[INFO] fetching crate cortex-m-rt 0.7.2... [INFO] testing cortex-m-rt-0.7.2 against try#8dae881ac166f8debe04e17604ebbe2ab47083fd+target=i686-unknown-linux-musl for musl_upgrade_test [INFO] extracting crate cortex-m-rt 0.7.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate cortex-m-rt 0.7.2 on toolchain 8dae881ac166f8debe04e17604ebbe2ab47083fd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-3/source/.cargo/config [INFO] started tweaking crates.io crate cortex-m-rt 0.7.2 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate cortex-m-rt 0.7.2 [INFO] tweaked toml for crates.io crate cortex-m-rt 0.7.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate cortex-m-rt 0.7.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded tester v0.9.0 [INFO] [stderr] Downloaded cortex-m v0.7.6 [INFO] [stderr] Downloaded bare-metal v0.2.5 [INFO] [stderr] Downloaded volatile-register v0.2.1 [INFO] [stderr] Downloaded compiletest_rs v0.7.1 [INFO] [stderr] Downloaded rustfix v0.5.1 [INFO] [stderr] Downloaded diff v0.1.13 [INFO] [stderr] Downloaded term v0.7.0 [INFO] [stderr] Downloaded nb v0.1.3 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.7.0 [INFO] [stderr] Downloaded panic-halt v0.2.0 [INFO] [stderr] Downloaded embedded-hal v0.2.7 [INFO] [stderr] Downloaded vcell v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bd100738c7513f4b57caf325a7eacf46b35f171cfbca4fecb7b8e2019639294 [INFO] running `Command { std: "docker" "start" "-a" "4bd100738c7513f4b57caf325a7eacf46b35f171cfbca4fecb7b8e2019639294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bd100738c7513f4b57caf325a7eacf46b35f171cfbca4fecb7b8e2019639294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bd100738c7513f4b57caf325a7eacf46b35f171cfbca4fecb7b8e2019639294", kill_on_drop: false }` [INFO] [stdout] 4bd100738c7513f4b57caf325a7eacf46b35f171cfbca4fecb7b8e2019639294 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 0e5067fe0f0652b6cd51f49bf911000de2b946fe573eb9074f27bd76a71574cb [INFO] running `Command { std: "docker" "start" "-a" "0e5067fe0f0652b6cd51f49bf911000de2b946fe573eb9074f27bd76a71574cb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling cortex-m-rt v0.7.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.0 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.98s [INFO] running `Command { std: "docker" "inspect" "0e5067fe0f0652b6cd51f49bf911000de2b946fe573eb9074f27bd76a71574cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e5067fe0f0652b6cd51f49bf911000de2b946fe573eb9074f27bd76a71574cb", kill_on_drop: false }` [INFO] [stdout] 0e5067fe0f0652b6cd51f49bf911000de2b946fe573eb9074f27bd76a71574cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9e9a33e42111cfb5ac4c7eddc6c39cdeea85658fac9289402f98671fa1a02b4e [INFO] running `Command { std: "docker" "start" "-a" "9e9a33e42111cfb5ac4c7eddc6c39cdeea85658fac9289402f98671fa1a02b4e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling anyhow v1.0.66 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling serde_json v1.0.87 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling itoa v1.0.4 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling compiletest_rs v0.7.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cortex-m v0.7.6 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling panic-halt v0.2.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling num_cpus v1.14.0 [INFO] [stderr] Compiling filetime v0.2.18 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling tester v0.9.0 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling rustfix v0.5.1 [INFO] [stderr] Compiling cortex-m-rt v0.7.2 (/opt/rustwide/workdir) [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] --> examples/qemu.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | let mut hstdout = cortex_m_semihosting::hio::hstdout().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] --> examples/qemu.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | cortex_m_semihosting::debug::exit(cortex_m_semihosting::debug::EXIT_SUCCESS); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] --> examples/qemu.rs:13:43 [INFO] [stdout] | [INFO] [stdout] 13 | cortex_m_semihosting::debug::exit(cortex_m_semihosting::debug::EXIT_SUCCESS); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] --> examples/qemu.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | cortex_m_semihosting::debug::exit(cortex_m_semihosting::debug::EXIT_FAILURE); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] --> examples/qemu.rs:22:43 [INFO] [stdout] | [INFO] [stdout] 22 | cortex_m_semihosting::debug::exit(cortex_m_semihosting::debug::EXIT_FAILURE); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `cortex_m_semihosting` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: duplicate lang item in crate `panic_halt`: `panic_impl`. [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std`. [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/8dae881ac166f8debe04e17604ebbe2ab47083fd/lib/rustlib/i686-unknown-linux-musl/lib/libstd-c1ba13e7481c90c6.rlib [INFO] [stdout] = note: second definition in `panic_halt` loaded from /opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libpanic_halt-689ad0928de7d465.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> examples/qemu.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | fn panic(_: &core::panic::PanicInfo) -> ! { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `panic_halt`. [INFO] [stdout] = note: first definition in `panic_halt` loaded from /opt/rustwide/target/i686-unknown-linux-musl/debug/deps/libpanic_halt-689ad0928de7d465.rlib [INFO] [stdout] = note: second definition in the local crate (`qemu`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] | [INFO] [stdout] = note: this can occur when a binary crate with `#![no_std]` is compiled for a target where `eh_personality` is defined in the standard library [INFO] [stdout] = help: you may be able to compile for a target that doesn't need `eh_personality`, specify a target with `--target` or in `.cargo/config` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 2 previous errors [INFO] [stdout] warning: unused import: `core::fmt::Write` [INFO] [stdout] --> examples/qemu.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use core::fmt::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m-rt` due to 8 previous errors; 1 warning emitted [INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0152, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9e9a33e42111cfb5ac4c7eddc6c39cdeea85658fac9289402f98671fa1a02b4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e9a33e42111cfb5ac4c7eddc6c39cdeea85658fac9289402f98671fa1a02b4e", kill_on_drop: false }` [INFO] [stdout] 9e9a33e42111cfb5ac4c7eddc6c39cdeea85658fac9289402f98671fa1a02b4e