[INFO] updating cached repository jimblandy/hexes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jimblandy/hexes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/hexes" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jimblandy/hexes"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jimblandy/hexes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/hexes" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jimblandy/hexes"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jimblandy/hexes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] sha for GitHub repo jimblandy/hexes: 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] validating manifest of jimblandy/hexes on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jimblandy/hexes on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jimblandy/hexes
[INFO] finished frobbing jimblandy/hexes
[INFO] frobbed toml for jimblandy/hexes written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jimblandy/hexes/Cargo.toml
[INFO] started frobbing jimblandy/hexes
[INFO] finished frobbing jimblandy/hexes
[INFO] frobbed toml for jimblandy/hexes written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jimblandy/hexes/Cargo.toml
[INFO] crate jimblandy/hexes already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jimblandy/hexes against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jimblandy/hexes:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6e60ae6802c6cdf7124d83291b28a46bf689e7ee11fbf7e0155d778affffec2
[INFO] running `"docker" "start" "-a" "d6e60ae6802c6cdf7124d83291b28a46bf689e7ee11fbf7e0155d778affffec2"`
[INFO] [stderr]     Checking hexes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         /// You can think of the vertices of a hex grid as the union of four
[INFO] [stderr] 62 | |         /// rectangular grids, each of which has a horizontal spacing of three
[INFO] [stderr] 63 | |         /// and a vertical spacing of √3. The bottom bits of the two indices
[INFO] [stderr] 64 | |         /// indicate which grid of the four the given vertex falls on.
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr] 65 | /         let offset = match (i & 1, j & 1) {
[INFO] [stderr] 66 | |             (0,0) => Vector2::new( 0.0, 0.0),
[INFO] [stderr] 67 | |             (1,0) => Vector2::new( 1.0, 0.0),
[INFO] [stderr] 68 | |             (0,1) => Vector2::new(-0.5, f32::sqrt(3.0) / 2.0),
[INFO] [stderr] 69 | |             (1,1) => Vector2::new( 1.5, f32::sqrt(3.0) / 2.0),
[INFO] [stderr] 70 | |             _ => panic!("unexpected bit pattern")
[INFO] [stderr] 71 | |         };
[INFO] [stderr]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         /// You can think of the vertices of a hex grid as the union of four
[INFO] [stderr] 62 | |         /// rectangular grids, each of which has a horizontal spacing of three
[INFO] [stderr] 63 | |         /// and a vertical spacing of √3. The bottom bits of the two indices
[INFO] [stderr] 64 | |         /// indicate which grid of the four the given vertex falls on.
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr] 65 | /         let offset = match (i & 1, j & 1) {
[INFO] [stderr] 66 | |             (0,0) => Vector2::new( 0.0, 0.0),
[INFO] [stderr] 67 | |             (1,0) => Vector2::new( 1.0, 0.0),
[INFO] [stderr] 68 | |             (0,1) => Vector2::new(-0.5, f32::sqrt(3.0) / 2.0),
[INFO] [stderr] 69 | |             (1,1) => Vector2::new( 1.5, f32::sqrt(3.0) / 2.0),
[INFO] [stderr] 70 | |             _ => panic!("unexpected bit pattern")
[INFO] [stderr] 71 | |         };
[INFO] [stderr]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "d6e60ae6802c6cdf7124d83291b28a46bf689e7ee11fbf7e0155d778affffec2"`
[INFO] running `"docker" "rm" "-f" "d6e60ae6802c6cdf7124d83291b28a46bf689e7ee11fbf7e0155d778affffec2"`
[INFO] [stdout] d6e60ae6802c6cdf7124d83291b28a46bf689e7ee11fbf7e0155d778affffec2