[INFO] updating cached repository knknkn1162/sutramaking-rustbyexample [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/knknkn1162/sutramaking-rustbyexample [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/sutramaking-rustbyexample" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/knknkn1162/sutramaking-rustbyexample"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/knknkn1162/sutramaking-rustbyexample'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/sutramaking-rustbyexample" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/knknkn1162/sutramaking-rustbyexample"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/knknkn1162/sutramaking-rustbyexample'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ed8d40cb169c0e4aa14295977e391d7d15d1a27c [INFO] sha for GitHub repo knknkn1162/sutramaking-rustbyexample: ed8d40cb169c0e4aa14295977e391d7d15d1a27c [INFO] validating manifest of knknkn1162/sutramaking-rustbyexample on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of knknkn1162/sutramaking-rustbyexample on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing knknkn1162/sutramaking-rustbyexample [INFO] finished frobbing knknkn1162/sutramaking-rustbyexample [INFO] frobbed toml for knknkn1162/sutramaking-rustbyexample written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/knknkn1162/sutramaking-rustbyexample/Cargo.toml [INFO] started frobbing knknkn1162/sutramaking-rustbyexample [INFO] finished frobbing knknkn1162/sutramaking-rustbyexample [INFO] frobbed toml for knknkn1162/sutramaking-rustbyexample written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/knknkn1162/sutramaking-rustbyexample/Cargo.toml [INFO] crate knknkn1162/sutramaking-rustbyexample already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking knknkn1162/sutramaking-rustbyexample against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/knknkn1162/sutramaking-rustbyexample:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f331d2a2f9551c73748e33574136045e916e52122df4dece4539673c314d1506 [INFO] running `"docker" "start" "-a" "f331d2a2f9551c73748e33574136045e916e52122df4dece4539673c314d1506"` [INFO] [stderr] Checking official_docs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/misc/filesystem.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::unix` [INFO] [stderr] --> src/misc/filesystem.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::os::unix; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/misc/filesystem.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::unix` [INFO] [stderr] --> src/misc/filesystem.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::os::unix; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/misc/filesystem.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let res = f.read_to_string(&mut s)?; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/misc/filesystem.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let res = OpenOptions::new().create(true).write(true).open(path)?; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `NTHREADS` [INFO] [stderr] --> src/misc/threads.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | static NTHREADS: i32 = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/threads.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/map_reduce.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `NTHREADS` [INFO] [stderr] --> src/misc/channels.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | static NTHREADS: i32 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/channels.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/path.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/open.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LOREM_IPSUM` [INFO] [stderr] --> src/misc/create.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / static LOREM_IPSUM: &'static str = [INFO] [stderr] 2 | | "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod [INFO] [stderr] 3 | | tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, [INFO] [stderr] 4 | | quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo [INFO] [stderr] ... | [INFO] [stderr] 7 | | proident, sunt in culpa qui officia deserunt mollit anim id est laborum. [INFO] [stderr] 8 | | "; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/create.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `PANGRAM` [INFO] [stderr] --> src/misc/pipes.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | / static PANGRAM: &'static str = [INFO] [stderr] 6 | | "the quick brown fox jumped over the lazy dog\n"; [INFO] [stderr] | |_____________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/pipes.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/wait.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cat` [INFO] [stderr] --> src/misc/filesystem.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | fn cat(path: &Path)->io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `echo` [INFO] [stderr] --> src/misc/filesystem.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | fn echo(s: &str, path: &Path)-> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `touch` [INFO] [stderr] --> src/misc/filesystem.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | fn touch(path: &Path) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/misc/args.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/types/into_from.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/misc/filesystem.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let res = f.read_to_string(&mut s)?; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/misc/filesystem.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let res = OpenOptions::new().create(true).write(true).open(path)?; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `NTHREADS` [INFO] [stderr] --> src/misc/threads.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | static NTHREADS: i32 = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/threads.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/map_reduce.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `NTHREADS` [INFO] [stderr] --> src/misc/channels.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | static NTHREADS: i32 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/channels.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/path.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/open.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LOREM_IPSUM` [INFO] [stderr] --> src/misc/create.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / static LOREM_IPSUM: &'static str = [INFO] [stderr] 2 | | "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod [INFO] [stderr] 3 | | tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, [INFO] [stderr] 4 | | quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo [INFO] [stderr] ... | [INFO] [stderr] 7 | | proident, sunt in culpa qui officia deserunt mollit anim id est laborum. [INFO] [stderr] 8 | | "; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/create.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `PANGRAM` [INFO] [stderr] --> src/misc/pipes.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | / static PANGRAM: &'static str = [INFO] [stderr] 6 | | "the quick brown fox jumped over the lazy dog\n"; [INFO] [stderr] | |_____________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/pipes.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/misc/wait.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cat` [INFO] [stderr] --> src/misc/filesystem.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | fn cat(path: &Path)->io::Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `echo` [INFO] [stderr] --> src/misc/filesystem.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | fn echo(s: &str, path: &Path)-> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `touch` [INFO] [stderr] --> src/misc/filesystem.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | fn touch(path: &Path) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/misc/args.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/types/into_from.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn test() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `"docker" "inspect" "f331d2a2f9551c73748e33574136045e916e52122df4dece4539673c314d1506"` [INFO] running `"docker" "rm" "-f" "f331d2a2f9551c73748e33574136045e916e52122df4dece4539673c314d1506"` [INFO] [stdout] f331d2a2f9551c73748e33574136045e916e52122df4dece4539673c314d1506