[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/BMeu/Mief"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/BMeu/Mief'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BMeu/Mief" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/BMeu/Mief"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BMeu/Mief on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/BMeu/Mief/Cargo.toml
[INFO] crate BMeu/Mief already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BMeu/Mief against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/BMeu/Mief:/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=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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 52be0f6cd69fb8e8730be51da3b363d0cd52ed74878367414feef4e090a635e6
[INFO] running `"docker" "start" "-a" "52be0f6cd69fb8e8730be51da3b363d0cd52ed74878367414feef4e090a635e6"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking x11-dl v2.17.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[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]     Checking env_logger v0.5.6
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking pistoncore-window v0.30.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking pistoncore-event_loop v0.35.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking piston v0.35.0
[INFO] [stderr]    Compiling libloading v0.3.4
[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 gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.0
[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-gfx_texture v0.31.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.48.0
[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 1m 20s
[INFO] running `"docker" "inspect" "52be0f6cd69fb8e8730be51da3b363d0cd52ed74878367414feef4e090a635e6"`
[INFO] running `"docker" "rm" "-f" "52be0f6cd69fb8e8730be51da3b363d0cd52ed74878367414feef4e090a635e6"`
[INFO] [stdout] 52be0f6cd69fb8e8730be51da3b363d0cd52ed74878367414feef4e090a635e6