[INFO] crate stayalive 0.5.0 is already in cache
[INFO] extracting crate stayalive 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/stayalive/0.5.0
[INFO] extracting crate stayalive 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stayalive/0.5.0
[INFO] validating manifest of stayalive-0.5.0 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 stayalive-0.5.0 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 stayalive-0.5.0
[INFO] finished frobbing stayalive-0.5.0
[INFO] frobbed toml for stayalive-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stayalive/0.5.0/Cargo.toml
[INFO] started frobbing stayalive-0.5.0
[INFO] finished frobbing stayalive-0.5.0
[INFO] frobbed toml for stayalive-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stayalive/0.5.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing stayalive-0.5.0 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/stayalive/0.5.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1036e28b43690284fecbfeaa06d9c8086cc960a9ff2699a3d03bacdd14581054
[INFO] running `"docker" "start" "-a" "1036e28b43690284fecbfeaa06d9c8086cc960a9ff2699a3d03bacdd14581054"`
[INFO] [stderr]    Compiling stayalive v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bulkheads/concurrency_limiters.rs:241:19
[INFO] [stderr]     |
[INFO] [stderr] 241 |     exec_cmd: Arc<Fn(C, P::Resource) -> Result<T, E> + Send + Sync + 'static>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C, P::Resource) -> Result<T, E> + Send + Sync + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `E` doesn't implement `std::fmt::Debug`
[INFO] [stderr]  --> src/circuitbreakers/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(Debug, Clone, Fail)]
[INFO] [stderr]   |                        ^^^^ `E` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::fmt::Debug` is not implemented for `E`
[INFO] [stderr]   = help: consider adding a `where E: std::fmt::Debug` bound
[INFO] [stderr]   = note: required because of the requirements on the impl of `std::fmt::Debug` for `circuitbreakers::CircuitBreakerError<E>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `E` cannot be shared between threads safely
[INFO] [stderr]  --> src/circuitbreakers/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(Debug, Clone, Fail)]
[INFO] [stderr]   |                        ^^^^ `E` cannot be shared between threads safely
[INFO] [stderr]   |
[INFO] [stderr]   = help: within `circuitbreakers::CircuitBreakerError<E>`, the trait `std::marker::Sync` is not implemented for `E`
[INFO] [stderr]   = help: consider adding a `where E: std::marker::Sync` bound
[INFO] [stderr]   = note: required because it appears within the type `circuitbreakers::CircuitBreakerError<E>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `E` cannot be sent between threads safely
[INFO] [stderr]  --> src/circuitbreakers/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(Debug, Clone, Fail)]
[INFO] [stderr]   |                        ^^^^ `E` cannot be sent between threads safely
[INFO] [stderr]   |
[INFO] [stderr]   = help: within `circuitbreakers::CircuitBreakerError<E>`, the trait `std::marker::Send` is not implemented for `E`
[INFO] [stderr]   = help: consider adding a `where E: std::marker::Send` bound
[INFO] [stderr]   = note: required because it appears within the type `circuitbreakers::CircuitBreakerError<E>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `E` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/bulkheads/mod.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Debug, Clone, Fail)]
[INFO] [stderr]    |                        ^^^^ `E` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `E`
[INFO] [stderr]    = help: consider adding a `where E: std::fmt::Debug` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `bulkheads::BulkheadError<E>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `E` cannot be shared between threads safely
[INFO] [stderr]   --> src/bulkheads/mod.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Debug, Clone, Fail)]
[INFO] [stderr]    |                        ^^^^ `E` cannot be shared between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: within `bulkheads::BulkheadError<E>`, the trait `std::marker::Sync` is not implemented for `E`
[INFO] [stderr]    = help: consider adding a `where E: std::marker::Sync` bound
[INFO] [stderr]    = note: required because it appears within the type `bulkheads::BulkheadError<E>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `E` cannot be sent between threads safely
[INFO] [stderr]   --> src/bulkheads/mod.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Debug, Clone, Fail)]
[INFO] [stderr]    |                        ^^^^ `E` cannot be sent between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: within `bulkheads::BulkheadError<E>`, the trait `std::marker::Send` is not implemented for `E`
[INFO] [stderr]    = help: consider adding a `where E: std::marker::Send` bound
[INFO] [stderr]    = note: required because it appears within the type `bulkheads::BulkheadError<E>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `stayalive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1036e28b43690284fecbfeaa06d9c8086cc960a9ff2699a3d03bacdd14581054"`
[INFO] running `"docker" "rm" "-f" "1036e28b43690284fecbfeaa06d9c8086cc960a9ff2699a3d03bacdd14581054"`
[INFO] [stdout] 1036e28b43690284fecbfeaa06d9c8086cc960a9ff2699a3d03bacdd14581054