[INFO] fetching crate fdringbuf 0.0.2... [INFO] testing fdringbuf-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate fdringbuf 0.0.2 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate fdringbuf 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fdringbuf 0.0.2 [INFO] finished tweaking crates.io crate fdringbuf 0.0.2 [INFO] tweaked toml for crates.io crate fdringbuf 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (nix) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: unused manifest key: dev-dependencies.nix.nix [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60771cb032af2a57ddb68db91b6b3f390aef478d2687ae1a5722dd9197096361 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "60771cb032af2a57ddb68db91b6b3f390aef478d2687ae1a5722dd9197096361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60771cb032af2a57ddb68db91b6b3f390aef478d2687ae1a5722dd9197096361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60771cb032af2a57ddb68db91b6b3f390aef478d2687ae1a5722dd9197096361", kill_on_drop: false }` [INFO] [stdout] 60771cb032af2a57ddb68db91b6b3f390aef478d2687ae1a5722dd9197096361 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d0d32db7c4d4d6fbc963e105a4a2517690dc02fe09d5c74290b30255764782d9 [INFO] running `Command { std: "docker" "start" "-a" "d0d32db7c4d4d6fbc963e105a4a2517690dc02fe09d5c74290b30255764782d9", kill_on_drop: false }` [INFO] [stderr] warning: dependency (nix) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: unused manifest key: dev-dependencies.nix.nix [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling fdringbuf v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/fdbuf.rs:70:33 [INFO] [stdout] | [INFO] [stdout] 70 | if r > 0 && was_empty { try!(write_fd(self.signal_fd)) }; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/fdbuf.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | if r > 0 && was_full { try!(write_fd(self.signal_fd)) }; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/fdbuf.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | let b: Arr = unsafe { ::std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `Command { std: "docker" "inspect" "d0d32db7c4d4d6fbc963e105a4a2517690dc02fe09d5c74290b30255764782d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d32db7c4d4d6fbc963e105a4a2517690dc02fe09d5c74290b30255764782d9", kill_on_drop: false }` [INFO] [stdout] d0d32db7c4d4d6fbc963e105a4a2517690dc02fe09d5c74290b30255764782d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bb685489a7fed66025d55ea2a9a46e571c68511536e71bebd4ad7a8d84ea456f [INFO] running `Command { std: "docker" "start" "-a" "bb685489a7fed66025d55ea2a9a46e571c68511536e71bebd4ad7a8d84ea456f", kill_on_drop: false }` [INFO] [stderr] warning: dependency (nix) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] warning: unused manifest key: dev-dependencies.nix.nix [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/fdbuf.rs:70:33 [INFO] [stdout] | [INFO] [stdout] 70 | if r > 0 && was_empty { try!(write_fd(self.signal_fd)) }; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/fdbuf.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | if r > 0 && was_full { try!(write_fd(self.signal_fd)) }; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/fdbuf.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | let b: Arr = unsafe { ::std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fdringbuf v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0425]: cannot find value `EPOLLIN` in this scope [INFO] [stdout] --> src/fdbuf.rs:187:51 [INFO] [stdout] | [INFO] [stdout] 187 | let event = EpollEvent { data: 0, events: EPOLLIN }; [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this constant [INFO] [stdout] | [INFO] [stdout] 173 | use libc::EPOLLIN; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `EPOLLIN` in this scope [INFO] [stdout] --> src/fdbuf.rs:193:57 [INFO] [stdout] | [INFO] [stdout] 193 | let mut events = [EpollEvent { data: 0, events: EPOLLIN }]; [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this constant [INFO] [stdout] | [INFO] [stdout] 173 | use libc::EPOLLIN; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `EFD_CLOEXEC` in this scope [INFO] [stdout] --> src/fdbuf.rs:212:40 [INFO] [stdout] | [INFO] [stdout] 212 | let (efd1, efd2) = (eventfd(0, EFD_CLOEXEC).unwrap(), eventfd(0, EFD_CLOEXEC).unwrap()); [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this constant [INFO] [stdout] | [INFO] [stdout] 173 | use libc::EFD_CLOEXEC; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `EFD_CLOEXEC` in this scope [INFO] [stdout] --> src/fdbuf.rs:212:74 [INFO] [stdout] | [INFO] [stdout] 212 | let (efd1, efd2) = (eventfd(0, EFD_CLOEXEC).unwrap(), eventfd(0, EFD_CLOEXEC).unwrap()); [INFO] [stdout] | ^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this constant [INFO] [stdout] | [INFO] [stdout] 173 | use libc::EFD_CLOEXEC; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `scoped` in module `std::thread` [INFO] [stdout] --> src/fdbuf.rs:226:36 [INFO] [stdout] | [INFO] [stdout] 226 | let guard = ::std::thread::scoped(move || { [INFO] [stdout] | ^^^^^^ not found in `std::thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/fdbuf.rs:70:33 [INFO] [stdout] | [INFO] [stdout] 70 | if r > 0 && was_empty { try!(write_fd(self.signal_fd)) }; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/fdbuf.rs:112:32 [INFO] [stdout] | [INFO] [stdout] 112 | if r > 0 && was_full { try!(write_fd(self.signal_fd)) }; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/fdbuf.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | let b: Arr = unsafe { ::std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `fdbuf::tests::nix::sys::epoll::EpollEvent` has no field named `data` [INFO] [stdout] --> src/fdbuf.rs:187:34 [INFO] [stdout] | [INFO] [stdout] 187 | let event = EpollEvent { data: 0, events: EPOLLIN }; [INFO] [stdout] | ^^^^ `fdbuf::tests::nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `fdbuf::tests::nix::sys::epoll::EpollEvent` has no field named `events` [INFO] [stdout] --> src/fdbuf.rs:187:43 [INFO] [stdout] | [INFO] [stdout] 187 | let event = EpollEvent { data: 0, events: EPOLLIN }; [INFO] [stdout] | ^^^^^^ `fdbuf::tests::nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `std::option::Option<&mut fdbuf::tests::nix::sys::epoll::EpollEvent>: std::convert::From<&fdbuf::tests::nix::sys::epoll::EpollEvent>` is not satisfied [INFO] [stdout] --> src/fdbuf.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | epoll_ctl(sleep, EpollOp::EpollCtlAdd, fd, &event).unwrap(); [INFO] [stdout] | ^^^^^^^^^ the trait `std::convert::From<&fdbuf::tests::nix::sys::epoll::EpollEvent>` is not implemented for `std::option::Option<&mut fdbuf::tests::nix::sys::epoll::EpollEvent>` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.17.0/src/sys/epoll.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | where T: Into> [INFO] [stdout] | -------------------------------- required by this bound in `fdbuf::tests::nix::sys::epoll::epoll_ctl` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] as std::convert::From<&'a std::option::Option>> [INFO] [stdout] as std::convert::From<&'a mut std::option::Option>> [INFO] [stdout] as std::convert::From> [INFO] [stdout] = note: required because of the requirements on the impl of `std::convert::Into>` for `&fdbuf::tests::nix::sys::epoll::EpollEvent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `fdbuf::tests::nix::sys::epoll::EpollEvent` has no field named `data` [INFO] [stdout] --> src/fdbuf.rs:193:40 [INFO] [stdout] | [INFO] [stdout] 193 | let mut events = [EpollEvent { data: 0, events: EPOLLIN }]; [INFO] [stdout] | ^^^^ `fdbuf::tests::nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `fdbuf::tests::nix::sys::epoll::EpollEvent` has no field named `events` [INFO] [stdout] --> src/fdbuf.rs:193:49 [INFO] [stdout] | [INFO] [stdout] 193 | let mut events = [EpollEvent { data: 0, events: EPOLLIN }]; [INFO] [stdout] | ^^^^^^ `fdbuf::tests::nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `u32` [INFO] [stdout] --> src/fdbuf.rs:233:69 [INFO] [stdout] | [INFO] [stdout] 233 | for z in d.iter().take(300) { cc += 1; if *z == -1 { quit = true; return (cc, false); } sum += *z as u64 }; [INFO] [stdout] | ^^ cannot apply unary operator `-` [INFO] [stdout] | [INFO] [stdout] = note: unsigned values cannot be negated [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `u32: std::ops::Neg` is not satisfied [INFO] [stdout] --> src/fdbuf.rs:261:29 [INFO] [stdout] | [INFO] [stdout] 261 | s.send(|d| { d[0] = -1; (1, false) }).unwrap(); [INFO] [stdout] | ^^ the trait `std::ops::Neg` is not implemented for `u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 12 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0560, E0600. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fdringbuf`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "bb685489a7fed66025d55ea2a9a46e571c68511536e71bebd4ad7a8d84ea456f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb685489a7fed66025d55ea2a9a46e571c68511536e71bebd4ad7a8d84ea456f", kill_on_drop: false }` [INFO] [stdout] bb685489a7fed66025d55ea2a9a46e571c68511536e71bebd4ad7a8d84ea456f