[INFO] crate workpool 0.1.1 is already in cache
[INFO] extracting crate workpool 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/workpool/0.1.1
[INFO] extracting crate workpool 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/workpool/0.1.1
[INFO] validating manifest of workpool-0.1.1 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 workpool-0.1.1 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 workpool-0.1.1
[INFO] finished frobbing workpool-0.1.1
[INFO] frobbed toml for workpool-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/workpool/0.1.1/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 workpool-0.1.1 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 707909e1cf68b25232103ae98efcbb702e6c9d467d807c7aff5122d4bb2a500d
[INFO] running `"docker" "start" "-a" "707909e1cf68b25232103ae98efcbb702e6c9d467d807c7aff5122d4bb2a500d"`
[INFO] [stderr]    Compiling published_value v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[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 4.65s
[INFO] running `"docker" "inspect" "707909e1cf68b25232103ae98efcbb702e6c9d467d807c7aff5122d4bb2a500d"`
[INFO] running `"docker" "rm" "-f" "707909e1cf68b25232103ae98efcbb702e6c9d467d807c7aff5122d4bb2a500d"`
[INFO] [stdout] 707909e1cf68b25232103ae98efcbb702e6c9d467d807c7aff5122d4bb2a500d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3ff15b65034fe7c00abb4232c4e26caaf0d34a80ed5859aeaf0a304f1b909b40
[INFO] running `"docker" "start" "-a" "3ff15b65034fe7c00abb4232c4e26caaf0d34a80ed5859aeaf0a304f1b909b40"`
[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 3.57s
[INFO] running `"docker" "inspect" "3ff15b65034fe7c00abb4232c4e26caaf0d34a80ed5859aeaf0a304f1b909b40"`
[INFO] running `"docker" "rm" "-f" "3ff15b65034fe7c00abb4232c4e26caaf0d34a80ed5859aeaf0a304f1b909b40"`
[INFO] [stdout] 3ff15b65034fe7c00abb4232c4e26caaf0d34a80ed5859aeaf0a304f1b909b40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c6ddcd52110db81a39db8395d1afd196b33a23dc78aeb17266d18e5fa3d75463
[INFO] running `"docker" "start" "-a" "c6ddcd52110db81a39db8395d1afd196b33a23dc78aeb17266d18e5fa3d75463"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/workpool-7f4ed63916f9c7f6
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[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::wait_handle ... ok
[INFO] [stdout] test pool::dynamic_pool::tests::forget_to_wait_on_wait_handle ... ok
[INFO] [stdout] test pool::static_pool::tests::wait_handle ... ok
[INFO] [stdout] test pool::static_pool::tests::basic ... ok
[INFO] [stdout] test pool::static_pool::tests::forget_to_wait ... ok
[INFO] [stdout] test reducer::tests::collect_results_ok ... ok
[INFO] [stdout] test reducer::tests::dropped_without_output ... ok
[INFO] [stdout] test pool::static_pool::tests::forget_to_wait_on_wait_handle ... ok
[INFO] [stdout] test pool::static_pool::tests::collect_into_vec ... ok
[INFO] [stdout] test reducer::tests::collect_results_err ... ok
[INFO] [stdout] test reducer::tests::collect_hashmap ... ok
[INFO] [stdout] test reducer::tests::collect_vec ... ok
[INFO] [stdout] test pool::dynamic_pool::tests::collect_into_vec ... 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" "c6ddcd52110db81a39db8395d1afd196b33a23dc78aeb17266d18e5fa3d75463"`
[INFO] running `"docker" "rm" "-f" "c6ddcd52110db81a39db8395d1afd196b33a23dc78aeb17266d18e5fa3d75463"`
[INFO] [stdout] c6ddcd52110db81a39db8395d1afd196b33a23dc78aeb17266d18e5fa3d75463