[INFO] crate hotwatch 0.4.2 is already in cache
[INFO] extracting crate hotwatch 0.4.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/hotwatch/0.4.2
[INFO] extracting crate hotwatch 0.4.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hotwatch/0.4.2
[INFO] validating manifest of hotwatch-0.4.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hotwatch-0.4.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hotwatch-0.4.2
[INFO] finished frobbing hotwatch-0.4.2
[INFO] frobbed toml for hotwatch-0.4.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/hotwatch/0.4.2/Cargo.toml
[INFO] started frobbing hotwatch-0.4.2
[INFO] finished frobbing hotwatch-0.4.2
[INFO] frobbed toml for hotwatch-0.4.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hotwatch/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hotwatch-0.4.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hotwatch/0.4.2:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 61f0be1628606440257bd87be3bf812f88f5c90ea1d57b2cfee7cddf435f146d
[INFO] running `"docker" "start" "-a" "61f0be1628606440257bd87be3bf812f88f5c90ea1d57b2cfee7cddf435f146d"`
[INFO] [stderr]    Compiling hotwatch v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 | type Handler = Box<Fn(Event) + Send>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Event) + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "61f0be1628606440257bd87be3bf812f88f5c90ea1d57b2cfee7cddf435f146d"`
[INFO] running `"docker" "rm" "-f" "61f0be1628606440257bd87be3bf812f88f5c90ea1d57b2cfee7cddf435f146d"`
[INFO] [stdout] 61f0be1628606440257bd87be3bf812f88f5c90ea1d57b2cfee7cddf435f146d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hotwatch/0.4.2:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 45a5877ba332ac13eccfacd772c702aa4c37583ab1158eeea3a23027d0947489
[INFO] running `"docker" "start" "-a" "45a5877ba332ac13eccfacd772c702aa4c37583ab1158eeea3a23027d0947489"`
[INFO] [stderr]    Compiling hotwatch v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 | type Handler = Box<Fn(Event) + Send>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Event) + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "45a5877ba332ac13eccfacd772c702aa4c37583ab1158eeea3a23027d0947489"`
[INFO] running `"docker" "rm" "-f" "45a5877ba332ac13eccfacd772c702aa4c37583ab1158eeea3a23027d0947489"`
[INFO] [stdout] 45a5877ba332ac13eccfacd772c702aa4c37583ab1158eeea3a23027d0947489
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hotwatch/0.4.2:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 83ecf7a38ffc81ed180aa352b3cb08a240579bbefb87201f45597716e82ce207
[INFO] running `"docker" "start" "-a" "83ecf7a38ffc81ed180aa352b3cb08a240579bbefb87201f45597716e82ce207"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hotwatch-b562825383933e0b
[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 hotwatch
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Hotwatch::new (line 100) ... ok
[INFO] [stdout] test src/lib.rs - Hotwatch::watch (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83ecf7a38ffc81ed180aa352b3cb08a240579bbefb87201f45597716e82ce207"`
[INFO] running `"docker" "rm" "-f" "83ecf7a38ffc81ed180aa352b3cb08a240579bbefb87201f45597716e82ce207"`
[INFO] [stdout] 83ecf7a38ffc81ed180aa352b3cb08a240579bbefb87201f45597716e82ce207