[INFO] updating cached repository mikenomitch/tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mikenomitch/tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mikenomitch/tree" "work/ex/beta-1.37-6/sources/1.36.0/gh/mikenomitch/tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mikenomitch/tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mikenomitch/tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikenomitch/tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikenomitch/tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13ac4d4ecc842e36eff91dfe41c2af2dca558416
[INFO] sha for GitHub repo mikenomitch/tree: 13ac4d4ecc842e36eff91dfe41c2af2dca558416
[INFO] validating manifest of mikenomitch/tree on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mikenomitch/tree on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mikenomitch/tree
[INFO] finished frobbing mikenomitch/tree
[INFO] frobbed toml for mikenomitch/tree written to work/ex/beta-1.37-6/sources/1.36.0/gh/mikenomitch/tree/Cargo.toml
[INFO] started frobbing mikenomitch/tree
[INFO] finished frobbing mikenomitch/tree
[INFO] frobbed toml for mikenomitch/tree written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikenomitch/tree/Cargo.toml
[INFO] crate mikenomitch/tree already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mikenomitch/tree against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikenomitch/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 956bd93756a2eeae1f1a85776e36168e7f0d73eee380c2d7b52d7aa1f2d0deb6
[INFO] running `"docker" "start" "-a" "956bd93756a2eeae1f1a85776e36168e7f0d73eee380c2d7b52d7aa1f2d0deb6"`
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "956bd93756a2eeae1f1a85776e36168e7f0d73eee380c2d7b52d7aa1f2d0deb6"`
[INFO] running `"docker" "rm" "-f" "956bd93756a2eeae1f1a85776e36168e7f0d73eee380c2d7b52d7aa1f2d0deb6"`
[INFO] [stdout] 956bd93756a2eeae1f1a85776e36168e7f0d73eee380c2d7b52d7aa1f2d0deb6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikenomitch/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54d9bdbad9df91f6ffcbdd7800ee2e30ad5ab2569b2fdee91963b4972e990503
[INFO] running `"docker" "start" "-a" "54d9bdbad9df91f6ffcbdd7800ee2e30ad5ab2569b2fdee91963b4972e990503"`
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "54d9bdbad9df91f6ffcbdd7800ee2e30ad5ab2569b2fdee91963b4972e990503"`
[INFO] running `"docker" "rm" "-f" "54d9bdbad9df91f6ffcbdd7800ee2e30ad5ab2569b2fdee91963b4972e990503"`
[INFO] [stdout] 54d9bdbad9df91f6ffcbdd7800ee2e30ad5ab2569b2fdee91963b4972e990503
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikenomitch/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f2771af32db4d721f1219eacfe47c778000e1ee3200bbfea218b43f1a3564eb7
[INFO] running `"docker" "start" "-a" "f2771af32db4d721f1219eacfe47c778000e1ee3200bbfea218b43f1a3564eb7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tree-f497e93ef299068d
[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" "f2771af32db4d721f1219eacfe47c778000e1ee3200bbfea218b43f1a3564eb7"`
[INFO] running `"docker" "rm" "-f" "f2771af32db4d721f1219eacfe47c778000e1ee3200bbfea218b43f1a3564eb7"`
[INFO] [stdout] f2771af32db4d721f1219eacfe47c778000e1ee3200bbfea218b43f1a3564eb7