[INFO] updating cached repository hultberg/dup-files
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hultberg/dup-files
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hultberg/dup-files" "work/ex/beta-1.38-1/sources/1.37.0/gh/hultberg/dup-files"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hultberg/dup-files'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hultberg/dup-files" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hultberg/dup-files"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hultberg/dup-files'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d18604a3f9f8f17d27e5a36ad9a6731775e0022d
[INFO] sha for GitHub repo hultberg/dup-files: d18604a3f9f8f17d27e5a36ad9a6731775e0022d
[INFO] validating manifest of hultberg/dup-files 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 hultberg/dup-files 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 hultberg/dup-files
[INFO] finished frobbing hultberg/dup-files
[INFO] frobbed toml for hultberg/dup-files written to work/ex/beta-1.38-1/sources/1.37.0/gh/hultberg/dup-files/Cargo.toml
[INFO] started frobbing hultberg/dup-files
[INFO] finished frobbing hultberg/dup-files
[INFO] frobbed toml for hultberg/dup-files written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hultberg/dup-files/Cargo.toml
[INFO] crate hultberg/dup-files 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hultberg/dup-files 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hultberg/dup-files:/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] e06bae03cce1dcd7ddc19aab0fec1a450106c3cf6fb42855d5f33d7b54264021
[INFO] running `"docker" "start" "-a" "e06bae03cce1dcd7ddc19aab0fec1a450106c3cf6fb42855d5f33d7b54264021"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling dup-files v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:36
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn visit_dirs(dir: &Path, cb: &mut FnMut(&fs::DirEntry)) -> io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fs::DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "e06bae03cce1dcd7ddc19aab0fec1a450106c3cf6fb42855d5f33d7b54264021"`
[INFO] running `"docker" "rm" "-f" "e06bae03cce1dcd7ddc19aab0fec1a450106c3cf6fb42855d5f33d7b54264021"`
[INFO] [stdout] e06bae03cce1dcd7ddc19aab0fec1a450106c3cf6fb42855d5f33d7b54264021
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hultberg/dup-files:/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] 47cd65d7c1075c3afaaf562a46c3df30432608328bb6329419faad44c6dc7595
[INFO] running `"docker" "start" "-a" "47cd65d7c1075c3afaaf562a46c3df30432608328bb6329419faad44c6dc7595"`
[INFO] [stderr]    Compiling dup-files v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:72:36
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn visit_dirs(dir: &Path, cb: &mut FnMut(&fs::DirEntry)) -> io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fs::DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "47cd65d7c1075c3afaaf562a46c3df30432608328bb6329419faad44c6dc7595"`
[INFO] running `"docker" "rm" "-f" "47cd65d7c1075c3afaaf562a46c3df30432608328bb6329419faad44c6dc7595"`
[INFO] [stdout] 47cd65d7c1075c3afaaf562a46c3df30432608328bb6329419faad44c6dc7595
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hultberg/dup-files:/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] e0c89160e80cf0dc71da94b6bc145376273011c09310cc7b6dfdaf5c22c48b4a
[INFO] running `"docker" "start" "-a" "e0c89160e80cf0dc71da94b6bc145376273011c09310cc7b6dfdaf5c22c48b4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dup_files-9f2d9226bf327f7f
[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" "e0c89160e80cf0dc71da94b6bc145376273011c09310cc7b6dfdaf5c22c48b4a"`
[INFO] running `"docker" "rm" "-f" "e0c89160e80cf0dc71da94b6bc145376273011c09310cc7b6dfdaf5c22c48b4a"`
[INFO] [stdout] e0c89160e80cf0dc71da94b6bc145376273011c09310cc7b6dfdaf5c22c48b4a