[INFO] crate workpool 0.1.1 is already in cache
[INFO] extracting crate workpool 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/workpool/0.1.1
[INFO] extracting crate workpool 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/workpool/0.1.1
[INFO] validating manifest of workpool-0.1.1 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 workpool-0.1.1 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 workpool-0.1.1
[INFO] finished frobbing workpool-0.1.1
[INFO] frobbed toml for workpool-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/workpool/0.1.1/Cargo.toml
[INFO] started frobbing workpool-0.1.1
[INFO] finished frobbing workpool-0.1.1
[INFO] frobbed toml for workpool-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/workpool/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing workpool-0.1.1 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-6/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/workpool/0.1.1:/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] ec1774079071cab04237f639a0262e6359f503bacf2b5845a03943737c689fdd
[INFO] running `"docker" "start" "-a" "ec1774079071cab04237f639a0262e6359f503bacf2b5845a03943737c689fdd"`
[INFO] [stderr]    Compiling published_value v0.1.2
[INFO] [stderr]    Compiling workpool v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/pool/dynamic_pool.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |     thread_creator: Option<Box<Fn() -> JoinOnDrop<()>>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> JoinOnDrop<()>`
[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/pool/dynamic_pool.rs:205:40
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let thread_creator: Option<Box<Fn() -> JoinOnDrop<()>>> = Some(Box::new(move || {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> JoinOnDrop<()>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "ec1774079071cab04237f639a0262e6359f503bacf2b5845a03943737c689fdd"`
[INFO] running `"docker" "rm" "-f" "ec1774079071cab04237f639a0262e6359f503bacf2b5845a03943737c689fdd"`
[INFO] [stdout] ec1774079071cab04237f639a0262e6359f503bacf2b5845a03943737c689fdd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/workpool/0.1.1:/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] 838f0c175eab9d245a5c2ce1880f3f1e8fc4b1843fcdefc556300860029c05c0
[INFO] running `"docker" "start" "-a" "838f0c175eab9d245a5c2ce1880f3f1e8fc4b1843fcdefc556300860029c05c0"`
[INFO] [stderr]    Compiling workpool v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/pool/dynamic_pool.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |     thread_creator: Option<Box<Fn() -> JoinOnDrop<()>>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> JoinOnDrop<()>`
[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/pool/dynamic_pool.rs:205:40
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let thread_creator: Option<Box<Fn() -> JoinOnDrop<()>>> = Some(Box::new(move || {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> JoinOnDrop<()>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `"docker" "inspect" "838f0c175eab9d245a5c2ce1880f3f1e8fc4b1843fcdefc556300860029c05c0"`
[INFO] running `"docker" "rm" "-f" "838f0c175eab9d245a5c2ce1880f3f1e8fc4b1843fcdefc556300860029c05c0"`
[INFO] [stdout] 838f0c175eab9d245a5c2ce1880f3f1e8fc4b1843fcdefc556300860029c05c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/workpool/0.1.1:/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] 754ffa5d6f29bc7965ff235228739241a20c2ff89cb508303e5b8ae4613223d1
[INFO] running `"docker" "start" "-a" "754ffa5d6f29bc7965ff235228739241a20c2ff89cb508303e5b8ae4613223d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/workpool-7bf8b7c4ceabf2db
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test pool::dynamic_pool::tests::wait_handle ... ok
[INFO] [stdout] test pool::dynamic_pool::tests::basic ... ok
[INFO] [stdout] test pool::dynamic_pool::tests::forget_to_wait ... ok
[INFO] [stdout] test pool::dynamic_pool::tests::forget_to_wait_on_wait_handle ... ok
[INFO] [stdout] test pool::static_pool::tests::forget_to_wait ... ok
[INFO] [stdout] test reducer::tests::collect_hashmap ... ok
[INFO] [stdout] test pool::static_pool::tests::basic ... ok
[INFO] [stdout] test reducer::tests::collect_results_err ... ok
[INFO] [stdout] test reducer::tests::collect_results_ok ... ok
[INFO] [stdout] test pool::static_pool::tests::collect_into_vec ... ok
[INFO] [stdout] test pool::static_pool::tests::wait_handle ... ok
[INFO] [stdout] test reducer::tests::collect_vec ... ok
[INFO] [stdout] test pool::static_pool::tests::forget_to_wait_on_wait_handle ... ok
[INFO] [stdout] test pool::dynamic_pool::tests::collect_into_vec ... ok
[INFO] [stdout] test reducer::tests::dropped_without_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests workpool
[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" "754ffa5d6f29bc7965ff235228739241a20c2ff89cb508303e5b8ae4613223d1"`
[INFO] running `"docker" "rm" "-f" "754ffa5d6f29bc7965ff235228739241a20c2ff89cb508303e5b8ae4613223d1"`
[INFO] [stdout] 754ffa5d6f29bc7965ff235228739241a20c2ff89cb508303e5b8ae4613223d1