[INFO] updating cached repository swizzard/boggler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/swizzard/boggler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/swizzard/boggler" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/swizzard/boggler"` [INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/swizzard/boggler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/swizzard/boggler" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/swizzard/boggler"` [INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/swizzard/boggler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cc01442ec61024df5448d8460f06d2fcdd7e2531 [INFO] sha for GitHub repo swizzard/boggler: cc01442ec61024df5448d8460f06d2fcdd7e2531 [INFO] validating manifest of swizzard/boggler on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of swizzard/boggler on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing swizzard/boggler [INFO] finished frobbing swizzard/boggler [INFO] frobbed toml for swizzard/boggler written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/swizzard/boggler/Cargo.toml [INFO] started frobbing swizzard/boggler [INFO] finished frobbing swizzard/boggler [INFO] frobbed toml for swizzard/boggler written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/swizzard/boggler/Cargo.toml [INFO] crate swizzard/boggler has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking swizzard/boggler against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-7/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/swizzard/boggler:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 01ff6f043a0e4a836ebc914694f0dade2d361a417001050cfa03c7687ff127a5 [INFO] running `"docker" "start" "-a" "01ff6f043a0e4a836ebc914694f0dade2d361a417001050cfa03c7687ff127a5"` [INFO] [stderr] Checking rand v0.5.1 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking boggler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `seen` [INFO] [stderr] --> src/solver.rs:156:17 [INFO] [stderr] | [INFO] [stderr] 156 | let mut seen: HashSet = HashSet::with_capacity(16); [INFO] [stderr] | ^^^^ help: consider using `_seen` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adjcts` [INFO] [stderr] --> src/solver.rs:158:17 [INFO] [stderr] | [INFO] [stderr] 158 | let adjcts = board.adjacents(x, y); [INFO] [stderr] | ^^^^^^ help: consider using `_adjcts` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | let mut x = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:155:13 [INFO] [stderr] | [INFO] [stderr] 155 | let mut y = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:156:13 [INFO] [stderr] | [INFO] [stderr] 156 | let mut seen: HashSet = HashSet::with_capacity(16); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_letter` [INFO] [stderr] --> src/solver.rs:149:5 [INFO] [stderr] | [INFO] [stderr] 149 | fn find_letter(&self, chr: &AsciiChar) -> Option<&BTNode> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `seen` [INFO] [stderr] --> src/solver.rs:156:17 [INFO] [stderr] | [INFO] [stderr] 156 | let mut seen: HashSet = HashSet::with_capacity(16); [INFO] [stderr] | ^^^^ help: consider using `_seen` instead [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `adjcts` [INFO] [stderr] --> src/solver.rs:158:17 [INFO] [stderr] | [INFO] [stderr] 158 | let adjcts = board.adjacents(x, y); [INFO] [stderr] | ^^^^^^ help: consider using `_adjcts` instead [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | let mut x = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:155:13 [INFO] [stderr] | [INFO] [stderr] 155 | let mut y = 0; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver.rs:156:13 [INFO] [stderr] | [INFO] [stderr] 156 | let mut seen: HashSet = HashSet::with_capacity(16); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.02s [INFO] running `"docker" "inspect" "01ff6f043a0e4a836ebc914694f0dade2d361a417001050cfa03c7687ff127a5"` [INFO] running `"docker" "rm" "-f" "01ff6f043a0e4a836ebc914694f0dade2d361a417001050cfa03c7687ff127a5"` [INFO] [stdout] 01ff6f043a0e4a836ebc914694f0dade2d361a417001050cfa03c7687ff127a5