[INFO] fetching crate chewdata 1.1.0...
[INFO] testing chewdata-1.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate chewdata 1.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate chewdata 1.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chewdata 1.1.0
[INFO] finished tweaking crates.io crate chewdata 1.1.0
[INFO] tweaked toml for crates.io crate chewdata 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate chewdata 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_info v3.0.7
[INFO] [stderr]   Downloaded bson v1.2.3
[INFO] [stderr]   Downloaded json_value_merge v0.1.3
[INFO] [stderr]   Downloaded serde-with-expand-env v1.1.0
[INFO] [stderr]   Downloaded multiqueue2 v0.1.7
[INFO] [stderr]   Downloaded num-bigint v0.4.1
[INFO] [stderr]   Downloaded atomic_utilities v0.5.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.47.0
[INFO] [stderr]   Downloaded surf_bucket_select v0.2.2
[INFO] [stderr]   Downloaded mongodb v1.2.3
[INFO] [stderr]   Downloaded json_value_search v0.1.1
[INFO] [stderr]   Downloaded json_value_resolve v0.1.1
[INFO] [stderr]   Downloaded jxon v0.7.0
[INFO] [stderr]   Downloaded env_applier v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20e71053170699af4aab5916cdd2a127f42d201d60a1157f2a69df0fa3c69741
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20e71053170699af4aab5916cdd2a127f42d201d60a1157f2a69df0fa3c69741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20e71053170699af4aab5916cdd2a127f42d201d60a1157f2a69df0fa3c69741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e71053170699af4aab5916cdd2a127f42d201d60a1157f2a69df0fa3c69741", kill_on_drop: false }`
[INFO] [stdout] 20e71053170699af4aab5916cdd2a127f42d201d60a1157f2a69df0fa3c69741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c722c5cf3aae51414e280ac8c22e7cbb4ab483fd6aca2017c1c1c19b18b30e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c722c5cf3aae51414e280ac8c22e7cbb4ab483fd6aca2017c1c1c19b18b30e8", 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]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.76
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.76
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling arc-swap v1.3.2
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling simple-mutex v1.1.5
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quick-xml v0.17.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling async-dup v1.2.2
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]    Compiling atomic_utilities v0.5.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling env_applier v0.1.2
[INFO] [stderr]    Compiling byte-pool v0.2.3
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling sha2 v0.9.6
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling slog-scope v4.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling typed-builder v0.4.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr] error: could not compile `darling_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.13.0/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="strsim"' --cfg 'feature="suggestions"' -C metadata=9e622b3eb7ff3d71 -C extra-filename=-9e622b3eb7ff3d71 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-bb690c336855f248.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-f9e0d0fa5402f0d8.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7fd25c3770c30c44.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4f2ff32975dd8b04.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-be6ba759f95a5238.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-5c2a6561aad00f3c.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" "0c722c5cf3aae51414e280ac8c22e7cbb4ab483fd6aca2017c1c1c19b18b30e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c722c5cf3aae51414e280ac8c22e7cbb4ab483fd6aca2017c1c1c19b18b30e8", kill_on_drop: false }`
[INFO] [stdout] 0c722c5cf3aae51414e280ac8c22e7cbb4ab483fd6aca2017c1c1c19b18b30e8