[INFO] fetching crate annoy-rs 0.1.0...
[INFO] checking annoy-rs-0.1.0 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate annoy-rs 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate annoy-rs 0.1.0 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate annoy-rs 0.1.0
[INFO] finished tweaking crates.io crate annoy-rs 0.1.0
[INFO] tweaked toml for crates.io crate annoy-rs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7952940a07ba4edf93e17e8c23956e20479e43916959a0170d074895aeed7d51
[INFO] running `Command { std: "docker" "start" "-a" "7952940a07ba4edf93e17e8c23956e20479e43916959a0170d074895aeed7d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7952940a07ba4edf93e17e8c23956e20479e43916959a0170d074895aeed7d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7952940a07ba4edf93e17e8c23956e20479e43916959a0170d074895aeed7d51", kill_on_drop: false }`
[INFO] [stdout] 7952940a07ba4edf93e17e8c23956e20479e43916959a0170d074895aeed7d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8f08c68b93b568f5345de481fc8dcb9c898ea44ce2744a94b4593d779d64de
[INFO] running `Command { std: "docker" "start" "-a" "0b8f08c68b93b568f5345de481fc8dcb9c898ea44ce2744a94b4593d779d64de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking annoy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hashbrown::HashSet`
[INFO] [stdout]  --> src/types/serving/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hashbrown::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/c_ffi/mod.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         unsafe { Box::from_raw(index as *mut AnnoyIndex); }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         unsafe { let _ = Box::from_raw(index as *mut AnnoyIndex); }
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/c_ffi/mod.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { Box::from_raw(search_result_ptr as *mut AnnoyIndexSearchResult); }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { let _ = Box::from_raw(search_result_ptr as *mut AnnoyIndexSearchResult); }
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: unused import: `crate::tests::*`
[INFO] [stdout]    --> src/types/utils.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     use crate::tests::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashbrown::HashSet`
[INFO] [stdout]  --> src/types/serving/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hashbrown::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/c_ffi/mod.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         unsafe { Box::from_raw(index as *mut AnnoyIndex); }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         unsafe { let _ = Box::from_raw(index as *mut AnnoyIndex); }
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/c_ffi/mod.rs:96:18
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { Box::from_raw(search_result_ptr as *mut AnnoyIndexSearchResult); }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { let _ = Box::from_raw(search_result_ptr as *mut AnnoyIndexSearchResult); }
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "0b8f08c68b93b568f5345de481fc8dcb9c898ea44ce2744a94b4593d779d64de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8f08c68b93b568f5345de481fc8dcb9c898ea44ce2744a94b4593d779d64de", kill_on_drop: false }`
[INFO] [stdout] 0b8f08c68b93b568f5345de481fc8dcb9c898ea44ce2744a94b4593d779d64de
