[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/beta-1.38-1/sources/1.37.0/gh/Retsam/delta"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Retsam/delta'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Retsam/delta" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Retsam/delta"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Retsam/delta on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/Retsam/delta/Cargo.toml
[INFO] crate Retsam/delta already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Retsam/delta against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5c85db8eb46a5a9a53db08232a8abc90b43f84d129554780b6c41d19375b81a8
[INFO] running `"docker" "start" "-a" "5c85db8eb46a5a9a53db08232a8abc90b43f84d129554780b6c41d19375b81a8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "5c85db8eb46a5a9a53db08232a8abc90b43f84d129554780b6c41d19375b81a8"`
[INFO] running `"docker" "rm" "-f" "5c85db8eb46a5a9a53db08232a8abc90b43f84d129554780b6c41d19375b81a8"`
[INFO] [stdout] 5c85db8eb46a5a9a53db08232a8abc90b43f84d129554780b6c41d19375b81a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5894f19bd49dc3240ba8cecbcabae57a101f89828e7fe4df2a30d66a03c1fc05
[INFO] running `"docker" "start" "-a" "5894f19bd49dc3240ba8cecbcabae57a101f89828e7fe4df2a30d66a03c1fc05"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "5894f19bd49dc3240ba8cecbcabae57a101f89828e7fe4df2a30d66a03c1fc05"`
[INFO] running `"docker" "rm" "-f" "5894f19bd49dc3240ba8cecbcabae57a101f89828e7fe4df2a30d66a03c1fc05"`
[INFO] [stdout] 5894f19bd49dc3240ba8cecbcabae57a101f89828e7fe4df2a30d66a03c1fc05
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 384d630b6d91f255cd458b6aa101d99564a6c80aaec44fe7304139e6c3f2531d
[INFO] running `"docker" "start" "-a" "384d630b6d91f255cd458b6aa101d99564a6c80aaec44fe7304139e6c3f2531d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/delta-6d821ab9ab204246
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "384d630b6d91f255cd458b6aa101d99564a6c80aaec44fe7304139e6c3f2531d"`
[INFO] running `"docker" "rm" "-f" "384d630b6d91f255cd458b6aa101d99564a6c80aaec44fe7304139e6c3f2531d"`
[INFO] [stdout] 384d630b6d91f255cd458b6aa101d99564a6c80aaec44fe7304139e6c3f2531d