[INFO] fetching crate solana_libra_proptest_helpers 0.0.1-sol5...
[INFO] checking solana_libra_proptest_helpers-0.0.1-sol5 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate solana_libra_proptest_helpers 0.0.1-sol5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate solana_libra_proptest_helpers 0.0.1-sol5 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d791e89c061f3ab193d9ab9fa9b10cff51e461d5311329a235ad7ad7a8b1170c
[INFO] running `Command { std: "docker" "start" "-a" "d791e89c061f3ab193d9ab9fa9b10cff51e461d5311329a235ad7ad7a8b1170c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d791e89c061f3ab193d9ab9fa9b10cff51e461d5311329a235ad7ad7a8b1170c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d791e89c061f3ab193d9ab9fa9b10cff51e461d5311329a235ad7ad7a8b1170c", kill_on_drop: false }`
[INFO] [stdout] d791e89c061f3ab193d9ab9fa9b10cff51e461d5311329a235ad7ad7a8b1170c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35bd80572a076c5eb463079359dc2f5bac70ca25fc1e8a35779464825db9b57c
[INFO] running `Command { std: "docker" "start" "-a" "35bd80572a076c5eb463079359dc2f5bac70ca25fc1e8a35779464825db9b57c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking 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 dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "35bd80572a076c5eb463079359dc2f5bac70ca25fc1e8a35779464825db9b57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bd80572a076c5eb463079359dc2f5bac70ca25fc1e8a35779464825db9b57c", kill_on_drop: false }`
[INFO] [stdout] 35bd80572a076c5eb463079359dc2f5bac70ca25fc1e8a35779464825db9b57c