[INFO] cloning repository https://github.com/AlbinMartinsson/D7020E
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlbinMartinsson/D7020E" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbinMartinsson%2FD7020E", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbinMartinsson%2FD7020E'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eb47089818c821adff3c7fcd473606378f8638c
[INFO] testing AlbinMartinsson/D7020E against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbinMartinsson%2FD7020E" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/AlbinMartinsson/D7020E
[INFO] finished tweaking git repo https://github.com/AlbinMartinsson/D7020E
[INFO] tweaked toml for git repo https://github.com/AlbinMartinsson/D7020E written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlbinMartinsson/D7020E on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlbinMartinsson/D7020E 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcc3333790ec08aa4ddbe33382324ef8c927dd34bbdf9a92262e3ae1396bd83a
[INFO] running `Command { std: "docker" "start" "-a" "dcc3333790ec08aa4ddbe33382324ef8c927dd34bbdf9a92262e3ae1396bd83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc3333790ec08aa4ddbe33382324ef8c927dd34bbdf9a92262e3ae1396bd83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc3333790ec08aa4ddbe33382324ef8c927dd34bbdf9a92262e3ae1396bd83a", kill_on_drop: false }`
[INFO] [stdout] dcc3333790ec08aa4ddbe33382324ef8c927dd34bbdf9a92262e3ae1396bd83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9550bae4339cdcbdd9a5ebec50224d6a7205e468abb78d7e9dcdae90c64a0570
[INFO] running `Command { std: "docker" "start" "-a" "9550bae4339cdcbdd9a5ebec50224d6a7205e468abb78d7e9dcdae90c64a0570", kill_on_drop: false }`
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "9550bae4339cdcbdd9a5ebec50224d6a7205e468abb78d7e9dcdae90c64a0570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9550bae4339cdcbdd9a5ebec50224d6a7205e468abb78d7e9dcdae90c64a0570", kill_on_drop: false }`
[INFO] [stdout] 9550bae4339cdcbdd9a5ebec50224d6a7205e468abb78d7e9dcdae90c64a0570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfc9911ecd008653c3906fa5737d2eff86fa072d0cc4f985a74e5dc61b36a90d
[INFO] running `Command { std: "docker" "start" "-a" "dfc9911ecd008653c3906fa5737d2eff86fa072d0cc4f985a74e5dc61b36a90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]    Compiling klee-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling vcell v0.1.2 (https://github.com/perlindgren/vcell.git?branch=trustit#4eb44a01)
[INFO] [stderr]    Compiling panic-klee v0.1.0 (https://gitlab.henriktjader.com/pln/panic-klee.git#3b0c897f)
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling cstr_core v0.1.2
[INFO] [stderr]    Compiling klee-sys v0.1.0 (https://gitlab.henriktjader.com/pln/klee-sys.git#3e49ed21)
[INFO] [stdout] error[E0432]: unresolved import `stm32f4`
[INFO] [stdout]  --> examples/f401_ktest.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use stm32f4::stm32f401 as stm32;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `stm32f4`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `stm32f4`, use `cargo add stm32f4` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `stm32f4`
[INFO] [stdout]  --> examples/f401_probe.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use stm32f4::stm32f401 as stm32;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `stm32f4`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `stm32f4`, use `cargo add stm32f4` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m`
[INFO] [stdout]   --> examples/f401_probe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cortex_m::asm;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cortex_m`, use `cargo add cortex_m` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m`
[INFO] [stdout]   --> examples/f401_ktest.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cortex_m::{asm, bkpt};
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cortex_m`, use `cargo add cortex_m` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_rt`
[INFO] [stdout]   --> examples/f401_ktest.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cortex_m_rt::entry;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `cortex_m_rt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cortex_m_rt`, use `cargo add cortex_m_rt` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_rt`
[INFO] [stdout]   --> examples/f401_probe.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cortex_m_rt::entry;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `cortex_m_rt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cortex_m_rt`, use `cargo add cortex_m_rt` to add it to your `Cargo.toml`
[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] For more information about this error, try `rustc --explain E0432`.
