Checking cache for default...
No URL provided, cache will not be downloaded from shared cache server. Instead a local version of cache will be extracted. 
Successfully extracted cache
section_end:1639650353:restore_cache
section_start:1639650353:step_script
Executing "step_script" stage of the job script
Using docker image sha256:d3b33645705a5bce6a9491e8db6b4b7ae2bb73d36ff443ea9c0502a807ac859c for cgenie/stack-build:lts-18.18-garg with digest cgenie/stack-build@sha256:c888b1357d40265b5e4d2c2de0f239f84182d5b756d04b2e9addbfcb4f9763d8 ...
$ stack test --no-terminal --fast
Executable named nix-shell not found on path: ["/root/.local/bin","/usr/local/cuda-10.0/bin","/home/stackage/.stack/programs/x86_64-linux/ghc-8.10.6/bin","/usr/local/sbin","/usr/local/bin","/usr/sbin","/usr/bin","/sbin","/bin"]
section_end:1639650356:step_script
section_start:1639650356:cleanup_file_variables
Cleaning up file based variables
section_end:1639650356:cleanup_file_variables
ERROR: Job failed: exit code 1

Checking cache for default...
No URL provided, cache will not be downloaded from shared cache server. Instead a local version of cache will be extracted. 
Successfully extracted cache
section_end:1639649984:restore_cache
section_start:1639649984:step_script
Executing "step_script" stage of the job script
Using docker image sha256:d3b33645705a5bce6a9491e8db6b4b7ae2bb73d36ff443ea9c0502a807ac859c for cgenie/stack-build:lts-18.18-garg with digest cgenie/stack-build@sha256:c888b1357d40265b5e4d2c2de0f239f84182d5b756d04b2e9addbfcb4f9763d8 ...
$ stack build --no-terminal --haddock --no-haddock-deps --fast
Executable named nix-shell not found on path: ["/root/.local/bin","/usr/local/cuda-10.0/bin","/home/stackage/.stack/programs/x86_64-linux/ghc-8.10.6/bin","/usr/local/sbin","/usr/local/bin","/usr/sbin","/usr/bin","/sbin","/bin"]
section_end:1639649987:step_script
section_start:1639649987:cleanup_file_variables
Cleaning up file based variables
section_end:1639649988:cleanup_file_variables
ERROR: Job failed: exit code 1