[INFO] fetching crate libheif-rs 0.7.0...
[INFO] checking libheif-rs-0.7.0 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] extracting crate libheif-rs 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libheif-rs 0.7.0 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libheif-rs 0.7.0
[INFO] finished tweaking crates.io crate libheif-rs 0.7.0
[INFO] tweaked toml for crates.io crate libheif-rs 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] a9acdb4e0f3319510aff31dc6f3a7cd9daccbc60de93aefb0e12a556bce27602
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a9acdb4e0f3319510aff31dc6f3a7cd9daccbc60de93aefb0e12a556bce27602"`
[INFO] [stderr]    Compiling libheif-sys v1.5.0
[INFO] [stderr]     Checking kamadak-exif v0.3.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking libheif-rs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/context.rs:127:56
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let mut c_encoder = MaybeUninit::<_>::uninit();;
[INFO] [stderr]     |                                                        ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/context.rs:127:56
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let mut c_encoder = MaybeUninit::<_>::uninit();;
[INFO] [stderr]     |                                                        ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exif`
[INFO] [stderr]    --> tests/read_test.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |     let exif: Vec<u8> = handle.metadata(meta_ids[0])?;
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_exif`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `"docker" "inspect" "a9acdb4e0f3319510aff31dc6f3a7cd9daccbc60de93aefb0e12a556bce27602"`
[INFO] running `"docker" "rm" "-f" "a9acdb4e0f3319510aff31dc6f3a7cd9daccbc60de93aefb0e12a556bce27602"`
[INFO] [stdout] a9acdb4e0f3319510aff31dc6f3a7cd9daccbc60de93aefb0e12a556bce27602