1. 1. What is rustc?
2. 2. Command-line Arguments
3. 1. 2.1. Print Options
   2. 2.2. Codegen Options
4. 3. Jobserver
5. 4. Lints
6. 1. 4.1. Lint Levels
   2. 4.2. Lint Groups
   3. 4.3. Lint Listing
   4. 1. 4.3.1. Allowed-by-default Lints
      2. 4.3.2. Warn-by-default Lints
      3. 4.3.3. Deny-by-default Lints
7. 5. JSON Output
8. 6. Tests
9. 7. Targets
10. 1. 7.1. Built-in Targets
    2. 7.2. Custom Targets
    3. 7.3. Known Issues
11. 8. Profile-guided Optimization
12. 9. Instrumentation-based Code Coverage
13. 10. Linker-plugin-based LTO
14. 11. Checking Conditional Configurations
15. 1. 11.1. Cargo Specifics
16. 12. Exploit Mitigations
17. 13. Symbol Mangling
18. 1. 13.1. v0 Symbol Format
19. 14. Contributing to rustc
22. 15. Platform Support
23. 1. 15.1. Target Tier Policy
    2. 15.2. Template for Target-specific Documentation
    3. 15.3. arm64ec-pc-windows-msvc
    4. 15.4. *-apple-darwin
    5. 1. 15.4.1. i686-apple-darwin
       2. 15.4.2. x86_64h-apple-darwin
       3. 15.4.3. arm64e-apple-darwin
    6. 15.5. *-apple-ios
    7. 1. 15.5.1. *-apple-ios-macabi
       2. 15.5.2. arm64e-apple-ios
    8. 15.6. *-apple-tvos
    9. 1. 15.6.1. arm64e-apple-tvos
    10. 15.7. *-apple-watchos
    11. 15.8. *-apple-visionos
    12. 15.9. aarch64-nintendo-switch-freestanding
    13. 15.10. amdgcn-amd-amdhsa
    14. 15.11. armeb-unknown-linux-gnueabi
    15. 15.12. arm-none-eabi
    16. 1. 15.12.1. armv4t-none-eabi
        2. 15.12.2. armv5te-none-eabi
        3. 15.12.3. armv7r-none-eabi
        4. 15.12.4. armv8r-none-eabihf
        5. 15.12.5. thumbv6m-none-eabi
        6. 15.12.6. thumbv7em-none-eabi*
        7. 15.12.7. thumbv7m-none-eabi
        8. 15.12.8. thumbv8m.base-none-eabi
        9. 15.12.9. thumbv8m.main-none-eabi*
    17. 15.13. armv6k-nintendo-3ds
    18. 15.14. armv7-rtems-eabihf
    19. 15.15. armv7-sony-vita-newlibeabihf
    20. 15.16. armv7-unknown-linux-uclibceabi
    21. 15.17. armv7-unknown-linux-uclibceabihf
    22. 15.18. *-android and *-androideabi
    23. 15.19. *-linux-ohos
    24. 15.20. *-hurd-gnu
    25. 15.21. aarch64-unknown-teeos
    26. 15.22. avr-none
    27. 15.23. *-espidf
    28. 15.24. *-unknown-fuchsia
    29. 15.25. *-unknown-trusty
    30. 15.26. *-kmc-solid_*
    31. 15.27. csky-unknown-linux-gnuabiv2*
    32. 15.28. hexagon-unknown-linux-musl
    33. 15.29. hexagon-unknown-none-elf
    34. 15.30. illumos
    35. 15.31. loongarch*-unknown-linux-*
    36. 15.32. loongarch*-unknown-none*
    37. 15.33. *-lynxos178-*
    38. 15.34. m68k-unknown-linux-gnu
    39. 15.35. m68k-unknown-none-elf
    40. 15.36. mips64-openwrt-linux-musl
    41. 15.37. mipsel-sony-psx
    42. 15.38. mipsel-unknown-linux-gnu
    43. 15.39. mips*-mti-none-elf
    44. 15.40. mipsisa*r6*-unknown-linux-gnu*
    45. 15.41. nvptx64-nvidia-cuda
    46. 15.42. powerpc-unknown-openbsd
    47. 15.43. powerpc-unknown-linux-gnuspe
    48. 15.44. powerpc-unknown-linux-muslspe
    49. 15.45. powerpc64-ibm-aix
    50. 15.46. powerpc64-unknown-linux-musl
    51. 15.47. powerpc64le-unknown-linux-gnu
    52. 15.48. powerpc64le-unknown-linux-musl
    53. 15.49. riscv32e*-unknown-none-elf
    54. 15.50. riscv32i*-unknown-none-elf
    55. 15.51. riscv32im-risc0-zkvm-elf
    56. 15.52. riscv32imac-unknown-xous-elf
    57. 15.53. riscv64gc-unknown-linux-gnu
    58. 15.54. riscv64gc-unknown-linux-musl
    59. 15.55. s390x-unknown-linux-gnu
    60. 15.56. s390x-unknown-linux-musl
    61. 15.57. sparc-unknown-none-elf
    62. 15.58. solaris
    63. 15.59. *-nto-qnx-*
    64. 15.60. *-unikraft-linux-musl
    65. 15.61. *-unknown-hermit
    66. 15.62. *-unknown-freebsd
    67. 15.63. *-unknown-netbsd*
    68. 15.64. *-unknown-openbsd
    69. 15.65. *-unknown-redox
    70. 15.66. *-unknown-uefi
    71. 15.67. *-uwp-windows-msvc
    72. 15.68. *-wrs-vxworks
    73. 15.69. wasm32-wasip1
    74. 15.70. wasm32-wasip1-threads
    75. 15.71. wasm32-wasip2
    76. 15.72. wasm32-wali-linux-musl
    77. 15.73. wasm32-unknown-emscripten
    78. 15.74. wasm32-unknown-unknown
    79. 15.75. wasm32v1-none
    80. 15.76. wasm64-unknown-unknown
    81. 15.77. windows-gnu
    82. 15.78. windows-gnullvm
    83. 15.79. *-win7-windows-gnu
    84. 15.80. *-win7-windows-msvc
    85. 15.81. x86_64-fortanix-unknown-sgx
    86. 15.82. x86_64-pc-cygwin
    87. 15.83. x86_64-unknown-linux-none.md
    88. 15.84. x86_64-unknown-none
    89. 15.85. xtensa-*-none-elf
    90. 15.86. *-nuttx-*
    91. 15.87. i386-lynx-lynxos178