[INFO] fetching crate solana_libra_proptest_helpers 0.0.1-sol5...
[INFO] testing solana_libra_proptest_helpers-0.0.1-sol5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate solana_libra_proptest_helpers 0.0.1-sol5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate solana_libra_proptest_helpers 0.0.1-sol5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana_libra_proptest_helpers 0.0.1-sol5
[INFO] finished tweaking crates.io crate solana_libra_proptest_helpers 0.0.1-sol5
[INFO] tweaked toml for crates.io crate solana_libra_proptest_helpers 0.0.1-sol5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a6551e8f0c8df00d87c2ad8e3967f81b652097061149f1e68773c79eebd08b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83a6551e8f0c8df00d87c2ad8e3967f81b652097061149f1e68773c79eebd08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a6551e8f0c8df00d87c2ad8e3967f81b652097061149f1e68773c79eebd08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a6551e8f0c8df00d87c2ad8e3967f81b652097061149f1e68773c79eebd08b", kill_on_drop: false }`
[INFO] [stdout] 83a6551e8f0c8df00d87c2ad8e3967f81b652097061149f1e68773c79eebd08b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d6c47800141a2d6552225474a8073b3b0208d95b67839996c89e4af5053b8de
[INFO] running `Command { std: "docker" "start" "-a" "0d6c47800141a2d6552225474a8073b3b0208d95b67839996c89e4af5053b8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling solana_libra_proptest_helpers v0.0.1-sol5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.26s
[INFO] running `Command { std: "docker" "inspect" "0d6c47800141a2d6552225474a8073b3b0208d95b67839996c89e4af5053b8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6c47800141a2d6552225474a8073b3b0208d95b67839996c89e4af5053b8de", kill_on_drop: false }`
[INFO] [stdout] 0d6c47800141a2d6552225474a8073b3b0208d95b67839996c89e4af5053b8de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 440035d2586597942789d0a6134e94b5734c3e19e4c59901d1b0ae5aaaad1a7b
[INFO] running `Command { std: "docker" "start" "-a" "440035d2586597942789d0a6134e94b5734c3e19e4c59901d1b0ae5aaaad1a7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling solana_libra_proptest_helpers v0.0.1-sol5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unit_tests/repeat_vec_tests.rs:136:23
[INFO] [stdout]     |
[INFO] [stdout] 136 |         Self::next as (fn() -> Self)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/unit_tests/repeat_vec_tests.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         mem::replace(&mut self.items, new_items);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "440035d2586597942789d0a6134e94b5734c3e19e4c59901d1b0ae5aaaad1a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440035d2586597942789d0a6134e94b5734c3e19e4c59901d1b0ae5aaaad1a7b", kill_on_drop: false }`
[INFO] [stdout] 440035d2586597942789d0a6134e94b5734c3e19e4c59901d1b0ae5aaaad1a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dbfa6f97386d28caa993cd0602e6a7b3e4e6e043d013e29266306b54dd49fe03
[INFO] running `Command { std: "docker" "start" "-a" "dbfa6f97386d28caa993cd0602e6a7b3e4e6e043d013e29266306b54dd49fe03", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/unit_tests/repeat_vec_tests.rs:136:23
[INFO] [stderr]     |
[INFO] [stderr] 136 |         Self::next as (fn() -> Self)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/unit_tests/repeat_vec_tests.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         mem::replace(&mut self.items, new_items);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/solana_libra_proptest_helpers-b18d70e7f4183b0d
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test unit_tests::repeat_vec_tests::basic_ops ... ok
[INFO] [stdout] test unit_tests::repeat_vec_tests::counter_uniqueness ... ok
[INFO] [stdout] test unit_tests::pick_idx_tests::bounds ... ok
[INFO] [stdout] test unit_tests::pick_idx_tests::length ... ok
[INFO] [stdout] test unit_tests::pick_idx_tests::uniqueness ... ok
[INFO] [stdout] test unit_tests::repeat_vec_tests::repeat_vec_all_ops ... ok
[INFO] [stdout] test unit_tests::growing_subset_tests::max_len ... ok
[INFO] [stdout] test unit_tests::growing_subset_tests::pick_valid ... ok
[INFO] [stderr]    Doc-tests solana_libra_proptest_helpers
[INFO] [stdout] test unit_tests::repeat_vec_tests::repeat_vec_gets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/repeat_vec.rs - repeat_vec::RepeatVec<T>::is_empty (line 80) ... ok
[INFO] [stdout] test src/repeat_vec.rs - repeat_vec::RepeatVec (line 35) ... ok
[INFO] [stdout] test src/growing_subset.rs - growing_subset::GrowingSubset (line 17) ... ok
[INFO] [stdout] test src/repeat_vec.rs - repeat_vec::RepeatVec (line 20) ... ok
[INFO] [stdout] test src/lib.rs - with_stack_size (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbfa6f97386d28caa993cd0602e6a7b3e4e6e043d013e29266306b54dd49fe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbfa6f97386d28caa993cd0602e6a7b3e4e6e043d013e29266306b54dd49fe03", kill_on_drop: false }`
[INFO] [stdout] dbfa6f97386d28caa993cd0602e6a7b3e4e6e043d013e29266306b54dd49fe03
