[INFO] updating cached repository https://github.com/rcoverick/rust_dailyprogrammer [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] 7eba5007eb1ec145617b2771d020da0663dd7473 [INFO] checking rcoverick/rust_dailyprogrammer against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcoverick%2Frust_dailyprogrammer" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcoverick/rust_dailyprogrammer on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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 /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/rcoverick/rust_dailyprogrammer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ad8f7091eeef36fc2c9c3cef4a934ccc3dc1b119ac875623d3dd7690b4212600 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "ad8f7091eeef36fc2c9c3cef4a934ccc3dc1b119ac875623d3dd7690b4212600"` [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking 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: 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] error[E0606]: casting `f32` as `i32` is invalid [INFO] [stderr] --> src/challenge/easy/interest_calc.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | for _ in 0..(periods * num_years) as i32{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid [INFO] [stderr] --> src/challenge/easy/interest_calc.rs:44:17 [INFO] [stderr] | [INFO] [stderr] 44 | for _ in 0..(periods * num_years) as i32{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: could not compile `dailyprogrammer`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] error: could not compile `dailyprogrammer`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ad8f7091eeef36fc2c9c3cef4a934ccc3dc1b119ac875623d3dd7690b4212600"` [INFO] running `"docker" "rm" "-f" "ad8f7091eeef36fc2c9c3cef4a934ccc3dc1b119ac875623d3dd7690b4212600"` [INFO] [stdout] ad8f7091eeef36fc2c9c3cef4a934ccc3dc1b119ac875623d3dd7690b4212600