[INFO] updating cached repository https://github.com/TurtlePU/hexbox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1fffc05e02d2eb001f51d47e969ea62e821f17d8
[INFO] checking TurtlePU/hexbox against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Fhexbox" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TurtlePU/hexbox on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TurtlePU/hexbox
[INFO] finished tweaking git repo https://github.com/TurtlePU/hexbox
[INFO] tweaked toml for git repo https://github.com/TurtlePU/hexbox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TurtlePU/hexbox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 4da27648d05f7823c362f303daf7fdb3b30c90db62c2cb1cdef6e19050164b36
[INFO] running `"docker" "start" "-a" "4da27648d05f7823c362f303daf7fdb3b30c90db62c2cb1cdef6e19050164b36"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling derive_more v0.99.3
[INFO] [stderr]     Checking hexbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/pos/direction.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Direction {
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Entity`
[INFO] [stderr]  --> src/entity/mod.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Entity {}
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Block`
[INFO] [stderr]  --> src/world/block.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Block {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chunk`
[INFO] [stderr]  --> src/world/chunk.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Chunk {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]   --> src/world/mod.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct World(HashMap<ChunkPos, Chunk>);
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/pos/direction.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Direction {
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Entity`
[INFO] [stderr]  --> src/entity/mod.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Entity {}
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Block`
[INFO] [stderr]  --> src/world/block.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Block {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Chunk`
[INFO] [stderr]  --> src/world/chunk.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Chunk {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]   --> src/world/mod.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct World(HashMap<ChunkPos, Chunk>);
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.73s
[INFO] running `"docker" "inspect" "4da27648d05f7823c362f303daf7fdb3b30c90db62c2cb1cdef6e19050164b36"`
[INFO] running `"docker" "rm" "-f" "4da27648d05f7823c362f303daf7fdb3b30c90db62c2cb1cdef6e19050164b36"`
[INFO] [stdout] 4da27648d05f7823c362f303daf7fdb3b30c90db62c2cb1cdef6e19050164b36