[INFO] updating cached repository https://github.com/omri123/use_map_reduce
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e97bb4187298c03c9587f41e407fa4da704e783
[INFO] testing omri123/use_map_reduce against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomri123%2Fuse_map_reduce" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/omri123/use_map_reduce on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/omri123/use_map_reduce
[INFO] finished tweaking git repo https://github.com/omri123/use_map_reduce
[INFO] tweaked toml for git repo https://github.com/omri123/use_map_reduce written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/omri123/use_map_reduce already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 004e68fe51d9f0376c230b68b0013deb3cceeee41810a78c512f9ada0f513d15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "004e68fe51d9f0376c230b68b0013deb3cceeee41810a78c512f9ada0f513d15"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.6
[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/rustwide/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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `"docker" "inspect" "004e68fe51d9f0376c230b68b0013deb3cceeee41810a78c512f9ada0f513d15"`
[INFO] running `"docker" "rm" "-f" "004e68fe51d9f0376c230b68b0013deb3cceeee41810a78c512f9ada0f513d15"`
[INFO] [stdout] 004e68fe51d9f0376c230b68b0013deb3cceeee41810a78c512f9ada0f513d15
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9125ac6633e305b8a7cde99ff950eb4f2ba5c747dbcc6b72667ae4f632198f5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9125ac6633e305b8a7cde99ff950eb4f2ba5c747dbcc6b72667ae4f632198f5d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling use_map_reduce v0.1.0 (/opt/rustwide/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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "9125ac6633e305b8a7cde99ff950eb4f2ba5c747dbcc6b72667ae4f632198f5d"`
[INFO] running `"docker" "rm" "-f" "9125ac6633e305b8a7cde99ff950eb4f2ba5c747dbcc6b72667ae4f632198f5d"`
[INFO] [stdout] 9125ac6633e305b8a7cde99ff950eb4f2ba5c747dbcc6b72667ae4f632198f5d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f524097604cd51d1417213d1ee74252692fadadccf2353dd8715f7b3e7d3b7c
[INFO] running `"docker" "start" "-a" "5f524097604cd51d1417213d1ee74252692fadadccf2353dd8715f7b3e7d3b7c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/use_map_reduce-b1dc988e33811493
[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" "5f524097604cd51d1417213d1ee74252692fadadccf2353dd8715f7b3e7d3b7c"`
[INFO] running `"docker" "rm" "-f" "5f524097604cd51d1417213d1ee74252692fadadccf2353dd8715f7b3e7d3b7c"`
[INFO] [stdout] 5f524097604cd51d1417213d1ee74252692fadadccf2353dd8715f7b3e7d3b7c