[INFO] updating cached repository jeehoonkang/sparc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeehoonkang/sparc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeehoonkang/sparc" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeehoonkang/sparc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeehoonkang/sparc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeehoonkang/sparc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeehoonkang/sparc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeehoonkang/sparc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d846564c3e152ee6a5bb5fbfe8cbc0cf9693d3c
[INFO] sha for GitHub repo jeehoonkang/sparc: 6d846564c3e152ee6a5bb5fbfe8cbc0cf9693d3c
[INFO] validating manifest of jeehoonkang/sparc 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 jeehoonkang/sparc 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 jeehoonkang/sparc
[INFO] finished frobbing jeehoonkang/sparc
[INFO] frobbed toml for jeehoonkang/sparc written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeehoonkang/sparc/Cargo.toml
[INFO] started frobbing jeehoonkang/sparc
[INFO] finished frobbing jeehoonkang/sparc
[INFO] frobbed toml for jeehoonkang/sparc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeehoonkang/sparc/Cargo.toml
[INFO] crate jeehoonkang/sparc 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 jeehoonkang/sparc against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeehoonkang/sparc:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 692b1663a61f05ed5223161cee5553dcc3d646fa157688fc18cd760dac4adc71
[INFO] running `"docker" "start" "-a" "692b1663a61f05ed5223161cee5553dcc3d646fa157688fc18cd760dac4adc71"`
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling codespan v0.2.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling codespan-reporting v0.2.0
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling rustyline v3.0.0
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stderr]     |
[INFO] [stderr] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stderr]     |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "692b1663a61f05ed5223161cee5553dcc3d646fa157688fc18cd760dac4adc71"`
[INFO] running `"docker" "rm" "-f" "692b1663a61f05ed5223161cee5553dcc3d646fa157688fc18cd760dac4adc71"`
[INFO] [stdout] 692b1663a61f05ed5223161cee5553dcc3d646fa157688fc18cd760dac4adc71