[INFO] cloning repository https://github.com/Jta26/KrakenZLCDDriver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jta26/KrakenZLCDDriver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJta26%2FKrakenZLCDDriver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJta26%2FKrakenZLCDDriver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fa19cd329d72863150a7b64737dcc3056d1b281
[INFO] checking Jta26/KrakenZLCDDriver against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJta26%2FKrakenZLCDDriver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jta26/KrakenZLCDDriver on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jta26/KrakenZLCDDriver
[INFO] finished tweaking git repo https://github.com/Jta26/KrakenZLCDDriver
[INFO] tweaked toml for git repo https://github.com/Jta26/KrakenZLCDDriver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jta26/KrakenZLCDDriver 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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 Jta26/KrakenZLCDDriver against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJta26%2FKrakenZLCDDriver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jta26/KrakenZLCDDriver on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jta26/KrakenZLCDDriver
[INFO] finished tweaking git repo https://github.com/Jta26/KrakenZLCDDriver
[INFO] tweaked toml for git repo https://github.com/Jta26/KrakenZLCDDriver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jta26/KrakenZLCDDriver 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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 rusb v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c127d12d60e41d1871282212d64edea5d00fbf55b9a3eec8dd7f72047e9c92
[INFO] running `Command { std: "docker" "start" "-a" "b7c127d12d60e41d1871282212d64edea5d00fbf55b9a3eec8dd7f72047e9c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c127d12d60e41d1871282212d64edea5d00fbf55b9a3eec8dd7f72047e9c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c127d12d60e41d1871282212d64edea5d00fbf55b9a3eec8dd7f72047e9c92", kill_on_drop: false }`
[INFO] [stdout] b7c127d12d60e41d1871282212d64edea5d00fbf55b9a3eec8dd7f72047e9c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0193450dbcce04096577fdfedc66910f2ba41390f8d0354ede0b82312801fcfb
[INFO] running `Command { std: "docker" "start" "-a" "0193450dbcce04096577fdfedc66910f2ba41390f8d0354ede0b82312801fcfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling rusb v0.9.1
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]     Checking kraken_z_lcd_driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `image`
[INFO] [stdout]   --> src/kraken_controller.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn set_image(mut self, image: Vec<u8>) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `image`
[INFO] [stdout]   --> src/kraken_controller.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn set_image(mut self, image: Vec<u8>) {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_image`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `configure_bulk_endpoint` is never used
[INFO] [stdout]   --> src/usb_config.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn configure_bulk_endpoint(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `configure_bulk_endpoint` is never used
[INFO] [stdout]   --> src/usb_config.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn configure_bulk_endpoint(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_blank` is never used
[INFO] [stdout]   --> src/kraken_controller.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl KrakenController {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_blank(mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WRITE_BULK_LENGTH` is never used
[INFO] [stdout]   --> src/kraken_driver.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const WRITE_BULK_LENGTH: usize = 512;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_blank` is never used
[INFO] [stdout]   --> src/kraken_controller.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl KrakenController {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_blank(mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SWITCH_ADDRESS` is never used
[INFO] [stdout]   --> src/kraken_driver.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SWITCH_ADDRESS: u8 = 0x38;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WRITE_BULK_LENGTH` is never used
[INFO] [stdout]   --> src/kraken_driver.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const WRITE_BULK_LENGTH: usize = 512;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SWITCH_ADDRESS` is never used
[INFO] [stdout]   --> src/kraken_driver.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SWITCH_ADDRESS: u8 = 0x38;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bulk_endpoint`, `interrupt_read_endpoint`, and `image_index` are never read
[INFO] [stdout]   --> src/kraken_driver.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct KrakenDriver {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     handle: DeviceHandle<Context>,
[INFO] [stdout] 18 |     bulk_endpoint: Endpoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     interrupt_write_endpoint: Endpoint,
[INFO] [stdout] 20 |     interrupt_read_endpoint: Endpoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     image_index: u8
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_switch` and `send_bulk_out` are never used
[INFO] [stdout]    --> src/kraken_driver.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl KrakenDriver {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn send_switch(&mut self, index: u8, mode: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn send_bulk_out(&self, buffer: &[u8]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bulk_endpoint`, `interrupt_read_endpoint`, and `image_index` are never read
[INFO] [stdout]   --> src/kraken_driver.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct KrakenDriver {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     handle: DeviceHandle<Context>,
[INFO] [stdout] 18 |     bulk_endpoint: Endpoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     interrupt_write_endpoint: Endpoint,
[INFO] [stdout] 20 |     interrupt_read_endpoint: Endpoint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     image_index: u8
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_into_512` is never used
[INFO] [stdout]  --> src/kraken_driver_utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn slice_into_512(buffer: &[u8]) -> Vec<Vec<u8>>  {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_switch` and `send_bulk_out` are never used
[INFO] [stdout]    --> src/kraken_driver.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl KrakenDriver {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn send_switch(&mut self, index: u8, mode: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn send_bulk_out(&self, buffer: &[u8]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_into_512` is never used
[INFO] [stdout]  --> src/kraken_driver_utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn slice_into_512(buffer: &[u8]) -> Vec<Vec<u8>>  {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "0193450dbcce04096577fdfedc66910f2ba41390f8d0354ede0b82312801fcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0193450dbcce04096577fdfedc66910f2ba41390f8d0354ede0b82312801fcfb", kill_on_drop: false }`
[INFO] [stdout] 0193450dbcce04096577fdfedc66910f2ba41390f8d0354ede0b82312801fcfb