[INFO] updating cached repository https://github.com/rcoverick/rust_dailyprogrammer [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 7eba5007eb1ec145617b2771d020da0663dd7473 [INFO] testing rcoverick/rust_dailyprogrammer against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcoverick%2Frust_dailyprogrammer" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcoverick/rust_dailyprogrammer on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/rcoverick/rust_dailyprogrammer [INFO] finished tweaking git repo https://github.com/rcoverick/rust_dailyprogrammer [INFO] tweaked toml for git repo https://github.com/rcoverick/rust_dailyprogrammer written to work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/rcoverick/rust_dailyprogrammer already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 23231afa6ff69058afd18c20acbccefb1e9beb4b0c47cea4be55e456179faf9e [INFO] running `"docker" "start" "-a" "23231afa6ff69058afd18c20acbccefb1e9beb4b0c47cea4be55e456179faf9e"` [INFO] [stderr] Compiling dailyprogrammer v0.1.0 (/opt/rustwide/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 2.38s [INFO] running `"docker" "inspect" "23231afa6ff69058afd18c20acbccefb1e9beb4b0c47cea4be55e456179faf9e"` [INFO] running `"docker" "rm" "-f" "23231afa6ff69058afd18c20acbccefb1e9beb4b0c47cea4be55e456179faf9e"` [INFO] [stdout] 23231afa6ff69058afd18c20acbccefb1e9beb4b0c47cea4be55e456179faf9e [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] dd5844d85a948ee69714c961e4fd826e66eb27c6a1db35a82ac0c74bad030738 [INFO] running `"docker" "start" "-a" "dd5844d85a948ee69714c961e4fd826e66eb27c6a1db35a82ac0c74bad030738"` [INFO] [stderr] Compiling dailyprogrammer v0.1.0 (/opt/rustwide/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 0.99s [INFO] running `"docker" "inspect" "dd5844d85a948ee69714c961e4fd826e66eb27c6a1db35a82ac0c74bad030738"` [INFO] running `"docker" "rm" "-f" "dd5844d85a948ee69714c961e4fd826e66eb27c6a1db35a82ac0c74bad030738"` [INFO] [stdout] dd5844d85a948ee69714c961e4fd826e66eb27c6a1db35a82ac0c74bad030738 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] f1ad313fc6835597b0fedb818faeb92c2d3c78650b76532eb97c2838f6860e1b [INFO] running `"docker" "start" "-a" "f1ad313fc6835597b0fedb818faeb92c2d3c78650b76532eb97c2838f6860e1b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dailyprogrammer-0207383bc6eda583 [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] [stderr] Running /opt/rustwide/target/debug/deps/dailyprogrammer-26b6cbddd970a17a [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] [stderr] Doc-tests dailyprogrammer [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" "f1ad313fc6835597b0fedb818faeb92c2d3c78650b76532eb97c2838f6860e1b"` [INFO] running `"docker" "rm" "-f" "f1ad313fc6835597b0fedb818faeb92c2d3c78650b76532eb97c2838f6860e1b"` [INFO] [stdout] f1ad313fc6835597b0fedb818faeb92c2d3c78650b76532eb97c2838f6860e1b