[INFO] cloning repository https://github.com/jrskg/rust-todo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrskg/rust-todo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fb70a4f7b2d39e7fc4923274fcdc8d43aff3c47
[INFO] checking jrskg/rust-todo-server against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] finished tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] tweaked toml for git repo https://github.com/jrskg/rust-todo-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jrskg/rust-todo-server on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jrskg/rust-todo-server 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `todo_rust_server` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc2/source/target/.../todo_rust_server
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 - name = "todo_rust_server"
[INFO] [stderr] 23 + name = "todo-rust-server"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 ~ version = "0.1.0"
[INFO] [stderr] 25 + [[bin]]
[INFO] [stderr] 26 + name = "todo-rust-server"
[INFO] [stderr] 27 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `todo_rust_server` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jrskg/rust-todo-server against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] finished tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] tweaked toml for git repo https://github.com/jrskg/rust-todo-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jrskg/rust-todo-server on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jrskg/rust-todo-server 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `todo_rust_server` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc2/source/target/.../todo_rust_server
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 - name = "todo_rust_server"
[INFO] [stderr] 23 + name = "todo-rust-server"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 ~ version = "0.1.0"
[INFO] [stderr] 25 + [[bin]]
[INFO] [stderr] 26 + name = "todo-rust-server"
[INFO] [stderr] 27 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `todo_rust_server` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jrskg/rust-todo-server against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] finished tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] tweaked toml for git repo https://github.com/jrskg/rust-todo-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jrskg/rust-todo-server on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jrskg/rust-todo-server 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `todo_rust_server` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc2/source/target/.../todo_rust_server
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 - name = "todo_rust_server"
[INFO] [stderr] 23 + name = "todo-rust-server"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 ~ version = "0.1.0"
[INFO] [stderr] 25 + [[bin]]
[INFO] [stderr] 26 + name = "todo-rust-server"
[INFO] [stderr] 27 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `todo_rust_server` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jrskg/rust-todo-server against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] finished tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] tweaked toml for git repo https://github.com/jrskg/rust-todo-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jrskg/rust-todo-server on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jrskg/rust-todo-server 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `todo_rust_server` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc2/source/target/.../todo_rust_server
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 - name = "todo_rust_server"
[INFO] [stderr] 23 + name = "todo-rust-server"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 ~ version = "0.1.0"
[INFO] [stderr] 25 + [[bin]]
[INFO] [stderr] 26 + name = "todo-rust-server"
[INFO] [stderr] 27 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `todo_rust_server` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jrskg/rust-todo-server against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrskg%2Frust-todo-server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] finished tweaking git repo https://github.com/jrskg/rust-todo-server
[INFO] tweaked toml for git repo https://github.com/jrskg/rust-todo-server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jrskg/rust-todo-server on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jrskg/rust-todo-server 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `todo_rust_server` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-1-tc2/source/target/.../todo_rust_server
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 - name = "todo_rust_server"
[INFO] [stderr] 23 + name = "todo-rust-server"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `todo-rust-server`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 ~ version = "0.1.0"
[INFO] [stderr] 25 + [[bin]]
[INFO] [stderr] 26 + name = "todo-rust-server"
[INFO] [stderr] 27 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `todo_rust_server` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


overridden task result to prepare-fail:timeout

Caused by:
    0: uncategorized prepare error
    1: no output for 300 seconds