[INFO] cloning repository https://github.com/prajithkb/perf_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajithkb/perf_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Fperf_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajithkb%2Fperf_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5c3e12db8dce0c4382c80ee998e174f3f799bd7
[INFO] checking prajithkb/perf_test 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%2Fprajithkb%2Fperf_test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/prajithkb/perf_test
[INFO] finished tweaking git repo https://github.com/prajithkb/perf_test
[INFO] tweaked toml for git repo https://github.com/prajithkb/perf_test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prajithkb/perf_test 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/prajithkb/perf_test 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 `async_perf` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../async_perf
[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 `async-perf`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 - name = "async_perf"
[INFO] [stderr] 6 + name = "async-perf"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `thread_perf` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc2/source/target/.../thread_perf
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `thread-perf`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "thread_perf"
[INFO] [stderr] 10 + name = "thread-perf"
[INFO] [stderr]    |
[INFO] [stderr] warning: `perf_test` (manifest) generated 2 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 prajithkb/perf_test 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%2Fprajithkb%2Fperf_test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/prajithkb/perf_test
[INFO] finished tweaking git repo https://github.com/prajithkb/perf_test
[INFO] tweaked toml for git repo https://github.com/prajithkb/perf_test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prajithkb/perf_test 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/prajithkb/perf_test 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 `async_perf` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../async_perf
[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 `async-perf`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 - name = "async_perf"
[INFO] [stderr] 6 + name = "async-perf"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `thread_perf` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc2/source/target/.../thread_perf
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `thread-perf`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "thread_perf"
[INFO] [stderr] 10 + name = "thread-perf"
[INFO] [stderr]    |
[INFO] [stderr] warning: `perf_test` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750
[INFO] running `Command { std: "docker" "start" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `async_perf` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../async_perf
[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 `async-perf`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 - name = "async_perf"
[INFO] [stderr] 6 + name = "async-perf"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `thread_perf` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../thread_perf
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `thread-perf`, convert `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "thread_perf"
[INFO] [stderr] 10 + name = "thread-perf"
[INFO] [stderr]    |
[INFO] [stderr] warning: `perf_test` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking perf_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tps`
[INFO] [stdout]  --> src/load_test_thread.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_tps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]  --> src/load_test_thread.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tps`
[INFO] [stdout]  --> src/load_test_thread.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_tps`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `threads`
[INFO] [stdout]  --> src/load_test_thread.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub async fn load_test(tps: usize, threads: usize) {}
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7`
[INFO] running `Command { std: "docker" "inspect" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750", kill_on_drop: false }`
[INFO] [stdout] 468097339c7f2ff8606cec7936fd261647b5e4923ba626b40ae6215d71e84750
