[INFO] updating cached repository https://github.com/goby/rust-study
[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] ed7f2d3593e24c9ea60624d3505ec7f85d7b05b2
[INFO] checking goby/rust-study against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoby%2Frust-study" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goby/rust-study on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/goby/rust-study
[INFO] finished tweaking git repo https://github.com/goby/rust-study
[INFO] tweaked toml for git repo https://github.com/goby/rust-study written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/goby/rust-study already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=allow" "-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-2019-10-27" "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] 316ce3af13a5a065f89f8d9abb256f61e8247746e74caec4839cf93e9277b263
[INFO] running `"docker" "start" "-a" "316ce3af13a5a065f89f8d9abb256f61e8247746e74caec4839cf93e9277b263"`
[INFO] [stderr]     Checking guessing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: rust-call ABI is subject to change
[INFO] [stderr]   --> src/closures.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             extern "rust-call" fn call(&self, args: Args) -> Self::Output;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29625
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: rust-call ABI is subject to change
[INFO] [stderr]   --> src/closures.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             extern "rust-call" fn call(&mut self, args: Args) -> Self::Output;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29625
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: rust-call ABI is subject to change
[INFO] [stderr]   --> src/closures.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             extern "rust-call" fn call(self, args: Args) -> Self::Output;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29625
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `guessing`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "316ce3af13a5a065f89f8d9abb256f61e8247746e74caec4839cf93e9277b263"`
[INFO] running `"docker" "rm" "-f" "316ce3af13a5a065f89f8d9abb256f61e8247746e74caec4839cf93e9277b263"`
[INFO] [stdout] 316ce3af13a5a065f89f8d9abb256f61e8247746e74caec4839cf93e9277b263