[INFO] crate probabilistic-collections 0.5.0 is already in cache
[INFO] checking probabilistic-collections-0.5.0 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] extracting crate probabilistic-collections 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate probabilistic-collections 0.5.0 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate probabilistic-collections 0.5.0
[INFO] finished tweaking crates.io crate probabilistic-collections 0.5.0
[INFO] tweaked toml for crates.io crate probabilistic-collections 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] 92328e62440a70019167cb2360b79e86b67006fc897571e8d27feb93701d734c
[INFO] running `"docker" "start" "-a" "92328e62440a70019167cb2360b79e86b67006fc897571e8d27feb93701d734c"`
[INFO] [stderr]     Checking serde_test v1.0.101
[INFO] [stderr]     Checking probabilistic-collections v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `core::num::<impl u64>::rotate_left` that must be used
[INFO] [stderr]    --> src/similarity/sim_hash.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 sim_hash.0.rotate_left(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u64>::rotate_left` that must be used
[INFO] [stderr]    --> src/similarity/sim_hash.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 sim_hash.0.rotate_left(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "92328e62440a70019167cb2360b79e86b67006fc897571e8d27feb93701d734c"`
[INFO] running `"docker" "rm" "-f" "92328e62440a70019167cb2360b79e86b67006fc897571e8d27feb93701d734c"`
[INFO] [stdout] 92328e62440a70019167cb2360b79e86b67006fc897571e8d27feb93701d734c