# Rust macros growth limit recursion

Report for the crater run in https://github.com/rust-lang/rust/pull/103029#issuecomment-1578135208

----

The test regression caused by the `expansion_growth_limit` are the following one

- https://crater-reports.s3.amazonaws.com/pr-103029-1/try%233260e8859c0ff2d67d3a723d758f74881c2fe40a/gh/123dou.learnRust/log.txt

[INFO] [stdout] error: expansion grow limit reached while expanding `vec!`
[INFO] [stdout]     --> finished/src/word_search_2.rs:123:13
[INFO] [stdout]      |
[INFO] [stdout] 123  | /             vec![
[INFO] [stdout] 124  | |                 "pluma", "holm", "lippen", "trag", "milla", "bietle", "upbind", "waxy", "knead",
[INFO] [stdout] 125  | |                 "nickle", "reem", "skice", "unde", "hain", "savant", "tryt", "ribose", "niton",
[INFO] [stdout] 126  | |                 "lysis", "bedad", "sindry", "themis", "blushy", "cocket", "tube", "craps",
[INFO] [stdout] ...    |
[INFO] [stdout] 3422 | |                 "genian", "restem", "impede",
[INFO] [stdout] 3423 | |             ],
[INFO] [stdout]      | |_____________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider increasing the expansion grow limit by adding a `#![expansion_growth_limit = "12000"]` attribute to your crate (`finished`)

- https://crater-reports.s3.amazonaws.com/pr-103029-1/try%233260e8859c0ff2d67d3a723d758f74881c2fe40a/gh/123dou.learnRust/log.txt

[INFO] [stdout] error: expansion grow limit reached while expanding `vec!`
[INFO] [stdout]     --> src/leetcode/editor/cn/medium/other/majority_element.rs:36:20
[INFO] [stdout]      |
[INFO] [stdout] 36   |           let nums = vec![
[INFO] [stdout]      |  ____________________^
[INFO] [stdout] 37   | |             1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1,
[INFO] [stdout] 38   | |             2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2,
[INFO] [stdout] 39   | |             1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1,
[INFO] [stdout] ...    |
[INFO] [stdout] 1761 | |             3, 3, 3, 3,
[INFO] [stdout] 1762 | |         ];
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider increasing the expansion grow limit by adding a `#![expansion_growth_limit = "12000"]` attribute to your crate (`learn_rust`)

- https://crater-reports.s3.amazonaws.com/pr-103029-1/try%233260e8859c0ff2d67d3a723d758f74881c2fe40a/gh/Calder-Ty.CLRS/log.txt

[INFO] [stdout] error: expansion grow limit reached while expanding `vec!`
[INFO] [stdout]    --> benches/sorting.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout] 7   | /     vec![
[INFO] [stdout] 8   | |         6583, 6582, 6585, 6589, 6586, 6587, 6588, 6591, 6592, 6593, 6590, 6594, 6581, 6584, 6580,
[INFO] [stdout] 9   | |         1489, 1488, 1491, 1499, 1492, 1493, 1494, 1501, 1502, 1503, 1500, 1504, 1487, 1490, 1486,
[INFO] [stdout] 10  | |         1508, 1507, 1514, 1518, 1515, 1516, 1517, 1520, 1521, 1522, 1519, 1523, 1506, 1509, 1505,
[INFO] [stdout] ...   |
[INFO] [stdout] 607 | |         3928, 3927, 3941, 3956, 3942, 3943, 3955, 3958, 3970, 3971, 3957, 3972, 3926, 3940, 3925,
[INFO] [stdout] 608 | |     ]
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider increasing the expansion grow limit by adding a `#![expansion_growth_limit = "12000"]` attribute to your crate (`sorting`)

- https://crater-reports.s3.amazonaws.com/pr-103029-1/try%233260e8859c0ff2d67d3a723d758f74881c2fe40a/gh/andrewaylett.wordle/log.txt

INFO] [stderr] error: could not compile `wordle` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expansion grow limit reached while expanding `words!`
[INFO] [stdout]     --> src/words.rs:255:43
[INFO] [stdout]      |
[INFO] [stdout] 255  |   pub const EXTENDED_WORDS: [Word; 10657] = words![
[INFO] [stdout]      |  ___________________________________________^
[INFO] [stdout] 256  | |     "aahed", "aalii", "aargh", "aarti", "abaca", "abaci", "abacs", "abaft", "abaka", "abamp",
[INFO] [stdout] 257  | |     "aband", "abash", "abask", "abaya", "abbas", "abbed", "abbes", "abcee", "abeam", "abear",
[INFO] [stdout] 258  | |     "abele", "abers", "abets", "abies", "abler", "ables", "ablet", "ablow", "abmho", "abohm",
[INFO] [stdout] ...    |
[INFO] [stdout] 1321 | |     "zuppa", "zurfs", "zuzim", "zygal", "zygon", "zymes", "zymic"
[INFO] [stdout] 1322 | | ];