[INFO] cloning repository kevinmehall/panobubble
[INFO] running `"git" "clone" "--bare" "git://github.com/kevinmehall/panobubble.git" "work/cache/sources/gh/kevinmehall/panobubble"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kevinmehall/panobubble'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kevinmehall/panobubble" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/kevinmehall/panobubble"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/kevinmehall/panobubble'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kevinmehall/panobubble" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/kevinmehall/panobubble"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/kevinmehall/panobubble'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 475c0285db8cabf9a704913e4c60a053a25ff21f
[INFO] sha for GitHub repo kevinmehall/panobubble: 475c0285db8cabf9a704913e4c60a053a25ff21f
[INFO] validating manifest of kevinmehall/panobubble on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kevinmehall/panobubble on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kevinmehall/panobubble
[INFO] finished frobbing kevinmehall/panobubble
[INFO] frobbed toml for kevinmehall/panobubble written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/kevinmehall/panobubble/Cargo.toml
[INFO] started frobbing kevinmehall/panobubble
[INFO] finished frobbing kevinmehall/panobubble
[INFO] frobbed toml for kevinmehall/panobubble written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/kevinmehall/panobubble/Cargo.toml
[INFO] crate kevinmehall/panobubble has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elementtree v0.5.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kevinmehall/panobubble against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/kevinmehall/panobubble:/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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 67d685f5275981e12ffaa57f3525985309e73777a152b57692d76a4694de552d
[INFO] running `"docker" "start" "-a" "67d685f5275981e12ffaa57f3525985309e73777a152b57692d76a4694de552d"`
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking wayland-sys v0.20.11
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-commons v0.20.11
[INFO] [stderr]     Checking wayland-client v0.20.11
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking wayland-protocols v0.20.11
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking glutin v0.17.0
[INFO] [stderr]     Checking glium v0.22.0
[INFO] [stderr]     Checking panobubble v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     File::open(image_name).unwrap().take(1024*64).read_to_end(&mut buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     File::open(image_name).unwrap().take(1024*64).read_to_end(&mut buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.15s
[INFO] running `"docker" "inspect" "67d685f5275981e12ffaa57f3525985309e73777a152b57692d76a4694de552d"`
[INFO] running `"docker" "rm" "-f" "67d685f5275981e12ffaa57f3525985309e73777a152b57692d76a4694de552d"`
[INFO] [stdout] 67d685f5275981e12ffaa57f3525985309e73777a152b57692d76a4694de552d