[INFO] cloning repository https://github.com/ryanpbrewster/io_uring_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanpbrewster/io_uring_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2df88cf69339fc21d7a41cefe7f4fbd85af59f2d
[INFO] checking ryanpbrewster/io_uring_examples against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] finished tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] tweaked toml for git repo https://github.com/ryanpbrewster/io_uring_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanpbrewster/io_uring_examples 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `generate_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../generate_dataset
[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 `generate-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/generate_dataset.rs
[INFO] [stderr] 1 + src/bin/generate-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `io_uring_examples` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../io_uring_examples
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 - name = "io_uring_examples"
[INFO] [stderr] 32 + name = "io-uring-examples"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 ~ version = "0.1.0"
[INFO] [stderr] 34 + [[bin]]
[INFO] [stderr] 35 + name = "io-uring-examples"
[INFO] [stderr] 36 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `read_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../read_dataset
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_dataset.rs
[INFO] [stderr] 1 + src/bin/read-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `io_uring_examples` (manifest) generated 3 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ryanpbrewster/io_uring_examples against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] finished tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] tweaked toml for git repo https://github.com/ryanpbrewster/io_uring_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanpbrewster/io_uring_examples 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `generate_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../generate_dataset
[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 `generate-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/generate_dataset.rs
[INFO] [stderr] 1 + src/bin/generate-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `io_uring_examples` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../io_uring_examples
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 - name = "io_uring_examples"
[INFO] [stderr] 32 + name = "io-uring-examples"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 ~ version = "0.1.0"
[INFO] [stderr] 34 + [[bin]]
[INFO] [stderr] 35 + name = "io-uring-examples"
[INFO] [stderr] 36 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `read_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../read_dataset
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_dataset.rs
[INFO] [stderr] 1 + src/bin/read-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `io_uring_examples` (manifest) generated 3 warnings
[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 ryanpbrewster/io_uring_examples against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] finished tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] tweaked toml for git repo https://github.com/ryanpbrewster/io_uring_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanpbrewster/io_uring_examples 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `generate_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../generate_dataset
[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 `generate-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/generate_dataset.rs
[INFO] [stderr] 1 + src/bin/generate-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `io_uring_examples` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../io_uring_examples
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 - name = "io_uring_examples"
[INFO] [stderr] 32 + name = "io-uring-examples"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 ~ version = "0.1.0"
[INFO] [stderr] 34 + [[bin]]
[INFO] [stderr] 35 + name = "io-uring-examples"
[INFO] [stderr] 36 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `read_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../read_dataset
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_dataset.rs
[INFO] [stderr] 1 + src/bin/read-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `io_uring_examples` (manifest) generated 3 warnings
[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 ryanpbrewster/io_uring_examples against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] finished tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] tweaked toml for git repo https://github.com/ryanpbrewster/io_uring_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanpbrewster/io_uring_examples 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `generate_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../generate_dataset
[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 `generate-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/generate_dataset.rs
[INFO] [stderr] 1 + src/bin/generate-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `io_uring_examples` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../io_uring_examples
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 - name = "io_uring_examples"
[INFO] [stderr] 32 + name = "io-uring-examples"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 ~ version = "0.1.0"
[INFO] [stderr] 34 + [[bin]]
[INFO] [stderr] 35 + name = "io-uring-examples"
[INFO] [stderr] 36 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `read_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../read_dataset
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_dataset.rs
[INFO] [stderr] 1 + src/bin/read-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `io_uring_examples` (manifest) generated 3 warnings
[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 ryanpbrewster/io_uring_examples against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanpbrewster%2Fio_uring_examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] finished tweaking git repo https://github.com/ryanpbrewster/io_uring_examples
[INFO] tweaked toml for git repo https://github.com/ryanpbrewster/io_uring_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanpbrewster/io_uring_examples on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanpbrewster/io_uring_examples 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `generate_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../generate_dataset
[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 `generate-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/generate_dataset.rs
[INFO] [stderr] 1 + src/bin/generate-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `io_uring_examples` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../io_uring_examples
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 - name = "io_uring_examples"
[INFO] [stderr] 32 + name = "io-uring-examples"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `io-uring-examples`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 ~ version = "0.1.0"
[INFO] [stderr] 34 + [[bin]]
[INFO] [stderr] 35 + name = "io-uring-examples"
[INFO] [stderr] 36 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: binary `read_dataset` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../read_dataset
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-dataset`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_dataset.rs
[INFO] [stderr] 1 + src/bin/read-dataset.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `io_uring_examples` (manifest) generated 3 warnings
[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