[INFO] cloning repository https://github.com/benhirsch24/iouring_bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benhirsch24/iouring_bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhirsch24%2Fiouring_bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhirsch24%2Fiouring_bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aabceee7c1b44d3d19e5b2cfe2a39a97eade8e13
[INFO] checking benhirsch24/iouring_bench against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhirsch24%2Fiouring_bench" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benhirsch24/iouring_bench
[INFO] finished tweaking git repo https://github.com/benhirsch24/iouring_bench
[INFO] tweaked toml for git repo https://github.com/benhirsch24/iouring_bench written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benhirsch24/iouring_bench on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benhirsch24/iouring_bench 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking benhirsch24/iouring_bench against try#8a2f6fe57adadb246778b8d41925d3dc46d468cb for pr-158320
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhirsch24%2Fiouring_bench" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benhirsch24/iouring_bench
[INFO] finished tweaking git repo https://github.com/benhirsch24/iouring_bench
[INFO] tweaked toml for git repo https://github.com/benhirsch24/iouring_bench written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benhirsch24/iouring_bench on toolchain 8a2f6fe57adadb246778b8d41925d3dc46d468cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benhirsch24/iouring_bench 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" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "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 histogram v0.11.3
[INFO] [stderr]   Downloaded os_socketaddr v0.2.5
[INFO] [stderr]   Downloaded enclose v1.2.1
[INFO] [stderr]   Downloaded lazy-regex v2.5.0
[INFO] [stderr]   Downloaded clap-duration v0.1.11
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v2.4.1
[INFO] [stderr]   Downloaded duration-human v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3
[INFO] running `Command { std: "docker" "start" "097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3", 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" "097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3" "/opt/rustwide/cargo-home/bin/cargo" "+8a2f6fe57adadb246778b8d41925d3dc46d468cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lock_api v0.4.13
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]    Compiling io-uring v0.7.10
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking enclose v1.2.1
[INFO] [stderr]     Checking buddy-alloc v0.4.2
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking sketches-ddsketch v0.1.3
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling glommio v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rlimit v0.6.2
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking os_socketaddr v0.2.5
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling lazy-regex v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking histogram v0.11.3
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling duration-human v0.1.10
[INFO] [stderr]    Compiling clap-duration v0.1.11
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking twoio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/tokio.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout]  50 | /         loop {
[INFO] [stdout]  51 | |             let (mut stream, _) = listener.accept().await?;
[INFO] [stdout]  52 | |             let cache = cache.clone();
[INFO] [stdout]  53 | |             spawn_local(async move {
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             });
[INFO] [stdout] 119 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 120 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/pubsub_server_tokio.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 333 | /         loop {
[INFO] [stdout] 334 | |             debug!("Accepting");
[INFO] [stdout] 335 | |             let (stream, _) = listener.accept().await.unwrap();
[INFO] [stdout] 336 | |             let subscribers = subscribers.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 364 | |             });
[INFO] [stdout] 365 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 366 |
[INFO] [stdout] 367 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3", kill_on_drop: false }`
[INFO] [stdout] 097e2124e742e2e6ea8a7e451643a3259d210f5486b98475dc8eebd20f1e9de3
