[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/beta-1.38-1/sources/1.37.0/gh/stisol/rustsweeper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stisol/rustsweeper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stisol/rustsweeper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stisol/rustsweeper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stisol/rustsweeper on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/stisol/rustsweeper/Cargo.toml
[INFO] crate stisol/rustsweeper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stisol/rustsweeper against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stisol/rustsweeper:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e65f66508a5284cc09d4fb3dcc4cd248c9dc62b5314519c51870b148ffdc20fd
[INFO] running `"docker" "start" "-a" "e65f66508a5284cc09d4fb3dcc4cd248c9dc62b5314519c51870b148ffdc20fd"`
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.1.6
[INFO] [stderr]    Compiling wayland-scanner v0.9.9
[INFO] [stderr]    Compiling png v0.8.0
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.9.9
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.45.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.9
[INFO] [stderr]    Compiling wayland-window v0.6.1
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling winit v0.7.5
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.38.0
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "e65f66508a5284cc09d4fb3dcc4cd248c9dc62b5314519c51870b148ffdc20fd"`
[INFO] running `"docker" "rm" "-f" "e65f66508a5284cc09d4fb3dcc4cd248c9dc62b5314519c51870b148ffdc20fd"`
[INFO] [stdout] e65f66508a5284cc09d4fb3dcc4cd248c9dc62b5314519c51870b148ffdc20fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stisol/rustsweeper:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 14492a574acd04671c965bc8f970628f8fe34d80950d675673b51595b127305b
[INFO] running `"docker" "start" "-a" "14492a574acd04671c965bc8f970628f8fe34d80950d675673b51595b127305b"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "14492a574acd04671c965bc8f970628f8fe34d80950d675673b51595b127305b"`
[INFO] running `"docker" "rm" "-f" "14492a574acd04671c965bc8f970628f8fe34d80950d675673b51595b127305b"`
[INFO] [stdout] 14492a574acd04671c965bc8f970628f8fe34d80950d675673b51595b127305b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stisol/rustsweeper:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0dbd92d34bada33424537e910997dba2147eb1d304ba109dfe49490e7e0043ce
[INFO] running `"docker" "start" "-a" "0dbd92d34bada33424537e910997dba2147eb1d304ba109dfe49490e7e0043ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustsweeper-cd76796055e14de9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0dbd92d34bada33424537e910997dba2147eb1d304ba109dfe49490e7e0043ce"`
[INFO] running `"docker" "rm" "-f" "0dbd92d34bada33424537e910997dba2147eb1d304ba109dfe49490e7e0043ce"`
[INFO] [stdout] 0dbd92d34bada33424537e910997dba2147eb1d304ba109dfe49490e7e0043ce