[INFO] crate workpool 0.1.0 is already in cache
[INFO] extracting crate workpool 0.1.0 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/workpool/0.1.0
[INFO] extracting crate workpool 0.1.0 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/workpool/0.1.0
[INFO] validating manifest of workpool-0.1.0 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of workpool-0.1.0 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing workpool-0.1.0
[INFO] finished frobbing workpool-0.1.0
[INFO] frobbed toml for workpool-0.1.0 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/workpool/0.1.0/Cargo.toml
[INFO] started frobbing workpool-0.1.0
[INFO] finished frobbing workpool-0.1.0
[INFO] frobbed toml for workpool-0.1.0 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/workpool/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking workpool-0.1.0 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/workpool/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 01ba83f2e21586368595475076cb7fe34a97e5b0de8f0e40170c0c079ca0b127
[INFO] running `"docker" "start" "-a" "01ba83f2e21586368595475076cb7fe34a97e5b0de8f0e40170c0c079ca0b127"`
[INFO] [stderr]     Checking published_value v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking workpool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]   --> src/pool/dynamic_pool.rs:36:51
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let coordinator_thread = JoinOnDrop::wrap(thread::spawn(move || {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sync` is not implemented for `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output`
[INFO] [stderr]    = help: consider adding a `where <R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output: std::marker::Sync` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Sync` for `published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc<published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>>`
[INFO] [stderr]    = note: required because it appears within the type `published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because it appears within the type `[closure@src/pool/dynamic_pool.rs:36:65: 46:10 worker:W, reducer:R, work_receiver:crossbeam_channel::Receiver<I>, concurrency_limit:i64, change_concurrency_limit_receiver:crossbeam_channel::Receiver<i64>, output_publisher:published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>]`
[INFO] [stderr]    = note: required by `std::thread::spawn`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]   --> src/pool/static_pool.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let wait_thread = Arc::new(JoinOnDrop::wrap(thread::spawn(move || {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^ `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sync` is not implemented for `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output`
[INFO] [stderr]    = help: consider adding a `where <R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output: std::marker::Sync` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Sync` for `published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc<published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>>`
[INFO] [stderr]    = note: required because it appears within the type `published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because it appears within the type `[closure@src/pool/static_pool.rs:98:67: 105:10 threads:std::vec::Vec<thread_util::JoinOnDrop<()>>, reducer:std::sync::Arc<std::sync::Mutex<R>>, output_publisher:published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>]`
[INFO] [stderr]    = note: required by `std::thread::spawn`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]   --> src/pool/dynamic_pool.rs:36:51
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let coordinator_thread = JoinOnDrop::wrap(thread::spawn(move || {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sync` is not implemented for `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output`
[INFO] [stderr]    = help: consider adding a `where <R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output: std::marker::Sync` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Sync` for `published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc<published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>>`
[INFO] [stderr]    = note: required because it appears within the type `published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because it appears within the type `[closure@src/pool/dynamic_pool.rs:36:65: 46:10 worker:W, reducer:R, work_receiver:crossbeam_channel::Receiver<I>, concurrency_limit:i64, change_concurrency_limit_receiver:crossbeam_channel::Receiver<i64>, output_publisher:published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>]`
[INFO] [stderr]    = note: required by `std::thread::spawn`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `workpool`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]   --> src/pool/static_pool.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let wait_thread = Arc::new(JoinOnDrop::wrap(thread::spawn(move || {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^ `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output` cannot be shared between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sync` is not implemented for `<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output`
[INFO] [stderr]    = help: consider adding a `where <R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output: std::marker::Sync` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Sync` for `published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc<published_value::Value<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>>`
[INFO] [stderr]    = note: required because it appears within the type `published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>`
[INFO] [stderr]    = note: required because it appears within the type `[closure@src/pool/static_pool.rs:98:67: 105:10 threads:std::vec::Vec<thread_util::JoinOnDrop<()>>, reducer:std::sync::Arc<std::sync::Mutex<R>>, output_publisher:published_value::Publisher<<R as reducer::Reducer<<W as worker::Worker<I>>::Output>>::Output>]`
[INFO] [stderr]    = note: required by `std::thread::spawn`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `workpool`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "01ba83f2e21586368595475076cb7fe34a97e5b0de8f0e40170c0c079ca0b127"`
[INFO] running `"docker" "rm" "-f" "01ba83f2e21586368595475076cb7fe34a97e5b0de8f0e40170c0c079ca0b127"`
[INFO] [stdout] 01ba83f2e21586368595475076cb7fe34a97e5b0de8f0e40170c0c079ca0b127