[INFO] cloning repository rcoverick/rust_dailyprogrammer [INFO] running `"git" "clone" "--bare" "git://github.com/rcoverick/rust_dailyprogrammer.git" "work/cache/sources/gh/rcoverick/rust_dailyprogrammer"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/rcoverick/rust_dailyprogrammer'... [INFO] running `"git" "clone" "work/cache/sources/gh/rcoverick/rust_dailyprogrammer" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/rcoverick/rust_dailyprogrammer"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/rcoverick/rust_dailyprogrammer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rcoverick/rust_dailyprogrammer" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/rcoverick/rust_dailyprogrammer"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/rcoverick/rust_dailyprogrammer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7eba5007eb1ec145617b2771d020da0663dd7473 [INFO] sha for GitHub repo rcoverick/rust_dailyprogrammer: 7eba5007eb1ec145617b2771d020da0663dd7473 [INFO] validating manifest of rcoverick/rust_dailyprogrammer on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rcoverick/rust_dailyprogrammer on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rcoverick/rust_dailyprogrammer [INFO] finished frobbing rcoverick/rust_dailyprogrammer [INFO] frobbed toml for rcoverick/rust_dailyprogrammer written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/rcoverick/rust_dailyprogrammer/Cargo.toml [INFO] started frobbing rcoverick/rust_dailyprogrammer [INFO] finished frobbing rcoverick/rust_dailyprogrammer [INFO] frobbed toml for rcoverick/rust_dailyprogrammer written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/rcoverick/rust_dailyprogrammer/Cargo.toml [INFO] crate rcoverick/rust_dailyprogrammer already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing rcoverick/rust_dailyprogrammer against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/rcoverick/rust_dailyprogrammer:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 4f94f9c26b657eba08934d5fc668e689ba732cddfa5a151a4fc8299008375cdd [INFO] running `"docker" "start" "-a" "4f94f9c26b657eba08934d5fc668e689ba732cddfa5a151a4fc8299008375cdd"` [INFO] [stderr] Compiling time v0.1.36 [INFO] [stderr] Compiling dailyprogrammer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/challenge/easy/pandigital_roman_numbers.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | / ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. [INFO] [stderr] 4 | | ///M+(DC or CD)+(LX or XL)+(VI or IV) = a pandigital roman numeral with all of the numerals exactly once [INFO] [stderr] | |______________________________________________________________________________________________________________^ [INFO] [stderr] 5 | / for m in [1000].into_iter(){ [INFO] [stderr] 6 | | for cd in [400, 600].into_iter(){ [INFO] [stderr] 7 | | for xl in [40,60].into_iter(){ [INFO] [stderr] 8 | | for iv in [4,6].into_iter(){ [INFO] [stderr] ... | [INFO] [stderr] 12 | | } [INFO] [stderr] 13 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/challenge/intermediate/pgm_manipulation.rs:20:32 [INFO] [stderr] | [INFO] [stderr] 20 | io::stdin().read_to_string((&mut buf)).unwrap(); [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/challenge/intermediate/pgm_manipulation.rs:38:41 [INFO] [stderr] | [INFO] [stderr] 38 | res.chunks_mut(width as usize).map(|mut x| x.reverse()).count(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.69s [INFO] running `"docker" "inspect" "4f94f9c26b657eba08934d5fc668e689ba732cddfa5a151a4fc8299008375cdd"` [INFO] running `"docker" "rm" "-f" "4f94f9c26b657eba08934d5fc668e689ba732cddfa5a151a4fc8299008375cdd"` [INFO] [stdout] 4f94f9c26b657eba08934d5fc668e689ba732cddfa5a151a4fc8299008375cdd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/rcoverick/rust_dailyprogrammer:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 266fa21e2a45292209dc4936c7624065fdb2e0af27e7814c3efc0ea2cfbb676d [INFO] running `"docker" "start" "-a" "266fa21e2a45292209dc4936c7624065fdb2e0af27e7814c3efc0ea2cfbb676d"` [INFO] [stderr] Compiling dailyprogrammer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/challenge/easy/pandigital_roman_numbers.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | / ///Numerals need to be in order. Each pair of numerals can be swapped to form a different number. [INFO] [stderr] 4 | | ///M+(DC or CD)+(LX or XL)+(VI or IV) = a pandigital roman numeral with all of the numerals exactly once [INFO] [stderr] | |______________________________________________________________________________________________________________^ [INFO] [stderr] 5 | / for m in [1000].into_iter(){ [INFO] [stderr] 6 | | for cd in [400, 600].into_iter(){ [INFO] [stderr] 7 | | for xl in [40,60].into_iter(){ [INFO] [stderr] 8 | | for iv in [4,6].into_iter(){ [INFO] [stderr] ... | [INFO] [stderr] 12 | | } [INFO] [stderr] 13 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/challenge/intermediate/pgm_manipulation.rs:20:32 [INFO] [stderr] | [INFO] [stderr] 20 | io::stdin().read_to_string((&mut buf)).unwrap(); [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/challenge/intermediate/pgm_manipulation.rs:38:41 [INFO] [stderr] | [INFO] [stderr] 38 | res.chunks_mut(width as usize).map(|mut x| x.reverse()).count(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "266fa21e2a45292209dc4936c7624065fdb2e0af27e7814c3efc0ea2cfbb676d"` [INFO] running `"docker" "rm" "-f" "266fa21e2a45292209dc4936c7624065fdb2e0af27e7814c3efc0ea2cfbb676d"` [INFO] [stdout] 266fa21e2a45292209dc4936c7624065fdb2e0af27e7814c3efc0ea2cfbb676d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/rcoverick/rust_dailyprogrammer:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 919121f01b3b7339ccfc9f6a70b1d9cff682ede47a8255cc00542e2972dd3e9f [INFO] running `"docker" "start" "-a" "919121f01b3b7339ccfc9f6a70b1d9cff682ede47a8255cc00542e2972dd3e9f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/dailyprogrammer-b493a24378243bb6 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/dailyprogrammer-05435e551003b61b [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests dailyprogrammer [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "919121f01b3b7339ccfc9f6a70b1d9cff682ede47a8255cc00542e2972dd3e9f"` [INFO] running `"docker" "rm" "-f" "919121f01b3b7339ccfc9f6a70b1d9cff682ede47a8255cc00542e2972dd3e9f"` [INFO] [stdout] 919121f01b3b7339ccfc9f6a70b1d9cff682ede47a8255cc00542e2972dd3e9f