[INFO] updating cached repository omri123/use_map_reduce
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/omri123/use_map_reduce
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/omri123/use_map_reduce" "work/ex/beta-1.38-1/sources/1.37.0/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/omri123/use_map_reduce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/omri123/use_map_reduce" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/omri123/use_map_reduce'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e97bb4187298c03c9587f41e407fa4da704e783
[INFO] sha for GitHub repo omri123/use_map_reduce: 6e97bb4187298c03c9587f41e407fa4da704e783
[INFO] validating manifest of omri123/use_map_reduce 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 omri123/use_map_reduce 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 omri123/use_map_reduce
[INFO] finished frobbing omri123/use_map_reduce
[INFO] frobbed toml for omri123/use_map_reduce written to work/ex/beta-1.38-1/sources/1.37.0/gh/omri123/use_map_reduce/Cargo.toml
[INFO] started frobbing omri123/use_map_reduce
[INFO] finished frobbing omri123/use_map_reduce
[INFO] frobbed toml for omri123/use_map_reduce written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/omri123/use_map_reduce/Cargo.toml
[INFO] crate omri123/use_map_reduce 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 omri123/use_map_reduce 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/omri123/use_map_reduce:/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] 1517ce1f9d662d341dbc571661f46dcadebc256c7b63fdcddfed6b70c9bd306b
[INFO] running `"docker" "start" "-a" "1517ce1f9d662d341dbc571661f46dcadebc256c7b63fdcddfed6b70c9bd306b"`
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling map_reduce_omri v0.1.2
[INFO] [stderr]    Compiling use_map_reduce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn visit_dirs(dir: &Path, cb: &mut FnMut(DirEntry)) -> io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:56:61
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn map_count_words(entry: PathBuf, _unused: i32, emit: &mut FnMut(String, i32)) {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String, i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:93:58
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn reduce_count_words(k: String, v: Vec<i32>, emit: &mut FnMut(String, i32)){
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String, i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `"docker" "inspect" "1517ce1f9d662d341dbc571661f46dcadebc256c7b63fdcddfed6b70c9bd306b"`
[INFO] running `"docker" "rm" "-f" "1517ce1f9d662d341dbc571661f46dcadebc256c7b63fdcddfed6b70c9bd306b"`
[INFO] [stdout] 1517ce1f9d662d341dbc571661f46dcadebc256c7b63fdcddfed6b70c9bd306b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/omri123/use_map_reduce:/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] ba99d3f3d71ded69578e7234b76dda4000bf45dd95c0fc0fbb3aae1a4f3ac100
[INFO] running `"docker" "start" "-a" "ba99d3f3d71ded69578e7234b76dda4000bf45dd95c0fc0fbb3aae1a4f3ac100"`
[INFO] [stderr]    Compiling use_map_reduce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn visit_dirs(dir: &Path, cb: &mut FnMut(DirEntry)) -> io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:56:61
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn map_count_words(entry: PathBuf, _unused: i32, emit: &mut FnMut(String, i32)) {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String, i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:93:58
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn reduce_count_words(k: String, v: Vec<i32>, emit: &mut FnMut(String, i32)){
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String, i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "ba99d3f3d71ded69578e7234b76dda4000bf45dd95c0fc0fbb3aae1a4f3ac100"`
[INFO] running `"docker" "rm" "-f" "ba99d3f3d71ded69578e7234b76dda4000bf45dd95c0fc0fbb3aae1a4f3ac100"`
[INFO] [stdout] ba99d3f3d71ded69578e7234b76dda4000bf45dd95c0fc0fbb3aae1a4f3ac100
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/omri123/use_map_reduce:/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] c04637557856f4977a6cb2ce149b4d4ff9a92997cc209305ffd6999e551bd8e0
[INFO] running `"docker" "start" "-a" "c04637557856f4977a6cb2ce149b4d4ff9a92997cc209305ffd6999e551bd8e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/use_map_reduce-1000a74d252f2726
[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" "c04637557856f4977a6cb2ce149b4d4ff9a92997cc209305ffd6999e551bd8e0"`
[INFO] running `"docker" "rm" "-f" "c04637557856f4977a6cb2ce149b4d4ff9a92997cc209305ffd6999e551bd8e0"`
[INFO] [stdout] c04637557856f4977a6cb2ce149b4d4ff9a92997cc209305ffd6999e551bd8e0