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. illumos
    40. 16.35. loongarch*-unknown-linux-*
    41. 16.36. loongarch*-unknown-none*
    42. 16.37. *-lynxos178-*
    43. 16.38. m68k-unknown-linux-gnu
    44. 16.39. m68k-unknown-none-elf
    45. 16.40. mips64-openwrt-linux-musl
    46. 16.41. mips64-unknown-linux-muslabi64
    47. 16.42. mipsel-sony-psx
    48. 16.43. mipsel-unknown-linux-gnu
    49. 16.44. mips*-mti-none-elf
    50. 16.45. mipsisa*r6*-unknown-linux-gnu*
    51. 16.46. nvptx64-nvidia-cuda
    52. 16.47. powerpc-unknown-openbsd
    53. 16.48. powerpc-unknown-linux-gnuspe
    54. 16.49. powerpc-unknown-linux-muslspe
    55. 16.50. powerpc64-ibm-aix
    56. 16.51. powerpc64-unknown-linux-musl
    57. 16.52. powerpc64le-unknown-linux-gnu
    58. 16.53. powerpc64le-unknown-linux-musl
    59. 16.54. riscv32e*-unknown-none-elf
    60. 16.55. riscv32i*-unknown-none-elf
    61. 16.56. riscv32im-risc0-zkvm-elf
    62. 16.57. riscv32imac-unknown-xous-elf
    63. 16.58. riscv64gc-unknown-linux-gnu
    64. 16.59. riscv64gc-unknown-linux-musl
    65. 16.60. riscv64a23-unknown-linux-gnu
    66. 16.61. s390x-unknown-linux-gnu
    67. 16.62. s390x-unknown-linux-musl
    68. 16.63. sparc-unknown-none-elf
    69. 16.64. solaris
    70. 16.65. *-nto-qnx-*
    71. 16.66. *-unikraft-linux-musl
    72. 16.67. *-unknown-helenos
    73. 16.68. *-unknown-hermit
    74. 16.69. *-unknown-freebsd
    75. 16.70. *-unknown-managarm-mlibc
    76. 16.71. *-unknown-motor
    77. 16.72. *-unknown-netbsd*
    78. 16.73. *-unknown-openbsd
    79. 16.74. *-unknown-redox
    80. 16.75. *-unknown-uefi
    81. 16.76. *-unknown-windows-msvc
    82. 16.77. *-uwp-windows-msvc
    83. 16.78. *-wrs-vxworks
    84. 16.79. wasm32-wasip1
    85. 16.80. wasm32-wasip1-threads
    86. 16.81. wasm32-wasip2
    87. 16.82. wasm32-wasip3
    88. 16.83. wasm32-wali-linux-musl
    89. 16.84. wasm32-unknown-emscripten
    90. 16.85. wasm32-unknown-unknown
    91. 16.86. wasm32v1-none
    92. 16.87. wasm64-unknown-unknown
    93. 16.88. windows-gnu
    94. 16.89. windows-gnullvm
    95. 16.90. *-win7-windows-gnu
    96. 16.91. *-win7-windows-msvc
    97. 16.92. x86_64-fortanix-unknown-sgx
    98. 16.93. x86_64-pc-cygwin
    99. 16.94. x86_64-unknown-linux-none
    100. 16.95. x86_64-unknown-none
    101. 16.96. xtensa-*-none-elf
    102. 16.97. *-nuttx-*
    103. 16.98. i386-lynx-lynxos178