[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/omri123/use_map_reduce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/omri123/use_map_reduce" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/omri123/use_map_reduce"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of omri123/use_map_reduce on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking omri123/use_map_reduce against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4ccaaefbb37e092dd60f028ea95e8828707f54191d6888e76834a8bcf933626
[INFO] running `"docker" "start" "-a" "f4ccaaefbb37e092dd60f028ea95e8828707f54191d6888e76834a8bcf933626"`
[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 4.57s
[INFO] running `"docker" "inspect" "f4ccaaefbb37e092dd60f028ea95e8828707f54191d6888e76834a8bcf933626"`
[INFO] running `"docker" "rm" "-f" "f4ccaaefbb37e092dd60f028ea95e8828707f54191d6888e76834a8bcf933626"`
[INFO] [stdout] f4ccaaefbb37e092dd60f028ea95e8828707f54191d6888e76834a8bcf933626