[INFO] updating cached repository BMeu/Mief
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BMeu/Mief
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BMeu/Mief" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/BMeu/Mief"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/BMeu/Mief'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BMeu/Mief" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/BMeu/Mief"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/BMeu/Mief'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7bf5ea369d1f3aa6d68a6a295c4adce6bb0f43ed
[INFO] sha for GitHub repo BMeu/Mief: 7bf5ea369d1f3aa6d68a6a295c4adce6bb0f43ed
[INFO] validating manifest of BMeu/Mief on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BMeu/Mief on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BMeu/Mief
[INFO] finished frobbing BMeu/Mief
[INFO] frobbed toml for BMeu/Mief written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/BMeu/Mief/Cargo.toml
[INFO] started frobbing BMeu/Mief
[INFO] finished frobbing BMeu/Mief
[INFO] frobbed toml for BMeu/Mief written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/BMeu/Mief/Cargo.toml
[INFO] crate BMeu/Mief already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BMeu/Mief against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/BMeu/Mief:/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7326ef23dfebe6dd2ae6edd36e30dbea3a58aebad8743480c57cd8d62c7f86d3
[INFO] running `"docker" "start" "-a" "7326ef23dfebe6dd2ae6edd36e30dbea3a58aebad8743480c57cd8d62c7f86d3"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking gfx_device_gl v0.15.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.48.0
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-client v0.9.10
[INFO] [stderr]     Checking wayland-protocols v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.8.0
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking glutin v0.10.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.43.0
[INFO] [stderr]     Checking piston_window v0.75.0
[INFO] [stderr]     Checking mief v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/execution_flow/error.rs:72:23
[INFO] [stderr]    |
[INFO] [stderr] 72 |         assert!(error.cause().is_some(), "Piston errors do not have a cause.");
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/execution_flow/error.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 |         assert!(error.cause().is_none(), "Piston errors do not have a cause.");
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.53s
[INFO] running `"docker" "inspect" "7326ef23dfebe6dd2ae6edd36e30dbea3a58aebad8743480c57cd8d62c7f86d3"`
[INFO] running `"docker" "rm" "-f" "7326ef23dfebe6dd2ae6edd36e30dbea3a58aebad8743480c57cd8d62c7f86d3"`
[INFO] [stdout] 7326ef23dfebe6dd2ae6edd36e30dbea3a58aebad8743480c57cd8d62c7f86d3