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. armv5te-unknown-linux-gnueabi
    18. 15.14. armv6k-nintendo-3ds
    19. 15.15. armv7-rtems-eabihf
    20. 15.16. armv7-sony-vita-newlibeabihf
    21. 15.17. armv7-unknown-linux-uclibceabi
    22. 15.18. armv7-unknown-linux-uclibceabihf
    23. 15.19. *-android and *-androideabi
    24. 15.20. *-linux-ohos
    25. 15.21. *-hurd-gnu
    26. 15.22. aarch64-unknown-teeos
    27. 15.23. avr-none
    28. 15.24. *-espidf
    29. 15.25. *-unknown-fuchsia
    30. 15.26. *-unknown-trusty
    31. 15.27. *-kmc-solid_*
    32. 15.28. csky-unknown-linux-gnuabiv2*
    33. 15.29. hexagon-unknown-linux-musl
    34. 15.30. hexagon-unknown-none-elf
    35. 15.31. illumos
    36. 15.32. loongarch*-unknown-linux-*
    37. 15.33. loongarch*-unknown-none*
    38. 15.34. *-lynxos178-*
    39. 15.35. m68k-unknown-linux-gnu
    40. 15.36. m68k-unknown-none-elf
    41. 15.37. mips64-openwrt-linux-musl
    42. 15.38. mipsel-sony-psx
    43. 15.39. mipsel-unknown-linux-gnu
    44. 15.40. mips*-mti-none-elf
    45. 15.41. mipsisa*r6*-unknown-linux-gnu*
    46. 15.42. nvptx64-nvidia-cuda
    47. 15.43. powerpc-unknown-openbsd
    48. 15.44. powerpc-unknown-linux-gnuspe
    49. 15.45. powerpc-unknown-linux-muslspe
    50. 15.46. powerpc64-ibm-aix
    51. 15.47. powerpc64-unknown-linux-musl
    52. 15.48. powerpc64le-unknown-linux-gnu
    53. 15.49. powerpc64le-unknown-linux-musl
    54. 15.50. riscv32e*-unknown-none-elf
    55. 15.51. riscv32i*-unknown-none-elf
    56. 15.52. riscv32im-risc0-zkvm-elf
    57. 15.53. riscv32imac-unknown-xous-elf
    58. 15.54. riscv64gc-unknown-linux-gnu
    59. 15.55. riscv64gc-unknown-linux-musl
    60. 15.56. s390x-unknown-linux-gnu
    61. 15.57. s390x-unknown-linux-musl
    62. 15.58. sparc-unknown-none-elf
    63. 15.59. solaris
    64. 15.60. *-nto-qnx-*
    65. 15.61. *-unikraft-linux-musl
    66. 15.62. *-unknown-hermit
    67. 15.63. *-unknown-freebsd
    68. 15.64. *-unknown-netbsd*
    69. 15.65. *-unknown-openbsd
    70. 15.66. *-unknown-redox
    71. 15.67. *-unknown-uefi
    72. 15.68. *-unknown-windows-msvc
    73. 15.69. *-uwp-windows-msvc
    74. 15.70. *-wrs-vxworks
    75. 15.71. wasm32-wasip1
    76. 15.72. wasm32-wasip1-threads
    77. 15.73. wasm32-wasip2
    78. 15.74. wasm32-wali-linux-musl
    79. 15.75. wasm32-unknown-emscripten
    80. 15.76. wasm32-unknown-unknown
    81. 15.77. wasm32v1-none
    82. 15.78. wasm64-unknown-unknown
    83. 15.79. windows-gnu
    84. 15.80. windows-gnullvm
    85. 15.81. *-win7-windows-gnu
    86. 15.82. *-win7-windows-msvc
    87. 15.83. x86_64-fortanix-unknown-sgx
    88. 15.84. x86_64-pc-cygwin
    89. 15.85. x86_64-unknown-linux-none.md
    90. 15.86. x86_64-unknown-none
    91. 15.87. xtensa-*-none-elf
    92. 15.88. *-nuttx-*