[INFO] updating cached repository stmtk1/chase_and_runaway
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stmtk1/chase_and_runaway
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stmtk1/chase_and_runaway" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/stmtk1/chase_and_runaway"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/stmtk1/chase_and_runaway'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stmtk1/chase_and_runaway" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/stmtk1/chase_and_runaway"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/stmtk1/chase_and_runaway'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a94cc6a970aa757d256c979bf32c4fb6e05b7c68
[INFO] sha for GitHub repo stmtk1/chase_and_runaway: a94cc6a970aa757d256c979bf32c4fb6e05b7c68
[INFO] validating manifest of stmtk1/chase_and_runaway 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 stmtk1/chase_and_runaway 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 stmtk1/chase_and_runaway
[INFO] finished frobbing stmtk1/chase_and_runaway
[INFO] frobbed toml for stmtk1/chase_and_runaway written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/stmtk1/chase_and_runaway/Cargo.toml
[INFO] started frobbing stmtk1/chase_and_runaway
[INFO] finished frobbing stmtk1/chase_and_runaway
[INFO] frobbed toml for stmtk1/chase_and_runaway written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/stmtk1/chase_and_runaway/Cargo.toml
[INFO] crate stmtk1/chase_and_runaway 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 stmtk1/chase_and_runaway against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/stmtk1/chase_and_runaway:/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] 6c2f92323c6b67c04620364a69825589d304d06a71fcbf35a4c5d60a72be60ca
[INFO] running `"docker" "start" "-a" "6c2f92323c6b67c04620364a69825589d304d06a71fcbf35a4c5d60a72be60ca"`
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.2
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.54.0
[INFO] [stderr]     Checking piston_window v0.85.0
[INFO] [stderr]     Checking life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `comp_by_x`
[INFO] [stderr]    --> src/animal/cat/mod.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     fn comp_by_x(a1: &Cat, a2: &Cat) -> std::cmp::Ordering {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `comp_by_y`
[INFO] [stderr]    --> src/animal/cat/mod.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn comp_by_y(a1: &Cat, a2: &Cat) -> std::cmp::Ordering {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]    --> src/app.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn max(a: f64, b: f64) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `comp_by_x`
[INFO] [stderr]    --> src/animal/cat/mod.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     fn comp_by_x(a1: &Cat, a2: &Cat) -> std::cmp::Ordering {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `comp_by_y`
[INFO] [stderr]    --> src/animal/cat/mod.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn comp_by_y(a1: &Cat, a2: &Cat) -> std::cmp::Ordering {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]    --> src/app.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn max(a: f64, b: f64) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "6c2f92323c6b67c04620364a69825589d304d06a71fcbf35a4c5d60a72be60ca"`
[INFO] running `"docker" "rm" "-f" "6c2f92323c6b67c04620364a69825589d304d06a71fcbf35a4c5d60a72be60ca"`
[INFO] [stdout] 6c2f92323c6b67c04620364a69825589d304d06a71fcbf35a4c5d60a72be60ca