[INFO] cloning repository https://github.com/robdimsdale/desk_controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robdimsdale/desk_controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fdesk_controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fdesk_controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f6d348c4b1121be46376c95aca26fd46be76c48
[INFO] checking robdimsdale/desk_controller against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobdimsdale%2Fdesk_controller" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robdimsdale/desk_controller on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robdimsdale/desk_controller
[INFO] finished tweaking git repo https://github.com/robdimsdale/desk_controller
[INFO] tweaked toml for git repo https://github.com/robdimsdale/desk_controller written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/robdimsdale/desk_controller already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b7758bd4f72df53b9b8e08f0117879d449fef656f9993ceea91e342e3bb4d03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b7758bd4f72df53b9b8e08f0117879d449fef656f9993ceea91e342e3bb4d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b7758bd4f72df53b9b8e08f0117879d449fef656f9993ceea91e342e3bb4d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7758bd4f72df53b9b8e08f0117879d449fef656f9993ceea91e342e3bb4d03", kill_on_drop: false }`
[INFO] [stdout] 6b7758bd4f72df53b9b8e08f0117879d449fef656f9993ceea91e342e3bb4d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e324775637a56d40afbbc27c90ed52abcdc9e21c0affdc03e50d40b3a31c0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "78e324775637a56d40afbbc27c90ed52abcdc9e21c0affdc03e50d40b3a31c0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.6
[INFO] [stderr]    Compiling rocket v0.4.6
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]    Compiling aes-gcm v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]     Checking rocket_http v0.4.6
[INFO] [stderr]     Checking desk_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/not_rpi.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn write_to_panel(message: DeskToPanelMessage) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/not_rpi.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn write_to_desk(message: PanelToDeskMessage) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_start_byte`
[INFO] [stdout]   --> src/protocol.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn is_start_byte(b: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_frame`
[INFO] [stdout]   --> src/protocol.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn validate_frame(frame: &DataFrame) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]    --> src/protocol.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     Unknown(u8, u8, u8, u8, u8),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_frame`
[INFO] [stdout]    --> src/protocol.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn from_frame(frame: &DataFrame) -> DeskToPanelMessage {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/not_rpi.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn write_to_panel(message: DeskToPanelMessage) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/not_rpi.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn write_to_desk(message: PanelToDeskMessage) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_start_byte`
[INFO] [stdout]   --> src/protocol.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn is_start_byte(b: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "78e324775637a56d40afbbc27c90ed52abcdc9e21c0affdc03e50d40b3a31c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e324775637a56d40afbbc27c90ed52abcdc9e21c0affdc03e50d40b3a31c0d", kill_on_drop: false }`
[INFO] [stdout] 78e324775637a56d40afbbc27c90ed52abcdc9e21c0affdc03e50d40b3a31c0d