[INFO] crate fuse3 0.1.0-beta1.3 is already in cache
[INFO] testing fuse3-0.1.0-beta1.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate fuse3 0.1.0-beta1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fuse3 0.1.0-beta1.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fuse3 0.1.0-beta1.3
[INFO] finished tweaking crates.io crate fuse3 0.1.0-beta1.3
[INFO] tweaked toml for crates.io crate fuse3 0.1.0-beta1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27ea8fcabcbe854b98314484c1ccc53a5c0b1e5d1a5bb5af36c3a20e1243871f
[INFO] running `"docker" "start" "-a" "27ea8fcabcbe854b98314484c1ccc53a5c0b1e5d1a5bb5af36c3a20e1243871f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.32
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling fuse3 v0.1.0-beta1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/connection.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stderr]  --> src/connection.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::IntoRawFd`
[INFO] [stderr]  --> src/connection.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::os::unix::io::IntoRawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::RawFd`
[INFO] [stderr]  --> src/connection.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::os::unix::io::RawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::unistd`
[INFO] [stderr]   --> src/connection.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use nix::unistd;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::helper::io_error_from_nix_error`
[INFO] [stderr]   --> src/connection.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use crate::helper::io_error_from_nix_error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::spawn::spawn_blocking`
[INFO] [stderr]   --> src/connection.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use crate::spawn::spawn_blocking;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/session.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/session.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Error as IoError`
[INFO] [stderr]  --> src/session.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Error as IoError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::ErrorKind`
[INFO] [stderr]  --> src/session.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::ErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Result as IoResult`
[INFO] [stderr]  --> src/session.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Result as IoResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::ffi::OsStrExt`
[INFO] [stderr]  --> src/session.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::os::unix::ffi::OsStrExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::ffi::OsStringExt`
[INFO] [stderr]  --> src/session.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::os::unix::ffi::OsStringExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::io::AsRawFd`
[INFO] [stderr]  --> src/session.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::os::unix::io::AsRawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/session.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/session.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `UnboundedReceiver`, `UnboundedSender`, `unbounded`
[INFO] [stderr]   --> src/session.rs:14:29
[INFO] [stderr]    |
[INFO] [stderr] 14 | use futures_channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender};
[INFO] [stderr]    |                             ^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_util::future::FutureExt`
[INFO] [stderr]   --> src/session.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use futures_util::future::FutureExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_util::stream::StreamExt`
[INFO] [stderr]   --> src/session.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use futures_util::stream::StreamExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `pin_mut`, `select`
[INFO] [stderr]   --> src/session.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use futures_util::{pin_mut, select};
[INFO] [stderr]    |                    ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `warn`
[INFO] [stderr]   --> src/session.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | use log::{debug, error, warn};
[INFO] [stderr]    |           ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::mount`
[INFO] [stderr]   --> src/session.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use nix::mount;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::mount::MsFlags`
[INFO] [stderr]   --> src/session.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use nix::mount::MsFlags;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::filesystem::Filesystem`
[INFO] [stderr]   --> src/session.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use crate::filesystem::Filesystem;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::helper::*`
[INFO] [stderr]   --> src/session.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use crate::helper::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::notify::Notify`
[INFO] [stderr]   --> src/session.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use crate::notify::Notify;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::reply::ReplyXAttr`
[INFO] [stderr]   --> src/session.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use crate::reply::ReplyXAttr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::MountOptions`
[INFO] [stderr]   --> src/session.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | use crate::MountOptions;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SetAttr`
[INFO] [stderr]   --> src/session.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 | use crate::{Errno, SetAttr};
[INFO] [stderr]    |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `(): std::future::Future` is not satisfied
[INFO] [stderr]   --> src/spawn.rs:16:38
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn spawn_blocking<F, T>(f: F) -> impl Future<Output = T>
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::future::Future` is not implemented for `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the return type of a function must have a statically known size
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `fuse3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "27ea8fcabcbe854b98314484c1ccc53a5c0b1e5d1a5bb5af36c3a20e1243871f"`
[INFO] running `"docker" "rm" "-f" "27ea8fcabcbe854b98314484c1ccc53a5c0b1e5d1a5bb5af36c3a20e1243871f"`
[INFO] [stdout] 27ea8fcabcbe854b98314484c1ccc53a5c0b1e5d1a5bb5af36c3a20e1243871f