[INFO] crate file-watcher 0.0.18 is already in cache
[INFO] extracting crate file-watcher 0.0.18 into work/ex/beta-1.38-1/sources/1.37.0/reg/file-watcher/0.0.18
[INFO] extracting crate file-watcher 0.0.18 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-watcher/0.0.18
[INFO] validating manifest of file-watcher-0.0.18 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 file-watcher-0.0.18 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 file-watcher-0.0.18
[INFO] finished frobbing file-watcher-0.0.18
[INFO] frobbed toml for file-watcher-0.0.18 written to work/ex/beta-1.38-1/sources/1.37.0/reg/file-watcher/0.0.18/Cargo.toml
[INFO] started frobbing file-watcher-0.0.18
[INFO] finished frobbing file-watcher-0.0.18
[INFO] frobbed toml for file-watcher-0.0.18 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-watcher/0.0.18/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 file-watcher-0.0.18 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-watcher/0.0.18:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1e1631ec7337e6f872c182ec7150621ccc2e7a3b21b3ab61efcfd43801ae4b9a
[INFO] running `"docker" "start" "-a" "1e1631ec7337e6f872c182ec7150621ccc2e7a3b21b3ab61efcfd43801ae4b9a"`
[INFO] [stderr]    Compiling set-error v1.0.1
[INFO] [stderr]    Compiling file-watcher v0.0.18 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |     open_file_func: Rc<Fn(&str) -> WatchingFuncResult<T>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> WatchingFuncResult<T>`
[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/lib.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |     functions_on_run: Vec<Rc<Fn(T) -> WatchingFuncResult<T>>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> WatchingFuncResult<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     function_on_end: Rc<Fn(T) -> Result<(), String>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "1e1631ec7337e6f872c182ec7150621ccc2e7a3b21b3ab61efcfd43801ae4b9a"`
[INFO] running `"docker" "rm" "-f" "1e1631ec7337e6f872c182ec7150621ccc2e7a3b21b3ab61efcfd43801ae4b9a"`
[INFO] [stdout] 1e1631ec7337e6f872c182ec7150621ccc2e7a3b21b3ab61efcfd43801ae4b9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-watcher/0.0.18:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2fe161cabafb20db0316e8a966542cd8905fed2566b3e9ae1a599b77dbea7752
[INFO] running `"docker" "start" "-a" "2fe161cabafb20db0316e8a966542cd8905fed2566b3e9ae1a599b77dbea7752"`
[INFO] [stderr]    Compiling file-watcher v0.0.18 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |     open_file_func: Rc<Fn(&str) -> WatchingFuncResult<T>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> WatchingFuncResult<T>`
[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/lib.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |     functions_on_run: Vec<Rc<Fn(T) -> WatchingFuncResult<T>>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> WatchingFuncResult<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     function_on_end: Rc<Fn(T) -> Result<(), String>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "2fe161cabafb20db0316e8a966542cd8905fed2566b3e9ae1a599b77dbea7752"`
[INFO] running `"docker" "rm" "-f" "2fe161cabafb20db0316e8a966542cd8905fed2566b3e9ae1a599b77dbea7752"`
[INFO] [stdout] 2fe161cabafb20db0316e8a966542cd8905fed2566b3e9ae1a599b77dbea7752
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/file-watcher/0.0.18:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] db084348facc28ccb9872ad7da30b2696f5f42b9afd208bf2b18631646e89dd1
[INFO] running `"docker" "start" "-a" "db084348facc28ccb9872ad7da30b2696f5f42b9afd208bf2b18631646e89dd1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_watcher-9030d2fb857e2c0c
[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] [stderr]    Doc-tests file-watcher
[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" "db084348facc28ccb9872ad7da30b2696f5f42b9afd208bf2b18631646e89dd1"`
[INFO] running `"docker" "rm" "-f" "db084348facc28ccb9872ad7da30b2696f5f42b9afd208bf2b18631646e89dd1"`
[INFO] [stdout] db084348facc28ccb9872ad7da30b2696f5f42b9afd208bf2b18631646e89dd1