[INFO] updating cached repository https://github.com/sandreim/epolly [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e20a54f4eeddc64e7897c46fd28bc56f9dea078e [INFO] checking sandreim/epolly against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandreim%2Fepolly" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sandreim/epolly on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sandreim/epolly [INFO] removed workspace from git repo https://github.com/sandreim/epolly [INFO] finished tweaking git repo https://github.com/sandreim/epolly [INFO] tweaked toml for git repo https://github.com/sandreim/epolly written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sandreim/epolly already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 88cb3c06d2d17b6194cbbbd9885d506d8d22d88ff22be24f574d99a88f11671e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "88cb3c06d2d17b6194cbbbd9885d506d8d22d88ff22be24f574d99a88f11671e"` [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking epoll v4.1.0 [INFO] [stderr] Checking epolly v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `RawFd` [INFO] [stderr] --> src/main.rs:18:34 [INFO] [stderr] | [INFO] [stderr] 18 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RawFd` [INFO] [stderr] --> src/main.rs:18:34 [INFO] [stderr] | [INFO] [stderr] 18 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `wrapped_em2` [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let wrapped_em2 = em.register(em2); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapped_em2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `wrapped_em2` [INFO] [stderr] --> src/main.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let wrapped_em2 = em.register(em2); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapped_em2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `update` [INFO] [stderr] --> src/event_manager.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | / pub fn update( [INFO] [stderr] 195 | | &mut self, [INFO] [stderr] 196 | | wrapped_handler: Weak>, [INFO] [stderr] 197 | | pollable_ops: Vec, [INFO] [stderr] 198 | | ) -> Result<()> { [INFO] [stderr] 199 | | self.run_pollable_ops(wrapped_handler, pollable_ops) [INFO] [stderr] 200 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/event_manager.rs:351:5 [INFO] [stderr] | [INFO] [stderr] 351 | pub fn run(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Update` [INFO] [stderr] --> src/pollable.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | Update(EventRegistrationData), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `writeable` [INFO] [stderr] --> src/pollable.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn writeable<'a>(&'a mut self) -> &'a mut PollableOpBuilder { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `update` [INFO] [stderr] --> src/pollable.rs:149:5 [INFO] [stderr] | [INFO] [stderr] 149 | pub fn update(&self) -> PollableOp { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | tcp_server.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:139:25 [INFO] [stderr] | [INFO] [stderr] 139 | client.write(message.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: method is never used: `update` [INFO] [stderr] --> src/event_manager.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | / pub fn update( [INFO] [stderr] 195 | | &mut self, [INFO] [stderr] 196 | | wrapped_handler: Weak>, [INFO] [stderr] 197 | | pollable_ops: Vec, [INFO] [stderr] 198 | | ) -> Result<()> { [INFO] [stderr] 199 | | self.run_pollable_ops(wrapped_handler, pollable_ops) [INFO] [stderr] 200 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/event_manager.rs:351:5 [INFO] [stderr] | [INFO] [stderr] 351 | pub fn run(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Update` [INFO] [stderr] --> src/pollable.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | Update(EventRegistrationData), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `writeable` [INFO] [stderr] --> src/pollable.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn writeable<'a>(&'a mut self) -> &'a mut PollableOpBuilder { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `update` [INFO] [stderr] --> src/pollable.rs:149:5 [INFO] [stderr] | [INFO] [stderr] 149 | pub fn update(&self) -> PollableOp { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | tcp_server.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:139:25 [INFO] [stderr] | [INFO] [stderr] 139 | client.write(message.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.31s [INFO] running `"docker" "inspect" "88cb3c06d2d17b6194cbbbd9885d506d8d22d88ff22be24f574d99a88f11671e"` [INFO] running `"docker" "rm" "-f" "88cb3c06d2d17b6194cbbbd9885d506d8d22d88ff22be24f574d99a88f11671e"` [INFO] [stdout] 88cb3c06d2d17b6194cbbbd9885d506d8d22d88ff22be24f574d99a88f11671e