[INFO] fetching crate mongodb-base-service 0.5.1...
[INFO] testing mongodb-base-service-0.5.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mongodb-base-service 0.5.1 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate mongodb-base-service 0.5.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongodb-base-service 0.5.1
[INFO] finished tweaking crates.io crate mongodb-base-service 0.5.1
[INFO] tweaked toml for crates.io crate mongodb-base-service 0.5.1 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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 stfu8 v0.2.5
[INFO] [stderr]   Downloaded derivative v1.0.4
[INFO] [stderr]   Downloaded mongodb-cursor-pagination v0.2.9
[INFO] [stderr]   Downloaded voca_rs v1.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50a316ca79a2112752defff9301bea4e7e8409b8fbd9956ffe7080682d6155cb
[INFO] running `Command { std: "docker" "start" "-a" "50a316ca79a2112752defff9301bea4e7e8409b8fbd9956ffe7080682d6155cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a316ca79a2112752defff9301bea4e7e8409b8fbd9956ffe7080682d6155cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a316ca79a2112752defff9301bea4e7e8409b8fbd9956ffe7080682d6155cb", kill_on_drop: false }`
[INFO] [stdout] 50a316ca79a2112752defff9301bea4e7e8409b8fbd9956ffe7080682d6155cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6481810feb61d4782d7c00f63285988fb648255724d241e82b5c4cf051b36835
[INFO] running `Command { std: "docker" "start" "-a" "6481810feb61d4782d7c00f63285988fb648255724d241e82b5c4cf051b36835", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling juniper_codegen v0.14.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr] error: could not compile `synstructure`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name synstructure --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/synstructure-0.12.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=2562fd9b59da568f -C extra-filename=-2562fd9b59da568f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adfd7b1b4588a8fe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa6c9ed6a3b65ac7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-f4899b9e7f0b45d1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.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" "6481810feb61d4782d7c00f63285988fb648255724d241e82b5c4cf051b36835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6481810feb61d4782d7c00f63285988fb648255724d241e82b5c4cf051b36835", kill_on_drop: false }`
[INFO] [stdout] 6481810feb61d4782d7c00f63285988fb648255724d241e82b5c4cf051b36835