[INFO] cloning 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" "clone" "--bare" "https://github.com/FTP-rs/ftp-server-may-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] checking FTP-rs/ftp-server-may-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FTP-rs/ftp-server-may-rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 06491e0e9ce6e64c0d4dbd6009983bd8cd64a4a7b60129381bad5af0b06e3212
[INFO] running `"docker" "start" "-a" "06491e0e9ce6e64c0d4dbd6009983bd8cd64a4a7b60129381bad5af0b06e3212"`
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling may_queue v0.1.1
[INFO] [stderr]    Compiling generator v0.6.5
[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: build failed
[INFO] running `"docker" "inspect" "06491e0e9ce6e64c0d4dbd6009983bd8cd64a4a7b60129381bad5af0b06e3212"`
[INFO] running `"docker" "rm" "-f" "06491e0e9ce6e64c0d4dbd6009983bd8cd64a4a7b60129381bad5af0b06e3212"`
[INFO] [stdout] 06491e0e9ce6e64c0d4dbd6009983bd8cd64a4a7b60129381bad5af0b06e3212