[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] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/f401_ktest.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klee-examples` (example "f401_ktest") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `cortex_m`
[INFO] [stdout]  --> examples/cortex_m_test1.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `klee_sys::klee_abort`, `klee_sys::klee_make_symbolic`
[INFO] [stdout]  --> examples/cortex_m_rt_test3.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use klee_sys::{klee_abort, klee_make_symbolic};
[INFO] [stdout]   |                ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `klee_make_symbolic` in the root
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `klee_abort` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klee-examples` (example "f401_probe") due to 4 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]  --> examples/cortex_m_rt_test3.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cortex_m::peripheral::Peripherals;
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `cortex_m`, use `cargo add cortex_m` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_rt`
[INFO] [stdout]  --> examples/cortex_m_rt_test3.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cortex_m_rt::{entry, exception, pre_init, ExceptionFrame};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `cortex_m_rt`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `cortex_m_rt`, use `cargo add cortex_m_rt` to add it to your `Cargo.toml`
[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[E0432]: unresolved import `klee_sys::klee_abort`
[INFO] [stdout]  --> examples/cortex_m_test1.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use klee_sys::klee_abort;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `klee_abort` in the root
[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[E0308]: mismatched types
[INFO] [stdout]   --> examples/cortex_m_rt_test3.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | unsafe fn main() -> ! {
[INFO] [stdout]    |           ----      ^ expected `!`, found `()`
[INFO] [stdout]    |           |
[INFO] [stdout]    |           implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/cortex_m_rt_test3.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn DefaultHandler(irqn: i16) -> ! {
[INFO] [stdout]    |    --------------               ^ expected `!`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/cortex_m_rt_test3.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn NonMaskableInt() -> ! {
[INFO] [stdout]    |    --------------      ^ expected `!`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/cortex_m_rt_test3.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn HardFault(eh: &ExceptionFrame) -> ! {
[INFO] [stdout]    |    ---------                         ^ expected `!`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klee-examples` (example "cortex_m_rt_test3") due to 8 previous errors
[INFO] [stderr] error: could not compile `klee-examples` (example "cortex_m_test1") due to 3 previous errors
[INFO] [stdout] error[E0463]: can't find crate for `cortex_m`
[INFO] [stdout]  --> examples/cortex_m_rt_test.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `cortex_m_rt`
[INFO] [stdout]  --> examples/cortex_m_rt_test.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate cortex_m_rt;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `klee_sys::klee_abort`, `klee_sys::klee_make_symbolic`
[INFO] [stdout]   --> examples/cortex_m_rt_test.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use klee_sys::{klee_abort, klee_make_symbolic};
[INFO] [stdout]    |                ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `klee_make_symbolic` in the root
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `klee_abort` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `stm32f4`
[INFO] [stdout]  --> examples/f401_minimal2.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use stm32f4::stm32f401 as stm32;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `stm32f4`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `stm32f4`, use `cargo add stm32f4` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m`
[INFO] [stdout]   --> examples/f401_minimal2.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cortex_m::asm;
[INFO] [stdout]    |     ^^^^^^^^ use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cortex_m`, use `cargo add cortex_m` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_rt`
[INFO] [stdout]   --> examples/f401_minimal2.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cortex_m_rt::entry;
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `cortex_m_rt`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cortex_m_rt`, use `cargo add cortex_m_rt` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `volatile_register::RW`
[INFO] [stdout]   --> examples/cortex_m_rt_test.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use volatile_register::RW;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/cortex_m_rt_test.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 | unsafe fn main() -> ! {
[INFO] [stdout]    |           ----      ^ expected `!`, found `()`
[INFO] [stdout]    |           |
[INFO] [stdout]    |           implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klee-examples` (example "f401_minimal2") due to 4 previous errors
[INFO] [stderr] error: could not compile `klee-examples` (example "cortex_m_rt_test") due to 5 previous errors; 1 warning emitted
[INFO] [stdout] error[E0463]: can't find crate for `cortex_m`
[INFO] [stdout]  --> examples/cortex_m_test_nightly.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate cortex_m;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> examples/cortex_m_test_nightly.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_intrinsics)] // intrinsic division requires nightly
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `klee_sys::*`
[INFO] [stdout]  --> examples/cortex_m_test_nightly.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use klee_sys::*;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klee-examples` (example "cortex_m_test_nightly") due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0432]: unresolved import `klee_sys::klee_abort`
[INFO] [stdout]  --> examples/cortex_m_rt_test2.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use klee_sys::klee_abort;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `klee_abort` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]  --> examples/cortex_m_rt_test2.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use cortex_m::peripheral::Peripherals;
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `cortex_m`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `cortex_m`, use `cargo add cortex_m` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_rt`
[INFO] [stdout]  --> examples/cortex_m_rt_test2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cortex_m_rt::{entry, pre_init};
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `cortex_m_rt`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `cortex_m_rt`, use `cargo add cortex_m_rt` to add it to your `Cargo.toml`
[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[E0308]: mismatched types
[INFO] [stdout]   --> examples/cortex_m_rt_test2.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | unsafe fn main() -> ! {
[INFO] [stdout]    |           ----      ^ expected `!`, found `()`
[INFO] [stdout]    |           |
[INFO] [stdout]    |           implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `!`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klee-examples` (example "cortex_m_rt_test2") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "dfc9911ecd008653c3906fa5737d2eff86fa072d0cc4f985a74e5dc61b36a90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc9911ecd008653c3906fa5737d2eff86fa072d0cc4f985a74e5dc61b36a90d", kill_on_drop: false }`
[INFO] [stdout] dfc9911ecd008653c3906fa5737d2eff86fa072d0cc4f985a74e5dc61b36a90d
