[INFO] fetching crate nature_db 0.15.0...
[INFO] testing nature_db-0.15.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate nature_db 0.15.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nature_db 0.15.0 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 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-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 92eea6de143cab6378d9f7fa169a59d34a7f724e696a4ec82e0ac23d17fd61a3
[INFO] running `Command { std: "docker" "start" "-a" "92eea6de143cab6378d9f7fa169a59d34a7f724e696a4ec82e0ac23d17fd61a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92eea6de143cab6378d9f7fa169a59d34a7f724e696a4ec82e0ac23d17fd61a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92eea6de143cab6378d9f7fa169a59d34a7f724e696a4ec82e0ac23d17fd61a3", kill_on_drop: false }`
[INFO] [stdout] 92eea6de143cab6378d9f7fa169a59d34a7f724e696a4ec82e0ac23d17fd61a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5a11c488a1b715ff0bfa6b621cc3d8682c1571ad4033bff899b9e8ab6c8f1ae7
[INFO] running `Command { std: "docker" "start" "-a" "5a11c488a1b715ff0bfa6b621cc3d8682c1571ad4033bff899b9e8ab6c8f1ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling rust_decimal v1.23.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[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-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling libz-sys v1.1.5
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling tracing v0.1.33
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr] error: could not compile `thiserror-impl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name thiserror_impl --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thiserror-impl-1.0.30/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=ee70e2f24755fdce -C extra-filename=-ee70e2f24755fdce --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.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-aa6c9ed6a3b65ac7.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f4899b9e7f0b45d1.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" "5a11c488a1b715ff0bfa6b621cc3d8682c1571ad4033bff899b9e8ab6c8f1ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a11c488a1b715ff0bfa6b621cc3d8682c1571ad4033bff899b9e8ab6c8f1ae7", kill_on_drop: false }`
[INFO] [stdout] 5a11c488a1b715ff0bfa6b621cc3d8682c1571ad4033bff899b9e8ab6c8f1ae7