Oct 12 18:53:16.188 INFO checking knknkn1162/sutramaking-rustbyexample against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977 Oct 12 18:53:16.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 12 18:53:16.653 INFO blam! 2300c199c316495afa634f30955b6ef4bda65d2b0bec4f86080fb93f29516834 Oct 12 18:53:16.655 INFO running `"docker" "start" "-a" "2300c199c316495afa634f30955b6ef4bda65d2b0bec4f86080fb93f29516834"` Oct 12 18:53:17.944 INFO kablam! usermod: no changes Oct 12 18:53:18.021 INFO kablam! Checking official_docs v0.1.0 (/source) Oct 12 18:53:18.644 INFO kablam! warning: unused import: `std::fs` Oct 12 18:53:18.644 INFO kablam! --> src/misc/filesystem.rs:1:5 Oct 12 18:53:18.644 INFO kablam! | Oct 12 18:53:18.644 INFO kablam! 1 | use std::fs; Oct 12 18:53:18.644 INFO kablam! | ^^^^^^^ Oct 12 18:53:18.644 INFO kablam! | Oct 12 18:53:18.644 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 18:53:18.644 INFO kablam! Oct 12 18:53:18.644 INFO kablam! warning: unused import: `std::os::unix` Oct 12 18:53:18.644 INFO kablam! --> src/misc/filesystem.rs:5:5 Oct 12 18:53:18.644 INFO kablam! | Oct 12 18:53:18.644 INFO kablam! 5 | use std::os::unix; Oct 12 18:53:18.644 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.644 INFO kablam! Oct 12 18:53:18.728 INFO kablam! warning: unused import: `std::fs` Oct 12 18:53:18.728 INFO kablam! --> src/misc/filesystem.rs:1:5 Oct 12 18:53:18.728 INFO kablam! | Oct 12 18:53:18.728 INFO kablam! 1 | use std::fs; Oct 12 18:53:18.728 INFO kablam! | ^^^^^^^ Oct 12 18:53:18.728 INFO kablam! | Oct 12 18:53:18.728 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 18:53:18.728 INFO kablam! Oct 12 18:53:18.728 INFO kablam! warning: unused import: `std::os::unix` Oct 12 18:53:18.728 INFO kablam! --> src/misc/filesystem.rs:5:5 Oct 12 18:53:18.728 INFO kablam! | Oct 12 18:53:18.728 INFO kablam! 5 | use std::os::unix; Oct 12 18:53:18.728 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.728 INFO kablam! Oct 12 18:53:18.744 INFO kablam! warning: unused variable: `res` Oct 12 18:53:18.744 INFO kablam! --> src/misc/filesystem.rs:11:9 Oct 12 18:53:18.744 INFO kablam! | Oct 12 18:53:18.744 INFO kablam! 11 | let res = f.read_to_string(&mut s)?; Oct 12 18:53:18.744 INFO kablam! | ^^^ help: consider using `_res` instead Oct 12 18:53:18.744 INFO kablam! | Oct 12 18:53:18.744 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 18:53:18.744 INFO kablam! Oct 12 18:53:18.744 INFO kablam! warning: unused variable: `res` Oct 12 18:53:18.744 INFO kablam! --> src/misc/filesystem.rs:21:9 Oct 12 18:53:18.744 INFO kablam! | Oct 12 18:53:18.744 INFO kablam! 21 | let res = OpenOptions::new().create(true).write(true).open(path)?; Oct 12 18:53:18.744 INFO kablam! | ^^^ help: consider using `_res` instead Oct 12 18:53:18.744 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: static item is never used: `NTHREADS` Oct 12 18:53:18.777 INFO kablam! --> src/misc/threads.rs:3:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 3 | static NTHREADS: i32 = 10; Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/threads.rs:5:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 5 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/map_reduce.rs:3:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 3 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: static item is never used: `NTHREADS` Oct 12 18:53:18.777 INFO kablam! --> src/misc/channels.rs:5:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 5 | static NTHREADS: i32 = 3; Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/channels.rs:7:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 7 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/path.rs:3:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 3 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/open.rs:7:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 7 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: static item is never used: `LOREM_IPSUM` Oct 12 18:53:18.777 INFO kablam! --> src/misc/create.rs:1:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 1 | / static LOREM_IPSUM: &'static str = Oct 12 18:53:18.777 INFO kablam! 2 | | "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod Oct 12 18:53:18.777 INFO kablam! 3 | | tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, Oct 12 18:53:18.777 INFO kablam! 4 | | quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo Oct 12 18:53:18.777 INFO kablam! ... | Oct 12 18:53:18.777 INFO kablam! 7 | | proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Oct 12 18:53:18.777 INFO kablam! 