[INFO] updating cached repository VoxWave/Mato
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VoxWave/Mato
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Mato" "work/ex/beta-1.38-1/sources/1.37.0/gh/VoxWave/Mato"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VoxWave/Mato'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Mato" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Mato"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Mato'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9535e811ecbe3c0c5a7d1ea3648bfaa3627385e5
[INFO] sha for GitHub repo VoxWave/Mato: 9535e811ecbe3c0c5a7d1ea3648bfaa3627385e5
[INFO] validating manifest of VoxWave/Mato 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 VoxWave/Mato 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 VoxWave/Mato
[INFO] finished frobbing VoxWave/Mato
[INFO] frobbed toml for VoxWave/Mato written to work/ex/beta-1.38-1/sources/1.37.0/gh/VoxWave/Mato/Cargo.toml
[INFO] started frobbing VoxWave/Mato
[INFO] finished frobbing VoxWave/Mato
[INFO] frobbed toml for VoxWave/Mato written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Mato/Cargo.toml
[INFO] crate VoxWave/Mato 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 VoxWave/Mato 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/VoxWave/Mato:/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] 37683c88833f5d6dd9ccf147b54293f3c95249d79541520eb61e8449182ec8d2
[INFO] running `"docker" "start" "-a" "37683c88833f5d6dd9ccf147b54293f3c95249d79541520eb61e8449182ec8d2"`
[INFO] [stderr]    Compiling bitflags v1.0.0
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling x11-dl v2.16.0
[INFO] [stderr]    Compiling inflate v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling gl v0.6.3
[INFO] [stderr]    Compiling glutin v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rusttype v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]    Compiling gfx v0.16.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[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 memmap v0.4.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling piston2d-graphics v0.23.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling pistoncore-input v0.20.0
[INFO] [stderr]    Compiling pistoncore-window v0.30.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling pistoncore-event_loop v0.35.0
[INFO] [stderr]    Compiling piston v0.35.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling piston-gfx_texture v0.29.0
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.46.0
[INFO] [stderr]    Compiling wayland-window v0.8.0
[INFO] [stderr]    Compiling winit v0.8.3
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.42.0
[INFO] [stderr]    Compiling piston_window v0.73.0
[INFO] [stderr]    Compiling mato v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `"docker" "inspect" "37683c88833f5d6dd9ccf147b54293f3c95249d79541520eb61e8449182ec8d2"`
[INFO] running `"docker" "rm" "-f" "37683c88833f5d6dd9ccf147b54293f3c95249d79541520eb61e8449182ec8d2"`
[INFO] [stdout] 37683c88833f5d6dd9ccf147b54293f3c95249d79541520eb61e8449182ec8d2
[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/VoxWave/Mato:/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] 631cbb7b7133189549b235ce5e70736e7161894b0275dbdcca981ee5f112acf4
[INFO] running `"docker" "start" "-a" "631cbb7b7133189549b235ce5e70736e7161894b0275dbdcca981ee5f112acf4"`
[INFO] [stderr]    Compiling mato v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "631cbb7b7133189549b235ce5e70736e7161894b0275dbdcca981ee5f112acf4"`
[INFO] running `"docker" "rm" "-f" "631cbb7b7133189549b235ce5e70736e7161894b0275dbdcca981ee5f112acf4"`
[INFO] [stdout] 631cbb7b7133189549b235ce5e70736e7161894b0275dbdcca981ee5f112acf4
[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/VoxWave/Mato:/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] ce26427d975761eb927efed98b9aef503d843897f4cd5989c56e5366fbcf0bca
[INFO] running `"docker" "start" "-a" "ce26427d975761eb927efed98b9aef503d843897f4cd5989c56e5366fbcf0bca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mato-0cac83349056c7a4
[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" "ce26427d975761eb927efed98b9aef503d843897f4cd5989c56e5366fbcf0bca"`
[INFO] running `"docker" "rm" "-f" "ce26427d975761eb927efed98b9aef503d843897f4cd5989c56e5366fbcf0bca"`
[INFO] [stdout] ce26427d975761eb927efed98b9aef503d843897f4cd5989c56e5366fbcf0bca