[INFO] cloning repository https://github.com/calavera/flake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calavera/flake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalavera%2Fflake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalavera%2Fflake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6f178d1c9ac498a43afb22114e34455a5b393f1
[INFO] checking calavera/flake against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalavera%2Fflake" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calavera/flake on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/calavera/flake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab8bdb90528d0e25a744563139c82a6b9bba0c34590c79bfa02ee81ede3aabd8
[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" "ab8bdb90528d0e25a744563139c82a6b9bba0c34590c79bfa02ee81ede3aabd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab8bdb90528d0e25a744563139c82a6b9bba0c34590c79bfa02ee81ede3aabd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8bdb90528d0e25a744563139c82a6b9bba0c34590c79bfa02ee81ede3aabd8", kill_on_drop: false }`
[INFO] [stdout] ab8bdb90528d0e25a744563139c82a6b9bba0c34590c79bfa02ee81ede3aabd8
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a37b0a74a3f76a2f94c678bdf65ee296177f9dd01bc5221aee01a3b46f3de3a
[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" "0a37b0a74a3f76a2f94c678bdf65ee296177f9dd01bc5221aee01a3b46f3de3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking walkdir v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.3
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]     Checking dbus v0.2.3
[INFO] [stderr]     Checking rust-gmp v0.2.10
[INFO] [stderr]     Checking schedule_recv v0.1.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling cmake v0.1.19
[INFO] [stdout] error: type `gmp_randstate_struct` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-gmp-0.2.10/src/mpz.rs:90:45
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn __gmpz_urandomb(rop: mpz_ptr, state: gmp_randstate_t, n: mp_bitcnt_t);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `gmp_randstate_struct` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-gmp-0.2.10/src/mpz.rs:91:45
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn __gmpz_urandomm(rop: mpz_ptr, state: gmp_randstate_t, n: mpz_srcptr);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.19.2
[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 `Command { std: "docker" "inspect" "0a37b0a74a3f76a2f94c678bdf65ee296177f9dd01bc5221aee01a3b46f3de3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a37b0a74a3f76a2f94c678bdf65ee296177f9dd01bc5221aee01a3b46f3de3a", kill_on_drop: false }`
[INFO] [stdout] 0a37b0a74a3f76a2f94c678bdf65ee296177f9dd01bc5221aee01a3b46f3de3a