these 4 derivations will be built:
  /nix/store/gaxqnaz8rn4n4dw7yp974whd09kidqm0-crate-indexmap-2.14.1.tar.gz.drv
  /nix/store/qb3cxgn81fj69zslsl134rqlva7lrx0k-indexmap-2.14.1.drv
  /nix/store/fvfcx5kallxq9p8l9dgcpap1fzgisv9x-cargo-vendor-dir.drv
  /nix/store/8cz7lvblzgq97f9siaa8lr57qdwfl5hl-nix-tree-0.1.0.drv
building '/nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv'
crate-indexmap-2.14.1.tar.gz> 
crate-indexmap-2.14.1.tar.gz> trying https://crates.io/api/v1/crates/indexmap/2.14.1/download
crate-indexmap-2.14.1.tar.gz>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
crate-indexmap-2.14.1.tar.gz>                                  Dload  Upload   Total   Spent    Left  Speed
crate-indexmap-2.14.1.tar.gz>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
crate-indexmap-2.14.1.tar.gz> curl: (22) The requested URL returned error: 403
crate-indexmap-2.14.1.tar.gz> Warning: Problem (retrying all errors). Will retry in 1 second. 3 retries left.
crate-indexmap-2.14.1.tar.gz>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
crate-indexmap-2.14.1.tar.gz> curl: (22) The requested URL returned error: 403
crate-indexmap-2.14.1.tar.gz> Warning: Problem (retrying all errors). Will retry in 2 seconds. 2 retries 
crate-indexmap-2.14.1.tar.gz> Warning: left.
crate-indexmap-2.14.1.tar.gz>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
crate-indexmap-2.14.1.tar.gz> curl: (22) The requested URL returned error: 403
crate-indexmap-2.14.1.tar.gz> Warning: Problem (retrying all errors). Will retry in 4 seconds. 1 retry left.
crate-indexmap-2.14.1.tar.gz>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
crate-indexmap-2.14.1.tar.gz> curl: (22) The requested URL returned error: 403
crate-indexmap-2.14.1.tar.gz> error: cannot download crate-indexmap-2.14.1.tar.gz from any mirror
error: build of '/nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/r3wkpj6p476sj0gy682gs5msdjf55qm1-crate-indexmap-2.14.1.tar.gz
       Last 17 log lines:
       >
       > trying https://crates.io/api/v1/crates/indexmap/2.14.1/download
       >   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
       >                                  Dload  Upload   Total   Spent    Left  Speed
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
       > curl: (22) The requested URL returned error: 403
       > Warning: Problem (retrying all errors). Will retry in 1 second. 3 retries left.
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
       > curl: (22) The requested URL returned error: 403
       > Warning: Problem (retrying all errors). Will retry in 2 seconds. 2 retries
       > Warning: left.
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
       > curl: (22) The requested URL returned error: 403
       > Warning: Problem (retrying all errors). Will retry in 4 seconds. 1 retry left.
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
       > curl: (22) The requested URL returned error: 403
       > error: cannot download crate-indexmap-2.14.1.tar.gz from any mirror
       For full logs, run:
         nix log /nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv
error: Cannot build '/nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/r3wkpj6p476sj0gy682gs5msdjf55qm1-crate-indexmap-2.14.1.tar.gz
error: build of resolved derivation '/nix/store/jkqzwki78b19s7s3j01kzrsqpd5m14mw-crate-indexmap-2.14.1.tar.gz.drv' failed
error: Cannot build '/nix/store/qb3cxgn81fj69zslsl134rqlva7lrx0k-indexmap-2.14.1.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/f7b4kl5qnkp22ghwl1y5yvv6w5ijxw9j-indexmap-2.14.1
error: Cannot build '/nix/store/fvfcx5kallxq9p8l9dgcpap1fzgisv9x-cargo-vendor-dir.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/v2ihsxwghzmfwgfvhczhhaq57pga9ba5-cargo-vendor-dir
error: Cannot build '/nix/store/8cz7lvblzgq97f9siaa8lr57qdwfl5hl-nix-tree-0.1.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/1c1y1fw7pahfivj5kwidpxlc0mnq4yp1-nix-tree-0.1.0