[INFO] cloning repository https://github.com/xhz10/i2c_oled_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xhz10/i2c_oled_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhz10%2Fi2c_oled_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhz10%2Fi2c_oled_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39669cb3a2e449931af87e66b0687d7ff017a22
[INFO] checking xhz10/i2c_oled_rust 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%2Fxhz10%2Fi2c_oled_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xhz10/i2c_oled_rust
[INFO] finished tweaking git repo https://github.com/xhz10/i2c_oled_rust
[INFO] tweaked toml for git repo https://github.com/xhz10/i2c_oled_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xhz10/i2c_oled_rust 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/xhz10/i2c_oled_rust 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 `i2c_oled_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../i2c_oled_rust
[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 `i2c-oled-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 - name = "i2c_oled_rust"
[INFO] [stderr] 15 + name = "i2c-oled-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `i2c-oled-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 ~ version = "1.1.0"
[INFO] [stderr] 17 + [[bin]]
[INFO] [stderr] 18 + name = "i2c-oled-rust"
[INFO] [stderr] 19 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `i2c_oled_rust` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking xhz10/i2c_oled_rust 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%2Fxhz10%2Fi2c_oled_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xhz10/i2c_oled_rust
[INFO] finished tweaking git repo https://github.com/xhz10/i2c_oled_rust
[INFO] tweaked toml for git repo https://github.com/xhz10/i2c_oled_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xhz10/i2c_oled_rust 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/xhz10/i2c_oled_rust 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 `i2c_oled_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-4-tc2/source/target/.../i2c_oled_rust
[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 `i2c-oled-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 - name = "i2c_oled_rust"
[INFO] [stderr] 15 + name = "i2c-oled-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `i2c-oled-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 ~ version = "1.1.0"
[INFO] [stderr] 17 + [[bin]]
[INFO] [stderr] 18 + name = "i2c-oled-rust"
[INFO] [stderr] 19 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `i2c_oled_rust` (manifest) generated 1 warning
[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 systemstat v0.2.3
[INFO] [stderr]   Downloaded display-interface-spi v0.4.1
[INFO] [stderr]   Downloaded display-interface v0.4.1
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded ssd1306 v0.7.1
[INFO] [stderr]   Downloaded display-interface-i2c v0.4.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded spin_sleep v1.2.0
[INFO] [stderr]   Downloaded dht11_gpio v0.1.0
[INFO] [stderr]   Downloaded dht11 v0.3.1
[INFO] [stderr]   Downloaded rppal v0.18.0
[INFO] [stderr]   Downloaded rppal v0.16.1
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624
[INFO] running `Command { std: "docker" "start" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624", 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" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624", 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" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `i2c_oled_rust` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../i2c_oled_rust
[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 `i2c-oled-rust`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 - name = "i2c_oled_rust"
[INFO] [stderr] 15 + name = "i2c-oled-rust"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `i2c-oled-rust`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 ~ version = "1.1.0"
[INFO] [stderr] 17 + [[bin]]
[INFO] [stderr] 18 + name = "i2c-oled-rust"
[INFO] [stderr] 19 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `i2c_oled_rust` (manifest) generated 1 warning
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking display-interface v0.4.1
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking bytesize v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking spin_sleep v1.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking display-interface-i2c v0.4.0
[INFO] [stderr]     Checking display-interface-spi v0.4.1
[INFO] [stderr]     Checking dht11 v0.3.1
[INFO] [stderr]     Checking rppal v0.16.1
[INFO] [stderr]     Checking rppal v0.18.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `&[Segment<'_, '_>]`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rppal-0.16.1/src/spi/ioctl.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             segments,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `&[Segment<'_, '_>]` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rppal-0.16.1/src/spi/ioctl.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             segments,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rppal` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `&[Segment<'_, '_>]`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rppal-0.18.0/src/spi/ioctl.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             segments,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `&[Segment<'_, '_>]` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rppal-0.18.0/src/spi/ioctl.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |             segments,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rppal` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624", kill_on_drop: false }`
[INFO] [stdout] 2c953be49e124de99380f3206a8c8a17cd9c011db60fa77cc4443e767b239624
