[INFO] cloning repository https://github.com/jvarCS/Rust-driver-work
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jvarCS/Rust-driver-work" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjvarCS%2FRust-driver-work", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjvarCS%2FRust-driver-work'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34dad99d0d80964dcd97cb0bb10be61cf1c8530b
[INFO] checking jvarCS/Rust-driver-work 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%2FjvarCS%2FRust-driver-work" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (190647/190647), done.
[INFO] started tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] finished tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] tweaked toml for git repo https://github.com/jvarCS/Rust-driver-work written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jvarCS/Rust-driver-work 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/jvarCS/Rust-driver-work 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: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/clippy_lints/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy_lints` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/rustfmt/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rustfmt-nightly` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `rustdoc_tool_binary` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../rustdoc_tool_binary
[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 `rustdoc-tool-binary`, convert `bin.name`
[INFO] [stderr]   --> src/tools/rustdoc/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rustdoc_tool_binary"
[INFO] [stderr] 10 + name = "rustdoc-tool-binary"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rustdoc-tool` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `clippy_dev` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../clippy_dev
[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 `clippy-dev`, convert `package.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "clippy_dev"
[INFO] [stderr]  2 + name = "clippy-dev"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `clippy-dev`, specify `bin.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ rustc_private = true
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "clippy-dev"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `clippy_dev` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `error_index_generator` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../error_index_generator
[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 `error-index-generator`, convert `bin.name`
[INFO] [stderr]   --> src/tools/error_index_generator/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "error_index_generator"
[INFO] [stderr] 10 + name = "error-index-generator"
[INFO] [stderr]    |
[INFO] [stderr] warning: `error_index_generator` (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 jvarCS/Rust-driver-work 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%2FjvarCS%2FRust-driver-work" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (190647/190647), done.
[INFO] started tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] finished tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] tweaked toml for git repo https://github.com/jvarCS/Rust-driver-work written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jvarCS/Rust-driver-work 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/jvarCS/Rust-driver-work 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: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/clippy_lints/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy_lints` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/rustfmt/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rustfmt-nightly` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `rustdoc_tool_binary` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../rustdoc_tool_binary
[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 `rustdoc-tool-binary`, convert `bin.name`
[INFO] [stderr]   --> src/tools/rustdoc/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rustdoc_tool_binary"
[INFO] [stderr] 10 + name = "rustdoc-tool-binary"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rustdoc-tool` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `clippy_dev` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../clippy_dev
[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 `clippy-dev`, convert `package.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "clippy_dev"
[INFO] [stderr]  2 + name = "clippy-dev"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `clippy-dev`, specify `bin.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ rustc_private = true
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "clippy-dev"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `clippy_dev` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `error_index_generator` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../error_index_generator
[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 `error-index-generator`, convert `bin.name`
[INFO] [stderr]   --> src/tools/error_index_generator/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "error_index_generator"
[INFO] [stderr] 10 + name = "error-index-generator"
[INFO] [stderr]    |
[INFO] [stderr] warning: `error_index_generator` (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 jvarCS/Rust-driver-work 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%2FjvarCS%2FRust-driver-work" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (190647/190647), done.
[INFO] started tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] finished tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] tweaked toml for git repo https://github.com/jvarCS/Rust-driver-work written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jvarCS/Rust-driver-work 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/jvarCS/Rust-driver-work 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: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/clippy_lints/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy_lints` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/rustfmt/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rustfmt-nightly` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `rustdoc_tool_binary` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../rustdoc_tool_binary
[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 `rustdoc-tool-binary`, convert `bin.name`
[INFO] [stderr]   --> src/tools/rustdoc/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rustdoc_tool_binary"
[INFO] [stderr] 10 + name = "rustdoc-tool-binary"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rustdoc-tool` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `clippy_dev` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../clippy_dev
[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 `clippy-dev`, convert `package.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "clippy_dev"
[INFO] [stderr]  2 + name = "clippy-dev"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `clippy-dev`, specify `bin.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ rustc_private = true
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "clippy-dev"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `clippy_dev` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `error_index_generator` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../error_index_generator
[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 `error-index-generator`, convert `bin.name`
[INFO] [stderr]   --> src/tools/error_index_generator/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "error_index_generator"
[INFO] [stderr] 10 + name = "error-index-generator"
[INFO] [stderr]    |
[INFO] [stderr] warning: `error_index_generator` (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 jvarCS/Rust-driver-work 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%2FjvarCS%2FRust-driver-work" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:   6% (12709/190647)
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Updating files: 100% (190647/190647), done.
[INFO] started tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] finished tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] tweaked toml for git repo https://github.com/jvarCS/Rust-driver-work written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jvarCS/Rust-driver-work 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/jvarCS/Rust-driver-work 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: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/clippy_lints/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy_lints` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/rustfmt/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rustfmt-nightly` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `rustdoc_tool_binary` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../rustdoc_tool_binary
[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 `rustdoc-tool-binary`, convert `bin.name`
[INFO] [stderr]   --> src/tools/rustdoc/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rustdoc_tool_binary"
[INFO] [stderr] 10 + name = "rustdoc-tool-binary"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rustdoc-tool` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `clippy_dev` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../clippy_dev
[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 `clippy-dev`, convert `package.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "clippy_dev"
[INFO] [stderr]  2 + name = "clippy-dev"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `clippy-dev`, specify `bin.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ rustc_private = true
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "clippy-dev"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `clippy_dev` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `error_index_generator` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../error_index_generator
[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 `error-index-generator`, convert `bin.name`
[INFO] [stderr]   --> src/tools/error_index_generator/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "error_index_generator"
[INFO] [stderr] 10 + name = "error-index-generator"
[INFO] [stderr]    |
[INFO] [stderr] warning: `error_index_generator` (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 jvarCS/Rust-driver-work 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%2FjvarCS%2FRust-driver-work" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:   6% (12706/190647)
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[INFO] started tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] finished tweaking git repo https://github.com/jvarCS/Rust-driver-work
[INFO] tweaked toml for git repo https://github.com/jvarCS/Rust-driver-work written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jvarCS/Rust-driver-work 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/jvarCS/Rust-driver-work 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: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/clippy_lints/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy_lints` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/rustfmt/Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rustfmt-nightly` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `rustdoc_tool_binary` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../rustdoc_tool_binary
[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 `rustdoc-tool-binary`, convert `bin.name`
[INFO] [stderr]   --> src/tools/rustdoc/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rustdoc_tool_binary"
[INFO] [stderr] 10 + name = "rustdoc-tool-binary"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rustdoc-tool` (manifest) generated 1 warning
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]  --> src/tools/clippy/Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | readme = "README.md"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `clippy` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `clippy_dev` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../clippy_dev
[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 `clippy-dev`, convert `package.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "clippy_dev"
[INFO] [stderr]  2 + name = "clippy-dev"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `clippy-dev`, specify `bin.name`
[INFO] [stderr]   --> src/tools/clippy/clippy_dev/Cargo.toml:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ rustc_private = true
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "clippy-dev"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `clippy_dev` (manifest) generated 1 warning
[INFO] [stderr] warning: binary `error_index_generator` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-2-tc2/source/target/.../error_index_generator
[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 `error-index-generator`, convert `bin.name`
[INFO] [stderr]   --> src/tools/error_index_generator/Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "error_index_generator"
[INFO] [stderr] 10 + name = "error-index-generator"
[INFO] [stderr]    |
[INFO] [stderr] warning: `error_index_generator` (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