[INFO] updating cached repository https://github.com/jerk-rs/rustjerkbot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/jerk-rs/rustjerkbot
[INFO] [stderr]    54f374e..fba35c6  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fba35c6089526a85b8756fc113716987e50c5e3e
[INFO] checking jerk-rs/rustjerkbot against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerk-rs%2Frustjerkbot" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jerk-rs/rustjerkbot on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jerk-rs/rustjerkbot
[INFO] finished tweaking git repo https://github.com/jerk-rs/rustjerkbot
[INFO] tweaked toml for git repo https://github.com/jerk-rs/rustjerkbot written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jerk-rs/rustjerkbot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f2af6e8a08a365d17d039c67c114b39395ff6e806a5b0e31d585c4b1a331f38
[INFO] running `"docker" "start" "-a" "8f2af6e8a08a365d17d039c67c114b39395ff6e806a5b0e31d585c4b1a331f38"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking deunicode v1.0.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking shellwords v1.0.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking sedregex v0.2.4
[INFO] [stderr]     Checking postgres-protocol v0.5.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking rustls-native-certs v0.1.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling derefable v0.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling snafu-derive v0.6.1
[INFO] [stderr]    Compiling carapax-codegen v0.1.1
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=28bc107e10815e16 -C extra-filename=-28bc107e10815e16 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0749664efc73b692.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-e4125b65bb003960.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1415204f418bafa0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b8bf5886ba590082.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-5ef05db0c509ccf9.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-d16798fc50d8682f.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8f2af6e8a08a365d17d039c67c114b39395ff6e806a5b0e31d585c4b1a331f38"`
[INFO] running `"docker" "rm" "-f" "8f2af6e8a08a365d17d039c67c114b39395ff6e806a5b0e31d585c4b1a331f38"`
[INFO] [stdout] 8f2af6e8a08a365d17d039c67c114b39395ff6e806a5b0e31d585c4b1a331f38