diff --git a/lib/manager/cargo/artifacts.ts b/lib/manager/cargo/artifacts.ts
index 54ea4ab13a2ca398dd8cecacad074d2337f257b3..55895b64abf2fd93a14efd40211bec4cadbb62b0 100644
--- a/lib/manager/cargo/artifacts.ts
+++ b/lib/manager/cargo/artifacts.ts
@@ -111,7 +111,7 @@ export async function updateArtifacts(
     logger.warn({ err }, 'Failed to update Cargo lock file');
     return [
       {
-        lockFileError: {
+        artifactError: {
           lockFile: lockFileName,
           stderr: err.message,
         },
diff --git a/lib/manager/common.ts b/lib/manager/common.ts
index d023298de5c701fd7e5bfa93e3be5f02e0368c33..692e9d4aba20ea1ef327abd0ced8d07392277f55 100644
--- a/lib/manager/common.ts
+++ b/lib/manager/common.ts
@@ -168,7 +168,6 @@ export interface ArtifactError {
 export interface UpdateArtifactsResult {
   artifactError?: ArtifactError;
   file?: { name: string; contents: string };
-  lockFileError?: ArtifactError;
 }
 
 export interface ManagerApi {
diff --git a/lib/manager/mix/artifacts.ts b/lib/manager/mix/artifacts.ts
index fb81f9c1f0b33caa7322e39f8617070762b42f9a..8cf648508a40dab05caabdc9828974cd61a926ca 100644
--- a/lib/manager/mix/artifacts.ts
+++ b/lib/manager/mix/artifacts.ts
@@ -32,7 +32,7 @@ export async function updateArtifacts(
     logger.warn({ err }, 'mix.exs could not be written');
     return [
       {
-        lockFileError: {
+        artifactError: {
           lockFile: lockFileName,
           stderr: err.message,
         },
@@ -74,7 +74,7 @@ export async function updateArtifacts(
 
     return [
       {
-        lockFileError: {
+        artifactError: {
           lockFile: lockFileName,
           stderr: err.message,
         },
diff --git a/lib/manager/poetry/artifacts.ts b/lib/manager/poetry/artifacts.ts
index 355ebd07856fa251816f06f9e2f925cb8a283719..37e410b91fb8ccce415b801d0ced1af5cef5599c 100644
--- a/lib/manager/poetry/artifacts.ts
+++ b/lib/manager/poetry/artifacts.ts
@@ -101,7 +101,7 @@ export async function updateArtifacts(
     logger.info({ err }, `Failed to update ${lockFileName} file`);
     return [
       {
-        lockFileError: {
+        artifactError: {
           lockFile: lockFileName,
           stderr: err.message,
         },
diff --git a/test/manager/cargo/__snapshots__/artifacts.spec.ts.snap b/test/manager/cargo/__snapshots__/artifacts.spec.ts.snap
index ccd5e65d0e22be6f15e31b85d1b19ba53bfde018..ddc20aefb29a84728bca6dbd45defd688a0d9095 100644
--- a/test/manager/cargo/__snapshots__/artifacts.spec.ts.snap
+++ b/test/manager/cargo/__snapshots__/artifacts.spec.ts.snap
@@ -3,7 +3,7 @@
 exports[`.updateArtifacts() catches errors 1`] = `
 Array [
   Object {
-    "lockFileError": Object {
+    "artifactError": Object {
       "lockFile": "Cargo.lock",
       "stderr": "not found",
     },
diff --git a/test/manager/mix/__snapshots__/artifacts.spec.ts.snap b/test/manager/mix/__snapshots__/artifacts.spec.ts.snap
index ea5a8db318f51be3c2a1f23c3db824080f555989..c6f6dfd972ab716b5c4b4f3105f90e1cdb83b1bf 100644
--- a/test/manager/mix/__snapshots__/artifacts.spec.ts.snap
+++ b/test/manager/mix/__snapshots__/artifacts.spec.ts.snap
@@ -3,7 +3,7 @@
 exports[`.updateArtifacts() catches errors 1`] = `
 Array [
   Object {
-    "lockFileError": Object {
+    "artifactError": Object {
       "lockFile": "mix.lock",
       "stderr": "not found",
     },
diff --git a/test/manager/poetry/__snapshots__/artifacts.spec.ts.snap b/test/manager/poetry/__snapshots__/artifacts.spec.ts.snap
index 14a4cc2b11b98c22bf5e7a010974140754f6b414..660c9d59568eb7eecedb28585563d7a1380ccd1b 100644
--- a/test/manager/poetry/__snapshots__/artifacts.spec.ts.snap
+++ b/test/manager/poetry/__snapshots__/artifacts.spec.ts.snap
@@ -3,7 +3,7 @@
 exports[`.updateArtifacts() catches errors 1`] = `
 Array [
   Object {
-    "lockFileError": Object {
+    "artifactError": Object {
       "lockFile": "poetry.lock",
       "stderr": "not found",
     },