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. Remap source paths
17. 13. Exploit Mitigations
18. 14. Symbol Mangling
19. 1. 14.1. v0 Symbol Format
20. 15. Contributing to rustc
23. 16. Platform Support
24. 1. 16.1. Target Tier Policy
    2. 16.2. Template for Target-specific Documentation
    3. 16.3. arm64ec-pc-windows-msvc
    4. 16.4. *-apple-darwin
    5. 1. 16.4.1. i686-apple-darwin
       2. 16.4.2. x86_64h-apple-darwin
       3. 16.4.3. arm64e-apple-darwin
    6. 16.5. *-apple-ios
    7. 1. 16.5.1. *-apple-ios-macabi
       2. 16.5.2. arm64e-apple-ios
    8. 16.6. *-apple-tvos
    9. 1. 16.6.1. arm64e-apple-tvos
    10. 16.7. *-apple-watchos
    11. 16.8. *-apple-visionos
    12. 16.9. aarch64-nintendo-switch-freestanding
    13. 16.10. aarch64-unknown-linux-gnu
    14. 16.11. aarch64-unknown-linux-musl
    15. 16.12. aarch64-unknown-none*
    16. 16.13. aarch64_be-unknown-none-softfloat
    17. 16.14. aarch64_be-unknown-linux-musl
    18. 16.15. amdgcn-amd-amdhsa
    19. 16.16. arm-none-eabi
    20. 1. 16.16.1. armv4t-none-eabi
        2. 16.16.2. armv5te-none-eabi
        3. 16.16.3. armv7a-none-eabi{,hf}
        4. 16.16.4. armv7r-none-eabi{,hf}
        5. 16.16.5. armebv7r-none-eabi{,hf}
        6. 16.16.6. armv8r-none-eabihf
        7. 16.16.7. thumbv6m-none-eabi
        8. 16.16.8. thumbv7em-none-eabi*
        9. 16.16.9. thumbv7m-none-eabi
        10. 16.16.10. thumbv8m.base-none-eabi
        11. 16.16.11. thumbv8m.main-none-eabi*
    21. 16.17. arm*-unknown-linux-*
    22. 1. 16.17.1. armeb-unknown-linux-gnueabi
        2. 16.17.2. armv5te-unknown-linux-gnueabi
        3. 16.17.3. armv7-unknown-linux-gnueabi
        4. 16.17.4. armv7-unknown-linux-uclibceabi
        5. 16.17.5. armv7-unknown-linux-uclibceabihf
    23. 16.18. armv6k-nintendo-3ds
    24. 16.19. armv7-rtems-eabihf
    25. 16.20. armv7-sony-vita-newlibeabihf
    26. 16.21. armv7a-vex-v5
    27. 16.22. *-android and *-androideabi
    28. 16.23. *-linux-ohos
    29. 16.24. *-hurd-gnu
    30. 16.25. aarch64-unknown-teeos
    31. 16.26. avr-none
    32. 16.27. *-espidf
    33. 16.28. *-unknown-fuchsia
    34. 16.29. *-unknown-trusty
    35. 16.30. *-kmc-solid_*
    36. 16.31. csky-unknown-linux-gnuabiv2*
    37. 16.32. hexagon-unknown-linux-musl
    38. 16.33. hexagon-unknown-none-elf
    39. 16.34. hexagon-unknown-qurt
    40. 16.35. illumos
    41. 16.36. loongarch*-unknown-linux-*
    42. 16.37. loongarch*-unknown-none*
    43. 16.38. *-lynxos178-*
    44. 16.39. m68k-unknown-linux-gnu
    45. 16.40. m68k-unknown-none-elf
    46. 16.41. mips64-openwrt-linux-musl
    47. 16.42. mips64-unknown-linux-muslabi64
    48. 16.43. mipsel-sony-psx
    49. 16.44. mipsel-unknown-linux-gnu
    50. 16.45. mips*-mti-none-elf
    51. 16.46. mipsisa*r6*-unknown-linux-gnu*
    52. 16.47. nvptx64-nvidia-cuda
    53. 16.48. powerpc-unknown-openbsd
    54. 16.49. powerpc-unknown-linux-gnuspe
    55. 16.50. powerpc-unknown-linux-muslspe
    56. 16.51. powerpc64-ibm-aix
    57. 16.52. powerpc64-unknown-linux-musl
    58. 16.53. powerpc64le-unknown-linux-gnu
    59. 16.54. powerpc64le-unknown-linux-musl
    60. 16.55. riscv32e*-unknown-none-elf
    61. 16.56. riscv32i*-unknown-none-elf
    62. 16.57. riscv32im-risc0-zkvm-elf
    63. 16.58. riscv32imac-unknown-xous-elf
    64. 16.59. riscv64gc-unknown-linux-gnu
    65. 16.60. riscv64gc-unknown-linux-musl
    66. 16.61. riscv64a23-unknown-linux-gnu
    67. 16.62. s390x-unknown-linux-gnu
    68. 16.63. s390x-unknown-linux-musl
    69. 16.64. sparc-unknown-none-elf
    70. 16.65. solaris
    71. 16.66. *-nto-qnx-*
    72. 16.67. *-unikraft-linux-musl
    73. 16.68. *-unknown-helenos
    74. 16.69. *-unknown-hermit
    75. 16.70. *-unknown-freebsd
    76. 16.71. *-unknown-managarm-mlibc
    77. 16.72. *-unknown-motor
    78. 16.73. *-unknown-netbsd*
    79. 16.74. *-unknown-openbsd
    80. 16.75. *-unknown-redox
    81. 16.76. *-unknown-uefi
    82. 16.77. *-unknown-windows-msvc
    83. 16.78. *-uwp-windows-msvc
    84. 16.79. *-wrs-vxworks
    85. 16.80. wasm32-wasip1
    86. 16.81. wasm32-wasip1-threads
    87. 16.82. wasm32-wasip2
    88. 16.83. wasm32-wasip3
    89. 16.84. wasm32-wali-linux-musl
    90. 16.85. wasm32-unknown-emscripten
    91. 16.86. wasm32-unknown-unknown
    92. 16.87. wasm32v1-none
    93. 16.88. wasm64-unknown-unknown
    94. 16.89. windows-gnu
    95. 16.90. windows-gnullvm
    96. 16.91. *-win7-windows-gnu
    97. 16.92. *-win7-windows-msvc
    98. 16.93. x86_64-fortanix-unknown-sgx
    99. 16.94. x86_64-pc-cygwin
    100. 16.95. x86_64-unknown-linux-none
    101. 16.96. x86_64-unknown-none
    102. 16.97. xtensa-*-none-elf
    103. 16.98. *-nuttx-*