[INFO] updating cached repository mattperkins/ekans-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattperkins/ekans-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattperkins/ekans-rust" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mattperkins/ekans-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mattperkins/ekans-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattperkins/ekans-rust" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mattperkins/ekans-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mattperkins/ekans-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 326ae768cf8810fd5afcb66871ec87fbf56e09a5
[INFO] sha for GitHub repo mattperkins/ekans-rust: 326ae768cf8810fd5afcb66871ec87fbf56e09a5
[INFO] validating manifest of mattperkins/ekans-rust on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mattperkins/ekans-rust on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mattperkins/ekans-rust
[INFO] finished frobbing mattperkins/ekans-rust
[INFO] frobbed toml for mattperkins/ekans-rust written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mattperkins/ekans-rust/Cargo.toml
[INFO] started frobbing mattperkins/ekans-rust
[INFO] finished frobbing mattperkins/ekans-rust
[INFO] frobbed toml for mattperkins/ekans-rust written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/mattperkins/ekans-rust/Cargo.toml
[INFO] crate mattperkins/ekans-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mattperkins/ekans-rust against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/mattperkins/ekans-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4fbb22c77091455a4f88b36eaf58a3947be75466f3b3c0e70cddc821e2be5aa2
[INFO] running `"docker" "start" "-a" "4fbb22c77091455a4f88b36eaf58a3947be75466f3b3c0e70cddc821e2be5aa2"`
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking piston2d-graphics v0.30.0
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking pistoncore-window v0.37.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.42.0
[INFO] [stderr]     Checking piston v0.42.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.54.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.59.0
[INFO] [stderr]     Checking ekans_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 17 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 17 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.86s
[INFO] running `"docker" "inspect" "4fbb22c77091455a4f88b36eaf58a3947be75466f3b3c0e70cddc821e2be5aa2"`
[INFO] running `"docker" "rm" "-f" "4fbb22c77091455a4f88b36eaf58a3947be75466f3b3c0e70cddc821e2be5aa2"`
[INFO] [stdout] 4fbb22c77091455a4f88b36eaf58a3947be75466f3b3c0e70cddc821e2be5aa2