[INFO] crate xbee_s2c 0.1.0 is already in cache
[INFO] extracting crate xbee_s2c 0.1.0 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/xbee_s2c/0.1.0
[INFO] extracting crate xbee_s2c 0.1.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/xbee_s2c/0.1.0
[INFO] validating manifest of xbee_s2c-0.1.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xbee_s2c-0.1.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xbee_s2c-0.1.0
[INFO] finished frobbing xbee_s2c-0.1.0
[INFO] frobbed toml for xbee_s2c-0.1.0 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/xbee_s2c/0.1.0/Cargo.toml
[INFO] started frobbing xbee_s2c-0.1.0
[INFO] finished frobbing xbee_s2c-0.1.0
[INFO] frobbed toml for xbee_s2c-0.1.0 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/xbee_s2c/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xbee_s2c-0.1.0 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/xbee_s2c/0.1.0:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec11b0a3267b6b0c963e6fd2b1e26c58b4367c2a2a680040c35b21252ad9a9f7
[INFO] running `"docker" "start" "-a" "ec11b0a3267b6b0c963e6fd2b1e26c58b4367c2a2a680040c35b21252ad9a9f7"`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking arraydeque v0.4.3
[INFO] [stderr]     Checking embedded-hal v0.2.2
[INFO] [stderr]     Checking xbee_s2c v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `frame_id`
[INFO] [stderr]    --> src/lib.rs:321:34
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn at_command(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                  ^^^^^^^^ help: consider prefixing with an underscore: `_frame_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `at_cmd`
[INFO] [stderr]    --> src/lib.rs:321:48
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn at_command(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                ^^^^^^ help: consider prefixing with an underscore: `_at_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/lib.rs:321:65
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn at_command(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                 ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_id`
[INFO] [stderr]    --> src/lib.rs:325:38
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn at_queue_param(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                      ^^^^^^^^ help: consider prefixing with an underscore: `_frame_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `at_cmd`
[INFO] [stderr]    --> src/lib.rs:325:52
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn at_queue_param(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                    ^^^^^^ help: consider prefixing with an underscore: `_at_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/lib.rs:325:69
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn at_queue_param(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_id`
[INFO] [stderr]    --> src/lib.rs:329:41
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                         ^^^^^^^^ help: consider prefixing with an underscore: `_frame_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/lib.rs:329:55
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                       ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `at_cmd`
[INFO] [stderr]    --> src/lib.rs:329:67
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_at_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/lib.rs:329:84
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                                    ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `escaped`
[INFO] [stderr]   --> src/api_frame.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     escaped: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `encrypted`
[INFO] [stderr]   --> src/api_frame.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     encrypted: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `frame_type`
[INFO] [stderr]    --> src/api_frame.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn frame_type(&self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_id`
[INFO] [stderr]    --> src/lib.rs:321:34
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn at_command(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                  ^^^^^^^^ help: consider prefixing with an underscore: `_frame_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `at_cmd`
[INFO] [stderr]    --> src/lib.rs:321:48
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn at_command(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                ^^^^^^ help: consider prefixing with an underscore: `_at_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/lib.rs:321:65
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn at_command(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                 ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_id`
[INFO] [stderr]    --> src/lib.rs:325:38
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn at_queue_param(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                      ^^^^^^^^ help: consider prefixing with an underscore: `_frame_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `at_cmd`
[INFO] [stderr]    --> src/lib.rs:325:52
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn at_queue_param(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                    ^^^^^^ help: consider prefixing with an underscore: `_at_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/lib.rs:325:69
[INFO] [stderr]     |
[INFO] [stderr] 325 |     pub fn at_queue_param(&mut self, frame_id: u8, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame_id`
[INFO] [stderr]    --> src/lib.rs:329:41
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                         ^^^^^^^^ help: consider prefixing with an underscore: `_frame_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/lib.rs:329:55
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                       ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `at_cmd`
[INFO] [stderr]    --> src/lib.rs:329:67
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_at_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/lib.rs:329:84
[INFO] [stderr]     |
[INFO] [stderr] 329 |     pub fn remote_at_command(&mut self, frame_id: u8, addr: Addr, at_cmd: [u8; 2], params: &[u8]) {
[INFO] [stderr]     |                                                                                    ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `escaped`
[INFO] [stderr]   --> src/api_frame.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     escaped: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `encrypted`
[INFO] [stderr]   --> src/api_frame.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     encrypted: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `frame_type`
[INFO] [stderr]    --> src/api_frame.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     fn frame_type(&self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "ec11b0a3267b6b0c963e6fd2b1e26c58b4367c2a2a680040c35b21252ad9a9f7"`
[INFO] running `"docker" "rm" "-f" "ec11b0a3267b6b0c963e6fd2b1e26c58b4367c2a2a680040c35b21252ad9a9f7"`
[INFO] [stdout] ec11b0a3267b6b0c963e6fd2b1e26c58b4367c2a2a680040c35b21252ad9a9f7