[INFO] updating cached repository https://github.com/FTP-rs/ftp-server-may-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] checking FTP-rs/ftp-server-may-rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FTP-rs/ftp-server-may-rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FTP-rs/ftp-server-may-rs
[INFO] finished tweaking git repo https://github.com/FTP-rs/ftp-server-may-rs
[INFO] tweaked toml for git repo https://github.com/FTP-rs/ftp-server-may-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/FTP-rs/ftp-server-may-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c335acf37206e044fbaddc45751a0779fb0e492f8f715d06ccd8a2048e7cfaf
[INFO] running `"docker" "start" "-a" "2c335acf37206e044fbaddc45751a0779fb0e492f8f715d06ccd8a2048e7cfaf"`
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling rustc_version v0.2.1
[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/rustwide/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/rustwide/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/rustwide/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/rustwide/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/rustwide/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/rustwide/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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use 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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |     buf: RawVec<usize>,
[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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |             buf: RawVec::with_capacity(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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:43:31
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let buf = stk.buf.ptr();
[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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:55:36
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut ptr = self.buf.ptr();
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<usize>` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let cap = self.buf.cap();
[INFO] [stderr]    |                            ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<usize>` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:71:18
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.buf.cap()
[INFO] [stderr]    |                  ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:76:27
[INFO] [stderr]    |
[INFO] [stderr] 76 |         unsafe { self.buf.ptr().offset(self.buf.cap() as isize) as *mut usize }
[INFO] [stderr]    |                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<usize>` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:76:49
[INFO] [stderr]    |
[INFO] [stderr] 76 |         unsafe { self.buf.ptr().offset(self.buf.cap() as isize) as *mut usize }
[INFO] [stderr]    |                                                 ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.5/src/stack.rs:82:18
[INFO] [stderr]    |
[INFO] [stderr] 82 |         self.buf.ptr()
[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 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2c335acf37206e044fbaddc45751a0779fb0e492f8f715d06ccd8a2048e7cfaf"`
[INFO] running `"docker" "rm" "-f" "2c335acf37206e044fbaddc45751a0779fb0e492f8f715d06ccd8a2048e7cfaf"`
[INFO] [stdout] 2c335acf37206e044fbaddc45751a0779fb0e492f8f715d06ccd8a2048e7cfaf
