[INFO] updating cached repository dewaka/topcoder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dewaka/topcoder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dewaka/topcoder" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dewaka/topcoder"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dewaka/topcoder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dewaka/topcoder" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/dewaka/topcoder"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/dewaka/topcoder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1bf4e66d4187bbacdaf3faedbd50a0df89f59843
[INFO] sha for GitHub repo dewaka/topcoder: 1bf4e66d4187bbacdaf3faedbd50a0df89f59843
[INFO] validating manifest of dewaka/topcoder on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dewaka/topcoder on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dewaka/topcoder
[INFO] finished frobbing dewaka/topcoder
[INFO] frobbed toml for dewaka/topcoder written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dewaka/topcoder/Cargo.toml
[INFO] started frobbing dewaka/topcoder
[INFO] finished frobbing dewaka/topcoder
[INFO] frobbed toml for dewaka/topcoder written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/dewaka/topcoder/Cargo.toml
[INFO] crate dewaka/topcoder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking dewaka/topcoder against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dewaka/topcoder:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2867d0c74ea29c77c043b021badcb2941c1a98fed221ce0140c8e8e2f38f6d2
[INFO] running `"docker" "start" "-a" "c2867d0c74ea29c77c043b021badcb2941c1a98fed221ce0140c8e8e2f38f6d2"`
[INFO] [stderr]     Checking topcoder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]  --> src/problems/energy_source.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn count_different_sources(num: i64) -> (i64, i64) {
[INFO] [stderr]   |                                ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]  --> src/problems/building_strings.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn find_any(k: i32) -> Vec<String> {
[INFO] [stderr]   |                 ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]  --> src/problems/energy_source.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn count_different_sources(num: i64) -> (i64, i64) {
[INFO] [stderr]   |                                ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]  --> src/problems/building_strings.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn find_any(k: i32) -> Vec<String> {
[INFO] [stderr]   |                 ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "c2867d0c74ea29c77c043b021badcb2941c1a98fed221ce0140c8e8e2f38f6d2"`
[INFO] running `"docker" "rm" "-f" "c2867d0c74ea29c77c043b021badcb2941c1a98fed221ce0140c8e8e2f38f6d2"`
[INFO] [stdout] c2867d0c74ea29c77c043b021badcb2941c1a98fed221ce0140c8e8e2f38f6d2