[INFO] updating cached repository https://github.com/QwantResearch/fafnir
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9aaaff5df7c8185f5d74300a9fd53fb628019f3
[INFO] checking QwantResearch/fafnir against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQwantResearch%2Ffafnir" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/QwantResearch/fafnir on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/QwantResearch/fafnir
[INFO] finished tweaking git repo https://github.com/QwantResearch/fafnir
[INFO] tweaked toml for git repo https://github.com/QwantResearch/fafnir written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/QwantResearch/fafnir already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] f0bb08139725b1c08808c8f2211f4189e0607512fa82f819bcd3f040e085db26
[INFO] running `"docker" "start" "-a" "f0bb08139725b1c08808c8f2211f4189e0607512fa82f819bcd3f040e085db26"`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling getrandom v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling syn v1.0.1
[INFO] [stderr]     Checking pub-iterator-type v0.1.1
[INFO] [stderr]    Compiling git-version v0.2.1
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking iso4217 v0.3.2
[INFO] [stderr]    Compiling fafnir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking safemem v0.3.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking actix-service v0.4.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]     Checking humanesort v0.1.0-alpha
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling bragi v1.2.0 (https://github.com/canalTP/mimirsbrunn?rev=9219baa#9219baa7)
[INFO] [stderr]    Compiling mimirsbrunn v1.2.0 (https://github.com/canalTP/mimirsbrunn?rev=9219baa#9219baa7)
[INFO] [stderr]     Checking libflate v0.1.26
[INFO] [stderr]    Compiling transit_model_procmacro v0.1.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking approx v0.2.1
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling rental-impl v0.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking flate2 v1.0.10
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr] error: could not compile `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.98/src/lib.rs --color never --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=c29d566d307f0484 -C extra-filename=-c29d566d307f0484 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-56866a13e9a88045.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-0c1c5ff01d97c9b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-ed2432fe82091894.rlib --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" "f0bb08139725b1c08808c8f2211f4189e0607512fa82f819bcd3f040e085db26"`
[INFO] running `"docker" "rm" "-f" "f0bb08139725b1c08808c8f2211f4189e0607512fa82f819bcd3f040e085db26"`
[INFO] [stdout] f0bb08139725b1c08808c8f2211f4189e0607512fa82f819bcd3f040e085db26