[INFO] cloning repository https://github.com/hanifeee535/rust_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanifeee535/rust_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanifeee535%2Frust_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanifeee535%2Frust_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84381c8576a5facb993ae927342f10659f6bd0eb
[INFO] checking hanifeee535/rust_os against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanifeee535%2Frust_os" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hanifeee535/rust_os
[INFO] finished tweaking git repo https://github.com/hanifeee535/rust_os
[INFO] tweaked toml for git repo https://github.com/hanifeee535/rust_os written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hanifeee535/rust_os on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hanifeee535/rust_os 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "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 panic-halt v1.0.0
[INFO] [stderr]   Downloaded stm32f4 v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5012895a65710b7dafcfc703615ce1f75e96350772678a7f5fe8e5cc7eace658
[INFO] running `Command { std: "docker" "start" "-a" "5012895a65710b7dafcfc703615ce1f75e96350772678a7f5fe8e5cc7eace658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5012895a65710b7dafcfc703615ce1f75e96350772678a7f5fe8e5cc7eace658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5012895a65710b7dafcfc703615ce1f75e96350772678a7f5fe8e5cc7eace658", kill_on_drop: false }`
[INFO] [stdout] 5012895a65710b7dafcfc703615ce1f75e96350772678a7f5fe8e5cc7eace658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f8de95697d317bc45d53a54e6eca11d36e10fc0b14a028b5e900a9b09436a21
[INFO] running `Command { std: "docker" "start" "-a" "3f8de95697d317bc45d53a54e6eca11d36e10fc0b14a028b5e900a9b09436a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling stm32f4 v0.15.1
[INFO] [stderr]     Checking drivers v0.1.0 (/opt/rustwide/workdir/drivers)
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking panic-halt v1.0.0
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s: Assembler messages:
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:1: Error: unknown pseudo-op: `.syntax'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:2: Error: unknown pseudo-op: `.cpu'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:3: Error: unknown pseudo-op: `.thumb'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:4: Error: unknown pseudo-op: `.fpu'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:12: Error: no such instruction: `mrs r0,psp'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:15: Error: no such instruction: `stmdb r0!,{r4-r11}//Save R4–R11 to PSP'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:16: Error: unknown vector operation: `{lr}'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:17: Error: no such instruction: `cpsid i//interrupt disable'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:19: Error: no such instruction: `bl save_sp'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:23: Error: no such instruction: `bl update_to_next_task'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:26: Error: no such instruction: `bl get_sp'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:28: Error: no such instruction: `ldmia r0!,{r4-r11}'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:31: Error: no such instruction: `msr psp,r0//Update PSP'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:32: Error: unknown vector operation: `{lr}'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:33: Error: no such instruction: `cpsie i//enable interrupt'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:34: Error: no such instruction: `bx lr//Exception return → restores R0–R3,R12,LR,PC,xPSR'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:45: Error: junk `}//to get back to the previous function from where it called' after expression
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:45: Error: junk `need to preserve LR. because in the next line it will call another function named get_sp. After this' after expression
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:45: Error: too many memory references for `push'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:46: Error: no such instruction: `bl get_sp//get the value of psp of current task'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:47: Error: no such instruction: `msr psp,r0//initialize psp'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:48: Error: junk `}//pop back LR' after expression
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:51: Error: expecting operand after ','; got nothing
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:52: Error: no such instruction: `msr control,r0'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:53: Error: no such instruction: `bx lr'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:60: Error: no such instruction: `msr msp,r0//Load R0 value (top_of_stack variable)into MSP'
[INFO] [stderr] warning: kernel@0.1.0: src/os_assembly.s:61: Error: no such instruction: `bx lr//Return from function'
[INFO] [stderr] error: failed to run custom build command for `kernel v0.1.0 (/opt/rustwide/workdir/kernel)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/kernel-ba9deeff96e3f9f0/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OUT_DIR = Some(/opt/rustwide/target/debug/build/kernel-9a237ec8439b4d46/out)
[INFO] [stderr]   OPT_LEVEL = Some(0)
[INFO] [stderr]   TARGET = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   HOST = Some(x86_64-unknown-linux-gnu)
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CC
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC
[INFO] [stderr]   CC = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT
[INFO] [stderr]   RUSTC_WRAPPER = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some(true)
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87)
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_CFLAGS
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid)
[INFO] [stderr]   cargo:warning=src/os_assembly.s: Assembler messages:
[INFO] [stderr]   cargo:warning=src/os_assembly.s:1: Error: unknown pseudo-op: `.syntax'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:2: Error: unknown pseudo-op: `.cpu'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:3: Error: unknown pseudo-op: `.thumb'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:4: Error: unknown pseudo-op: `.fpu'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:12: Error: no such instruction: `mrs r0,psp'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:15: Error: no such instruction: `stmdb r0!,{r4-r11}//Save R4–R11 to PSP'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:16: Error: unknown vector operation: `{lr}'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:17: Error: no such instruction: `cpsid i//interrupt disable'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:19: Error: no such instruction: `bl save_sp'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:23: Error: no such instruction: `bl update_to_next_task'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:26: Error: no such instruction: `bl get_sp'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:28: Error: no such instruction: `ldmia r0!,{r4-r11}'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:31: Error: no such instruction: `msr psp,r0//Update PSP'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:32: Error: unknown vector operation: `{lr}'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:33: Error: no such instruction: `cpsie i//enable interrupt'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:34: Error: no such instruction: `bx lr//Exception return → restores R0–R3,R12,LR,PC,xPSR'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:45: Error: junk `}//to get back to the previous function from where it called' after expression
[INFO] [stderr]   cargo:warning=src/os_assembly.s:45: Error: junk `need to preserve LR. because in the next line it will call another function named get_sp. After this' after expression
[INFO] [stderr]   cargo:warning=src/os_assembly.s:45: Error: too many memory references for `push'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:46: Error: no such instruction: `bl get_sp//get the value of psp of current task'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:47: Error: no such instruction: `msr psp,r0//initialize psp'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:48: Error: junk `}//pop back LR' after expression
[INFO] [stderr]   cargo:warning=src/os_assembly.s:51: Error: expecting operand after ','; got nothing
[INFO] [stderr]   cargo:warning=src/os_assembly.s:52: Error: no such instruction: `msr control,r0'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:53: Error: no such instruction: `bx lr'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:60: Error: no such instruction: `msr msp,r0//Load R0 value (top_of_stack variable)into MSP'
[INFO] [stderr]   cargo:warning=src/os_assembly.s:61: Error: no such instruction: `bx lr//Return from function'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred in cc-rs: command did not execute successfully (status code exit status: 1): LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/kernel-9a237ec8439b4d46/out/55b345ab587357f8-os_assembly.o" "-c" "src/os_assembly.s"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f8de95697d317bc45d53a54e6eca11d36e10fc0b14a028b5e900a9b09436a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8de95697d317bc45d53a54e6eca11d36e10fc0b14a028b5e900a9b09436a21", kill_on_drop: false }`
[INFO] [stdout] 3f8de95697d317bc45d53a54e6eca11d36e10fc0b14a028b5e900a9b09436a21
