[INFO] updating cached repository sebui/fractal-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sebui/fractal-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sebui/fractal-tree" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/sebui/fractal-tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/sebui/fractal-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sebui/fractal-tree" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/sebui/fractal-tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/sebui/fractal-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90d9e63d6e7829321805cbdd6c7aa9b58ce021ca
[INFO] sha for GitHub repo sebui/fractal-tree: 90d9e63d6e7829321805cbdd6c7aa9b58ce021ca
[INFO] validating manifest of sebui/fractal-tree on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sebui/fractal-tree on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sebui/fractal-tree
[INFO] finished frobbing sebui/fractal-tree
[INFO] frobbed toml for sebui/fractal-tree written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/sebui/fractal-tree/Cargo.toml
[INFO] started frobbing sebui/fractal-tree
[INFO] finished frobbing sebui/fractal-tree
[INFO] frobbed toml for sebui/fractal-tree written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/sebui/fractal-tree/Cargo.toml
[INFO] crate sebui/fractal-tree has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sebui/fractal-tree against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-3/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/sebui/fractal-tree:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 07a7a4845d277610b74185ac547a75ea831c686abd69de71e41fa81e7955adfe
[INFO] running `"docker" "start" "-a" "07a7a4845d277610b74185ac547a75ea831c686abd69de71e41fa81e7955adfe"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]     Checking deflate v0.7.5
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking pistoncore-input v0.17.1
[INFO] [stderr]     Checking gfx_core v0.6.0
[INFO] [stderr]     Checking arrayvec v0.3.20
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking rusttype v0.2.1
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking tempfile v2.1.5
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking pistoncore-window v0.26.2
[INFO] [stderr]     Checking image v0.12.3
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking pistoncore-event_loop v0.31.4
[INFO] [stderr]     Checking piston v0.31.4
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling libloading v0.3.2
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking gfx_device_gl v0.13.0
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking pistoncore-glutin_window v0.35.1
[INFO] [stderr]     Checking piston-gfx_texture v0.22.1
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.38.0
[INFO] [stderr]     Checking piston_window v0.64.0
[INFO] [stderr]     Checking piston-fractal-tree v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "07a7a4845d277610b74185ac547a75ea831c686abd69de71e41fa81e7955adfe"`
[INFO] running `"docker" "rm" "-f" "07a7a4845d277610b74185ac547a75ea831c686abd69de71e41fa81e7955adfe"`
[INFO] [stdout] 07a7a4845d277610b74185ac547a75ea831c686abd69de71e41fa81e7955adfe