[INFO] updating cached repository marcusrossel/rust-arduino
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marcusrossel/rust-arduino
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marcusrossel/rust-arduino" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/marcusrossel/rust-arduino"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/marcusrossel/rust-arduino'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcusrossel/rust-arduino" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/marcusrossel/rust-arduino"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/marcusrossel/rust-arduino'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c234e9eac01bf5869cb4f572a427e9cadc01cd54
[INFO] sha for GitHub repo marcusrossel/rust-arduino: c234e9eac01bf5869cb4f572a427e9cadc01cd54
[INFO] validating manifest of marcusrossel/rust-arduino on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marcusrossel/rust-arduino on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marcusrossel/rust-arduino
[INFO] finished frobbing marcusrossel/rust-arduino
[INFO] frobbed toml for marcusrossel/rust-arduino written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/marcusrossel/rust-arduino/Cargo.toml
[INFO] started frobbing marcusrossel/rust-arduino
[INFO] finished frobbing marcusrossel/rust-arduino
[INFO] frobbed toml for marcusrossel/rust-arduino written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/marcusrossel/rust-arduino/Cargo.toml
[INFO] crate marcusrossel/rust-arduino already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking marcusrossel/rust-arduino against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/marcusrossel/rust-arduino:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f69e52cbaa5f954d8a71f6288b03635bf8b29e877516d0feb4c78aa265df0d64
[INFO] running `"docker" "start" "-a" "f69e52cbaa5f954d8a71f6288b03635bf8b29e877516d0feb4c78aa265df0d64"`
[INFO] [stderr]     Checking termios v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial v0.2.1
[INFO] [stderr]     Checking firmata v0.2.0
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking arduinors v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/cli/core.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn id(&self) -> &str { &self.ID }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `version`
[INFO] [stderr]   --> src/cli/core.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn version(&self) -> &str { &self.Version }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/cli/core.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn name(&self) -> &str { &self.Name }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `install_core`
[INFO] [stderr]   --> src/cli/core.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn install_core(id: &str) -> Result<(), Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_core_index`
[INFO] [stderr]   --> src/cli/core.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn update_core_index() -> Result<(), Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `core_list_all`
[INFO] [stderr]   --> src/cli/core.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn core_list_all() -> Result<Vec<Core>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cores_from_json`
[INFO] [stderr]   --> src/cli/core.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn cores_from_json(core_json: &str) -> Result<Vec<Core>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/cli/core.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn id(&self) -> &str { &self.ID }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `version`
[INFO] [stderr]   --> src/cli/core.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn version(&self) -> &str { &self.Version }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/cli/core.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn name(&self) -> &str { &self.Name }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `install_core`
[INFO] [stderr]   --> src/cli/core.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn install_core(id: &str) -> Result<(), Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_core_index`
[INFO] [stderr]   --> src/cli/core.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn update_core_index() -> Result<(), Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `core_list_all`
[INFO] [stderr]   --> src/cli/core.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn core_list_all() -> Result<Vec<Core>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `"docker" "inspect" "f69e52cbaa5f954d8a71f6288b03635bf8b29e877516d0feb4c78aa265df0d64"`
[INFO] running `"docker" "rm" "-f" "f69e52cbaa5f954d8a71f6288b03635bf8b29e877516d0feb4c78aa265df0d64"`
[INFO] [stdout] f69e52cbaa5f954d8a71f6288b03635bf8b29e877516d0feb4c78aa265df0d64