[INFO] cloning repository https://github.com/karmaio-rs/karmaio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karmaio-rs/karmaio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarmaio-rs%2Fkarmaio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarmaio-rs%2Fkarmaio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b2cb181654eb082303aef29363fb251ad201f29
[INFO] testing karmaio-rs/karmaio against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarmaio-rs%2Fkarmaio" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/karmaio-rs/karmaio
[INFO] finished tweaking git repo https://github.com/karmaio-rs/karmaio
[INFO] tweaked toml for git repo https://github.com/karmaio-rs/karmaio written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/karmaio-rs/karmaio on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/karmaio-rs/karmaio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing karmaio-rs/karmaio against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarmaio-rs%2Fkarmaio" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/karmaio-rs/karmaio
[INFO] finished tweaking git repo https://github.com/karmaio-rs/karmaio
[INFO] tweaked toml for git repo https://github.com/karmaio-rs/karmaio written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/karmaio-rs/karmaio on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/karmaio-rs/karmaio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.7.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052
[INFO] running `Command { std: "docker" "start" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling io-uring v0.7.11
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling karmaio v0.1.0 (/opt/rustwide/workdir/karmaio)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> karmaio/src/fs/open_options.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, path::Path};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `cqueue`
[INFO] [stdout]  --> karmaio/src/driver/backends/iouring.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use io_uring::{Builder, IoUring, cqueue, squeue};
[INFO] [stdout]   |                ^^^^^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> karmaio/src/driver/ops/create_dir.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> karmaio/src/driver/ops/open.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, path::Path};
[INFO] [stdout]   |           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completion`
[INFO] [stdout]  --> karmaio/src/driver/ops/read.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ops::{Completable, Completion, Op, Operable, Submittable},
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completion`
[INFO] [stdout]  --> karmaio/src/driver/ops/recv.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ops::{Completable, Completion, Op, Operable, Submittable},
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completion`
[INFO] [stdout]  --> karmaio/src/driver/ops/send.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ops::{Completable, Completion, Op, Operable, Submittable},
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completion`
[INFO] [stdout]   --> karmaio/src/driver/ops/send_to.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |         ops::{Completable, Completion, Op, Operable, Submittable},
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completion`
[INFO] [stdout]   --> karmaio/src/driver/ops/sendmsg.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |         ops::{Completable, Completion, Op, Operable, Submittable},
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> karmaio/src/driver/ops/symlink.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> karmaio/src/driver/ops/sync.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Completion`
[INFO] [stdout]  --> karmaio/src/driver/ops/write.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 |         ops::{Completable, Completion, Op, Operable, Submittable},
[INFO] [stdout]   |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `from_raw_fd` found for struct `OwnedFd` in the current scope
[INFO] [stdout]   --> karmaio/src/driver/backends/iouring.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |             OwnedFd::from_raw_fd(fd)
[INFO] [stdout]    |                      ^^^^^^^^^^^ associated function or constant not found in `OwnedFd`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `as_raw_fd` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/os/fd/raw.rs:69:4
[INFO] [stdout] help: trait `FromRawFd` which provides `from_raw_fd` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::os::fd::FromRawFd;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> karmaio/src/driver/backends/iouring.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut completion_queue = self.uring.completion();
[INFO] [stdout]     |                                    ---------- first mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 208 |         for completion in completion_queue {
[INFO] [stdout]     |                           ---------------- first borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 220 |                 self.arm_wakeup_read();
[INFO] [stdout]     |                 ^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> karmaio/src/driver/ops/recv.rs:25:52
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn recv(io_handle: &SharedIoHandle, mut buf: B) -> std::io::Result<Op<Recv<B>>> {
[INFO] [stdout]    |                                                    ----^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> karmaio/src/driver/ops/recv_from.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn complete(mut self, completion_result: Completion) -> Self::Result {
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> karmaio/src/driver/ops/recvmsg.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn complete(mut self, completion_result: Completion) -> Self::Result {
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0499, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `karmaio` (lib) due to 2 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052", kill_on_drop: false }`
[INFO] [stdout] 6483e701ccce8d3826d324fa5a97784743c87dec370be7b50a593d1435610052
