[INFO] updating cached repository merrickluo/learning-rust-tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/merrickluo/learning-rust-tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/merrickluo/learning-rust-tetris" "work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/merrickluo/learning-rust-tetris" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffc7d01c097562db0be59009ac8f2ab7fa30810f
[INFO] sha for GitHub repo merrickluo/learning-rust-tetris: ffc7d01c097562db0be59009ac8f2ab7fa30810f
[INFO] validating manifest of merrickluo/learning-rust-tetris on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of merrickluo/learning-rust-tetris on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing merrickluo/learning-rust-tetris
[INFO] finished frobbing merrickluo/learning-rust-tetris
[INFO] frobbed toml for merrickluo/learning-rust-tetris written to work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris/Cargo.toml
[INFO] started frobbing merrickluo/learning-rust-tetris
[INFO] finished frobbing merrickluo/learning-rust-tetris
[INFO] frobbed toml for merrickluo/learning-rust-tetris written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-tetris/Cargo.toml
[INFO] crate merrickluo/learning-rust-tetris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing merrickluo/learning-rust-tetris against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-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=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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 64c2731fc369c19b2938c6dd4dac9aa2af49a95f2bb04d92689a74cc5f6e190e
[INFO] running `"docker" "start" "-a" "64c2731fc369c19b2938c6dd4dac9aa2af49a95f2bb04d92689a74cc5f6e190e"`
[INFO] [stderr]    Compiling piston-viewport v0.2.0
[INFO] [stderr]    Compiling vecmath v0.2.0
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling rusttype v0.2.3
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling pistoncore-input v0.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `K`
[INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `V`
[INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling piston2d-graphics v0.17.3
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling timer v0.1.6
[INFO] [stderr]    Compiling pistoncore-window v0.22.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.25.1
[INFO] [stderr]    Compiling piston v0.25.1
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.33.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.30.0
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.57s
[INFO] running `"docker" "inspect" "64c2731fc369c19b2938c6dd4dac9aa2af49a95f2bb04d92689a74cc5f6e190e"`
[INFO] running `"docker" "rm" "-f" "64c2731fc369c19b2938c6dd4dac9aa2af49a95f2bb04d92689a74cc5f6e190e"`
[INFO] [stdout] 64c2731fc369c19b2938c6dd4dac9aa2af49a95f2bb04d92689a74cc5f6e190e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-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=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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d7013b6f46388e5a8935af6898781a2bdb1d679ac4b7b1737f466c8f7a968580
[INFO] running `"docker" "start" "-a" "d7013b6f46388e5a8935af6898781a2bdb1d679ac4b7b1737f466c8f7a968580"`
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "d7013b6f46388e5a8935af6898781a2bdb1d679ac4b7b1737f466c8f7a968580"`
[INFO] running `"docker" "rm" "-f" "d7013b6f46388e5a8935af6898781a2bdb1d679ac4b7b1737f466c8f7a968580"`
[INFO] [stdout] d7013b6f46388e5a8935af6898781a2bdb1d679ac4b7b1737f466c8f7a968580
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-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=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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1eafee8aeeb124b60a9ed2b66e4fd765f0b29c95b6cb90a18aaabb0431c59526
[INFO] running `"docker" "start" "-a" "1eafee8aeeb124b60a9ed2b66e4fd765f0b29c95b6cb90a18aaabb0431c59526"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris-6f53a714bccb5258
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris-fb9c51a11dc3cf50
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tetris
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "1eafee8aeeb124b60a9ed2b66e4fd765f0b29c95b6cb90a18aaabb0431c59526"`
[INFO] running `"docker" "rm" "-f" "1eafee8aeeb124b60a9ed2b66e4fd765f0b29c95b6cb90a18aaabb0431c59526"`
[INFO] [stdout] 1eafee8aeeb124b60a9ed2b66e4fd765f0b29c95b6cb90a18aaabb0431c59526