[INFO] crate ipc 0.2.0 is already in cache
[INFO] checking ipc-0.2.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate ipc 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ipc 0.2.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ipc 0.2.0
[INFO] finished tweaking crates.io crate ipc 0.2.0
[INFO] tweaked toml for crates.io crate ipc 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 0861a589afb174f34171b9a90cf8d0503ccab2e66929d9c315944aeff4139d4f
[INFO] running `"docker" "start" "-a" "0861a589afb174f34171b9a90cf8d0503ccab2e66929d9c315944aeff4139d4f"`
[INFO] [stderr]     Checking ipc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/message_queue.rs:106:61
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/message_queue.rs:162:40
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]   --> src/platform/unix/unix_sock_stream.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]    |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 39 |         use std::io::ErrorKind;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:131:40
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:183:61
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> { 
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]     |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 210 |         use std::io::ErrorKind;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:301:40
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:345:61
[INFO] [stderr]     |
[INFO] [stderr] 345 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> { 
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]   --> src/platform/unix/unix_sock_seqpacket.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]    |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 39 |         use std::io::ErrorKind;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:149:52
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn async_send<'a>(&'a self, to_send: T) -> Box<Future<Item = (), Error = Error> + 'a> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:170:40
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = T, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]     |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 194 |         use std::io::ErrorKind;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:276:40
[INFO] [stderr]     |
[INFO] [stderr] 276 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:317:61
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> { 
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:40
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a>;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:61
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a>;
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand`
[INFO] [stderr]   --> src/lib.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     use rand::random;
[INFO] [stderr]    |         ^^^^ maybe a missing crate `rand`?
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/message_queue.rs:106:61
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/message_queue.rs:162:40
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]   --> src/platform/unix/unix_sock_stream.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]    |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 39 |         use std::io::ErrorKind;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:131:40
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:183:61
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> { 
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]     |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 210 |         use std::io::ErrorKind;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:301:40
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_stream.rs:345:61
[INFO] [stderr]     |
[INFO] [stderr] 345 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> { 
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]   --> src/platform/unix/unix_sock_seqpacket.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]    |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 39 |         use std::io::ErrorKind;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:149:52
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn async_send<'a>(&'a self, to_send: T) -> Box<Future<Item = (), Error = Error> + 'a> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:170:40
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = T, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ErrorKind` is imported redundantly
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::{ Result, Error, Read, Write, ErrorKind };
[INFO] [stderr]     |                                            --------- the item `ErrorKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 194 |         use std::io::ErrorKind;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:276:40
[INFO] [stderr]     |
[INFO] [stderr] 276 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/platform/unix/unix_sock_seqpacket.rs:317:61
[INFO] [stderr]     |
[INFO] [stderr] 317 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a> { 
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:40
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn async_recv<'a>(&'a self) -> Box<Future<Item = Self::Item, Error = Error> + 'a>;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:61
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn async_send<'a>(&'a self, to_send: Self::Item) -> Box<Future<Item = (), Error = Error> + 'a>;
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error> + 'a`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `channel` found for struct `platform::unix::message_queue::MessageQueue<i32>` in the current scope
[INFO] [stderr]   --> src/lib.rs:51:45
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let (tx, rx) = MessageQueue::<i32>::channel().unwrap();
[INFO] [stderr]    |                                             ^^^^^^^ function or associated item not found in `platform::unix::message_queue::MessageQueue<i32>`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/platform/unix/message_queue.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct MessageQueue<T> {
[INFO] [stderr]    | -------------------------- function or associated item `channel` not found for this
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `channel` found for struct `platform::unix::message_queue::MessageQueue<i32>` in the current scope
[INFO] [stderr]   --> src/lib.rs:61:45
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let (tx, rx) = MessageQueue::<i32>::channel().unwrap();
[INFO] [stderr]    |                                             ^^^^^^^ function or associated item not found in `platform::unix::message_queue::MessageQueue<i32>`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/platform/unix/message_queue.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct MessageQueue<T> {
[INFO] [stderr]    | -------------------------- function or associated item `channel` not found for this
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `channel` found for struct `platform::unix::message_queue::MessageQueue<i32>` in the current scope
[INFO] [stderr]   --> src/lib.rs:74:45
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let (tx, rx) = MessageQueue::<i32>::channel().unwrap();
[INFO] [stderr]    |                                             ^^^^^^^ function or associated item not found in `platform::unix::message_queue::MessageQueue<i32>`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/platform/unix/message_queue.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct MessageQueue<T> {
[INFO] [stderr]    | -------------------------- function or associated item `channel` not found for this
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `channel` found for struct `platform::unix::message_queue::MessageQueue<i32>` in the current scope
[INFO] [stderr]   --> src/lib.rs:86:45
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let (tx, rx) = MessageQueue::<i32>::channel().unwrap();
[INFO] [stderr]    |                                             ^^^^^^^ function or associated item not found in `platform::unix::message_queue::MessageQueue<i32>`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/platform/unix/message_queue.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct MessageQueue<T> {
[INFO] [stderr]    | -------------------------- function or associated item `channel` not found for this
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `ipc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0861a589afb174f34171b9a90cf8d0503ccab2e66929d9c315944aeff4139d4f"`
[INFO] running `"docker" "rm" "-f" "0861a589afb174f34171b9a90cf8d0503ccab2e66929d9c315944aeff4139d4f"`
[INFO] [stdout] 0861a589afb174f34171b9a90cf8d0503ccab2e66929d9c315944aeff4139d4f
