[INFO] updating cached repository fzzzy/rustmandlebrotserial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fzzzy/rustmandlebrotserial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fzzzy/rustmandlebrotserial" "work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rustmandlebrotserial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rustmandlebrotserial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fzzzy/rustmandlebrotserial" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fzzzy/rustmandlebrotserial"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fzzzy/rustmandlebrotserial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebed8fb0b2ea9b2fc600e6752ca3500449bd6a7a
[INFO] sha for GitHub repo fzzzy/rustmandlebrotserial: ebed8fb0b2ea9b2fc600e6752ca3500449bd6a7a
[INFO] validating manifest of fzzzy/rustmandlebrotserial 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 fzzzy/rustmandlebrotserial 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 fzzzy/rustmandlebrotserial
[INFO] finished frobbing fzzzy/rustmandlebrotserial
[INFO] frobbed toml for fzzzy/rustmandlebrotserial written to work/ex/beta-1.38-1/sources/1.37.0/gh/fzzzy/rustmandlebrotserial/Cargo.toml
[INFO] started frobbing fzzzy/rustmandlebrotserial
[INFO] finished frobbing fzzzy/rustmandlebrotserial
[INFO] frobbed toml for fzzzy/rustmandlebrotserial written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fzzzy/rustmandlebrotserial/Cargo.toml
[INFO] crate fzzzy/rustmandlebrotserial 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 fzzzy/rustmandlebrotserial 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-1/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/fzzzy/rustmandlebrotserial:/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] 2b03a2512b4905b04463f1735714c4a22892931e712e5a321d27bdae7cf50172
[INFO] running `"docker" "start" "-a" "2b03a2512b4905b04463f1735714c4a22892931e712e5a321d27bdae7cf50172"`
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `"docker" "inspect" "2b03a2512b4905b04463f1735714c4a22892931e712e5a321d27bdae7cf50172"`
[INFO] running `"docker" "rm" "-f" "2b03a2512b4905b04463f1735714c4a22892931e712e5a321d27bdae7cf50172"`
[INFO] [stdout] 2b03a2512b4905b04463f1735714c4a22892931e712e5a321d27bdae7cf50172
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/fzzzy/rustmandlebrotserial:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] c0df93515484e835f316078a1b791e7d86652d8973ef0289e81e464d34bf95bc
[INFO] running `"docker" "start" "-a" "c0df93515484e835f316078a1b791e7d86652d8973ef0289e81e464d34bf95bc"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: unexpected end of macro invocation
[INFO] [stderr]   --> src/main.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 |     assert_eq!(parse_complex(","))
[INFO] [stderr]    |                                  ^ missing tokens in macro arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `mandelbrot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c0df93515484e835f316078a1b791e7d86652d8973ef0289e81e464d34bf95bc"`
[INFO] running `"docker" "rm" "-f" "c0df93515484e835f316078a1b791e7d86652d8973ef0289e81e464d34bf95bc"`
[INFO] [stdout] c0df93515484e835f316078a1b791e7d86652d8973ef0289e81e464d34bf95bc