8 | | "; Oct 12 18:53:18.777 INFO kablam! | |__^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/create.rs:15:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 15 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: static item is never used: `PANGRAM` Oct 12 18:53:18.777 INFO kablam! --> src/misc/pipes.rs:5:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 5 | / static PANGRAM: &'static str = Oct 12 18:53:18.777 INFO kablam! 6 | | "the quick brown fox jumped over the lazy dog\n"; Oct 12 18:53:18.777 INFO kablam! | |_____________________________________________________^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/pipes.rs:8:1 Oct 12 18:53:18.777 INFO kablam! | Oct 12 18:53:18.777 INFO kablam! 8 | pub fn test() { Oct 12 18:53:18.777 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.777 INFO kablam! Oct 12 18:53:18.777 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.777 INFO kablam! --> src/misc/wait.rs:3:1 Oct 12 18:53:18.778 INFO kablam! | Oct 12 18:53:18.778 INFO kablam! 3 | pub fn test() { Oct 12 18:53:18.778 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.778 INFO kablam! Oct 12 18:53:18.778 INFO kablam! warning: function is never used: `cat` Oct 12 18:53:18.778 INFO kablam! --> src/misc/filesystem.rs:8:1 Oct 12 18:53:18.778 INFO kablam! | Oct 12 18:53:18.778 INFO kablam! 8 | fn cat(path: &Path)->io::Result { Oct 12 18:53:18.778 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.778 INFO kablam! Oct 12 18:53:18.778 INFO kablam! warning: function is never used: `echo` Oct 12 18:53:18.778 INFO kablam! --> src/misc/filesystem.rs:15:1 Oct 12 18:53:18.778 INFO kablam! | Oct 12 18:53:18.778 INFO kablam! 15 | fn echo(s: &str, path: &Path)-> io::Result<()> { Oct 12 18:53:18.778 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.778 INFO kablam! Oct 12 18:53:18.778 INFO kablam! warning: function is never used: `touch` Oct 12 18:53:18.778 INFO kablam! --> src/misc/filesystem.rs:20:1 Oct 12 18:53:18.778 INFO kablam! | Oct 12 18:53:18.778 INFO kablam! 20 | fn touch(path: &Path) -> io::Result<()> { Oct 12 18:53:18.778 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.778 INFO kablam! Oct 12 18:53:18.778 INFO kablam! warning: function is never used: `main` Oct 12 18:53:18.778 INFO kablam! --> src/misc/args.rs:3:1 Oct 12 18:53:18.778 INFO kablam! | Oct 12 18:53:18.778 INFO kablam! 3 | fn main() { Oct 12 18:53:18.778 INFO kablam! | ^^^^^^^^^ Oct 12 18:53:18.778 INFO kablam! Oct 12 18:53:18.778 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.778 INFO kablam! --> src/types/into_from.rs:15:1 Oct 12 18:53:18.778 INFO kablam! | Oct 12 18:53:18.778 INFO kablam! 15 | pub fn test() { Oct 12 18:53:18.778 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.778 INFO kablam! Oct 12 18:53:18.816 INFO kablam! warning: unused variable: `res` Oct 12 18:53:18.816 INFO kablam! --> src/misc/filesystem.rs:11:9 Oct 12 18:53:18.816 INFO kablam! | Oct 12 18:53:18.816 INFO kablam! 11 | let res = f.read_to_string(&mut s)?; Oct 12 18:53:18.816 INFO kablam! | ^^^ help: consider using `_res` instead Oct 12 18:53:18.816 INFO kablam! | Oct 12 18:53:18.816 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 18:53:18.816 INFO kablam! Oct 12 18:53:18.816 INFO kablam! warning: unused variable: `res` Oct 12 18:53:18.816 INFO kablam! --> src/misc/filesystem.rs:21:9 Oct 12 18:53:18.816 INFO kablam! | Oct 12 18:53:18.816 INFO kablam! 21 | let res = OpenOptions::new().create(true).write(true).open(path)?; Oct 12 18:53:18.816 INFO kablam! | ^^^ help: consider using `_res` instead Oct 12 18:53:18.816 INFO kablam! Oct 12 18:53:18.843 INFO kablam! warning: static item is never used: `NTHREADS` Oct 12 18:53:18.843 INFO kablam! --> src/misc/threads.rs:3:1 Oct 12 18:53:18.843 INFO kablam! | Oct 12 18:53:18.843 INFO kablam! 3 | static NTHREADS: i32 = 10; Oct 12 18:53:18.843 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.843 INFO kablam! | Oct 12 18:53:18.843 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 18:53:18.843 INFO kablam! Oct 12 18:53:18.843 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.843 INFO kablam! --> src/misc/threads.rs:5:1 Oct 12 18:53:18.843 INFO kablam! | Oct 12 18:53:18.843 INFO kablam! 5 | pub fn test() { Oct 12 18:53:18.843 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.843 INFO kablam! Oct 12 18:53:18.843 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.843 INFO kablam! --> src/misc/map_reduce.rs:3:1 Oct 12 18:53:18.843 INFO kablam! | Oct 12 18:53:18.843 INFO kablam! 