[INFO] fetching crate solana_libra_proptest_helpers 0.0.1-sol5...
[INFO] testing solana_libra_proptest_helpers-0.0.1-sol5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate solana_libra_proptest_helpers 0.0.1-sol5 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate solana_libra_proptest_helpers 0.0.1-sol5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0223ea573415f3697218883bd66e11d6af030cbd8e66b1ce1bea1f10cf8c2830
[INFO] running `Command { std: "docker" "start" "-a" "0223ea573415f3697218883bd66e11d6af030cbd8e66b1ce1bea1f10cf8c2830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0223ea573415f3697218883bd66e11d6af030cbd8e66b1ce1bea1f10cf8c2830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0223ea573415f3697218883bd66e11d6af030cbd8e66b1ce1bea1f10cf8c2830", kill_on_drop: false }`
[INFO] [stdout] 0223ea573415f3697218883bd66e11d6af030cbd8e66b1ce1bea1f10cf8c2830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50bf278b85161316202142f2e349c47e9c79174f831e59cdcb576911c96b424
[INFO] running `Command { std: "docker" "start" "-a" "e50bf278b85161316202142f2e349c47e9c79174f831e59cdcb576911c96b424", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[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 7.10s
[INFO] running `Command { std: "docker" "inspect" "e50bf278b85161316202142f2e349c47e9c79174f831e59cdcb576911c96b424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50bf278b85161316202142f2e349c47e9c79174f831e59cdcb576911c96b424", kill_on_drop: false }`
[INFO] [stdout] e50bf278b85161316202142f2e349c47e9c79174f831e59cdcb576911c96b424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d39bd8f1ff052ded8ce3d6334f9fcc637e73c2b9affcafbc50fe55e27b45f9
[INFO] running `Command { std: "docker" "start" "-a" "27d39bd8f1ff052ded8ce3d6334f9fcc637e73c2b9affcafbc50fe55e27b45f9", 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]     |                       ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -         Self::next as (fn() -> Self)
[INFO] [stdout] 136 +         Self::next as fn() -> Self
[INFO] [stdout]     | 
[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 3.67s
[INFO] running `Command { std: "docker" "inspect" "27d39bd8f1ff052ded8ce3d6334f9fcc637e73c2b9affcafbc50fe55e27b45f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d39bd8f1ff052ded8ce3d6334f9fcc637e73c2b9affcafbc50fe55e27b45f9", kill_on_drop: false }`
[INFO] [stdout] 27d39bd8f1ff052ded8ce3d6334f9fcc637e73c2b9affcafbc50fe55e27b45f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a804b5bd0dd4749171463488aa96b9481d50c1d41ff29ce782485275053bb3eb
[INFO] running `Command { std: "docker" "start" "-a" "a804b5bd0dd4749171463488aa96b9481d50c1d41ff29ce782485275053bb3eb", 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]     |                       ^            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 136 -         Self::next as (fn() -> Self)
[INFO] [stderr] 136 +         Self::next as fn() -> Self
[INFO] [stderr]     | 
[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: `solana_libra_proptest_helpers` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solana_libra_proptest_helpers-0af835d5da5e5c52)
[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] [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; finished in 3.66s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solana_libra_proptest_helpers
[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/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/repeat_vec.rs - repeat_vec::RepeatVec (line 35) ... 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; finished in 1.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a804b5bd0dd4749171463488aa96b9481d50c1d41ff29ce782485275053bb3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a804b5bd0dd4749171463488aa96b9481d50c1d41ff29ce782485275053bb3eb", kill_on_drop: false }`
[INFO] [stdout] a804b5bd0dd4749171463488aa96b9481d50c1d41ff29ce782485275053bb3eb