[INFO] cloning repository https://github.com/BRA1L0R/rust-rtos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BRA1L0R/rust-rtos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBRA1L0R%2Frust-rtos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBRA1L0R%2Frust-rtos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6678d8d5863c21f4fe755c52df5eed7adb9a972
[INFO] testing BRA1L0R/rust-rtos against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBRA1L0R%2Frust-rtos" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BRA1L0R/rust-rtos on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/BRA1L0R/rust-rtos
[INFO] finished tweaking git repo https://github.com/BRA1L0R/rust-rtos
[INFO] tweaked toml for git repo https://github.com/BRA1L0R/rust-rtos written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BRA1L0R/rust-rtos 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.target
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded panic-semihosting v0.6.0
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded alloc-cortex-m v0.4.4
[INFO] [stderr]   Downloaded gcd v2.3.0
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.10
[INFO] [stderr]   Downloaded fugit v0.3.6
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded stm32l0xx-hal v0.10.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.15.0
[INFO] [stderr]   Downloaded stm32l0 v0.15.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.8
[INFO] [stderr]   Downloaded stm32f4 v0.15.1
[INFO] [stderr]   Downloaded cortex-m v0.7.6
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac5d0c39863c82dc587fb33f1544bdbf074e2bd887fbab54f6ad5c2a9b8f7a44
[INFO] running `Command { std: "docker" "start" "-a" "ac5d0c39863c82dc587fb33f1544bdbf074e2bd887fbab54f6ad5c2a9b8f7a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac5d0c39863c82dc587fb33f1544bdbf074e2bd887fbab54f6ad5c2a9b8f7a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5d0c39863c82dc587fb33f1544bdbf074e2bd887fbab54f6ad5c2a9b8f7a44", kill_on_drop: false }`
[INFO] [stdout] ac5d0c39863c82dc587fb33f1544bdbf074e2bd887fbab54f6ad5c2a9b8f7a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d249496bf637ec8532109a87004ea3fc5d5dd52f1dd639913f2ad6dd46f913
[INFO] running `Command { std: "docker" "start" "-a" "63d249496bf637ec8532109a87004ea3fc5d5dd52f1dd639913f2ad6dd46f913", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: lib.target
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cortex-m v0.7.6
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling spin v0.9.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling alloc-cortex-m v0.4.4
[INFO] [stderr]    Compiling panic-semihosting v0.6.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling rust-rtos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arch_impl`
[INFO] [stdout]   --> src/arch.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use arch_impl::*;
[INFO] [stdout]    |         ^^^^^^^^^ use of undeclared crate or module `arch_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::arch::switching`
[INFO] [stdout]  --> src/scheduler.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{arch::switching, supervisor};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^ no `switching` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::arch::switching`
[INFO] [stdout]  --> src/syscall.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     arch::switching,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `switching` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::arch::switching`
[INFO] [stdout]   --> src/lib.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |         use crate::arch::switching::start_cold;
[INFO] [stdout]    |                          ^^^^^^^^^ could not find `switching` in `arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(naked_functions, new_uninit, asm_const)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::*`
[INFO] [stdout]   --> src/arch.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub use common::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SuspendedTask`
[INFO] [stdout]  --> src/scheduler.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     task::{FramePtr, SuspendedTask, Task},
[INFO] [stdout]   |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `next_as`
[INFO] [stdout]   --> src/syscall.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 | macro_rules! next_as {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]   --> src/api.rs:7:24
[INFO] [stdout]    |
[INFO] [stdout] 7  |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )*)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     unsafe { syscall!(SVCallId::Yield) }
[INFO] [stdout]    |              ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]   --> src/api.rs:7:24
[INFO] [stdout]    |
[INFO] [stdout] 7  |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )*)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { syscall!(SVCallId::Print, "r1": dataptr, "r2": length) }
[INFO] [stdout]    |              ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r1`: unknown register
[INFO] [stdout]   --> src/api.rs:7:47
[INFO] [stdout]    |
[INFO] [stdout] 7  |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )*)
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { syscall!(SVCallId::Print, "r1": dataptr, "r2": length) }
[INFO] [stdout]    |              ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r2`: unknown register
[INFO] [stdout]   --> src/api.rs:7:47
[INFO] [stdout]    |
[INFO] [stdout] 7  |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )*)
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { syscall!(SVCallId::Print, "r1": dataptr, "r2": length) }
[INFO] [stdout]    |              ------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]   --> src/api.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )* lateout($or) $oe, $(lateout($b) $out, )*)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     unsafe { syscall!(SVCallId::ReadChar => "r0": res) };
[INFO] [stdout]    |              ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]   --> src/api.rs:11:63
[INFO] [stdout]    |
[INFO] [stdout] 11 |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )* lateout($or) $oe, $(lateout($b) $out, )*)
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     unsafe { syscall!(SVCallId::ReadChar => "r0": res) };
[INFO] [stdout]    |              ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]   --> src/api.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )* lateout($or) $oe, $(lateout($b) $out, )*)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     unsafe { syscall!(SVCallId::FreeMem => "r0": used, "r1": free) };
[INFO] [stdout]    |              ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]   --> src/api.rs:11:63
[INFO] [stdout]    |
[INFO] [stdout] 11 |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )* lateout($or) $oe, $(lateout($b) $out, )*)
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     unsafe { syscall!(SVCallId::FreeMem => "r0": used, "r1": free) };
[INFO] [stdout]    |              ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r1`: unknown register
[INFO] [stdout]   --> src/api.rs:11:83
[INFO] [stdout]    |
[INFO] [stdout] 11 |         asm!("SVC #0", in("r0") $id as u32, $(in($n) $val, )* lateout($or) $oe, $(lateout($b) $out, )*)
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     unsafe { syscall!(SVCallId::FreeMem => "r0": used, "r1": free) };
[INFO] [stdout]    |              ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `syscall` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(naked_functions, new_uninit, asm_const)]
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-rtos` (lib) due to 16 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "63d249496bf637ec8532109a87004ea3fc5d5dd52f1dd639913f2ad6dd46f913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d249496bf637ec8532109a87004ea3fc5d5dd52f1dd639913f2ad6dd46f913", kill_on_drop: false }`
[INFO] [stdout] 63d249496bf637ec8532109a87004ea3fc5d5dd52f1dd639913f2ad6dd46f913
