[INFO] fetching crate fdringbuf 0.0.2... [INFO] checking fdringbuf-0.0.2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate fdringbuf 0.0.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate fdringbuf 0.0.2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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-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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", 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] 12914d704cff1eeea0890d54511b25ae27cfeb95d9be29ad756cfdf581beebee [INFO] running `Command { std: "docker" "start" "-a" "12914d704cff1eeea0890d54511b25ae27cfeb95d9be29ad756cfdf581beebee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12914d704cff1eeea0890d54511b25ae27cfeb95d9be29ad756cfdf581beebee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12914d704cff1eeea0890d54511b25ae27cfeb95d9be29ad756cfdf581beebee", kill_on_drop: false }` [INFO] [stdout] 12914d704cff1eeea0890d54511b25ae27cfeb95d9be29ad756cfdf581beebee [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--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] 002ed50637bb762b66c4f180079cd1ef5c0119cd6b4d458a0d5c5642755f5998 [INFO] running `Command { std: "docker" "start" "-a" "002ed50637bb762b66c4f180079cd1ef5c0119cd6b4d458a0d5c5642755f5998", 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 v0.2.94 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking fdringbuf v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `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 macro `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 function `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] [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 macro `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 macro `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 function `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 `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] | ^^^^ `nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `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] | ^^^^^^ `nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Option<&mut nix::sys::epoll::EpollEvent>: From<&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 `From<&nix::sys::epoll::EpollEvent>` is not implemented for `Option<&mut nix::sys::epoll::EpollEvent>` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.20.0/src/sys/epoll.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | where T: Into> [INFO] [stdout] | -------------------------------- required by this bound in `nix::sys::epoll::epoll_ctl` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] as From<&'a Option>> [INFO] [stdout] as From<&'a mut Option>> [INFO] [stdout] as From> [INFO] [stdout] = note: required because of the requirements on the impl of `Into>` for `&nix::sys::epoll::EpollEvent` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `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] | ^^^^ `nix::sys::epoll::EpollEvent` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `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] | ^^^^^^ `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] | ^^ [INFO] [stdout] | | [INFO] [stdout] | cannot apply unary operator `-` [INFO] [stdout] | help: you may have meant the maximum value of `u32`: `u32::MAX` [INFO] [stdout] | [INFO] [stdout] = note: unsigned values cannot be negated [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `u32: 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 `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" "002ed50637bb762b66c4f180079cd1ef5c0119cd6b4d458a0d5c5642755f5998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "002ed50637bb762b66c4f180079cd1ef5c0119cd6b4d458a0d5c5642755f5998", kill_on_drop: false }` [INFO] [stdout] 002ed50637bb762b66c4f180079cd1ef5c0119cd6b4d458a0d5c5642755f5998