[INFO] updating cached repository Retsam/delta
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Retsam/delta
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Retsam/delta" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Retsam/delta"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Retsam/delta'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Retsam/delta" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Retsam/delta"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Retsam/delta'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fba403d91ea8f7dfbea12d0a7f3447c6044c9bcb
[INFO] sha for GitHub repo Retsam/delta: fba403d91ea8f7dfbea12d0a7f3447c6044c9bcb
[INFO] validating manifest of Retsam/delta on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Retsam/delta on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Retsam/delta
[INFO] finished frobbing Retsam/delta
[INFO] frobbed toml for Retsam/delta written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Retsam/delta/Cargo.toml
[INFO] started frobbing Retsam/delta
[INFO] finished frobbing Retsam/delta
[INFO] frobbed toml for Retsam/delta written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Retsam/delta/Cargo.toml
[INFO] crate Retsam/delta has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Retsam/delta against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Retsam/delta:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 45cdf2a0c9eaa912b60f5dcfcc85515758a3219b007acdace20714c844698023
[INFO] running `"docker" "start" "-a" "45cdf2a0c9eaa912b60f5dcfcc85515758a3219b007acdace20714c844698023"`
[INFO] [stderr]     Checking delta v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:74:6
[INFO] [stderr]    |
[INFO] [stderr] 74 |     for y in 0..SCREEN_HEIGHT {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:76:7
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for x in 0..SCREEN_WIDTH {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vector`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Vector {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VIEW_WIDTH`
[INFO] [stderr]   --> src/main.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | const VIEW_WIDTH: f64 = 100 as f64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VIEW_HEIGHT`
[INFO] [stderr]   --> src/main.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | const VIEW_HEIGHT: f64 = 100 as f64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FOCAL_POINT`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / const FOCAL_POINT: Point = Point {
[INFO] [stderr] 41 | |     x: 0 as f64,
[INFO] [stderr] 42 | |     y: 0 as f64,
[INFO] [stderr] 43 | |     z: 10 as f64
[INFO] [stderr] 44 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/main.rs:74:6
[INFO] [stderr]    |
[INFO] [stderr] 74 |     for y in 0..SCREEN_HEIGHT {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:76:7
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for x in 0..SCREEN_WIDTH {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vector`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Vector {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VIEW_WIDTH`
[INFO] [stderr]   --> src/main.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | const VIEW_WIDTH: f64 = 100 as f64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VIEW_HEIGHT`
[INFO] [stderr]   --> src/main.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | const VIEW_HEIGHT: f64 = 100 as f64;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FOCAL_POINT`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / const FOCAL_POINT: Point = Point {
[INFO] [stderr] 41 | |     x: 0 as f64,
[INFO] [stderr] 42 | |     y: 0 as f64,
[INFO] [stderr] 43 | |     z: 10 as f64
[INFO] [stderr] 44 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "45cdf2a0c9eaa912b60f5dcfcc85515758a3219b007acdace20714c844698023"`
[INFO] running `"docker" "rm" "-f" "45cdf2a0c9eaa912b60f5dcfcc85515758a3219b007acdace20714c844698023"`
[INFO] [stdout] 45cdf2a0c9eaa912b60f5dcfcc85515758a3219b007acdace20714c844698023