[INFO] cloning repository https://github.com/islamuddin/discovery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/islamuddin/discovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislamuddin%2Fdiscovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislamuddin%2Fdiscovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db4f2f08d0b3282b4cae8caa6e0ce1e92d9483c4
[INFO] testing islamuddin/discovery against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislamuddin%2Fdiscovery" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
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[INFO] started tweaking git repo https://github.com/islamuddin/discovery
[INFO] finished tweaking git repo https://github.com/islamuddin/discovery
[INFO] tweaked toml for git repo https://github.com/islamuddin/discovery written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/islamuddin/discovery on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/islamuddin/discovery 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded panic-itm v0.4.1
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.6.1
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded heapless v0.3.7
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.7
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded aligned v0.3.2
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded lsm303dlhc v0.2.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded l3gd20 v0.2.0
[INFO] [stderr]   Downloaded stm32f30x-hal v0.2.0
[INFO] [stderr]   Downloaded m v0.1.1
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded f3 v0.6.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.11
[INFO] [stderr]   Downloaded cortex-m v0.5.10
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded stm32f30x v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700
[INFO] running `Command { std: "docker" "start" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling stm32f30x v0.7.1
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling f3 v0.6.1
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling m v0.1.1
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling l3gd20 v0.2.0
[INFO] [stderr]    Compiling lsm303dlhc v0.2.0
[INFO] [stderr]    Compiling heapless v0.3.7
[INFO] [stderr]    Compiling as-slice v0.1.2
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling panic-itm v0.4.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling stm32f30x-hal v0.2.0
[INFO] [stderr]    Compiling aux5 v0.1.0 (/opt/rustwide/workdir/src/05-led-roulette/auxiliary)
[INFO] [stderr]    Compiling aux7 v0.1.0 (/opt/rustwide/workdir/src/07-registers/auxiliary)
[INFO] [stderr]    Compiling aux15 v0.1.0 (/opt/rustwide/workdir/src/15-led-compass/auxiliary)
[INFO] [stderr]    Compiling aux9 v0.1.0 (/opt/rustwide/workdir/src/09-clocks-and-timers/auxiliary)
[INFO] [stderr]    Compiling aux14 v0.1.0 (/opt/rustwide/workdir/src/14-i2c/auxiliary)
[INFO] [stderr]    Compiling aux6 v0.1.0 (/opt/rustwide/workdir/src/06-hello-world/auxiliary)
[INFO] [stderr]    Compiling aux16 v0.1.0 (/opt/rustwide/workdir/src/16-punch-o-meter/auxiliary)
[INFO] [stderr]    Compiling aux8 v0.1.0 (/opt/rustwide/workdir/src/08-leds-again/auxiliary)
[INFO] [stderr]    Compiling aux11 v0.1.0 (/opt/rustwide/workdir/src/11-usart/auxiliary)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/src/06-hello-world)
[INFO] [stderr]    Compiling registers v0.1.0 (/opt/rustwide/workdir/src/07-registers)
[INFO] [stderr]    Compiling usart v0.1.0 (/opt/rustwide/workdir/src/11-usart)
[INFO] [stderr]    Compiling i2c v0.1.0 (/opt/rustwide/workdir/src/14-i2c)
[INFO] [stderr]    Compiling led-compass v0.1.0 (/opt/rustwide/workdir/src/15-led-compass)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `registers` (bin "registers") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated method `f3::stm32f30x_hal::prelude::_embedded_hal_digital_OutputPin::set_high`: Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stdout]   --> src/16-punch-o-meter/auxiliary/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     nss.set_high();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i2c` (bin "i2c") due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: unused variable: `i2c1`
[INFO] [stdout]   --> src/14-i2c/src/main.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let (i2c1, _delay, mut itm) = aux14::init();
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_i2c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `led-compass` (bin "led-compass") due to 1 previous error
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello-world` (bin "hello-world") due to 1 previous error
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mono_timer`
[INFO] [stdout]   --> src/11-usart/src/main.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (usart1, mono_timer, itm) = aux11::init();
[INFO] [stdout]    |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mono_timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `itm`
[INFO] [stdout]   --> src/11-usart/src/main.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (usart1, mono_timer, itm) = aux11::init();
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_itm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `usart` (bin "usart") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700", kill_on_drop: false }`
[INFO] [stdout] b71d55e5425710e9eafd6ad7fc337e0e35d8da4104a5cc8d41f3b194dd13f700
