[INFO] updating cached repository parthamittra/RustRock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/parthamittra/RustRock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/parthamittra/RustRock" "work/ex/beta-1.38-1/sources/1.37.0/gh/parthamittra/RustRock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/parthamittra/RustRock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/parthamittra/RustRock" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parthamittra/RustRock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parthamittra/RustRock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7cc1a7ce81eaeef23183152f7b9cc34a6a64856
[INFO] sha for GitHub repo parthamittra/RustRock: e7cc1a7ce81eaeef23183152f7b9cc34a6a64856
[INFO] validating manifest of parthamittra/RustRock on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of parthamittra/RustRock on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing parthamittra/RustRock
[INFO] finished frobbing parthamittra/RustRock
[INFO] frobbed toml for parthamittra/RustRock written to work/ex/beta-1.38-1/sources/1.37.0/gh/parthamittra/RustRock/Cargo.toml
[INFO] started frobbing parthamittra/RustRock
[INFO] finished frobbing parthamittra/RustRock
[INFO] frobbed toml for parthamittra/RustRock written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parthamittra/RustRock/Cargo.toml
[INFO] crate parthamittra/RustRock already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing parthamittra/RustRock against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parthamittra/RustRock:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9a5120105cea9059a842b9a7608582acc4316d1bcf30efa11ac0569f70f34c40
[INFO] running `"docker" "start" "-a" "9a5120105cea9059a842b9a7608582acc4316d1bcf30efa11ac0569f70f34c40"`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling mustache v0.6.3
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr] error: enum is private and its variants cannot be re-exported
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mustache-0.6.3/src/parser.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | pub use self::TokenClass::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 | enum TokenClass {
[INFO] [stderr]    | --------------- help: consider making the enum public: `pub enum TokenClass`
[INFO] [stderr] 
[INFO] [stderr] error: enum is private and its variants cannot be re-exported
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mustache-0.6.3/src/parser.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr] 4  | pub use self::ParserState::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 | enum ParserState { TEXT, OTAG, TAG, CTAG }
[INFO] [stderr]    | ---------------- help: consider making the enum public: `pub enum ParserState`
[INFO] [stderr] 
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mustache`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9a5120105cea9059a842b9a7608582acc4316d1bcf30efa11ac0569f70f34c40"`
[INFO] running `"docker" "rm" "-f" "9a5120105cea9059a842b9a7608582acc4316d1bcf30efa11ac0569f70f34c40"`
[INFO] [stdout] 9a5120105cea9059a842b9a7608582acc4316d1bcf30efa11ac0569f70f34c40