[INFO] updating cached repository thbar/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thbar/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thbar/rust-playground" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/thbar/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/thbar/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thbar/rust-playground" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/thbar/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/thbar/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d43660e5c89705273ed0cf0ddb43c431f6dfbb6
[INFO] sha for GitHub repo thbar/rust-playground: 6d43660e5c89705273ed0cf0ddb43c431f6dfbb6
[INFO] validating manifest of thbar/rust-playground on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thbar/rust-playground on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thbar/rust-playground
[INFO] finished frobbing thbar/rust-playground
[INFO] frobbed toml for thbar/rust-playground written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/thbar/rust-playground/Cargo.toml
[INFO] started frobbing thbar/rust-playground
[INFO] finished frobbing thbar/rust-playground
[INFO] frobbed toml for thbar/rust-playground written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/thbar/rust-playground/Cargo.toml
[INFO] crate thbar/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking thbar/rust-playground against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/thbar/rust-playground:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a70fc1b546e6c39c87664b46e041abbab4ec30c57b2a28ef2b59994d2fd9d5fc
[INFO] running `"docker" "start" "-a" "a70fc1b546e6c39c87664b46e041abbab4ec30c57b2a28ef2b59994d2fd9d5fc"`
[INFO] [stderr]     Checking rust-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]    --> src/lib.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |         struct Point { x: f32, y: f32 };
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]    --> src/lib.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         struct Rectangle { a: Point, b: Point };
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square`
[INFO] [stderr]    --> src/lib.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         fn square(point: Point, size: f32) -> Rectangle {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "a70fc1b546e6c39c87664b46e041abbab4ec30c57b2a28ef2b59994d2fd9d5fc"`
[INFO] running `"docker" "rm" "-f" "a70fc1b546e6c39c87664b46e041abbab4ec30c57b2a28ef2b59994d2fd9d5fc"`
[INFO] [stdout] a70fc1b546e6c39c87664b46e041abbab4ec30c57b2a28ef2b59994d2fd9d5fc