[INFO] crate af_unix 0.1.0 is already in cache
[INFO] extracting crate af_unix 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/af_unix/0.1.0
[INFO] extracting crate af_unix 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/af_unix/0.1.0
[INFO] validating manifest of af_unix-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of af_unix-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing af_unix-0.1.0
[INFO] finished frobbing af_unix-0.1.0
[INFO] frobbed toml for af_unix-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/af_unix/0.1.0/Cargo.toml
[INFO] started frobbing af_unix-0.1.0
[INFO] finished frobbing af_unix-0.1.0
[INFO] frobbed toml for af_unix-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/af_unix/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing af_unix-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/af_unix/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d9f2e957a526656224c6d110908aea79522f90c351ec4d46f7f5fce0fb67d374
[INFO] running `"docker" "start" "-a" "d9f2e957a526656224c6d110908aea79522f90c351ec4d46f7f5fce0fb67d374"`
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling af_unix v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> src/lib.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | #![feature(core)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::intrinsics;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::intrinsics::init': superseded by MaybeUninit, removal planned
[INFO] [stderr]   --> src/lib.rs:63:56
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut storage: libc::sockaddr_storage = unsafe { intrinsics::init() };
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stderr]   --> src/lib.rs:63:56
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let mut storage: libc::sockaddr_storage = unsafe { intrinsics::init() };
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::intrinsics::init': superseded by MaybeUninit, removal planned
[INFO] [stderr]    --> src/lib.rs:176:60
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut storage: libc::sockaddr_storage = unsafe { intrinsics::init() };
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stderr]    --> src/lib.rs:176:60
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut storage: libc::sockaddr_storage = unsafe { intrinsics::init() };
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `af_unix`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d9f2e957a526656224c6d110908aea79522f90c351ec4d46f7f5fce0fb67d374"`
[INFO] running `"docker" "rm" "-f" "d9f2e957a526656224c6d110908aea79522f90c351ec4d46f7f5fce0fb67d374"`
[INFO] [stdout] d9f2e957a526656224c6d110908aea79522f90c351ec4d46f7f5fce0fb67d374