[INFO] crate lzf 0.3.1 is already in cache [INFO] testing lzf-0.3.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate lzf 0.3.1 into work/builds/worker-5/source [INFO] validating manifest of crates.io crate lzf 0.3.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate lzf 0.3.1 [INFO] finished tweaking crates.io crate lzf 0.3.1 [INFO] tweaked toml for crates.io crate lzf 0.3.1 written to work/builds/worker-5/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 860692a1beecd828eafcb158d2739ecdd652d6e4f39fa04d84a8a2b53ac55ddc [INFO] running `"docker" "start" "-a" "860692a1beecd828eafcb158d2739ecdd652d6e4f39fa04d84a8a2b53ac55ddc"` [INFO] [stderr] Compiling lzf v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/compress.rs:58:48 [INFO] [stderr] | [INFO] [stderr] 58 | let mut htab : [usize; 1< src/compress.rs:58:48 [INFO] [stderr] | [INFO] [stderr] 58 | let mut htab : [usize; 1<