[INFO] cloning repository https://github.com/alexander-akhmetov/mos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexander-akhmetov/mos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-akhmetov%2Fmos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-akhmetov%2Fmos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70e0053f4023eba7c3af409df724ba3549e1d893
[INFO] checking alexander-akhmetov/mos against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-akhmetov%2Fmos" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexander-akhmetov/mos on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/alexander-akhmetov/mos
[INFO] finished tweaking git repo https://github.com/alexander-akhmetov/mos
[INFO] tweaked toml for git repo https://github.com/alexander-akhmetov/mos written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alexander-akhmetov/mos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/compiler-builtins`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang-nursery/libm`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `ssh://git@gitlab.com/akhmetov/tar.git`
[INFO] [stderr] error: failed to get `tar` as a dependency of package `mos v0.2.0 (/workspace/builds/worker-4-tc1/source)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for dependency `tar`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update ssh://git@gitlab.com/akhmetov/tar.git?tag=0.4.0#ad66ed77
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to clone into: /workspace/cargo-home/git/db/tar-ba2164b4d1f7fef3
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   error: unknown SSH host key
[INFO] [stderr]   The SSH host key for `gitlab.com` is not known and cannot be validated.
[INFO] [stderr] 
[INFO] [stderr]   To resolve this issue, add the host key to the `net.ssh.known-hosts` array in your Cargo configuration (such as /workspace/cargo-home/config.toml) or in your OpenSSH known_hosts file at /root/.ssh/known_hosts
[INFO] [stderr] 
[INFO] [stderr]   The key to add is:
[INFO] [stderr] 
[INFO] [stderr]   gitlab.com ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFSMqzJeV9rUzU4kWitGjeR4PWSa29SPqJ1fVkhtj3Hw9xjLVXVYrU9QlYWrOLXBpQ6KWjbjTDTdDkoohFzgbEY=
[INFO] [stderr] 
[INFO] [stderr]   The ECDSA key fingerprint is: SHA256:HbW3g8zUjNSksFbqTiUWPWg2Bq1x8xdGUrliXFzSnUw
[INFO] [stderr]   This fingerprint should be validated with the server administrator that it is correct.
[INFO] [stderr] 
[INFO] [stderr]   See https://doc.rust-lang.org/stable/cargo/appendix/git-authentication.html#ssh-known-hosts for more information.
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:missing-deps
[ERROR] caused by: the crate depends on missing dependencies
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
