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-musl
    14. 16.11. aarch64-unknown-none*
    15. 16.12. aarch64_be-unknown-none-softfloat
    16. 16.13. aarch64_be-unknown-linux-musl
    17. 16.14. amdgcn-amd-amdhsa
    18. 16.15. armeb-unknown-linux-gnueabi
    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. armv5te-unknown-linux-gnueabi
    22. 16.18. armv6k-nintendo-3ds
    23. 16.19. armv7-rtems-eabihf
    24. 16.20. armv7-sony-vita-newlibeabihf
    25. 16.21. armv7-unknown-linux-uclibceabi
    26. 16.22. armv7-unknown-linux-uclibceabihf
    27. 16.23. armv7a-vex-v5
    28. 16.24. *-android and *-androideabi
    29. 16.25. *-linux-ohos
    30. 16.26. *-hurd-gnu
    31. 16.27. aarch64-unknown-teeos
    32. 16.28. avr-none
    33. 16.29. *-espidf
    34. 16.30. *-unknown-fuchsia
    35. 16.31. *-unknown-trusty
    36. 16.32. *-kmc-solid_*
    37. 16.33. csky-unknown-linux-gnuabiv2*
    38. 16.34. hexagon-unknown-linux-musl
    39. 16.35. hexagon-unknown-none-elf
    40. 16.36. illumos
    41. 16.37. loongarch*-unknown-linux-*
    42. 16.38. loongarch*-unknown-none*
    43. 16.39. *-lynxos178-*
    44. 16.40. m68k-unknown-linux-gnu
    45. 16.41. m68k-unknown-none-elf
    46. 16.42. mips64-openwrt-linux-musl
    47. 16.43. mips64-unknown-linux-muslabi64
    48. 16.44. mipsel-sony-psx
    49. 16.45. mipsel-unknown-linux-gnu
    50. 16.46. mips*-mti-none-elf
    51. 16.47. mipsisa*r6*-unknown-linux-gnu*
    52. 16.48. nvptx64-nvidia-cuda
    53. 16.49. powerpc-unknown-openbsd
    54. 16.50. powerpc-unknown-linux-gnuspe
    55. 16.51. powerpc-unknown-linux-muslspe
    56. 16.52. powerpc64-ibm-aix
    57. 16.53. powerpc64-unknown-linux-musl
    58. 16.54. powerpc64le-unknown-linux-gnu
    59. 16.55. powerpc64le-unknown-linux-musl
    60. 16.56. riscv32e*-unknown-none-elf
    61. 16.57. riscv32i*-unknown-none-elf
    62. 16.58. riscv32im-risc0-zkvm-elf
    63. 16.59. riscv32imac-unknown-xous-elf
    64. 16.60. riscv64gc-unknown-linux-gnu
    65. 16.61. riscv64gc-unknown-linux-musl
    66. 16.62. riscv64a23-unknown-linux-gnu
    67. 16.63. s390x-unknown-linux-gnu
    68. 16.64. s390x-unknown-linux-musl
    69. 16.65. sparc-unknown-none-elf
    70. 16.66. solaris
    71. 16.67. *-nto-qnx-*
    72. 16.68. *-unikraft-linux-musl
    73. 16.69. *-unknown-hermit
    74. 16.70. *-unknown-freebsd
    75. 16.71. *-unknown-managarm-mlibc
    76. 16.72. *-unknown-netbsd*
    77. 16.73. *-unknown-openbsd
    78. 16.74. *-unknown-redox
    79. 16.75. *-unknown-uefi
    80. 16.76. *-unknown-windows-msvc
    81. 16.77. *-uwp-windows-msvc
    82. 16.78. *-wrs-vxworks
    83. 16.79. wasm32-wasip1
    84. 16.80. wasm32-wasip1-threads
    85. 16.81. wasm32-wasip2
    86. 16.82. wasm32-wali-linux-musl
    87. 16.83. wasm32-unknown-emscripten
    88. 16.84. wasm32-unknown-unknown
    89. 16.85. wasm32v1-none
    90. 16.86. wasm64-unknown-unknown
    91. 16.87. windows-gnu
    92. 16.88. windows-gnullvm
    93. 16.89. *-win7-windows-gnu
    94. 16.90. *-win7-windows-msvc
    95. 16.91. x86_64-fortanix-unknown-sgx
    96. 16.92. x86_64-pc-cygwin
    97. 16.93. x86_64-unknown-linux-none
    98. 16.94. x86_64-unknown-none
    99. 16.95. xtensa-*-none-elf
    100. 16.96. *-nuttx-*
    101. 16.97. i386-lynx-lynxos178