3 | pub fn test() { Oct 12 18:53:18.843 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.843 INFO kablam! Oct 12 18:53:18.843 INFO kablam! warning: static item is never used: `NTHREADS` Oct 12 18:53:18.843 INFO kablam! --> src/misc/channels.rs:5:1 Oct 12 18:53:18.843 INFO kablam! | Oct 12 18:53:18.843 INFO kablam! 5 | static NTHREADS: i32 = 3; Oct 12 18:53:18.843 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.843 INFO kablam! Oct 12 18:53:18.844 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.844 INFO kablam! --> src/misc/channels.rs:7:1 Oct 12 18:53:18.844 INFO kablam! | Oct 12 18:53:18.844 INFO kablam! 7 | pub fn test() { Oct 12 18:53:18.844 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.844 INFO kablam! Oct 12 18:53:18.844 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.844 INFO kablam! --> src/misc/path.rs:3:1 Oct 12 18:53:18.844 INFO kablam! | Oct 12 18:53:18.844 INFO kablam! 3 | pub fn test() { Oct 12 18:53:18.844 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.844 INFO kablam! Oct 12 18:53:18.844 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.844 INFO kablam! --> src/misc/open.rs:7:1 Oct 12 18:53:18.844 INFO kablam! | Oct 12 18:53:18.844 INFO kablam! 7 | pub fn test() { Oct 12 18:53:18.844 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.844 INFO kablam! Oct 12 18:53:18.844 INFO kablam! warning: static item is never used: `LOREM_IPSUM` Oct 12 18:53:18.844 INFO kablam! --> src/misc/create.rs:1:1 Oct 12 18:53:18.844 INFO kablam! | Oct 12 18:53:18.844 INFO kablam! 1 | / static LOREM_IPSUM: &'static str = Oct 12 18:53:18.844 INFO kablam! 2 | | "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod Oct 12 18:53:18.844 INFO kablam! 3 | | tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, Oct 12 18:53:18.844 INFO kablam! 4 | | quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo Oct 12 18:53:18.844 INFO kablam! ... | Oct 12 18:53:18.844 INFO kablam! 7 | | proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Oct 12 18:53:18.844 INFO kablam! 8 | | "; Oct 12 18:53:18.844 INFO kablam! | |__^ Oct 12 18:53:18.844 INFO kablam! Oct 12 18:53:18.844 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.844 INFO kablam! --> src/misc/create.rs:15:1 Oct 12 18:53:18.844 INFO kablam! | Oct 12 18:53:18.844 INFO kablam! 15 | pub fn test() { Oct 12 18:53:18.844 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: static item is never used: `PANGRAM` Oct 12 18:53:18.847 INFO kablam! --> src/misc/pipes.rs:5:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 5 | / static PANGRAM: &'static str = Oct 12 18:53:18.847 INFO kablam! 6 | | "the quick brown fox jumped over the lazy dog\n"; Oct 12 18:53:18.847 INFO kablam! | |_____________________________________________________^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.847 INFO kablam! --> src/misc/pipes.rs:8:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 8 | pub fn test() { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.847 INFO kablam! --> src/misc/wait.rs:3:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 3 | pub fn test() { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `cat` Oct 12 18:53:18.847 INFO kablam! --> src/misc/filesystem.rs:8:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 8 | fn cat(path: &Path)->io::Result { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `echo` Oct 12 18:53:18.847 INFO kablam! --> src/misc/filesystem.rs:15:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 15 | fn echo(s: &str, path: &Path)-> io::Result<()> { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `touch` Oct 12 18:53:18.847 INFO kablam! --> src/misc/filesystem.rs:20:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 20 | fn touch(path: &Path) -> io::Result<()> { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `main` Oct 12 18:53:18.847 INFO kablam! --> src/misc/args.rs:3:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 3 | fn main() { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.847 INFO kablam! warning: function is never used: `test` Oct 12 18:53:18.847 INFO kablam! --> src/types/into_from.rs:15:1 Oct 12 18:53:18.847 INFO kablam! | Oct 12 18:53:18.847 INFO kablam! 15 | pub fn test() { Oct 12 18:53:18.847 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 18:53:18.847 INFO kablam! Oct 12 18:53:18.873 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.90s Oct 12 18:53:18.874 INFO kablam! su: No module specific data is present Oct 12 18:53:19.206 INFO running `"docker" "rm" "-f" "2300c199c316495afa634f30955b6ef4bda65d2b0bec4f86080fb93f29516834"` Oct 12 18:53:19.330 INFO blam! 2300c199c316495afa634f30955b6ef4bda65d2b0bec4f86080fb93f29516834