[INFO] updating cached repository sumproxy/tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sumproxy/tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sumproxy/tetris" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sumproxy/tetris"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sumproxy/tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sumproxy/tetris" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sumproxy/tetris"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sumproxy/tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1e578547747ad811d70df1a2d4332a3bfc127e2
[INFO] sha for GitHub repo sumproxy/tetris: e1e578547747ad811d70df1a2d4332a3bfc127e2
[INFO] validating manifest of sumproxy/tetris on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sumproxy/tetris on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sumproxy/tetris
[INFO] finished frobbing sumproxy/tetris
[INFO] frobbed toml for sumproxy/tetris written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sumproxy/tetris/Cargo.toml
[INFO] started frobbing sumproxy/tetris
[INFO] finished frobbing sumproxy/tetris
[INFO] frobbed toml for sumproxy/tetris written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sumproxy/tetris/Cargo.toml
[INFO] crate sumproxy/tetris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sumproxy/tetris against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-7/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sumproxy/tetris:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8214e14113a7e4886dce21dacd64cd0738928a498f9a7695835ce390c80aa75e
[INFO] running `"docker" "start" "-a" "8214e14113a7e4886dce21dacd64cd0738928a498f9a7695835ce390c80aa75e"`
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]    Compiling glfw-sys v3.2.1
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking glfw v0.12.0
[INFO] [stderr]     Checking gfx_window_glfw v0.13.0
[INFO] [stderr]     Checking gfx_app v0.4.0
[INFO] [stderr]     Checking tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/state/color.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/state/template.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/state/color.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/state/template.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | extern crate rand;
[INFO] [stderr]    | ------------------ the item `rand` is already imported here
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.89s
[INFO] running `"docker" "inspect" "8214e14113a7e4886dce21dacd64cd0738928a498f9a7695835ce390c80aa75e"`
[INFO] running `"docker" "rm" "-f" "8214e14113a7e4886dce21dacd64cd0738928a498f9a7695835ce390c80aa75e"`
[INFO] [stdout] 8214e14113a7e4886dce21dacd64cd0738928a498f9a7695835ce390c80aa75e