
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded tokio-reactor v0.1.7
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded string v0.1.2
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.9
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.1
[INFO] [stderr]   Downloaded askama_escape v0.1.0
[INFO] [stderr]   Downloaded h2 v0.1.14
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded ethabi v6.1.0
[INFO] [stderr]   Downloaded resolv-conf v0.6.1
[INFO] [stderr]   Downloaded elastic-array v0.10.0
[INFO] [stderr]   Downloaded tokio-uds v0.2.4
[INFO] [stderr]   Downloaded ethereum-tx-sign v0.0.2
[INFO] [stderr]   Downloaded ethbloom v0.5.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.42
[INFO] [stderr]   Downloaded hyper v0.12.17
[INFO] [stderr]   Downloaded secp256k1 v0.11.5
[INFO] [stderr]   Downloaded rlp v0.3.0
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded hyper v0.10.15
[INFO] [stderr]   Downloaded crc32fast v1.1.2
[INFO] [stderr]   Downloaded libflate v0.1.19
[INFO] [stderr]   Downloaded actix-net v0.2.4
[INFO] [stderr]   Downloaded arc-swap v0.3.6
[INFO] [stderr]   Downloaded actix v0.7.8
[INFO] [stderr]   Downloaded tokio v0.1.13
[INFO] [stderr]   Downloaded num-bigint v0.2.1
[INFO] [stderr]   Downloaded actix-web v0.7.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a343b6c19e6a509c47cd096632eb245a947a42f20cabafe9d893d27da5afc3fc
[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" "a343b6c19e6a509c47cd096632eb245a947a42f20cabafe9d893d27da5afc3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a343b6c19e6a509c47cd096632eb245a947a42f20cabafe9d893d27da5afc3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a343b6c19e6a509c47cd096632eb245a947a42f20cabafe9d893d27da5afc3fc", kill_on_drop: false }`
[INFO] [stdout] a343b6c19e6a509c47cd096632eb245a947a42f20cabafe9d893d27da5afc3fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850376bbf1d3a90c88ce4832085fbfbe0f871e54f14e9386207206df7979c1a5
[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" "850376bbf1d3a90c88ce4832085fbfbe0f871e54f14e9386207206df7979c1a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling string v0.1.2
[INFO] [stderr]    Compiling arc-swap v0.3.6
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling askama_escape v0.1.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling secp256k1 v0.11.5
[INFO] [stderr]    Compiling base64 v0.10.0
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling actix-web v0.7.15
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling signal-hook v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling elastic-array v0.10.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-tls v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling crossbeam-channel v0.3.2
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr] error: could not compile `uint`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name uint /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uint-0.4.1/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="heapsize"' --cfg 'feature="heapsizeof"' --cfg 'feature="std"' -C metadata=46ed91fba2ef2e65 -C extra-filename=-46ed91fba2ef2e65 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-5a7ffed0ab1cc959.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-cbc3c8a2cc7cfb2a.rmeta --extern heapsize=/opt/rustwide/target/debug/deps/libheapsize-596497e7b97767dd.rmeta --extern rustc_hex=/opt/rustwide/target/debug/deps/librustc_hex-f781872c801f0500.rmeta --cap-lints allow --cap-lints=warn` (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" "850376bbf1d3a90c88ce4832085fbfbe0f871e54f14e9386207206df7979c1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850376bbf1d3a90c88ce4832085fbfbe0f871e54f14e9386207206df7979c1a5", kill_on_drop: false }`
[INFO] [stdout] 850376bbf1d3a90c88ce4832085fbfbe0f871e54f14e9386207206df7979c1a5