[INFO] cloning repository omri123/use_map_reduce
[INFO] running `"git" "clone" "--bare" "git://github.com/omri123/use_map_reduce.git" "work/cache/sources/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/omri123/use_map_reduce'...
[INFO] running `"git" "clone" "work/cache/sources/gh/omri123/use_map_reduce" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/omri123/use_map_reduce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/omri123/use_map_reduce" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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 master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of omri123/use_map_reduce on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded map_reduce_omri v0.1.2
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking omri123/use_map_reduce against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/omri123/use_map_reduce:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 165e346f33014facfa3f15bbdc23c8709040bc1400f523f9e74d5eb024726bcb
[INFO] running `"docker" "start" "-a" "165e346f33014facfa3f15bbdc23c8709040bc1400f523f9e74d5eb024726bcb"`
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking map_reduce_omri v0.1.2
[INFO] [stderr]     Checking 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] 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 3.67s
[INFO] running `"docker" "inspect" "165e346f33014facfa3f15bbdc23c8709040bc1400f523f9e74d5eb024726bcb"`
[INFO] running `"docker" "rm" "-f" "165e346f33014facfa3f15bbdc23c8709040bc1400f523f9e74d5eb024726bcb"`
[INFO] [stdout] 165e346f33014facfa3f15bbdc23c8709040bc1400f523f9e74d5eb024726bcb