[INFO] updating cached repository kunihiko-t/rust-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kunihiko-t/rust-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kunihiko-t/rust-tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/kunihiko-t/rust-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kunihiko-t/rust-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kunihiko-t/rust-tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kunihiko-t/rust-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kunihiko-t/rust-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 872a396fdda6f24956f41dcb6eeec2b77d92e578
[INFO] sha for GitHub repo kunihiko-t/rust-tree: 872a396fdda6f24956f41dcb6eeec2b77d92e578
[INFO] validating manifest of kunihiko-t/rust-tree 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 kunihiko-t/rust-tree 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 kunihiko-t/rust-tree
[INFO] finished frobbing kunihiko-t/rust-tree
[INFO] frobbed toml for kunihiko-t/rust-tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/kunihiko-t/rust-tree/Cargo.toml
[INFO] started frobbing kunihiko-t/rust-tree
[INFO] finished frobbing kunihiko-t/rust-tree
[INFO] frobbed toml for kunihiko-t/rust-tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kunihiko-t/rust-tree/Cargo.toml
[INFO] crate kunihiko-t/rust-tree 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 kunihiko-t/rust-tree 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kunihiko-t/rust-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=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] b00fec7223c16071a6a3d37991400298e9ef0821108c0291563f8d0efcad47f7
[INFO] running `"docker" "start" "-a" "b00fec7223c16071a6a3d37991400298e9ef0821108c0291563f8d0efcad47f7"`
[INFO] [stderr]    Compiling rust-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "b00fec7223c16071a6a3d37991400298e9ef0821108c0291563f8d0efcad47f7"`
[INFO] running `"docker" "rm" "-f" "b00fec7223c16071a6a3d37991400298e9ef0821108c0291563f8d0efcad47f7"`
[INFO] [stdout] b00fec7223c16071a6a3d37991400298e9ef0821108c0291563f8d0efcad47f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kunihiko-t/rust-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=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] 8e1ccb0d598c7ab5ad2b2a2f10f4963bfca49f2b24963ce1d0366e4f4aac8840
[INFO] running `"docker" "start" "-a" "8e1ccb0d598c7ab5ad2b2a2f10f4963bfca49f2b24963ce1d0366e4f4aac8840"`
[INFO] [stderr]    Compiling rust-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "8e1ccb0d598c7ab5ad2b2a2f10f4963bfca49f2b24963ce1d0366e4f4aac8840"`
[INFO] running `"docker" "rm" "-f" "8e1ccb0d598c7ab5ad2b2a2f10f4963bfca49f2b24963ce1d0366e4f4aac8840"`
[INFO] [stdout] 8e1ccb0d598c7ab5ad2b2a2f10f4963bfca49f2b24963ce1d0366e4f4aac8840
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kunihiko-t/rust-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=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] 9563ef7d3273c9caae67e4eeaecd8a7be19876e85f111d4c432c0e30fb3b75fb
[INFO] running `"docker" "start" "-a" "9563ef7d3273c9caae67e4eeaecd8a7be19876e85f111d4c432c0e30fb3b75fb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tree-3aa550816cc3d180
[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" "9563ef7d3273c9caae67e4eeaecd8a7be19876e85f111d4c432c0e30fb3b75fb"`
[INFO] running `"docker" "rm" "-f" "9563ef7d3273c9caae67e4eeaecd8a7be19876e85f111d4c432c0e30fb3b75fb"`
[INFO] [stdout] 9563ef7d3273c9caae67e4eeaecd8a7be19876e85f111d4c432c0e30fb3b75fb