[INFO] crate file-watcher 0.0.18 is already in cache
[INFO] testing file-watcher-0.0.18 against 1.38.0 for beta-1.39-1
[INFO] extracting crate file-watcher 0.0.18 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate file-watcher 0.0.18 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate file-watcher 0.0.18
[INFO] finished tweaking crates.io crate file-watcher 0.0.18
[INFO] tweaked toml for crates.io crate file-watcher 0.0.18 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ff6bf15507950c628dedc7a472e7e5bfee39b142221ef859793c59e040f03b78
[INFO] running `"docker" "start" "-a" "ff6bf15507950c628dedc7a472e7e5bfee39b142221ef859793c59e040f03b78"`
[INFO] [stderr]    Compiling set-error v1.0.1
[INFO] [stderr]    Compiling file-watcher v0.0.18 (/opt/rustwide/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 0.49s
[INFO] running `"docker" "inspect" "ff6bf15507950c628dedc7a472e7e5bfee39b142221ef859793c59e040f03b78"`
[INFO] running `"docker" "rm" "-f" "ff6bf15507950c628dedc7a472e7e5bfee39b142221ef859793c59e040f03b78"`
[INFO] [stdout] ff6bf15507950c628dedc7a472e7e5bfee39b142221ef859793c59e040f03b78
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e2c4572b4cc8a93f0ba572b4539afd0eb9e3ef44da5a6a51d544b13301ae5525
[INFO] running `"docker" "start" "-a" "e2c4572b4cc8a93f0ba572b4539afd0eb9e3ef44da5a6a51d544b13301ae5525"`
[INFO] [stderr]    Compiling file-watcher v0.0.18 (/opt/rustwide/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 0.38s
[INFO] running `"docker" "inspect" "e2c4572b4cc8a93f0ba572b4539afd0eb9e3ef44da5a6a51d544b13301ae5525"`
[INFO] running `"docker" "rm" "-f" "e2c4572b4cc8a93f0ba572b4539afd0eb9e3ef44da5a6a51d544b13301ae5525"`
[INFO] [stdout] e2c4572b4cc8a93f0ba572b4539afd0eb9e3ef44da5a6a51d544b13301ae5525
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d11d10c2183346838b64223630426302db5362af259ad430321e66f4b2f9c0a8
[INFO] running `"docker" "start" "-a" "d11d10c2183346838b64223630426302db5362af259ad430321e66f4b2f9c0a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_watcher-631ee1b8564b4112
[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" "d11d10c2183346838b64223630426302db5362af259ad430321e66f4b2f9c0a8"`
[INFO] running `"docker" "rm" "-f" "d11d10c2183346838b64223630426302db5362af259ad430321e66f4b2f9c0a8"`
[INFO] [stdout] d11d10c2183346838b64223630426302db5362af259ad430321e66f4b2f9c0a8