[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 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] beb1fa7301ed6054378dcae960d05a8bd7c7db41c5c2f49a2020e8e8b1eef4b8
[INFO] running `"docker" "start" "-a" "beb1fa7301ed6054378dcae960d05a8bd7c7db41c5c2f49a2020e8e8b1eef4b8"`
[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 0.99s
[INFO] running `"docker" "inspect" "beb1fa7301ed6054378dcae960d05a8bd7c7db41c5c2f49a2020e8e8b1eef4b8"`
[INFO] running `"docker" "rm" "-f" "beb1fa7301ed6054378dcae960d05a8bd7c7db41c5c2f49a2020e8e8b1eef4b8"`
[INFO] [stdout] beb1fa7301ed6054378dcae960d05a8bd7c7db41c5c2f49a2020e8e8b1eef4b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a16ff8e6c2627590eff5718d9d0c22ae6b44785804fe94172e7c8b7e2e56c71f
[INFO] running `"docker" "start" "-a" "a16ff8e6c2627590eff5718d9d0c22ae6b44785804fe94172e7c8b7e2e56c71f"`
[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 0.75s
[INFO] running `"docker" "inspect" "a16ff8e6c2627590eff5718d9d0c22ae6b44785804fe94172e7c8b7e2e56c71f"`
[INFO] running `"docker" "rm" "-f" "a16ff8e6c2627590eff5718d9d0c22ae6b44785804fe94172e7c8b7e2e56c71f"`
[INFO] [stdout] a16ff8e6c2627590eff5718d9d0c22ae6b44785804fe94172e7c8b7e2e56c71f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 16afa6188ab1b3d139ab3b82b790529ca38448237356911f5d2c3f878e6e3641
[INFO] running `"docker" "start" "-a" "16afa6188ab1b3d139ab3b82b790529ca38448237356911f5d2c3f878e6e3641"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_watcher-5f521917beb45b47
[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" "16afa6188ab1b3d139ab3b82b790529ca38448237356911f5d2c3f878e6e3641"`
[INFO] running `"docker" "rm" "-f" "16afa6188ab1b3d139ab3b82b790529ca38448237356911f5d2c3f878e6e3641"`
[INFO] [stdout] 16afa6188ab1b3d139ab3b82b790529ca38448237356911f5d2c3f878e6e3641