[INFO] cloning repository https://github.com/rainerru/graph
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rainerru/graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainerru%2Fgraph"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainerru%2Fgraph'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 005690220985763511192ee3f8af21ce715edd77
[INFO] checking rainerru/graph against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainerru%2Fgraph" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rainerru/graph on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rainerru/graph
[INFO] finished tweaking git repo https://github.com/rainerru/graph
[INFO] tweaked toml for git repo https://github.com/rainerru/graph written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rainerru/graph already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ac6db946b6427b04c61807013687dc3fed75f63e3a2d9e5db28540d7c22bfc3a
[INFO] running `"docker" "start" "-a" "ac6db946b6427b04c61807013687dc3fed75f63e3a2d9e5db28540d7c22bfc3a"`
[INFO] [stderr]     Checking matrix v0.22.0
[INFO] [stderr]     Checking graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `edges`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     edges: Vec<Edge>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/lib.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `source`
[INFO] [stderr]   --> src/lib.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     source: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `destination`
[INFO] [stderr]   --> src/lib.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     destination: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cost`
[INFO] [stderr]   --> src/lib.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     cost: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Path`
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Path
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `makeGrid`
[INFO] [stderr]   --> src/lib.rs:50:2
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn makeGrid ( &self ) -> matrix::format::Compressed<f64>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `makeGrid` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn makeGrid ( &self ) -> matrix::format::Compressed<f64>
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case: `make_grid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `edges`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     edges: Vec<Edge>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/lib.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `source`
[INFO] [stderr]   --> src/lib.rs:24:2
[INFO] [stderr]    |
[INFO] [stderr] 24 |     source: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `destination`
[INFO] [stderr]   --> src/lib.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     destination: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `cost`
[INFO] [stderr]   --> src/lib.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     cost: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Path`
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Path
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `makeGrid`
[INFO] [stderr]   --> src/lib.rs:50:2
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn makeGrid ( &self ) -> matrix::format::Compressed<f64>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `makeGrid` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn makeGrid ( &self ) -> matrix::format::Compressed<f64>
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case: `make_grid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `"docker" "inspect" "ac6db946b6427b04c61807013687dc3fed75f63e3a2d9e5db28540d7c22bfc3a"`
[INFO] running `"docker" "rm" "-f" "ac6db946b6427b04c61807013687dc3fed75f63e3a2d9e5db28540d7c22bfc3a"`
[INFO] [stdout] ac6db946b6427b04c61807013687dc3fed75f63e3a2d9e5db28540d7c22bfc3a