[INFO] crate piston-binpool 0.1.0 is already in cache
[INFO] checking piston-binpool-0.1.0 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate piston-binpool 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate piston-binpool 0.1.0 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate piston-binpool 0.1.0
[INFO] finished tweaking crates.io crate piston-binpool 0.1.0
[INFO] tweaked toml for crates.io crate piston-binpool 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 591c9cef60103a532ff003abc4c7b00ad07f2a5fa7156c6b0fe322a33603a6f3
[INFO] running `"docker" "start" "-a" "591c9cef60103a532ff003abc4c7b00ad07f2a5fa7156c6b0fe322a33603a6f3"`
[INFO] [stderr]     Checking piston-binpool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 286 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 298 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:306:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 306 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:320:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 320 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 332 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:346:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 346 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 358 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 369 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:397:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 397 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:409:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 409 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 286 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 298 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:306:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 306 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:320:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 320 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 332 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:346:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 346 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 358 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 369 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:397:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 397 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Scalar` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:409:13
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub use read_write::{Array, Matrix, Vector, Scalar};
[INFO] [stderr]     |                                             ------ the item `Scalar` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 409 |         use read_write::Scalar;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "591c9cef60103a532ff003abc4c7b00ad07f2a5fa7156c6b0fe322a33603a6f3"`
[INFO] running `"docker" "rm" "-f" "591c9cef60103a532ff003abc4c7b00ad07f2a5fa7156c6b0fe322a33603a6f3"`
[INFO] [stdout] 591c9cef60103a532ff003abc4c7b00ad07f2a5fa7156c6b0fe322a33603a6f3