[INFO] updating cached repository EngelEatos/rust_duplicatefinder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EngelEatos/rust_duplicatefinder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EngelEatos/rust_duplicatefinder" "work/ex/beta-1.38-1/sources/1.37.0/gh/EngelEatos/rust_duplicatefinder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/EngelEatos/rust_duplicatefinder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EngelEatos/rust_duplicatefinder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EngelEatos/rust_duplicatefinder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EngelEatos/rust_duplicatefinder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0276fa02e469bb080d1fc1e86795911c269e133
[INFO] sha for GitHub repo EngelEatos/rust_duplicatefinder: d0276fa02e469bb080d1fc1e86795911c269e133
[INFO] validating manifest of EngelEatos/rust_duplicatefinder 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 EngelEatos/rust_duplicatefinder 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 EngelEatos/rust_duplicatefinder
[INFO] finished frobbing EngelEatos/rust_duplicatefinder
[INFO] frobbed toml for EngelEatos/rust_duplicatefinder written to work/ex/beta-1.38-1/sources/1.37.0/gh/EngelEatos/rust_duplicatefinder/Cargo.toml
[INFO] started frobbing EngelEatos/rust_duplicatefinder
[INFO] finished frobbing EngelEatos/rust_duplicatefinder
[INFO] frobbed toml for EngelEatos/rust_duplicatefinder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EngelEatos/rust_duplicatefinder/Cargo.toml
[INFO] crate EngelEatos/rust_duplicatefinder 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 EngelEatos/rust_duplicatefinder 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EngelEatos/rust_duplicatefinder:/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] 11a9e83019b14c1554b2da5f10e55e4f8f4ab3e880fe0deb5ebf3f7d0390fdcd
[INFO] running `"docker" "start" "-a" "11a9e83019b14c1554b2da5f10e55e4f8f4ab3e880fe0deb5ebf3f7d0390fdcd"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling digest v0.7.1
[INFO] [stderr]    Compiling crypto-mac v0.5.1
[INFO] [stderr]    Compiling blake2 v0.7.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling filebuffer v0.2.0
[INFO] [stderr]    Compiling duplicatefinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn visit_dirs(dir: &Path, cb: &Fn(&mut HashMap<u64, Vec<PathBuf>>, &DirEntry), dict: &mut HashMap<u64, Vec<PathBuf>>) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut HashMap<u64, Vec<PathBuf>>, &DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `"docker" "inspect" "11a9e83019b14c1554b2da5f10e55e4f8f4ab3e880fe0deb5ebf3f7d0390fdcd"`
[INFO] running `"docker" "rm" "-f" "11a9e83019b14c1554b2da5f10e55e4f8f4ab3e880fe0deb5ebf3f7d0390fdcd"`
[INFO] [stdout] 11a9e83019b14c1554b2da5f10e55e4f8f4ab3e880fe0deb5ebf3f7d0390fdcd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EngelEatos/rust_duplicatefinder:/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] 56f9a7591ec4963a5747eda4b28be742ec71e31453c7d5cf5f4340c9a8be7e01
[INFO] running `"docker" "start" "-a" "56f9a7591ec4963a5747eda4b28be742ec71e31453c7d5cf5f4340c9a8be7e01"`
[INFO] [stderr]    Compiling duplicatefinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn visit_dirs(dir: &Path, cb: &Fn(&mut HashMap<u64, Vec<PathBuf>>, &DirEntry), dict: &mut HashMap<u64, Vec<PathBuf>>) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut HashMap<u64, Vec<PathBuf>>, &DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "56f9a7591ec4963a5747eda4b28be742ec71e31453c7d5cf5f4340c9a8be7e01"`
[INFO] running `"docker" "rm" "-f" "56f9a7591ec4963a5747eda4b28be742ec71e31453c7d5cf5f4340c9a8be7e01"`
[INFO] [stdout] 56f9a7591ec4963a5747eda4b28be742ec71e31453c7d5cf5f4340c9a8be7e01
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EngelEatos/rust_duplicatefinder:/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] 1f04fd202587be740e2c020fa1e5ffcac0608b3e50aaf46ca33f1e429355ffca
[INFO] running `"docker" "start" "-a" "1f04fd202587be740e2c020fa1e5ffcac0608b3e50aaf46ca33f1e429355ffca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/duplicatefinder-5349fe9078466d6e
[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" "1f04fd202587be740e2c020fa1e5ffcac0608b3e50aaf46ca33f1e429355ffca"`
[INFO] running `"docker" "rm" "-f" "1f04fd202587be740e2c020fa1e5ffcac0608b3e50aaf46ca33f1e429355ffca"`
[INFO] [stdout] 1f04fd202587be740e2c020fa1e5ffcac0608b3e50aaf46ca33f1e429355ffca