[INFO] fetching crate proptest-quickcheck-interop 2.0.0...
[INFO] testing proptest-quickcheck-interop-2.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate proptest-quickcheck-interop 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate proptest-quickcheck-interop 2.0.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate proptest-quickcheck-interop 2.0.0
[INFO] finished tweaking crates.io crate proptest-quickcheck-interop 2.0.0
[INFO] tweaked toml for crates.io crate proptest-quickcheck-interop 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0cf5b2d2bd58d1cf18b76a931bc5ebbd39fac79e7ae61555763bb6057a60233
[INFO] running `"docker" "start" "-a" "d0cf5b2d2bd58d1cf18b76a931bc5ebbd39fac79e7ae61555763bb6057a60233"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling proptest v0.4.2
[INFO] [stderr]    Compiling proptest-quickcheck-interop v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     shrinker: Box<Iterator<Item = A>>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn new(curr: A, shrinker: Box<Iterator<Item = A>>) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `"docker" "inspect" "d0cf5b2d2bd58d1cf18b76a931bc5ebbd39fac79e7ae61555763bb6057a60233"`
[INFO] running `"docker" "rm" "-f" "d0cf5b2d2bd58d1cf18b76a931bc5ebbd39fac79e7ae61555763bb6057a60233"`
[INFO] [stdout] d0cf5b2d2bd58d1cf18b76a931bc5ebbd39fac79e7ae61555763bb6057a60233
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2a9228b84181d980d25d6c57c0ce5c37ea24370d8bc5b40c36c1817ce62af6f
[INFO] running `"docker" "start" "-a" "e2a9228b84181d980d25d6c57c0ce5c37ea24370d8bc5b40c36c1817ce62af6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proptest-quickcheck-interop v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     shrinker: Box<Iterator<Item = A>>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn new(curr: A, shrinker: Box<Iterator<Item = A>>) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     shrinker: Box<Iterator<Item = A>>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn new(curr: A, shrinker: Box<Iterator<Item = A>>) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "e2a9228b84181d980d25d6c57c0ce5c37ea24370d8bc5b40c36c1817ce62af6f"`
[INFO] running `"docker" "rm" "-f" "e2a9228b84181d980d25d6c57c0ce5c37ea24370d8bc5b40c36c1817ce62af6f"`
[INFO] [stdout] e2a9228b84181d980d25d6c57c0ce5c37ea24370d8bc5b40c36c1817ce62af6f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb95ebe1893b28e9626a8c833049bfd68c1666f4b44a522fcbc46df0fbb3af58
[INFO] running `"docker" "start" "-a" "fb95ebe1893b28e9626a8c833049bfd68c1666f4b44a522fcbc46df0fbb3af58"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     shrinker: Box<Iterator<Item = A>>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn new(curr: A, shrinker: Box<Iterator<Item = A>>) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     shrinker: Box<Iterator<Item = A>>
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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:229:35
[INFO] [stderr]     |
[INFO] [stderr] 229 |     fn new(curr: A, shrinker: Box<Iterator<Item = A>>) -> Self {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proptest_quickcheck_interop-4d82bcb1cb546719
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::contract_followed_by_qc_strategy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proptest-quickcheck-interop
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 60) ... 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" "fb95ebe1893b28e9626a8c833049bfd68c1666f4b44a522fcbc46df0fbb3af58"`
[INFO] running `"docker" "rm" "-f" "fb95ebe1893b28e9626a8c833049bfd68c1666f4b44a522fcbc46df0fbb3af58"`
[INFO] [stdout] fb95ebe1893b28e9626a8c833049bfd68c1666f4b44a522fcbc46df0fbb3af58