[INFO] updating cached repository sndnv/rowe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sndnv/rowe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sndnv/rowe" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sndnv/rowe"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sndnv/rowe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sndnv/rowe" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sndnv/rowe"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sndnv/rowe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d440e4defd69db839c226419c006705b9decc247
[INFO] sha for GitHub repo sndnv/rowe: d440e4defd69db839c226419c006705b9decc247
[INFO] validating manifest of sndnv/rowe on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sndnv/rowe on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sndnv/rowe
[INFO] finished frobbing sndnv/rowe
[INFO] frobbed toml for sndnv/rowe written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sndnv/rowe/Cargo.toml
[INFO] started frobbing sndnv/rowe
[INFO] finished frobbing sndnv/rowe
[INFO] frobbed toml for sndnv/rowe written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sndnv/rowe/Cargo.toml
[INFO] crate sndnv/rowe already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sndnv/rowe against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sndnv/rowe:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c736339da653f60a863ce7c2edf4cfe68068472ae4e8a0348736db963deb7299
[INFO] running `"docker" "start" "-a" "c736339da653f60a863ce7c2edf4cfe68068472ae4e8a0348736db963deb7299"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling ndarray v0.10.10
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking pathfinding v0.2.2
[INFO] [stderr]     Checking owe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `walker`
[INFO] [stderr]    --> src/map/cursor.rs:235:77
[INFO] [stderr]     |
[INFO] [stderr] 235 |                                 p.produce_walker(&*grid_entity.entity).map(|walker| {
[INFO] [stderr]     |                                                                             ^^^^^^ help: consider prefixing with an underscore: `_walker`
[INFO] [stderr] warning: unused variable: `walker`
[INFO] [stderr]    --> src/map/cursor.rs:235:77
[INFO] [stderr]     |
[INFO] [stderr] 235 |                                 p.produce_walker(&*grid_entity.entity).map(|walker| {
[INFO] [stderr]     |                                                                             ^^^^^^ help: consider prefixing with an underscore: `_walker`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/map/cursor.rs:246:46
[INFO] [stderr]     |
[INFO] [stderr] 246 |                     Entity::Walker { ref mut state, .. } => {
[INFO] [stderr]     |                                      --------^^^^^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: try ignoring the field: `state: _`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/map/cursor.rs:246:46
[INFO] [stderr]     |
[INFO] [stderr] 246 |                     Entity::Walker { ref mut state, .. } => {
[INFO] [stderr]     |                                      --------^^^^^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      help: try ignoring the field: `state: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/production/exchange.rs:141:29
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         let mut entity_map = entry.get_mut();
[INFO] [stderr]     |                             ----^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/production/exchange.rs:141:29
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         let mut entity_map = entry.get_mut();
[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/production/exchange.rs:188:29
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         let mut entity_map = entry.get_mut();
[INFO] [stderr]     |                             ----^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[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/production/exchange.rs:188:29
[INFO] [stderr]     |
[INFO] [stderr] 188 |                         let mut entity_map = entry.get_mut();
[INFO] [stderr]     |                             ----^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> tests/grid.rs:657:57
[INFO] [stderr]     |
[INFO] [stderr] 657 |     assert_eq!(g.remove_global_effect(&effects[1]), Err((GridError::EffectMissing)));
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.86s
[INFO] running `"docker" "inspect" "c736339da653f60a863ce7c2edf4cfe68068472ae4e8a0348736db963deb7299"`
[INFO] running `"docker" "rm" "-f" "c736339da653f60a863ce7c2edf4cfe68068472ae4e8a0348736db963deb7299"`
[INFO] [stdout] c736339da653f60a863ce7c2edf4cfe68068472ae4e8a0348736db963deb7299