[INFO] updating cached repository https://github.com/calavera/flake
[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] a6f178d1c9ac498a43afb22114e34455a5b393f1
[INFO] testing calavera/flake against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalavera%2Fflake" "/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/calavera/flake 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/calavera/flake
[INFO] finished tweaking git repo https://github.com/calavera/flake
[INFO] tweaked toml for git repo https://github.com/calavera/flake written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/calavera/flake 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] [stdout] 46a2149a1ff14a6a45215a2c974898ebf2f7487490cc9af9584dc27d40af78d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "46a2149a1ff14a6a45215a2c974898ebf2f7487490cc9af9584dc27d40af78d3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling walkdir v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.3
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling rust-gmp v0.2.10
[INFO] [stderr]    Compiling dbus v0.2.3
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling schedule_recv v0.1.0
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr] error: type `rand::gmp_randstate_struct` is private
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-gmp-0.2.10/src/mpz.rs:90:45
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn __gmpz_urandomb(rop: mpz_ptr, state: gmp_randstate_t, n: mp_bitcnt_t);
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^ private type
[INFO] [stderr] 
[INFO] [stderr] error: type `rand::gmp_randstate_struct` is private
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-gmp-0.2.10/src/mpz.rs:91:45
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn __gmpz_urandomm(rop: mpz_ptr, state: gmp_randstate_t, n: mpz_srcptr);
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^ private type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rust-gmp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "46a2149a1ff14a6a45215a2c974898ebf2f7487490cc9af9584dc27d40af78d3"`
[INFO] running `"docker" "rm" "-f" "46a2149a1ff14a6a45215a2c974898ebf2f7487490cc9af9584dc27d40af78d3"`
[INFO] [stdout] 46a2149a1ff14a6a45215a2c974898ebf2f7487490cc9af9584dc27d40af78d3