[INFO] fetching crate nature_db 0.15.0...
[INFO] testing nature_db-0.15.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nature_db 0.15.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate nature_db 0.15.0 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 nature_db 0.15.0
[INFO] finished tweaking crates.io crate nature_db 0.15.0
[INFO] tweaked toml for crates.io crate nature_db 0.15.0 written to /workspace/builds/worker-13/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 11b4349d0809ec9682b1b5a8389515cb6386347ea1728f2c23aa936cc90b5e1d
[INFO] running `Command { std: "docker" "start" "-a" "11b4349d0809ec9682b1b5a8389515cb6386347ea1728f2c23aa936cc90b5e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11b4349d0809ec9682b1b5a8389515cb6386347ea1728f2c23aa936cc90b5e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b4349d0809ec9682b1b5a8389515cb6386347ea1728f2c23aa936cc90b5e1d", kill_on_drop: false }`
[INFO] [stdout] 11b4349d0809ec9682b1b5a8389515cb6386347ea1728f2c23aa936cc90b5e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0a3fff85f58f06a4865cf2ce7a8ad10e625136b9b4ee9b00ca783de8ed04f564
[INFO] running `Command { std: "docker" "start" "-a" "0a3fff85f58f06a4865cf2ce7a8ad10e625136b9b4ee9b00ca783de8ed04f564", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling lru_time_cache v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling lexical v5.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rust_decimal v1.15.0
[INFO] [stderr]    Compiling twox-hash v1.6.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr] error: could not compile `derive_more`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name derive_more --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/derive_more-0.99.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="add"' --cfg 'feature="add_assign"' --cfg 'feature="as_mut"' --cfg 'feature="as_ref"' --cfg 'feature="constructor"' --cfg 'feature="convert_case"' --cfg 'feature="default"' --cfg 'feature="deref"' --cfg 'feature="deref_mut"' --cfg 'feature="display"' --cfg 'feature="error"' --cfg 'feature="from"' --cfg 'feature="from_str"' --cfg 'feature="index"' --cfg 'feature="index_mut"' --cfg 'feature="into"' --cfg 'feature="into_iterator"' --cfg 'feature="is_variant"' --cfg 'feature="iterator"' --cfg 'feature="mul"' --cfg 'feature="mul_assign"' --cfg 'feature="not"' --cfg 'feature="rustc_version"' --cfg 'feature="sum"' --cfg 'feature="try_into"' --cfg 'feature="unwrap"' -C metadata=e3a48107d34a0350 -C extra-filename=-e3a48107d34a0350 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern convert_case=/opt/rustwide/target/debug/deps/libconvert_case-c066c3b23c5b8fe4.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06e97d6f0dfb172f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1b457121b46aa6b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a2653446fd8e335a.rlib --extern proc_macro --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" "0a3fff85f58f06a4865cf2ce7a8ad10e625136b9b4ee9b00ca783de8ed04f564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3fff85f58f06a4865cf2ce7a8ad10e625136b9b4ee9b00ca783de8ed04f564", kill_on_drop: false }`
[INFO] [stdout] 0a3fff85f58f06a4865cf2ce7a8ad10e625136b9b4ee9b00ca783de8ed04f564