[INFO] updating cached repository https://github.com/ltentrup/caqe
[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] 60911bcf4c873bccdfa2685e7de3d93d07ca2267
[INFO] testing ltentrup/caqe against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltentrup%2Fcaqe" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltentrup/caqe on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ltentrup/caqe
[INFO] finished tweaking git repo https://github.com/ltentrup/caqe
[INFO] tweaked toml for git repo https://github.com/ltentrup/caqe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ltentrup/caqe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34058da102671adb6d62f0d95df168654567b703e4a0b78def7264891945afec
[INFO] running `"docker" "start" "-a" "34058da102671adb6d62f0d95df168654567b703e4a0b78def7264891945afec"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling uncover v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling cryptominisat v5.0.1 (https://github.com/ltentrup/cryptominisat-rs.git?rev=d812d3032eaa0c31f5f25534df9a1d72c5d354cc#d812d303)
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling colored-diff v0.2.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling simplelog v0.7.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling indicatif v0.13.0
[INFO] [stderr]    Compiling atomicwrites v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[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-1.0.90/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=3150b9d11a2d5fc0 -C extra-filename=-3150b9d11a2d5fc0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d54b7797223ed635.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-59a7c707a1caf7eb.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-25b86d74d44ab1d4.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 `"docker" "inspect" "34058da102671adb6d62f0d95df168654567b703e4a0b78def7264891945afec"`
[INFO] running `"docker" "rm" "-f" "34058da102671adb6d62f0d95df168654567b703e4a0b78def7264891945afec"`
[INFO] [stdout] 34058da102671adb6d62f0d95df168654567b703e4a0b78def7264891945afec