[INFO] updating cached repository https://github.com/knknkn1162/sutramaking-rustbyexample [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ed8d40cb169c0e4aa14295977e391d7d15d1a27c [INFO] checking knknkn1162/sutramaking-rustbyexample against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Fsutramaking-rustbyexample" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/knknkn1162/sutramaking-rustbyexample on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample [INFO] finished tweaking git repo https://github.com/knknkn1162/sutramaking-rustbyexample [INFO] tweaked toml for git repo https://github.com/knknkn1162/sutramaking-rustbyexample written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/knknkn1162/sutramaking-rustbyexample already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f2ff1441a3a87d70b7c759bc9af743883f2d92f78d35e17b1a4ef89ae6080eaa [INFO] running `"docker" "start" "-a" "f2ff1441a3a87d70b7c759bc9af743883f2d92f78d35e17b1a4ef89ae6080eaa"` [INFO] [stderr] Checking official_docs v0.1.0 (/opt/rustwide/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: 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: 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 0.86s [INFO] running `"docker" "inspect" "f2ff1441a3a87d70b7c759bc9af743883f2d92f78d35e17b1a4ef89ae6080eaa"` [INFO] running `"docker" "rm" "-f" "f2ff1441a3a87d70b7c759bc9af743883f2d92f78d35e17b1a4ef89ae6080eaa"` [INFO] [stdout] f2ff1441a3a87d70b7c759bc9af743883f2d92f78d35e17b1a4ef89ae6080eaa