[INFO] cloning repository https://github.com/luyikk/csharp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luyikk/csharp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Fcsharp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Fcsharp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb27fc7743d80c96deecf7fcd1dca19364539bc6
[INFO] fixing luyikk/csharp against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluyikk%2Fcsharp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luyikk/csharp
[INFO] finished tweaking git repo https://github.com/luyikk/csharp
[INFO] tweaked toml for git repo https://github.com/luyikk/csharp written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luyikk/csharp on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luyikk/csharp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded darling_macro v0.13.2
[INFO] [stderr]   Downloaded heck v0.4.0
[INFO] [stderr]   Downloaded darling v0.13.2
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded darling_core v0.13.2
[INFO] [stderr]   Downloaded interoptopus_backend_cpython v0.14.0
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus_backend_csharp/0.14.0/download` (151.101.2.137), got 500
[INFO] [stderr] body:
[INFO] [stderr] error sending request: generic send error: Error occurred processing send to backend us-west-1
[INFO] [stderr]   Downloaded interoptopus_proc v0.14.0
[INFO] [stderr]   Downloaded interoptopus_backend_csharp v0.14.0
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
[INFO] [stderr] body:
[INFO] [stderr] error sending request: generic send error: Error occurred processing send to backend us-west-1
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
[INFO] [stderr] body:
[INFO] [stderr] error sending request: generic send error: Error occurred processing send to backend us-west-1
[INFO] [stderr] warning: spurious network error (1 try remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
[INFO] [stderr] body:
[INFO] [stderr] error sending request: generic send error: Error occurred processing send to backend us-west-1
[INFO] [stderr] error: failed to download from `https://static.crates.io/crates/interoptopus/0.14.1/download`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
[INFO] [stderr]   debug headers:
[INFO] [stderr]   x-served-by: cache-chi-kigq8000041-CHI
[INFO] [stderr]   body:
[INFO] [stderr]   error sending request: generic send error: Error occurred processing send to backend us-west-1


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
        Downloading crates ...
         Downloaded quote v1.0.17
         Downloaded strsim v0.10.0
         Downloaded darling_macro v0.13.2
         Downloaded heck v0.4.0
         Downloaded darling v0.13.2
         Downloaded syn v1.0.90
         Downloaded proc-macro2 v1.0.36
         Downloaded darling_core v0.13.2
         Downloaded interoptopus_backend_cpython v0.14.0
       warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus_backend_csharp/0.14.0/download` (151.101.2.137), got 500
       body:
       error sending request: generic send error: Error occurred processing send to backend us-west-1
         Downloaded interoptopus_proc v0.14.0
         Downloaded interoptopus_backend_csharp v0.14.0
       warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
       body:
       error sending request: generic send error: Error occurred processing send to backend us-west-1
       warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
       body:
       error sending request: generic send error: Error occurred processing send to backend us-west-1
       warning: spurious network error (1 try remaining): failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
       body:
       error sending request: generic send error: Error occurred processing send to backend us-west-1
       error: failed to download from `https://static.crates.io/crates/interoptopus/0.14.1/download`
       
       Caused by:
         failed to get successful HTTP response from `https://static.crates.io/crates/interoptopus/0.14.1/download` (151.101.2.137), got 500
         debug headers:
         x-served-by: cache-chi-kigq8000041-CHI
         body:
         error sending request: generic send error: Error occurred processing send to backend us-west-1