[INFO] cloning repository https://github.com/EthanJamesLew/pwm-ctrl-stm32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EthanJamesLew/pwm-ctrl-stm32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dad95d087c7f52d5a5031bb6f67323bc50ee88bd
[INFO] checking EthanJamesLew/pwm-ctrl-stm32 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanJamesLew%2Fpwm-ctrl-stm32" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32
[INFO] finished tweaking git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32
[INFO] tweaked toml for git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EthanJamesLew/pwm-ctrl-stm32 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded systick-monotonic v1.0.0
[INFO] [stderr]   Downloaded cortex-m v0.7.5
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded rtic-core v1.0.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.5.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.6
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.8
[INFO] [stderr]   Downloaded semver v1.0.10
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.7
[INFO] [stderr]   Downloaded rtic-syntax v1.0.2
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.1.4
[INFO] [stderr]   Downloaded cortex-m-rtic v1.1.2
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded critical-section v0.2.7
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.1
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.13.2
[INFO] [stderr]   Downloaded heapless v0.7.14
[INFO] [stderr]   Downloaded time v0.3.10
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded fugit v0.3.5
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[INFO] [stderr]   Downloaded stm32f4 v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bd494f276425eb4a8f00785b05fd53d61d814272d93056bdcc3bc61eb178aa5
[INFO] running `Command { std: "docker" "start" "-a" "2bd494f276425eb4a8f00785b05fd53d61d814272d93056bdcc3bc61eb178aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bd494f276425eb4a8f00785b05fd53d61d814272d93056bdcc3bc61eb178aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd494f276425eb4a8f00785b05fd53d61d814272d93056bdcc3bc61eb178aa5", kill_on_drop: false }`
[INFO] [stdout] 2bd494f276425eb4a8f00785b05fd53d61d814272d93056bdcc3bc61eb178aa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10aa77d7d4abf90b7cdf547c93e59a71108b314af499db8a9a78b389e2fa22c5
[INFO] running `Command { std: "docker" "start" "-a" "10aa77d7d4abf90b7cdf547c93e59a71108b314af499db8a9a78b389e2fa22c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling heapless v0.7.14
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]    Compiling stm32f4 v0.14.0
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]     Checking fugit v0.3.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling cortex-m-rtic v1.1.2
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking rtt-target v0.3.1
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.7
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking pwm_protocol v0.1.0 (/opt/rustwide/workdir/pwm-protocol)
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     _ => {
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         for i in 0..self.table_size {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> pwm-protocol/src/lib.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     impl SignalType {
[INFO] [stdout]    |     --------------- associated function in this implementation
[INFO] [stdout] 37 |         fn from_str(orig: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking panic-rtt-target v0.1.2
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking systick-monotonic v1.0.0
[INFO] [stdout] warning: unused import: `micromath::F32Ext`
[INFO] [stdout]   --> pwm-protocol/src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use micromath::F32Ext;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     _ => {
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> pwm-protocol/src/lib.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         for i in 0..self.table_size {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> pwm-protocol/src/lib.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     impl SignalType {
[INFO] [stdout]    |     --------------- associated function in this implementation
[INFO] [stdout] 37 |         fn from_str(orig: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.3.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rtic-syntax v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.1.4
[INFO] [stderr]     Checking stm32f4xx-hal v0.13.2
[INFO] [stderr]     Checking stm32f4-hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:437:25
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         _ => (), 
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:437:25
[INFO] [stdout]     |
[INFO] [stdout] 437 |                         _ => (), 
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.95s
[INFO] running `Command { std: "docker" "inspect" "10aa77d7d4abf90b7cdf547c93e59a71108b314af499db8a9a78b389e2fa22c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10aa77d7d4abf90b7cdf547c93e59a71108b314af499db8a9a78b389e2fa22c5", kill_on_drop: false }`
[INFO] [stdout] 10aa77d7d4abf90b7cdf547c93e59a71108b314af499db8a9a78b389e2fa22c5