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. arm-none-eabi
    19. 1. 16.15.1. armv4t-none-eabi
        2. 16.15.2. armv5te-none-eabi
        3. 16.15.3. armv7a-none-eabi{,hf}
        4. 16.15.4. armv7r-none-eabi{,hf}
        5. 16.15.5. armebv7r-none-eabi{,hf}
        6. 16.15.6. armv8r-none-eabihf
        7. 16.15.7. thumbv6m-none-eabi
        8. 16.15.8. thumbv7em-none-eabi*
        9. 16.15.9. thumbv7m-none-eabi
        10. 16.15.10. thumbv8m.base-none-eabi
        11. 16.15.11. thumbv8m.main-none-eabi*
    20. 16.16. arm*-unknown-linux-*
    21. 1. 16.16.1. armeb-unknown-linux-gnueabi
        2. 16.16.2. armv5te-unknown-linux-gnueabi
        3. 16.16.3. armv7-unknown-linux-uclibceabi
        4. 16.16.4. armv7-unknown-linux-uclibceabihf
    22. 16.17. armv6k-nintendo-3ds
    23. 16.18. armv7-rtems-eabihf
    24. 16.19. armv7-sony-vita-newlibeabihf
    25. 16.20. armv7a-vex-v5
    26. 16.21. *-android and *-androideabi
    27. 16.22. *-linux-ohos
    28. 16.23. *-hurd-gnu
    29. 16.24. aarch64-unknown-teeos
    30. 16.25. avr-none
    31. 16.26. *-espidf
    32. 16.27. *-unknown-fuchsia
    33. 16.28. *-unknown-trusty
    34. 16.29. *-kmc-solid_*
    35. 16.30. csky-unknown-linux-gnuabiv2*
    36. 16.31. hexagon-unknown-linux-musl
    37. 16.32. hexagon-unknown-none-elf
    38. 16.33. illumos
    39. 16.34. loongarch*-unknown-linux-*
    40. 16.35. loongarch*-unknown-none*
    41. 16.36. *-lynxos178-*
    42. 16.37. m68k-unknown-linux-gnu
    43. 16.38. m68k-unknown-none-elf
    44. 16.39. mips64-openwrt-linux-musl
    45. 16.40. mips64-unknown-linux-muslabi64
    46. 16.41. mipsel-sony-psx
    47. 16.42. mipsel-unknown-linux-gnu
    48. 16.43. mips*-mti-none-elf
    49. 16.44. mipsisa*r6*-unknown-linux-gnu*
    50. 16.45. nvptx64-nvidia-cuda
    51. 16.46. powerpc-unknown-openbsd
    52. 16.47. powerpc-unknown-linux-gnuspe
    53. 16.48. powerpc-unknown-linux-muslspe
    54. 16.49. powerpc64-ibm-aix
    55. 16.50. powerpc64-unknown-linux-musl
    56. 16.51. powerpc64le-unknown-linux-gnu
    57. 16.52. powerpc64le-unknown-linux-musl
    58. 16.53. riscv32e*-unknown-none-elf
    59. 16.54. riscv32i*-unknown-none-elf
    60. 16.55. riscv32im-risc0-zkvm-elf
    61. 16.56. riscv32imac-unknown-xous-elf
    62. 16.57. riscv64gc-unknown-linux-gnu
    63. 16.58. riscv64gc-unknown-linux-musl
    64. 16.59. riscv64a23-unknown-linux-gnu
    65. 16.60. s390x-unknown-linux-gnu
    66. 16.61. s390x-unknown-linux-musl
    67. 16.62. sparc-unknown-none-elf
    68. 16.63. solaris
    69. 16.64. *-nto-qnx-*
    70. 16.65. *-unikraft-linux-musl
    71. 16.66. *-unknown-hermit
    72. 16.67. *-unknown-freebsd
    73. 16.68. *-unknown-managarm-mlibc
    74. 16.69. *-unknown-netbsd*
    75. 16.70. *-unknown-openbsd
    76. 16.71. *-unknown-redox
    77. 16.72. *-unknown-uefi
    78. 16.73. *-unknown-windows-msvc
    79. 16.74. *-uwp-windows-msvc
    80. 16.75. *-wrs-vxworks
    81. 16.76. wasm32-wasip1
    82. 16.77. wasm32-wasip1-threads
    83. 16.78. wasm32-wasip2
    84. 16.79. wasm32-wali-linux-musl
    85. 16.80. wasm32-unknown-emscripten
    86. 16.81. wasm32-unknown-unknown
    87. 16.82. wasm32v1-none
    88. 16.83. wasm64-unknown-unknown
    89. 16.84. windows-gnu
    90. 16.85. windows-gnullvm
    91. 16.86. *-win7-windows-gnu
    92. 16.87. *-win7-windows-msvc
    93. 16.88. x86_64-fortanix-unknown-sgx
    94. 16.89. x86_64-pc-cygwin
    95. 16.90. x86_64-unknown-linux-none
    96. 16.91. x86_64-unknown-none
    97. 16.92. xtensa-*-none-elf
    98. 16.93. *-nuttx-*