[INFO] fetching crate compio-io 0.1.0-beta.1...
[INFO] checking compio-io-0.1.0-beta.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate compio-io 0.1.0-beta.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate compio-io 0.1.0-beta.1 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compio-io 0.1.0-beta.1
[INFO] finished tweaking crates.io crate compio-io 0.1.0-beta.1
[INFO] tweaked toml for crates.io crate compio-io 0.1.0-beta.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v1.1.5
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded compio-runtime v0.2.0-beta.3
[INFO] [stderr]   Downloaded compio-buf v0.2.0-beta.1
[INFO] [stderr]   Downloaded compio-log v0.1.0-beta.1
[INFO] [stderr]   Downloaded compio-driver v0.2.0-beta.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 223dbf3b17397991d9b96c44bdc9993701f520d7517b9b2d4f2bb2a834bffc2f
[INFO] running `Command { std: "docker" "start" "-a" "223dbf3b17397991d9b96c44bdc9993701f520d7517b9b2d4f2bb2a834bffc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "223dbf3b17397991d9b96c44bdc9993701f520d7517b9b2d4f2bb2a834bffc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223dbf3b17397991d9b96c44bdc9993701f520d7517b9b2d4f2bb2a834bffc2f", kill_on_drop: false }`
[INFO] [stdout] 223dbf3b17397991d9b96c44bdc9993701f520d7517b9b2d4f2bb2a834bffc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2198926a4cdc53a2bda7a2fec2b0c2cb43a3d6e70434eb958da258d3ffc83d
[INFO] running `Command { std: "docker" "start" "-a" "1f2198926a4cdc53a2bda7a2fec2b0c2cb43a3d6e70434eb958da258d3ffc83d", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking compio-buf v0.2.0-beta.1
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking compio-io v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking compio-log v0.1.0-beta.1
[INFO] [stderr]     Checking compio-driver v0.2.0-beta.3
[INFO] [stdout] error: You must choose at least one of these features: ["io-uring", "polling"]
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | compile_error!("You must choose at least one of these features: [\"io-uring\", \"polling\"]");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/poll/op.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use polling::Event;
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compio-driver` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/buffer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Buffer {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f2198926a4cdc53a2bda7a2fec2b0c2cb43a3d6e70434eb958da258d3ffc83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2198926a4cdc53a2bda7a2fec2b0c2cb43a3d6e70434eb958da258d3ffc83d", kill_on_drop: false }`
[INFO] [stdout] 1f2198926a4cdc53a2bda7a2fec2b0c2cb43a3d6e70434eb958da258d3ffc83d
[INFO] checking compio-io-0.1.0-beta.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate compio-io 0.1.0-beta.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate compio-io 0.1.0-beta.1 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compio-io 0.1.0-beta.1
[INFO] finished tweaking crates.io crate compio-io 0.1.0-beta.1
[INFO] tweaked toml for crates.io crate compio-io 0.1.0-beta.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac2645bb7e203569add9a4f450e5e5682b30be37504a86ef6e7ac5d1688ab79
[INFO] running `Command { std: "docker" "start" "-a" "5ac2645bb7e203569add9a4f450e5e5682b30be37504a86ef6e7ac5d1688ab79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac2645bb7e203569add9a4f450e5e5682b30be37504a86ef6e7ac5d1688ab79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac2645bb7e203569add9a4f450e5e5682b30be37504a86ef6e7ac5d1688ab79", kill_on_drop: false }`
[INFO] [stdout] 5ac2645bb7e203569add9a4f450e5e5682b30be37504a86ef6e7ac5d1688ab79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ba5ac1132cbd7b0b1b905d35ec6696fe316ece6f1728d7dc61e3eed8d479c88
[INFO] running `Command { std: "docker" "start" "-a" "2ba5ac1132cbd7b0b1b905d35ec6696fe316ece6f1728d7dc61e3eed8d479c88", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking compio-buf v0.2.0-beta.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]     Checking compio-io v0.1.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/buffer.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |         &self.buf[self.pos..]
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/buf.rs:101:33
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let b = b.slice(len..);
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/ext.rs:150:98
[INFO] [stdout]     |
[INFO] [stdout] 150 |         loop_read_exact!(buf, buf.buf_capacity() - buf.buf_len(), read, loop self.read(buf.slice(read..)));
[INFO] [stdout]     |                                                                                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/ext.rs:158:71
[INFO] [stdout]     |
[INFO] [stdout] 158 |         loop_read_to_end!(buf, total: usize, loop self.read(buf.slice(total..)))
[INFO] [stdout]     |                                                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/ext.rs:226:41
[INFO] [stdout]     |
[INFO] [stdout] 226 |             loop self.read_at(buf.slice(read..), pos + read as u64)
[INFO] [stdout]     |                                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/ext.rs:244:78
[INFO] [stdout]     |
[INFO] [stdout] 244 |         loop_read_to_end!(buffer, total: u64, loop self.read_at(buffer.slice(total as usize..), pos + total))
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/mod.rs:129:26
[INFO] [stdout]     |
[INFO] [stdout] 129 |             this = &this[n..];
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/read/mod.rs:181:50
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     let len = slice_to_buf(&self[pos as usize..], &mut buf);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | impl_read_at!(@slice [u8], const LEN => [u8; LEN]);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_read_at` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/write/buf.rs:57:37
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let mut w = w.slice(len..);
[INFO] [stdout]    |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]   --> src/write/buf.rs:80:45
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     let mut slice = w.slice(len..);
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/write/ext.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 |             loop self.write(buf.slice(needle..))
[INFO] [stdout]     |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/write/ext.rs:169:42
[INFO] [stdout]     |
[INFO] [stdout] 169 |             loop self.write_at(buf.slice(needle..), pos + needle as u64)
[INFO] [stdout]     |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/write/mod.rs:151:26
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     self[pos..pos + n].copy_from_slice(&slice[..n]);
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 | impl_write_at!(@slice [u8], const LEN => [u8; LEN]);
[INFO] [stdout]     | --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_write_at` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/write/mod.rs:173:22
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 self[pos..pos + n].copy_from_slice(&slice[..n]);
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/write/mod.rs:174:47
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 self.extend_from_slice(&slice[n..]);
[INFO] [stdout]     |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/write/mod.rs:176:22
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 self[pos..pos + n].copy_from_slice(slice);
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/buffer.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Buffer {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking compio-log v0.1.0-beta.1
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking compio-driver v0.2.0-beta.3
[INFO] [stdout] error: You must choose at least one of these features: ["io-uring", "polling"]
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | compile_error!("You must choose at least one of these features: [\"io-uring\", \"polling\"]");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/poll/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use polling::{Event, Events, Poller};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `polling`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/compio-driver-0.2.0-beta.3/src/poll/op.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use polling::Event;
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `polling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compio-driver` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2ba5ac1132cbd7b0b1b905d35ec6696fe316ece6f1728d7dc61e3eed8d479c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba5ac1132cbd7b0b1b905d35ec6696fe316ece6f1728d7dc61e3eed8d479c88", kill_on_drop: false }`
[INFO] [stdout] 2ba5ac1132cbd7b0b1b905d35ec6696fe316ece6f1728d7dc61e3eed8d479c88
