[INFO] fetching crate rpgtools 0.2.0-alpha...
[INFO] checking rpgtools-0.2.0-alpha against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate rpgtools 0.2.0-alpha into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rpgtools 0.2.0-alpha on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rpgtools 0.2.0-alpha
[INFO] finished tweaking crates.io crate rpgtools 0.2.0-alpha
[INFO] tweaked toml for crates.io crate rpgtools 0.2.0-alpha written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58270a5c2d67f14a426933e9333dea2c521a2b6b01889bd93636acaaaa23d968
[INFO] running `"docker" "start" "-a" "58270a5c2d67f14a426933e9333dea2c521a2b6b01889bd93636acaaaa23d968"`
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking rpgtools v0.2.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new() -> GridRoom {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_cell`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn add_cell(&mut self, (x, y): &(usize, usize)) -> Result<bool, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_cell`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn remove_cell(&mut self, (x, y): &(usize, usize)) -> Result<bool, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `partition_rooms`
[INFO] [stderr]    --> src/rpgtools/map/gridmap.rs:510:5
[INFO] [stderr]     |
[INFO] [stderr] 510 |     fn partition_rooms(&self) -> Vec<GridRoom> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new() -> GridRoom {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_cell`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn add_cell(&mut self, (x, y): &(usize, usize)) -> Result<bool, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_cell`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn remove_cell(&mut self, (x, y): &(usize, usize)) -> Result<bool, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/rpgtools/map/gridmap/gridroom.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `partition_rooms`
[INFO] [stderr]    --> src/rpgtools/map/gridmap.rs:510:5
[INFO] [stderr]     |
[INFO] [stderr] 510 |     fn partition_rooms(&self) -> Vec<GridRoom> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `"docker" "inspect" "58270a5c2d67f14a426933e9333dea2c521a2b6b01889bd93636acaaaa23d968"`
[INFO] running `"docker" "rm" "-f" "58270a5c2d67f14a426933e9333dea2c521a2b6b01889bd93636acaaaa23d968"`
[INFO] [stdout] 58270a5c2d67f14a426933e9333dea2c521a2b6b01889bd93636acaaaa23d968