[INFO] crate task_queue 0.0.7 is already in cache
[INFO] extracting crate task_queue 0.0.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/task_queue/0.0.7
[INFO] extracting crate task_queue 0.0.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task_queue/0.0.7
[INFO] validating manifest of task_queue-0.0.7 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 task_queue-0.0.7 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 task_queue-0.0.7
[INFO] finished frobbing task_queue-0.0.7
[INFO] frobbed toml for task_queue-0.0.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/task_queue/0.0.7/Cargo.toml
[INFO] started frobbing task_queue-0.0.7
[INFO] finished frobbing task_queue-0.0.7
[INFO] frobbed toml for task_queue-0.0.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/task_queue/0.0.7/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] testing task_queue-0.0.7 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/task_queue/0.0.7:/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] e820d21a94c49211371a996c39b22e6133f04b39ed3b3884fd08f18ed8eaefd0
[INFO] running `"docker" "start" "-a" "e820d21a94c49211371a996c39b22e6133f04b39ed3b3884fd08f18ed8eaefd0"`
[INFO] [stderr]    Compiling task_queue v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |     policy: Box<SpawnPolicy>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:52
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn set_spawn_policy(&mut self, policy: Box<SpawnPolicy>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:347:16
[INFO] [stderr]     |
[INFO] [stderr] 347 |     value: Box<Fn() + Send>,
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "e820d21a94c49211371a996c39b22e6133f04b39ed3b3884fd08f18ed8eaefd0"`
[INFO] running `"docker" "rm" "-f" "e820d21a94c49211371a996c39b22e6133f04b39ed3b3884fd08f18ed8eaefd0"`
[INFO] [stdout] e820d21a94c49211371a996c39b22e6133f04b39ed3b3884fd08f18ed8eaefd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/task_queue/0.0.7:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e0965871f1d28a6e27c9f7484bd60368b6cb0d23d80e813e7408f74e3226e9d
[INFO] running `"docker" "start" "-a" "4e0965871f1d28a6e27c9f7484bd60368b6cb0d23d80e813e7408f74e3226e9d"`
[INFO] [stderr]    Compiling task_queue v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |     policy: Box<SpawnPolicy>,
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:293:52
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn set_spawn_policy(&mut self, policy: Box<SpawnPolicy>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:347:16
[INFO] [stderr]     |
[INFO] [stderr] 347 |     value: Box<Fn() + Send>,
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "4e0965871f1d28a6e27c9f7484bd60368b6cb0d23d80e813e7408f74e3226e9d"`
[INFO] running `"docker" "rm" "-f" "4e0965871f1d28a6e27c9f7484bd60368b6cb0d23d80e813e7408f74e3226e9d"`
[INFO] [stdout] 4e0965871f1d28a6e27c9f7484bd60368b6cb0d23d80e813e7408f74e3226e9d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/task_queue/0.0.7:/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" "test" "--frozen"`
[INFO] [stdout] 45d384d02ba12a4c776b44db3b97fd618d2de78edfb1655f9bc88602d55a617f
[INFO] running `"docker" "start" "-a" "45d384d02ba12a4c776b44db3b97fd618d2de78edfb1655f9bc88602d55a617f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/task_queue-6472d4f8387499d0
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test pipe::test::test_one_thread ... ok
[INFO] [stdout] test pipe::test::test_cancel ... ok
[INFO] [stdout] test pipe::test::test_several_threads ... ok
[INFO] [stdout] test pipe::test::test_put_for ... ok
[INFO] [stdout] test pipe::test::test_put_for_priority ... ok
[INFO] [stdout] test spawn_policy::test::test_policy_stats_increment ... ok
[INFO] [stdout] test spawn_policy::test::test_dynamic_policy_up ... ok
[INFO] [stdout] test spawn_policy::test::test_dynamic_policy_down ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-b704653479aa9bd5
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_dynamic_policy_down ... ignored
[INFO] [stdout] test test_dynamic_policy_up ... ignored
[INFO] [stdout] test test_dynamic_close_thread ... ok
[INFO] [stdout] test test_stop_immediately ... ok
[INFO] [stdout] test test_work ... ok
[INFO] [stdout] test test_stop_and_wait ... ok
[INFO] [stdout] test test_stop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests task_queue
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 23) ... ok
[INFO] [stdout] test src/lib.rs - TaskQueue::stop (line 188) ... ok
[INFO] [stdout] test src/spawn_policy.rs - spawn_policy::DynamicSpawnPolicy (line 44) ... ok
[INFO] [stdout] test src/spawn_policy.rs - spawn_policy::ManualSpawnPolicy (line 172) ... ok
[INFO] [stdout] test src/lib.rs - TaskQueue::enqueue (line 93) ... ok
[INFO] [stdout] test src/lib.rs - TaskQueue::stop_immediately (line 246) ... ok
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/lib.rs - TaskQueue::stop_wait (line 212) ... ok
[INFO] [stdout] test src/spawn_policy.rs - spawn_policy::StaticSpawnPolicy (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "45d384d02ba12a4c776b44db3b97fd618d2de78edfb1655f9bc88602d55a617f"`
[INFO] running `"docker" "rm" "-f" "45d384d02ba12a4c776b44db3b97fd618d2de78edfb1655f9bc88602d55a617f"`
[INFO] [stdout] 45d384d02ba12a4c776b44db3b97fd618d2de78edfb1655f9bc88602d55a617f