[INFO] fetching crate redox_event 0.1.0...
[INFO] checking redox_event-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate redox_event 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate redox_event 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redox_event 0.1.0
[INFO] finished tweaking crates.io crate redox_event 0.1.0
[INFO] tweaked toml for crates.io crate redox_event 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925d8ffb1e5d911303fd94898ca349f65841a3d837efcea3f7cab4f6e46a15c7
[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" "925d8ffb1e5d911303fd94898ca349f65841a3d837efcea3f7cab4f6e46a15c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925d8ffb1e5d911303fd94898ca349f65841a3d837efcea3f7cab4f6e46a15c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925d8ffb1e5d911303fd94898ca349f65841a3d837efcea3f7cab4f6e46a15c7", kill_on_drop: false }`
[INFO] [stdout] 925d8ffb1e5d911303fd94898ca349f65841a3d837efcea3f7cab4f6e46a15c7
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] ed61e56b4a1ff23243dad3995a6d5b3edc149aa044c1376dae44f8689f379aa2
[INFO] running `Command { std: "docker" "start" "-a" "ed61e56b4a1ff23243dad3995a6d5b3edc149aa044c1376dae44f8689f379aa2", kill_on_drop: false }`
[INFO] [stderr]     Checking redox_syscall v0.1.57
[INFO] [stderr]     Checking redox_event v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `fevent` in crate `syscall`
[INFO] [stdout]   --> src/lib.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         syscall::fevent(fd as usize, syscall::EVENT_READ).map_err(|x| Error::from_raw_os_error(x.errno))?;
[INFO] [stdout]    |                  ^^^^^^ not found in `syscall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fevent` in crate `syscall`
[INFO] [stdout]   --> src/lib.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |             syscall::fevent(fd as usize, 0).map_err(|x| Error::from_raw_os_error(x.errno))?;
[INFO] [stdout]    |                      ^^^^^^ not found in `syscall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     callbacks: BTreeMap<RawFd, Box<FnMut(usize) -> Result<Option<R>>>>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize) -> Result<Option<R>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:62
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn remove(&mut self, fd: RawFd) -> Result<Option<Box<FnMut(usize) -> Result<Option<R>>>>> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize) -> Result<Option<R>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fevent` in crate `syscall`
[INFO] [stdout]   --> src/lib.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         syscall::fevent(fd as usize, syscall::EVENT_READ).map_err(|x| Error::from_raw_os_error(x.errno))?;
[INFO] [stdout]    |                  ^^^^^^ not found in `syscall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fevent` in crate `syscall`
[INFO] [stdout]   --> src/lib.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |             syscall::fevent(fd as usize, 0).map_err(|x| Error::from_raw_os_error(x.errno))?;
[INFO] [stdout]    |                      ^^^^^^ not found in `syscall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     callbacks: BTreeMap<RawFd, Box<FnMut(usize) -> Result<Option<R>>>>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize) -> Result<Option<R>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:42:62
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn remove(&mut self, fd: RawFd) -> Result<Option<Box<FnMut(usize) -> Result<Option<R>>>>> {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(usize) -> Result<Option<R>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redox_event`.
[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] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed61e56b4a1ff23243dad3995a6d5b3edc149aa044c1376dae44f8689f379aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed61e56b4a1ff23243dad3995a6d5b3edc149aa044c1376dae44f8689f379aa2", kill_on_drop: false }`
[INFO] [stdout] ed61e56b4a1ff23243dad3995a6d5b3edc149aa044c1376dae44f8689f379aa2