[INFO] updating cached repository FTP-rs/ftp-server-may-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FTP-rs/ftp-server-may-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FTP-rs/ftp-server-may-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/FTP-rs/ftp-server-may-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/FTP-rs/ftp-server-may-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FTP-rs/ftp-server-may-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/FTP-rs/ftp-server-may-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/FTP-rs/ftp-server-may-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] sha for GitHub repo FTP-rs/ftp-server-may-rs: 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] validating manifest of FTP-rs/ftp-server-may-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FTP-rs/ftp-server-may-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FTP-rs/ftp-server-may-rs
[INFO] finished frobbing FTP-rs/ftp-server-may-rs
[INFO] frobbed toml for FTP-rs/ftp-server-may-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/FTP-rs/ftp-server-may-rs/Cargo.toml
[INFO] started frobbing FTP-rs/ftp-server-may-rs
[INFO] finished frobbing FTP-rs/ftp-server-may-rs
[INFO] frobbed toml for FTP-rs/ftp-server-may-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/FTP-rs/ftp-server-may-rs/Cargo.toml
[INFO] crate FTP-rs/ftp-server-may-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking FTP-rs/ftp-server-may-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/FTP-rs/ftp-server-may-rs:/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=forbid" "-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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0354a64f3daaa39208734fae13973dd702c055fc732d0d41a05d5dc0503fc8c2
[INFO] running `"docker" "start" "-a" "0354a64f3daaa39208734fae13973dd702c055fc732d0d41a05d5dc0503fc8c2"`
[INFO] [stderr]    Compiling generator v0.6.5
[INFO] [stderr]    Compiling may_queue v0.1.1
[INFO] [stderr]    Compiling may v0.2.0
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may_queue-0.1.1/src/block_node.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use self::alloc::raw_vec::RawVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add #![feature(raw_vec_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may_queue-0.1.1/src/block_node.rs:45:11
[INFO] [stderr]    |
[INFO] [stderr] 45 |     data: RawVec<T>,
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(raw_vec_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may_queue-0.1.1/src/block_node.rs:56:19
[INFO] [stderr]    |
[INFO] [stderr] 56 |             data: RawVec::with_capacity(BLOCK_SIZE),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(raw_vec_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may_queue-0.1.1/src/block_node.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let data = self.data.ptr().offset((index & BLOCK_MASK) as isize);
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(raw_vec_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may_queue-0.1.1/src/block_node.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let data = self.data.ptr().offset((index & BLOCK_MASK) as isize);
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(raw_vec_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/may_queue-0.1.1/src/block_node.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut p_data = self.data.ptr().offset((start & BLOCK_MASK) as isize);
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(raw_vec_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `may_queue`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0354a64f3daaa39208734fae13973dd702c055fc732d0d41a05d5dc0503fc8c2"`
[INFO] running `"docker" "rm" "-f" "0354a64f3daaa39208734fae13973dd702c055fc732d0d41a05d5dc0503fc8c2"`
[INFO] [stdout] 0354a64f3daaa39208734fae13973dd702c055fc732d0d41a05d5dc0503fc8c2