[INFO] updating cached repository stisol/rustsweeper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stisol/rustsweeper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stisol/rustsweeper" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/stisol/rustsweeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/stisol/rustsweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stisol/rustsweeper" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/stisol/rustsweeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/stisol/rustsweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2d65d16ff094b636ccd815dd6448a5438f00057
[INFO] sha for GitHub repo stisol/rustsweeper: f2d65d16ff094b636ccd815dd6448a5438f00057
[INFO] validating manifest of stisol/rustsweeper on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stisol/rustsweeper on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stisol/rustsweeper
[INFO] finished frobbing stisol/rustsweeper
[INFO] frobbed toml for stisol/rustsweeper written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/stisol/rustsweeper/Cargo.toml
[INFO] started frobbing stisol/rustsweeper
[INFO] finished frobbing stisol/rustsweeper
[INFO] frobbed toml for stisol/rustsweeper written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/stisol/rustsweeper/Cargo.toml
[INFO] crate stisol/rustsweeper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stisol/rustsweeper against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/stisol/rustsweeper:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] db9214f19f6d3552a6de61d396dfbc0eced292f6e89f78b997c047b6e9e4e163
[INFO] running `"docker" "start" "-a" "db9214f19f6d3552a6de61d396dfbc0eced292f6e89f78b997c047b6e9e4e163"`
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking deflate v0.7.14
[INFO] [stderr]    Compiling wayland-scanner v0.9.9
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]    Compiling wayland-client v0.9.9
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking tempfile v2.1.6
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.45.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.9
[INFO] [stderr]     Checking wayland-window v0.6.1
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking winit v0.7.5
[INFO] [stderr]     Checking pistoncore-glutin_window v0.38.0
[INFO] [stderr]     Checking rustsweeper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `rand` is imported redundantly
[INFO] [stderr]   --> src/gameboard.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | 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/gameboard.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         use rand;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | 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]     Finished dev [unoptimized + debuginfo] target(s) in 36.69s
[INFO] running `"docker" "inspect" "db9214f19f6d3552a6de61d396dfbc0eced292f6e89f78b997c047b6e9e4e163"`
[INFO] running `"docker" "rm" "-f" "db9214f19f6d3552a6de61d396dfbc0eced292f6e89f78b997c047b6e9e4e163"`
[INFO] [stdout] db9214f19f6d3552a6de61d396dfbc0eced292f6e89f78b997c047b6e9e4e163