[INFO] fetching crate scabbard 0.4.1...
[INFO] testing scabbard-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate scabbard 0.4.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate scabbard 0.4.1 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 crates.io crate scabbard 0.4.1
[INFO] finished tweaking crates.io crate scabbard 0.4.1
[INFO] tweaked toml for crates.io crate scabbard 0.4.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ee857a1316499e882c88414bb46fbe64b0a24c39355032b4f8e1a82a0fc45969
[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" "ee857a1316499e882c88414bb46fbe64b0a24c39355032b4f8e1a82a0fc45969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee857a1316499e882c88414bb46fbe64b0a24c39355032b4f8e1a82a0fc45969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee857a1316499e882c88414bb46fbe64b0a24c39355032b4f8e1a82a0fc45969", kill_on_drop: false }`
[INFO] [stdout] ee857a1316499e882c88414bb46fbe64b0a24c39355032b4f8e1a82a0fc45969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 20840633ad87fe75d22b0fbdafb5d2c268a6a75dcc34e88a260ff0ba6ef9f7c7
[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" "20840633ad87fe75d22b0fbdafb5d2c268a6a75dcc34e88a260ff0ba6ef9f7c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.19.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling supercow v0.1.0
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling cbor-codec v0.7.1
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling wasmi-validation v0.1.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling wasmi v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling lmdb-zero v0.4.4
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling protoc v2.19.0
[INFO] [stderr]    Compiling atomicwrites v0.2.5
[INFO] [stderr]    Compiling protobuf-codegen v2.19.0
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling protoc-rust v2.19.0
[INFO] [stderr]    Compiling sawtooth-sdk v0.3.0
[INFO] [stderr]    Compiling transact v0.2.4
[INFO] [stderr]    Compiling sabre-sdk v0.5.2
[INFO] [stderr]    Compiling sawtooth v0.3.1
[INFO] [stderr]    Compiling splinter v0.4.1
[INFO] [stderr]    Compiling scabbard v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `splinter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name splinter --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/splinter-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="default"' -C metadata=c3ff166628d04af7 -C extra-filename=-c3ff166628d04af7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atomicwrites=/opt/rustwide/target/debug/deps/libatomicwrites-13ace26ec52559a6.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-58d581c7ec626514.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2ccdee9e6280c915.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-123515aad0ae55e0.rmeta --extern mio_extras=/opt/rustwide/target/debug/deps/libmio_extras-244f9023ab34e4e9.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-17d48176b6d81cd3.rmeta --extern protobuf=/opt/rustwide/target/debug/deps/libprotobuf-f8b415269bc802ce.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-19d212ce014b53ad.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c0f7028f9292451d.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a819144dcfd9a050.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-42d3722033692613.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-9e61aa70054f7d0b.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-b1ad55a490a79752.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-f5ddd461107e82eb.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" "20840633ad87fe75d22b0fbdafb5d2c268a6a75dcc34e88a260ff0ba6ef9f7c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20840633ad87fe75d22b0fbdafb5d2c268a6a75dcc34e88a260ff0ba6ef9f7c7", kill_on_drop: false }`
[INFO] [stdout] 20840633ad87fe75d22b0fbdafb5d2c268a6a75dcc34e88a260ff0ba6ef9f7c7