[INFO] updating cached repository mattico/spiralizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattico/spiralizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattico/spiralizer" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/spiralizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/spiralizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattico/spiralizer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/spiralizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/spiralizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9eeb1b38cce8321ee10bf73be9d5a774b6a3ea4
[INFO] sha for GitHub repo mattico/spiralizer: c9eeb1b38cce8321ee10bf73be9d5a774b6a3ea4
[INFO] validating manifest of mattico/spiralizer 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 mattico/spiralizer 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 mattico/spiralizer
[INFO] finished frobbing mattico/spiralizer
[INFO] frobbed toml for mattico/spiralizer written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/spiralizer/Cargo.toml
[INFO] started frobbing mattico/spiralizer
[INFO] finished frobbing mattico/spiralizer
[INFO] frobbed toml for mattico/spiralizer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/spiralizer/Cargo.toml
[INFO] crate mattico/spiralizer 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 mattico/spiralizer 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/spiralizer:/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] 7964a00a382b672c203bf66ec1a2065da7967f1c7458fc5f3bb063e38cb3a8c0
[INFO] running `"docker" "start" "-a" "7964a00a382b672c203bf66ec1a2065da7967f1c7458fc5f3bb063e38cb3a8c0"`
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling rayon v0.4.2
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling pbr v0.3.1
[INFO] [stderr]    Compiling clap v2.14.0
[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/pbr-0.3.1/src/pb.rs:348:64
[INFO] [stderr]     |
[INFO] [stderr] 348 |                         base = base + repeat!(self.bar_current.as_ref(), curr_count - 1) +
[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 `pbr`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 |                                             &f_name: &str,
[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 E0642`.
[INFO] [stderr] error: Could not compile `rustc-serialize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7964a00a382b672c203bf66ec1a2065da7967f1c7458fc5f3bb063e38cb3a8c0"`
[INFO] running `"docker" "rm" "-f" "7964a00a382b672c203bf66ec1a2065da7967f1c7458fc5f3bb063e38cb3a8c0"`
[INFO] [stdout] 7964a00a382b672c203bf66ec1a2065da7967f1c7458fc5f3bb063e38cb3a8c0