[INFO] fetching crate file_tree 0.1.1...
[INFO] extracting crate file_tree 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/file_tree/0.1.1
[INFO] extracting crate file_tree 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_tree/0.1.1
[INFO] validating manifest of file_tree-0.1.1 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 file_tree-0.1.1 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 file_tree-0.1.1
[INFO] finished frobbing file_tree-0.1.1
[INFO] frobbed toml for file_tree-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/file_tree/0.1.1/Cargo.toml
[INFO] started frobbing file_tree-0.1.1
[INFO] finished frobbing file_tree-0.1.1
[INFO] frobbed toml for file_tree-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_tree/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 file_tree-0.1.1 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-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_tree/0.1.1:/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] edf6e9dbe846b2feb7f4a880e77b71d36cf97e6ebf9800e28b1f3b84730b8681
[INFO] running `"docker" "start" "-a" "edf6e9dbe846b2feb7f4a880e77b71d36cf97e6ebf9800e28b1f3b84730b8681"`
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "edf6e9dbe846b2feb7f4a880e77b71d36cf97e6ebf9800e28b1f3b84730b8681"`
[INFO] running `"docker" "rm" "-f" "edf6e9dbe846b2feb7f4a880e77b71d36cf97e6ebf9800e28b1f3b84730b8681"`
[INFO] [stdout] edf6e9dbe846b2feb7f4a880e77b71d36cf97e6ebf9800e28b1f3b84730b8681
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_tree/0.1.1:/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] f7008a7a833a07f4932bedcd03ae15aea2f2582bffb8523855d197f3277845ef
[INFO] running `"docker" "start" "-a" "f7008a7a833a07f4932bedcd03ae15aea2f2582bffb8523855d197f3277845ef"`
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `"docker" "inspect" "f7008a7a833a07f4932bedcd03ae15aea2f2582bffb8523855d197f3277845ef"`
[INFO] running `"docker" "rm" "-f" "f7008a7a833a07f4932bedcd03ae15aea2f2582bffb8523855d197f3277845ef"`
[INFO] [stdout] f7008a7a833a07f4932bedcd03ae15aea2f2582bffb8523855d197f3277845ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_tree/0.1.1:/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] 5d8239b08260e3bfdd523129972b42625d909ccd2312293feac5c9e87b2f2f64
[INFO] running `"docker" "start" "-a" "5d8239b08260e3bfdd523129972b42625d909ccd2312293feac5c9e87b2f2f64"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_tree-06da0ff793d9243b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_tree-cec09669be7db78e
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stdout] test new_dir ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/keyed_file_tree-7b7fa819472f9949
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dup_key ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] test new_key ... ok
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_tree
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::new_in (line 32) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::from_existing (line 97) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::new (line 64) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::FileTree::get_new_file (line 139) ... ok
[INFO] [stdout] test src/file_tree.rs - file_tree::KeyedFileTree (line 210) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5d8239b08260e3bfdd523129972b42625d909ccd2312293feac5c9e87b2f2f64"`
[INFO] running `"docker" "rm" "-f" "5d8239b08260e3bfdd523129972b42625d909ccd2312293feac5c9e87b2f2f64"`
[INFO] [stdout] 5d8239b08260e3bfdd523129972b42625d909ccd2312293feac5c9e87b2f2f64