[INFO] fetching crate exonum-system-api 1.0.0...
[INFO] testing exonum-system-api-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate exonum-system-api 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate exonum-system-api 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-system-api 1.0.0
[INFO] finished tweaking crates.io crate exonum-system-api 1.0.0
[INFO] tweaked toml for crates.io crate exonum-system-api 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
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[INFO] [stderr]   Downloaded pest v2.1.3
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[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded clap v2.33.3
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[INFO] [stderr]   Downloaded bytestring v1.0.0
[INFO] [stderr]   Downloaded actix-router v0.2.7
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded actix-codec v0.3.0
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded hex-buffer-serde v0.2.2
[INFO] [stderr]   Downloaded base64-serde v0.5.1
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded cexpr v0.5.0
[INFO] [stderr]   Downloaded semver-parser v0.10.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded os_info v2.0.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.28
[INFO] [stderr]   Downloaded protobuf v2.25.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.25.1
[INFO] [stderr]   Downloaded web-sys v0.3.54
[INFO] [stderr]   Downloaded futures v0.3.17
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.2
[INFO] [stderr]   Downloaded backtrace v0.3.59
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded object v0.24.0
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded actix-testing v1.0.1
[INFO] [stderr]   Downloaded actix-threadpool v0.3.3
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded actix-service v1.0.6
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded hyper-tls v0.4.3
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded protoc-rust v2.25.1
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded futures-executor v0.3.17
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded actix-macros v0.1.3
[INFO] [stderr]   Downloaded exonum-build v1.0.1
[INFO] [stderr]   Downloaded js-sys v0.3.54
[INFO] [stderr]   Downloaded futures-task v0.3.17
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded librocksdb-sys v6.20.3
[INFO] [stderr]   Downloaded actix-rt v1.1.1
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded pin-project v0.4.28
[INFO] [stderr]   Downloaded rustc_version v0.3.3
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded bindgen v0.59.1
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded rust_decimal v1.15.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.77
[INFO] [stderr]   Downloaded tokio v0.2.25
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[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
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[INFO] [stderr]   Downloaded tokio-macros v0.2.6
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[INFO] [stderr]   Downloaded serde_urlencoded v0.7.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9424568469ff720a22863b9ea72fa321adfbc1b516219394854aa021450745
[INFO] running `Command { std: "docker" "start" "-a" "0e9424568469ff720a22863b9ea72fa321adfbc1b516219394854aa021450745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9424568469ff720a22863b9ea72fa321adfbc1b516219394854aa021450745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9424568469ff720a22863b9ea72fa321adfbc1b516219394854aa021450745", kill_on_drop: false }`
[INFO] [stdout] 0e9424568469ff720a22863b9ea72fa321adfbc1b516219394854aa021450745
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e37561ea184375fd8b1d9b4d67e36d6442223d51a9a75b78cab6577ce61d52
[INFO] running `Command { std: "docker" "start" "-a" "46e37561ea184375fd8b1d9b4d67e36d6442223d51a9a75b78cab6577ce61d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling base64-serde v0.5.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling hex-buffer-serde v0.2.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling os_info v2.0.8
[INFO] [stderr]    Compiling serde_str v0.1.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling rust_decimal v1.15.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr] error: could not compile `toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name toml --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml-0.5.8/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=24146118b9b01195 -C extra-filename=-24146118b9b01195 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-f1a7326e255a542b.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" "46e37561ea184375fd8b1d9b4d67e36d6442223d51a9a75b78cab6577ce61d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e37561ea184375fd8b1d9b4d67e36d6442223d51a9a75b78cab6577ce61d52", kill_on_drop: false }`
[INFO] [stdout] 46e37561ea184375fd8b1d9b4d67e36d6442223d51a9a75b78cab6577ce61d52