[INFO] crate proptest-recurse 0.2.0 is already in cache
[INFO] extracting crate proptest-recurse 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/proptest-recurse/0.2.0
[INFO] extracting crate proptest-recurse 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/proptest-recurse/0.2.0
[INFO] validating manifest of proptest-recurse-0.2.0 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 proptest-recurse-0.2.0 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 proptest-recurse-0.2.0
[INFO] finished frobbing proptest-recurse-0.2.0
[INFO] frobbed toml for proptest-recurse-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/proptest-recurse/0.2.0/Cargo.toml
[INFO] started frobbing proptest-recurse-0.2.0
[INFO] finished frobbing proptest-recurse-0.2.0
[INFO] frobbed toml for proptest-recurse-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/proptest-recurse/0.2.0/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 proptest-recurse-0.2.0 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/proptest-recurse/0.2.0:/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] f22990fa4134c51aaa6828e45d82b2a2dbf03df5e831648f436c6be333ff97e4
[INFO] running `"docker" "start" "-a" "f22990fa4134c51aaa6828e45d82b2a2dbf03df5e831648f436c6be333ff97e4"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling proptest-recurse v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:32
[INFO] [stderr]     |
[INFO] [stderr] 136 |     inner: HashMap<TypeId, Arc<Any + Send + Sync>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.79s
[INFO] running `"docker" "inspect" "f22990fa4134c51aaa6828e45d82b2a2dbf03df5e831648f436c6be333ff97e4"`
[INFO] running `"docker" "rm" "-f" "f22990fa4134c51aaa6828e45d82b2a2dbf03df5e831648f436c6be333ff97e4"`
[INFO] [stdout] f22990fa4134c51aaa6828e45d82b2a2dbf03df5e831648f436c6be333ff97e4
[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/proptest-recurse/0.2.0:/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] 41742478ed14517fddf8b91f5f722d5e7cbde515a398f21b1424e863fbd060c3
[INFO] running `"docker" "start" "-a" "41742478ed14517fddf8b91f5f722d5e7cbde515a398f21b1424e863fbd060c3"`
[INFO] [stderr]    Compiling proptest-recurse v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:136:32
[INFO] [stderr]     |
[INFO] [stderr] 136 |     inner: HashMap<TypeId, Arc<Any + Send + Sync>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `"docker" "inspect" "41742478ed14517fddf8b91f5f722d5e7cbde515a398f21b1424e863fbd060c3"`
[INFO] running `"docker" "rm" "-f" "41742478ed14517fddf8b91f5f722d5e7cbde515a398f21b1424e863fbd060c3"`
[INFO] [stdout] 41742478ed14517fddf8b91f5f722d5e7cbde515a398f21b1424e863fbd060c3
[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/proptest-recurse/0.2.0:/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] 62ed23197507b9df1e29f6dadaa2f9e86da8fcfaae71c958da526facee578646
[INFO] running `"docker" "start" "-a" "62ed23197507b9df1e29f6dadaa2f9e86da8fcfaae71c958da526facee578646"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/proptest_recurse-f2e60e15f2ea6ea1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test strategy_set_send_sync ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mutual-60ba0a49827ddc9b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test create_first ... ok
[INFO] [stdout] test create_second ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proptest-recurse
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/lib.rs -  (line 70) ... ok
[INFO] [stdout] test src/lib.rs -  (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "62ed23197507b9df1e29f6dadaa2f9e86da8fcfaae71c958da526facee578646"`
[INFO] running `"docker" "rm" "-f" "62ed23197507b9df1e29f6dadaa2f9e86da8fcfaae71c958da526facee578646"`
[INFO] [stdout] 62ed23197507b9df1e29f6dadaa2f9e86da8fcfaae71c958da526facee578646