[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] af5903ce6427b2aeec182044081b4405db9cdbebd55d2ca64af5127ac94bb957
[INFO] running `"docker" "start" "-a" "af5903ce6427b2aeec182044081b4405db9cdbebd55d2ca64af5127ac94bb957"`
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "af5903ce6427b2aeec182044081b4405db9cdbebd55d2ca64af5127ac94bb957"`
[INFO] running `"docker" "rm" "-f" "af5903ce6427b2aeec182044081b4405db9cdbebd55d2ca64af5127ac94bb957"`
[INFO] [stdout] af5903ce6427b2aeec182044081b4405db9cdbebd55d2ca64af5127ac94bb957
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1b499887f4cc4f5e2b5707b5721b664bff54366ad8c21e28cf6cdac8b5e929df
[INFO] running `"docker" "start" "-a" "1b499887f4cc4f5e2b5707b5721b664bff54366ad8c21e28cf6cdac8b5e929df"`
[INFO] [stderr]    Compiling file_tree v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `"docker" "inspect" "1b499887f4cc4f5e2b5707b5721b664bff54366ad8c21e28cf6cdac8b5e929df"`
[INFO] running `"docker" "rm" "-f" "1b499887f4cc4f5e2b5707b5721b664bff54366ad8c21e28cf6cdac8b5e929df"`
[INFO] [stdout] 1b499887f4cc4f5e2b5707b5721b664bff54366ad8c21e28cf6cdac8b5e929df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 901c31374dc7a062dbdd07eac8495ef87181217f40bcb8053ee38519ae8df827
[INFO] running `"docker" "start" "-a" "901c31374dc7a062dbdd07eac8495ef87181217f40bcb8053ee38519ae8df827"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_tree-0ccf054e23398c28
[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] [stderr]      Running /opt/crater/target/debug/deps/file_tree-df062f173b2e9ee0
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test keep_persistent ... ok
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stdout] test new_dir ... ok
[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] [stderr]      Running /opt/crater/target/debug/deps/keyed_file_tree-9c969ca98e04b8f5
[INFO] [stdout] test new_key ... ok
[INFO] [stdout] test delete_nonpersistent ... ok
[INFO] [stderr]    Doc-tests file_tree
[INFO] [stdout] test from_existing ... ok
[INFO] [stdout] test dup_key ... 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] [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::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::FileTree::from_existing (line 97) ... 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" "901c31374dc7a062dbdd07eac8495ef87181217f40bcb8053ee38519ae8df827"`
[INFO] running `"docker" "rm" "-f" "901c31374dc7a062dbdd07eac8495ef87181217f40bcb8053ee38519ae8df827"`
[INFO] [stdout] 901c31374dc7a062dbdd07eac8495ef87181217f40bcb8053ee38519ae8df827