[INFO] crate tokio-interceptor 0.1.0 is already in cache
[INFO] extracting crate tokio-interceptor 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-interceptor/0.1.0
[INFO] extracting crate tokio-interceptor 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tokio-interceptor/0.1.0
[INFO] validating manifest of tokio-interceptor-0.1.0 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 tokio-interceptor-0.1.0 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 tokio-interceptor-0.1.0
[INFO] finished frobbing tokio-interceptor-0.1.0
[INFO] frobbed toml for tokio-interceptor-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-interceptor/0.1.0/Cargo.toml
[INFO] started frobbing tokio-interceptor-0.1.0
[INFO] finished frobbing tokio-interceptor-0.1.0
[INFO] frobbed toml for tokio-interceptor-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tokio-interceptor/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[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 tokio-interceptor-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-interceptor/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4951a4839f886dd8f3090a3170bf0e53f3787f96a2fe55c240e6c3ac5e49f32f
[INFO] running `"docker" "start" "-a" "4951a4839f886dd8f3090a3170bf0e53f3787f96a2fe55c240e6c3ac5e49f32f"`
[INFO] [stderr]    Compiling tokio-interceptor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let mut context = Context::new(interceptors);
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "4951a4839f886dd8f3090a3170bf0e53f3787f96a2fe55c240e6c3ac5e49f32f"`
[INFO] running `"docker" "rm" "-f" "4951a4839f886dd8f3090a3170bf0e53f3787f96a2fe55c240e6c3ac5e49f32f"`
[INFO] [stdout] 4951a4839f886dd8f3090a3170bf0e53f3787f96a2fe55c240e6c3ac5e49f32f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-interceptor/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c551b5503ad6005067bd83e50a4ce4d65e23dd1c9e3f1ed5b09d1cc7bf468ece
[INFO] running `"docker" "start" "-a" "c551b5503ad6005067bd83e50a4ce4d65e23dd1c9e3f1ed5b09d1cc7bf468ece"`
[INFO] [stderr]    Compiling tokio-interceptor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/events.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let mut context = Context::new(interceptors);
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IdentityEvent`
[INFO] [stderr]    --> src/lib.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     struct IdentityEvent;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         app.dispatch(BeforeEvent(Rc::clone(&called))).wait();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |         app.dispatch(BeforeEvent(Rc::clone(&called_second))).wait();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         app.dispatch(BeforeEvent(Rc::clone(&called_second))).wait();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `"docker" "inspect" "c551b5503ad6005067bd83e50a4ce4d65e23dd1c9e3f1ed5b09d1cc7bf468ece"`
[INFO] running `"docker" "rm" "-f" "c551b5503ad6005067bd83e50a4ce4d65e23dd1c9e3f1ed5b09d1cc7bf468ece"`
[INFO] [stdout] c551b5503ad6005067bd83e50a4ce4d65e23dd1c9e3f1ed5b09d1cc7bf468ece
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tokio-interceptor/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9dce2e27b36f73af1fdbb8d35d9f484d6978e872a2048f28d5cef11d59cff2dc
[INFO] running `"docker" "start" "-a" "9dce2e27b36f73af1fdbb8d35d9f484d6978e872a2048f28d5cef11d59cff2dc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_interceptor-6c810c0d6d6d040d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test coeffects::tests::test_coeffect_interceptor ... ok
[INFO] [stdout] test db::tests::test_event_as_interceptor ... ok
[INFO] [stdout] test tests::test_dispatcher_calls_interceptor_after ... ok
[INFO] [stdout] test tests::test_dispatcher_calls_interceptor_before ... ok
[INFO] [stdout] test tests::test_coeffect_map ... ok
[INFO] [stdout] test tests::test_dispatcher_calls_event_before ... ok
[INFO] [stdout] test effects::tests::test_effect_interceptor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-interceptor
[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" "9dce2e27b36f73af1fdbb8d35d9f484d6978e872a2048f28d5cef11d59cff2dc"`
[INFO] running `"docker" "rm" "-f" "9dce2e27b36f73af1fdbb8d35d9f484d6978e872a2048f28d5cef11d59cff2dc"`
[INFO] [stdout] 9dce2e27b36f73af1fdbb8d35d9f484d6978e872a2048f28d5cef11d59cff2dc