diff --git a/.gitignore b/.gitignore
index 99f64da..2527486 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 *
 !/justfile
 !/.gitignore
-!/clean.sh
 !/.envrc
diff --git a/justfile b/justfile
index ee4aa31..96dcb31 100644
--- a/justfile
+++ b/justfile
@@ -135,7 +135,7 @@ instantiate-packages +$attrpaths="":
 
 [no-cd]
 _build_packages $outdir +$attrpaths:
-    #!/usr/bin/env -S bash -euo pipefail
+    #!/usr/bin/env -S bash -euo pipefail -x
     # hint: supports _JUST_NIX_BUILD_ARGS
     # hint: supports _JUST_NIX_INSTANTIATE_ARGS
     test -z "${_JUST_NIX_BUILD_ARGS:-}"       || echo >&2 "_JUST_NIX_BUILD_ARGS       = $_JUST_NIX_BUILD_ARGS"
@@ -151,6 +151,7 @@ _build_packages $outdir +$attrpaths:
     just instantiate-packages "$@" | tee >(command cat >&2) \
         | eval xargs nom-build --keep-going --no-out-link ${_JUST_NIX_BUILD_ARGS:-}
     worker() {
+        set -x
         local attrpath="$1"
         local dst="$outdir/$attrpath"
         local drvpath=$( just instantiate-packages "$attrpath" )
@@ -160,13 +161,13 @@ _build_packages $outdir +$attrpaths:
         fi
         # local outpaths=$( nix-store -q --outputs "$drvpath" ) # doesn't gcroot, some outputs may not be pulled from builders
         if [[ -L "$dst" ]]; then
-            nix log $(readlink "$dst") > "$dst".log 2>/dev/null
+            nix log $(readlink "$dst") > "$dst".log 2>/dev/null ||:
         else
             if [[ -z "$drvpath" ]]; then
                 ln -s "$NOTFOUNDDIR"/no-eval "$dst"
             else
                 ln -s /build-failure-"$attrpath" "$dst"
-                nix log ".#$attrpath" ${_JUST_NIX_INSTANTIATE_ARGS:-} > "$dst".log 2>/dev/null || true
+                nix log ".#$attrpath" ${_JUST_NIX_INSTANTIATE_ARGS:-} > "$dst".log 2>/dev/null ||:
             fi
         fi
     }