[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 beta-2021-01-01 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-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matterinc/plasma_winter on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-12/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/bellman`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/pairing`
[INFO] [stderr]     Updating git repository `https://github.com/matterinc/sapling-crypto`
[INFO] [stderr]     Updating git repository `https://github.com/tomusdrw/rust-web3`
[INFO] [stderr]     Updating git repository `https://github.com/gtank/blake2-rfc`
[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" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81438e383702ee2a4630b6eba1476a75b48ecf2735ad5e28cac58fda4b344762
[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" "81438e383702ee2a4630b6eba1476a75b48ecf2735ad5e28cac58fda4b344762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81438e383702ee2a4630b6eba1476a75b48ecf2735ad5e28cac58fda4b344762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81438e383702ee2a4630b6eba1476a75b48ecf2735ad5e28cac58fda4b344762", kill_on_drop: false }`
[INFO] [stdout] 81438e383702ee2a4630b6eba1476a75b48ecf2735ad5e28cac58fda4b344762
[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" "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" "+beta-2021-01-01" "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] de068f39c5f943ae590255b5f941668ff7e4355156b371f6b8328741b1675d86
[INFO] running `Command { std: "docker" "start" "-a" "de068f39c5f943ae590255b5f941668ff7e4355156b371f6b8328741b1675d86", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.81
[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 askama_escape v0.1.0
[INFO] [stderr]    Compiling hostname v0.1.5
[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 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 tower-service v0.1.0
[INFO] [stderr]    Compiling base64 v0.10.0
[INFO] [stderr]    Compiling actix-web v0.7.15
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling signal-hook v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[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 uuid v0.7.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling elastic-array v0.10.0
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.14/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=f569b1c561ab561d -C extra-filename=-f569b1c561ab561d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-d91cd1af8c446a58.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-81254b20febae08d.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-a9910cb6817ea53c.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" "de068f39c5f943ae590255b5f941668ff7e4355156b371f6b8328741b1675d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de068f39c5f943ae590255b5f941668ff7e4355156b371f6b8328741b1675d86", kill_on_drop: false }`
[INFO] [stdout] de068f39c5f943ae590255b5f941668ff7e4355156b371f6b8328741b1675d86