[INFO] crate possibly_uninit 0.1.0-preview is already in cache
[INFO] testing possibly_uninit-0.1.0-preview against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate possibly_uninit 0.1.0-preview into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate possibly_uninit 0.1.0-preview on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate possibly_uninit 0.1.0-preview
[INFO] finished tweaking crates.io crate possibly_uninit 0.1.0-preview
[INFO] tweaked toml for crates.io crate possibly_uninit 0.1.0-preview written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4717756df2a9d3ff4ecdf50bd09cd07d7d108a87195ff37c9cd3bb72314f9a9
[INFO] running `"docker" "start" "-a" "c4717756df2a9d3ff4ecdf50bd09cd07d7d108a87195ff37c9cd3bb72314f9a9"`
[INFO] [stderr]    Compiling possibly_uninit v0.1.0-preview (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "c4717756df2a9d3ff4ecdf50bd09cd07d7d108a87195ff37c9cd3bb72314f9a9"`
[INFO] running `"docker" "rm" "-f" "c4717756df2a9d3ff4ecdf50bd09cd07d7d108a87195ff37c9cd3bb72314f9a9"`
[INFO] [stdout] c4717756df2a9d3ff4ecdf50bd09cd07d7d108a87195ff37c9cd3bb72314f9a9
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca708a8ac12c2ad326e5f9a5c296e2add38093aa7488717ad01ed0e1d29ceff9
[INFO] running `"docker" "start" "-a" "ca708a8ac12c2ad326e5f9a5c296e2add38093aa7488717ad01ed0e1d29ceff9"`
[INFO] [stderr]    Compiling possibly_uninit v0.1.0-preview (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "ca708a8ac12c2ad326e5f9a5c296e2add38093aa7488717ad01ed0e1d29ceff9"`
[INFO] running `"docker" "rm" "-f" "ca708a8ac12c2ad326e5f9a5c296e2add38093aa7488717ad01ed0e1d29ceff9"`
[INFO] [stdout] ca708a8ac12c2ad326e5f9a5c296e2add38093aa7488717ad01ed0e1d29ceff9
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19d473ce5949f933745dcb27362ca1cfa10622083202fed507268e089585b82b
[INFO] running `"docker" "start" "-a" "19d473ce5949f933745dcb27362ca1cfa10622083202fed507268e089585b82b"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/possibly_uninit-fbb6b29ff9602b1c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests possibly_uninit
[INFO] [stdout] running 2 tests
[INFO] [stdout] test slice::cursor::test::arr ... ok
[INFO] [stdout] test slice::cursor::test::slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - RefMut (line 52) ... ok
[INFO] [stdout] test src/slice/mod.rs - slice::MaybeUninitSlice (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "19d473ce5949f933745dcb27362ca1cfa10622083202fed507268e089585b82b"`
[INFO] running `"docker" "rm" "-f" "19d473ce5949f933745dcb27362ca1cfa10622083202fed507268e089585b82b"`
[INFO] [stdout] 19d473ce5949f933745dcb27362ca1cfa10622083202fed507268e089585b82b