[INFO] cloning repository https://github.com/luojia65/tm1637-display-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luojia65/tm1637-display-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Ftm1637-display-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Ftm1637-display-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23cff9d2a885830c25b81d089677e0115f737bb0
[INFO] checking luojia65/tm1637-display-demo against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Ftm1637-display-demo" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luojia65/tm1637-display-demo on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking git repo https://github.com/luojia65/tm1637-display-demo
[INFO] finished tweaking git repo https://github.com/luojia65/tm1637-display-demo
[INFO] tweaked toml for git repo https://github.com/luojia65/tm1637-display-demo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/luojia65/tm1637-display-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7512cd3e569aef7be09d02f4911266e1049fd78d264bd36bc85951bf2906a960
[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" "7512cd3e569aef7be09d02f4911266e1049fd78d264bd36bc85951bf2906a960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7512cd3e569aef7be09d02f4911266e1049fd78d264bd36bc85951bf2906a960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7512cd3e569aef7be09d02f4911266e1049fd78d264bd36bc85951bf2906a960", kill_on_drop: false }`
[INFO] [stdout] 7512cd3e569aef7be09d02f4911266e1049fd78d264bd36bc85951bf2906a960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c7a4b518b6554f489774ace708ebbc2c9728beef2b0c495cbbdf28e4819cb3
[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" "a5c7a4b518b6554f489774ace708ebbc2c9728beef2b0c495cbbdf28e4819cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling tm1637-display-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling stm32f1 v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking panic-semihosting v0.5.1
[INFO] [stderr]     Checking cortex-m v0.6.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking cortex-m-rt v0.6.12
[INFO] [stderr]     Checking stm32f1xx-hal v0.5.3
[INFO] [stdout] error[E0583]: file not found for module `tm1637`
[INFO] [stdout]  --> examples/three_screens.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod tm1637;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `tm1637`, create file "examples/tm1637.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tm1637::TM1637`
[INFO] [stdout]   --> examples/three_screens.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tm1637::TM1637;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `TM1637` in `tm1637`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]   --> examples/three_screens.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut tim1 = Timer::tim1(dp.TIM1, 1.mhz(), clocks, &mut rcc.apb2);
[INFO] [stdout]    |                    ^^^^^^^^^^^ -------  -------  ------  ------------- supplied 4 arguments
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]   --> examples/three_screens.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut tim2 = Timer::tim2(dp.TIM2, 1.mhz(), clocks, &mut rcc.apb1);
[INFO] [stdout]    |                    ^^^^^^^^^^^ -------  -------  ------  ------------- supplied 4 arguments
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]   --> examples/three_screens.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut tim3 = Timer::tim3(dp.TIM3, 1.mhz(), clocks, &mut rcc.apb1);
[INFO] [stdout]    |                    ^^^^^^^^^^^ -------  -------  ------  ------------- supplied 4 arguments
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]   --> examples/three_screens.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut syst = Timer::syst(cp.SYST, 2.hz(), clocks);
[INFO] [stdout]    |                    ^^^^^^^^^^^ -------  ------  ------ supplied 3 arguments
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]   --> src/main.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut tim = Timer::tim1(dp.TIM1, 1.mhz(), clocks, &mut rcc.apb2);
[INFO] [stdout]    |                   ^^^^^^^^^^^ -------  -------  ------  ------------- supplied 4 arguments
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected 3 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Timer<TIM1>: CountDown` is not satisfied
[INFO] [stdout]   --> src/main.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut tm1637 = TM1637::new(dio, clk, &mut tim);
[INFO] [stdout]    |                                            ^^^^^^^^ the trait `CountDown` is not implemented for `Timer<TIM1>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/tm1637.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(dio: DIO, clk: CLK, timer: &'chip mut TIMER) -> Self {
[INFO] [stdout]    |     --------------------------------------------------------------- required by `TM1637::<'chip, DIO, CLK, TIMER>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]   --> src/main.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut syst = Timer::syst(cp.SYST, 20.hz(), clocks);
[INFO] [stdout]    |                    ^^^^^^^^^^^ -------  -------  ------ supplied 3 arguments
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_cmd` found for struct `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>` in the current scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tm1637.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub struct TM1637<'chip, DIO, CLK, TIMER> {
[INFO] [stdout]     | ----------------------------------------- method `write_cmd` not found for this
[INFO] [stdout]    --> src/main.rs:36:16
[INFO] [stdout]     |
[INFO] [stdout] 36  |         tm1637.write_cmd(0x44);
[INFO] [stdout]     |                ^^^^^^^^^ method not found in `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f1xx-hal-0.5.3/src/timer.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Timer<TIM> {
