[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dewaka/topcoder"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dewaka/topcoder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dewaka/topcoder" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dewaka/topcoder"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dewaka/topcoder on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dewaka/topcoder/Cargo.toml
[INFO] crate dewaka/topcoder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dewaka/topcoder against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dewaka/topcoder:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1e592731a6e62e25b341099e79af8a5d2e7bb8581306e1c3c332ea6b68fb8b43
[INFO] running `"docker" "start" "-a" "1e592731a6e62e25b341099e79af8a5d2e7bb8581306e1c3c332ea6b68fb8b43"`
[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 0.67s
[INFO] running `"docker" "inspect" "1e592731a6e62e25b341099e79af8a5d2e7bb8581306e1c3c332ea6b68fb8b43"`
[INFO] running `"docker" "rm" "-f" "1e592731a6e62e25b341099e79af8a5d2e7bb8581306e1c3c332ea6b68fb8b43"`
[INFO] [stdout] 1e592731a6e62e25b341099e79af8a5d2e7bb8581306e1c3c332ea6b68fb8b43