[INFO] fetching crate krator 0.5.0...
[INFO] checking krator-0.5.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate krator 0.5.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate krator 0.5.0 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 krator 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate krator 0.5.0
[INFO] tweaked toml for crates.io crate krator 0.5.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate krator 0.5.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x509-parser v0.10.0
[INFO] [stderr]   Downloaded der-oid-macro v0.4.0
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] [stderr]   Downloaded compiletest_rs v0.7.0
[INFO] [stderr]   Downloaded kube-derive v0.60.0
[INFO] [stderr]   Downloaded tester v0.9.0
[INFO] [stderr]   Downloaded krator-derive v0.4.0
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.11.0
[INFO] [stderr]   Downloaded der-parser v5.1.2
[INFO] [stderr]   Downloaded oid-registry v0.1.5
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.11.0
[INFO] [stderr]   Downloaded opentelemetry v0.12.0
[INFO] [stderr]   Downloaded kube-runtime v0.60.0
[INFO] [stderr]   Downloaded rusticata-macros v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 6f41613d31d787d2c4768dca836881bb4c194a3e1c5aa128f19425eb0567289c
[INFO] running `Command { std: "docker" "start" "-a" "6f41613d31d787d2c4768dca836881bb4c194a3e1c5aa128f19425eb0567289c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f41613d31d787d2c4768dca836881bb4c194a3e1c5aa128f19425eb0567289c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f41613d31d787d2c4768dca836881bb4c194a3e1c5aa128f19425eb0567289c", kill_on_drop: false }`
[INFO] [stdout] 6f41613d31d787d2c4768dca836881bb4c194a3e1c5aa128f19425eb0567289c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdab675356532fb88520df75bd7334028d8034dd9be0a4fe2773db35debac239
[INFO] running `Command { std: "docker" "start" "-a" "cdab675356532fb88520df75bd7334028d8034dd9be0a4fe2773db35debac239", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling k8s-openapi v0.13.0
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling schemars v0.8.6
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling compiletest_rs v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr] error: could not compile `rand`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rand --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.8.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="getrandom"' --cfg 'feature="libc"' --cfg 'feature="rand_chacha"' --cfg 'feature="rand_hc"' --cfg 'feature="std"' --cfg 'feature="std_rng"' -C metadata=f21f6b870716cce2 -C extra-filename=-f21f6b870716cce2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-8154973620412afc.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-70f97a20f54cac65.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-21a38969cb0a9133.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" "cdab675356532fb88520df75bd7334028d8034dd9be0a4fe2773db35debac239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdab675356532fb88520df75bd7334028d8034dd9be0a4fe2773db35debac239", kill_on_drop: false }`
[INFO] [stdout] cdab675356532fb88520df75bd7334028d8034dd9be0a4fe2773db35debac239
