[INFO] crate mempool 0.3.1 is already in cache
[INFO] extracting crate mempool 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/mempool/0.3.1
[INFO] extracting crate mempool 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mempool/0.3.1
[INFO] validating manifest of mempool-0.3.1 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 mempool-0.3.1 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 mempool-0.3.1
[INFO] finished frobbing mempool-0.3.1
[INFO] frobbed toml for mempool-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/mempool/0.3.1/Cargo.toml
[INFO] started frobbing mempool-0.3.1
[INFO] finished frobbing mempool-0.3.1
[INFO] frobbed toml for mempool-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mempool/0.3.1/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] testing mempool-0.3.1 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/mempool/0.3.1:/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] 5ebd6e27803dd138b2e2dddadc16b67c407d55e19a52e440b45c73b53201cdbf
[INFO] running `"docker" "start" "-a" "5ebd6e27803dd138b2e2dddadc16b67c407d55e19a52e440b45c73b53201cdbf"`
[INFO] [stderr]    Compiling mempool v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type CreateFn<T> = Box<Fn() -> T + Send + Sync + 'static>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T + Send + Sync + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 | static COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "5ebd6e27803dd138b2e2dddadc16b67c407d55e19a52e440b45c73b53201cdbf"`
[INFO] running `"docker" "rm" "-f" "5ebd6e27803dd138b2e2dddadc16b67c407d55e19a52e440b45c73b53201cdbf"`
[INFO] [stdout] 5ebd6e27803dd138b2e2dddadc16b67c407d55e19a52e440b45c73b53201cdbf
[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/mempool/0.3.1:/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] cfe3daf6bd040ec9cd767945ee39954ace549ddd15d8f1f87cacee5b399eb889
[INFO] running `"docker" "start" "-a" "cfe3daf6bd040ec9cd767945ee39954ace549ddd15d8f1f87cacee5b399eb889"`
[INFO] [stderr]    Compiling syncbox v0.2.4
[INFO] [stderr]    Compiling mempool v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type CreateFn<T> = Box<Fn() -> T + Send + Sync + 'static>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T + Send + Sync + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 | static COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "cfe3daf6bd040ec9cd767945ee39954ace549ddd15d8f1f87cacee5b399eb889"`
[INFO] running `"docker" "rm" "-f" "cfe3daf6bd040ec9cd767945ee39954ace549ddd15d8f1f87cacee5b399eb889"`
[INFO] [stdout] cfe3daf6bd040ec9cd767945ee39954ace549ddd15d8f1f87cacee5b399eb889
[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/mempool/0.3.1:/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] e06e8125bdf6918153f8086d9e9d97171cb53d3189f868824453f7358984bf3e
[INFO] running `"docker" "start" "-a" "e06e8125bdf6918153f8086d9e9d97171cb53d3189f868824453f7358984bf3e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mempool-4e3e8974710dc8cd
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::is_sync ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::reuse ... ok
[INFO] [stdout] test tests::no_reuse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mempool
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e06e8125bdf6918153f8086d9e9d97171cb53d3189f868824453f7358984bf3e"`
[INFO] running `"docker" "rm" "-f" "e06e8125bdf6918153f8086d9e9d97171cb53d3189f868824453f7358984bf3e"`
[INFO] [stdout] e06e8125bdf6918153f8086d9e9d97171cb53d3189f868824453f7358984bf3e