[INFO] updating cached repository casey/janus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/casey/janus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/casey/janus" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/casey/janus"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/casey/janus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/casey/janus" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/casey/janus"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/casey/janus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c13ab0374fefc0d9b889cddbc8e8ba41c9630c1c
[INFO] sha for GitHub repo casey/janus: c13ab0374fefc0d9b889cddbc8e8ba41c9630c1c
[INFO] validating manifest of casey/janus on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of casey/janus on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing casey/janus
[INFO] removed path dependency just_dev from casey/janus
[INFO] finished frobbing casey/janus
[INFO] frobbed toml for casey/janus written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/casey/janus/Cargo.toml
[INFO] started frobbing casey/janus
[INFO] removed path dependency just_dev from casey/janus
[INFO] finished frobbing casey/janus
[INFO] frobbed toml for casey/janus written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/casey/janus/Cargo.toml
[INFO] crate casey/janus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking casey/janus against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-6/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/casey/janus:/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=forbid" "-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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fda6734a55beeda02f8101f3c448a8870fe897317afd0daa462c532b8cc0d6c3
[INFO] running `"docker" "start" "-a" "fda6734a55beeda02f8101f3c448a8870fe897317afd0daa462c532b8cc0d6c3"`
[INFO] [stderr] warning: dependency (just_dev) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] error: the crate `janus v0.0.0 (/opt/crater/workdir)` depends on crate `just v0.4.2` multiple times with different names
[INFO] running `"docker" "inspect" "fda6734a55beeda02f8101f3c448a8870fe897317afd0daa462c532b8cc0d6c3"`
[INFO] running `"docker" "rm" "-f" "fda6734a55beeda02f8101f3c448a8870fe897317afd0daa462c532b8cc0d6c3"`
[INFO] [stdout] fda6734a55beeda02f8101f3c448a8870fe897317afd0daa462c532b8cc0d6c3