[INFO] [stdout]     | --------------------- doesn't satisfy `Timer<TIM1>: CountDown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `write_cmd` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `Timer<TIM1>: CountDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_data` found for struct `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>` in the current scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tm1637.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub struct TM1637<'chip, DIO, CLK, TIMER> {
[INFO] [stdout]     | ----------------------------------------- method `write_data` not found for this
[INFO] [stdout]    --> src/main.rs:37:16
[INFO] [stdout]     |
[INFO] [stdout] 37  |         tm1637.write_data(0xc0, DIGIT[a[0]]);
[INFO] [stdout]     |                ^^^^^^^^^^ method not found in `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f1xx-hal-0.5.3/src/timer.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Timer<TIM> {
[INFO] [stdout]     | --------------------- doesn't satisfy `Timer<TIM1>: CountDown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `write_data` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `Timer<TIM1>: CountDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_data` found for struct `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>` in the current scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tm1637.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub struct TM1637<'chip, DIO, CLK, TIMER> {
[INFO] [stdout]     | ----------------------------------------- method `write_data` not found for this
[INFO] [stdout]    --> src/main.rs:38:16
[INFO] [stdout]     |
[INFO] [stdout] 38  |         tm1637.write_data(0xc1, DIGIT[a[1]]);
[INFO] [stdout]     |                ^^^^^^^^^^ method not found in `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f1xx-hal-0.5.3/src/timer.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Timer<TIM> {
[INFO] [stdout]     | --------------------- doesn't satisfy `Timer<TIM1>: CountDown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `write_data` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `Timer<TIM1>: CountDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_data` found for struct `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>` in the current scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tm1637.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub struct TM1637<'chip, DIO, CLK, TIMER> {
[INFO] [stdout]     | ----------------------------------------- method `write_data` not found for this
[INFO] [stdout]    --> src/main.rs:39:16
[INFO] [stdout]     |
[INFO] [stdout] 39  |         tm1637.write_data(0xc2, DIGIT[a[2]]);
[INFO] [stdout]     |                ^^^^^^^^^^ method not found in `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f1xx-hal-0.5.3/src/timer.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Timer<TIM> {
[INFO] [stdout]     | --------------------- doesn't satisfy `Timer<TIM1>: CountDown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `write_data` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `Timer<TIM1>: CountDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_data` found for struct `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>` in the current scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tm1637.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub struct TM1637<'chip, DIO, CLK, TIMER> {
[INFO] [stdout]     | ----------------------------------------- method `write_data` not found for this
[INFO] [stdout]    --> src/main.rs:40:16
[INFO] [stdout]     |
[INFO] [stdout] 40  |         tm1637.write_data(0xc3, DIGIT[a[3]]);
[INFO] [stdout]     |                ^^^^^^^^^^ method not found in `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f1xx-hal-0.5.3/src/timer.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Timer<TIM> {
[INFO] [stdout]     | --------------------- doesn't satisfy `Timer<TIM1>: CountDown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `write_data` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `Timer<TIM1>: CountDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_cmd` found for struct `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>` in the current scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/tm1637.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub struct TM1637<'chip, DIO, CLK, TIMER> {
[INFO] [stdout]     | ----------------------------------------- method `write_cmd` not found for this
[INFO] [stdout]    --> src/main.rs:41:16
[INFO] [stdout]     |
[INFO] [stdout] 41  |         tm1637.write_cmd(0x8a);
[INFO] [stdout]     |                ^^^^^^^^^ method not found in `TM1637<'_, PB9<Output<OpenDrain>>, PB8<Output<OpenDrain>>, Timer<TIM1>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f1xx-hal-0.5.3/src/timer.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct Timer<TIM> {
[INFO] [stdout]     | --------------------- doesn't satisfy `Timer<TIM1>: CountDown`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `write_cmd` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `Timer<TIM1>: CountDown`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait` found for struct `Timer<cortex_m::peripheral::SYST>` in the current scope
[INFO] [stdout]   --> src/main.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |         nb::block!(syst.wait()).unwrap();
[INFO] [stdout]    |                         ^^^^ method not found in `Timer<cortex_m::peripheral::SYST>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait` found for struct `Timer<cortex_m::peripheral::SYST>` in the current scope
[INFO] [stdout]   --> examples/three_screens.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |         block!(syst.wait()).unwrap();
[INFO] [stdout]    |                     ^^^^ method not found in `Timer<cortex_m::peripheral::SYST>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0432, E0583, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tm1637-display-demo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a5c7a4b518b6554f489774ace708ebbc2c9728beef2b0c495cbbdf28e4819cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c7a4b518b6554f489774ace708ebbc2c9728beef2b0c495cbbdf28e4819cb3", kill_on_drop: false }`
[INFO] [stdout] a5c7a4b518b6554f489774ace708ebbc2c9728beef2b0c495cbbdf28e4819cb3
