[INFO] cloning repository https://github.com/advil4rent/Stepper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/advil4rent/Stepper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadvil4rent%2FStepper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadvil4rent%2FStepper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9111d3b854c46909ac323bbcc3578c0242d2821
[INFO] checking advil4rent/Stepper against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadvil4rent%2FStepper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/advil4rent/Stepper on toolchain 8ea250bdb76176ecb0225baa34aa634b024ae0e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/advil4rent/Stepper
[INFO] finished tweaking git repo https://github.com/advil4rent/Stepper
[INFO] tweaked toml for git repo https://github.com/advil4rent/Stepper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/advil4rent/Stepper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 353d4f05228d999a0810f806dda91f84e1f31332ed16447aa4c5ed92f1dba249
[INFO] running `Command { std: "docker" "start" "-a" "353d4f05228d999a0810f806dda91f84e1f31332ed16447aa4c5ed92f1dba249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "353d4f05228d999a0810f806dda91f84e1f31332ed16447aa4c5ed92f1dba249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353d4f05228d999a0810f806dda91f84e1f31332ed16447aa4c5ed92f1dba249", kill_on_drop: false }`
[INFO] [stdout] 353d4f05228d999a0810f806dda91f84e1f31332ed16447aa4c5ed92f1dba249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 626fc22bea2bacd4a4dd085fc26af7d595ee4f98e4757857a654f06968c0dbc4
[INFO] running `Command { std: "docker" "start" "-a" "626fc22bea2bacd4a4dd085fc26af7d595ee4f98e4757857a654f06968c0dbc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking gpio-cdev v0.5.0
[INFO] [stderr]     Checking stepper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Stream`, `pin_mut`
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use futures::{pin_mut, Stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`
[INFO] [stdout]   --> src/lib.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use log::{info, trace, warn};
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream`, `pin_mut`
[INFO] [stdout]   --> src/lib.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | use futures::{pin_mut, Stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`
[INFO] [stdout]   --> src/lib.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use log::{info, trace, warn};
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when type-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl`
[INFO] [stdout]    --> src/lib.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib.rs:170:33: 187:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl`
[INFO] [stdout]    --> src/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub async fn switch_ctrl(mut self) -> Result<(), Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stepper` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0391]: cycle detected when type-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl`
[INFO] [stdout]    --> src/lib.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib.rs:170:33: 187:10]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires elaborating drops for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires borrow-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires processing MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires unsafety-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires building MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout] note: ...which requires type-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |           tokio::spawn(async move {
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 171 | |             loop {
[INFO] [stdout] 172 | |                 tokio::select! {
[INFO] [stdout] 173 | |                     event = &mut self.switch.switch_line_14.next() => {
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |             }
[INFO] [stdout] 187 | |         });
[INFO] [stdout]     | |_________^
[INFO] [stdout]     = note: ...which again requires type-checking `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `<impl at src/lib.rs:151:1: 151:27>::switch_ctrl`
[INFO] [stdout]    --> src/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub async fn switch_ctrl(mut self) -> Result<(), Error> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stepper` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "626fc22bea2bacd4a4dd085fc26af7d595ee4f98e4757857a654f06968c0dbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626fc22bea2bacd4a4dd085fc26af7d595ee4f98e4757857a654f06968c0dbc4", kill_on_drop: false }`
[INFO] [stdout] 626fc22bea2bacd4a4dd085fc26af7d595ee4f98e4757857a654f06968c0dbc4