[INFO] fetching crate version-consts-git 0.2.0...
[INFO] extracting crate version-consts-git 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/version-consts-git/0.2.0
[INFO] extracting crate version-consts-git 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/version-consts-git/0.2.0
[INFO] validating manifest of version-consts-git-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of version-consts-git-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing version-consts-git-0.2.0
[INFO] finished frobbing version-consts-git-0.2.0
[INFO] frobbed toml for version-consts-git-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/version-consts-git/0.2.0/Cargo.toml
[INFO] started frobbing version-consts-git-0.2.0
[INFO] finished frobbing version-consts-git-0.2.0
[INFO] frobbed toml for version-consts-git-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/version-consts-git/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-consts-git-impl v0.1.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing version-consts-git-0.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/version-consts-git/0.2.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] caa4c5070666bb2d5324ea67b2c8b23cf880abf718a2e0b46140f8edc39a498f
[INFO] running `"docker" "start" "-a" "caa4c5070666bb2d5324ea67b2c8b23cf880abf718a2e0b46140f8edc39a498f"`
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling git2 v0.9.2
[INFO] [stderr]    Compiling version-consts-git-impl v0.1.1
[INFO] [stderr]    Compiling version-consts-git v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.14s
[INFO] running `"docker" "inspect" "caa4c5070666bb2d5324ea67b2c8b23cf880abf718a2e0b46140f8edc39a498f"`
[INFO] running `"docker" "rm" "-f" "caa4c5070666bb2d5324ea67b2c8b23cf880abf718a2e0b46140f8edc39a498f"`
[INFO] [stdout] caa4c5070666bb2d5324ea67b2c8b23cf880abf718a2e0b46140f8edc39a498f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/version-consts-git/0.2.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 896f16501bf6ec00eb6bf3f050b50a5aae0f78828ceed3e4e7a2706e0702dcb5
[INFO] running `"docker" "start" "-a" "896f16501bf6ec00eb6bf3f050b50a5aae0f78828ceed3e4e7a2706e0702dcb5"`
[INFO] [stderr]    Compiling version-consts-git v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]  --> examples/demo.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |         Some(x) => {
[INFO] [stderr]   |              ^ cannot infer type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `version-consts-git`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "896f16501bf6ec00eb6bf3f050b50a5aae0f78828ceed3e4e7a2706e0702dcb5"`
[INFO] running `"docker" "rm" "-f" "896f16501bf6ec00eb6bf3f050b50a5aae0f78828ceed3e4e7a2706e0702dcb5"`
[INFO] [stdout] 896f16501bf6ec00eb6bf3f050b50a5aae0f78828ceed3e4e7a2706e0702dcb5