[INFO] fetching crate neotron-os 0.1.0... [INFO] testing neotron-os-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate neotron-os 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] started tweaking crates.io crate neotron-os 0.1.0 [INFO] finished tweaking crates.io crate neotron-os 0.1.0 [INFO] tweaked toml for crates.io crate neotron-os 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate neotron-os 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate neotron-os 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded neotron-common-bios v0.1.0 [INFO] [stderr] Downloaded r0 v1.0.0 [INFO] [stderr] Downloaded postcard-cobs v0.1.5-pre [INFO] [stderr] Downloaded postcard v0.5.2 [INFO] [stderr] Downloaded quote v1.0.16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92baeb31b937cd9f25b2a68c1db50f3330235f554ba5334aed79a98c1c116749 [INFO] running `Command { std: "docker" "start" "-a" "92baeb31b937cd9f25b2a68c1db50f3330235f554ba5334aed79a98c1c116749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92baeb31b937cd9f25b2a68c1db50f3330235f554ba5334aed79a98c1c116749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92baeb31b937cd9f25b2a68c1db50f3330235f554ba5334aed79a98c1c116749", kill_on_drop: false }` [INFO] [stdout] 92baeb31b937cd9f25b2a68c1db50f3330235f554ba5334aed79a98c1c116749 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 71ed45efe6698a980496759edba4cc17a46e1118670c8c283f639407e07673b7 [INFO] running `Command { std: "docker" "start" "-a" "71ed45efe6698a980496759edba4cc17a46e1118670c8c283f639407e07673b7", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling neotron-os v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling postcard-cobs v0.1.5-pre [INFO] [stderr] Compiling r0 v1.0.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling quote v1.0.16 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling neotron-common-bios v0.1.0 [INFO] [stderr] Compiling postcard v0.5.2 [INFO] [stdout] warning: method `save` is never used [INFO] [stdout] --> src/lib.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 189 | impl Config { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 204 | fn save(&self) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:268:18 [INFO] [stdout] | [INFO] [stdout] 268 | r0::zero_bss(&mut __sbss, &mut __ebss); [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 268 | r0::zero_bss(&raw mut __sbss, &mut __ebss); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:268:31 [INFO] [stdout] | [INFO] [stdout] 268 | r0::zero_bss(&mut __sbss, &mut __ebss); [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 268 | r0::zero_bss(&mut __sbss, &raw mut __ebss); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:269:19 [INFO] [stdout] | [INFO] [stdout] 269 | r0::init_data(&mut __sdata, &mut __edata, &__sidata); [INFO] [stdout] | ^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 269 | r0::init_data(&raw mut __sdata, &mut __edata, &__sidata); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:269:33 [INFO] [stdout] | [INFO] [stdout] 269 | r0::init_data(&mut __sdata, &mut __edata, &__sidata); [INFO] [stdout] | ^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 269 | r0::init_data(&mut __sdata, &raw mut __edata, &__sidata); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 303 | println!("Configured VGA console"); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 303 | println!("Configured VGA console"); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 303 | println!("Configured VGA console"); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 303 | println!("Configured VGA console"); [INFO] [stdout] | ---------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 310 | println!("Configured Serial console on Serial {}", idx); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 310 | println!("Configured Serial console on Serial {}", idx); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 310 | println!("Configured Serial console on Serial {}", idx); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 310 | println!("Configured Serial console on Serial {}", idx); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 314 | println!("Welcome to {}!", OS_VERSION); [INFO] [stdout] | -------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 314 | println!("Welcome to {}!", OS_VERSION); [INFO] [stdout] | -------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 314 | println!("Welcome to {}!", OS_VERSION); [INFO] [stdout] | -------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 314 | println!("Welcome to {}!", OS_VERSION); [INFO] [stdout] | -------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 322 | println!("PANIC!\n{:#?}", info); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 322 | println!("PANIC!\n{:#?}", info); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:40:54 [INFO] [stdout] | [INFO] [stdout] 40 | if let Some(ref mut console) = unsafe { &mut VGA_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 322 | println!("PANIC!\n{:#?}", info); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:43:54 [INFO] [stdout] | [INFO] [stdout] 43 | if let Some(ref mut console) = unsafe { &mut SERIAL_CONSOLE } { [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] ... [INFO] [stdout] 322 | println!("PANIC!\n{:#?}", info); [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: this warning originates in the macro `print` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [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] 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 `neotron-os` (bin "flash1002") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `neotron-os` (bin "flash0802") due to 1 previous error [INFO] [stderr] error: could not compile `neotron-os` (bin "flash0002") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "71ed45efe6698a980496759edba4cc17a46e1118670c8c283f639407e07673b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71ed45efe6698a980496759edba4cc17a46e1118670c8c283f639407e07673b7", kill_on_drop: false }` [INFO] [stdout] 71ed45efe6698a980496759edba4cc17a46e1118670c8c283f639407e07673b7