[INFO] updating cached repository garyemerson/breadth_first_search_shortest_reach
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garyemerson/breadth_first_search_shortest_reach
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/breadth_first_search_shortest_reach" "work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/garyemerson/breadth_first_search_shortest_reach"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/garyemerson/breadth_first_search_shortest_reach'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/breadth_first_search_shortest_reach" "work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/garyemerson/breadth_first_search_shortest_reach"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/garyemerson/breadth_first_search_shortest_reach'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c621ee57319559079e0398369287452327d7d94
[INFO] sha for GitHub repo garyemerson/breadth_first_search_shortest_reach: 7c621ee57319559079e0398369287452327d7d94
[INFO] validating manifest of garyemerson/breadth_first_search_shortest_reach on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of garyemerson/breadth_first_search_shortest_reach on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing garyemerson/breadth_first_search_shortest_reach
[INFO] finished frobbing garyemerson/breadth_first_search_shortest_reach
[INFO] frobbed toml for garyemerson/breadth_first_search_shortest_reach written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/garyemerson/breadth_first_search_shortest_reach/Cargo.toml
[INFO] started frobbing garyemerson/breadth_first_search_shortest_reach
[INFO] finished frobbing garyemerson/breadth_first_search_shortest_reach
[INFO] frobbed toml for garyemerson/breadth_first_search_shortest_reach written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/garyemerson/breadth_first_search_shortest_reach/Cargo.toml
[INFO] crate garyemerson/breadth_first_search_shortest_reach already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking garyemerson/breadth_first_search_shortest_reach against try#424a4ae163d6517f301cd4048a4b5dd785be5b2f for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-7/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/garyemerson/breadth_first_search_shortest_reach:/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" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 09d360d203cefce64dbf816fc26cbddb928b3949309616dac0833bc9e18a4f6e
[INFO] running `"docker" "start" "-a" "09d360d203cefce64dbf816fc26cbddb928b3949309616dac0833bc9e18a4f6e"`
[INFO] [stderr]     Checking breadth_first_search_shortest_reach v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `num_edges`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     num_edges: i32,
[INFO] [stderr]    |     ^^^^^^^^^ help: consider prefixing with an underscore: `_num_edges`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_edges`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     num_edges: i32,
[INFO] [stderr]    |     ^^^^^^^^^ help: consider prefixing with an underscore: `_num_edges`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "09d360d203cefce64dbf816fc26cbddb928b3949309616dac0833bc9e18a4f6e"`
[INFO] running `"docker" "rm" "-f" "09d360d203cefce64dbf816fc26cbddb928b3949309616dac0833bc9e18a4f6e"`
[INFO] [stdout] 09d360d203cefce64dbf816fc26cbddb928b3949309616dac0833bc9e18a4f6e