[INFO] cloning repository https://github.com/EmbeddedAndMore/rust_ipc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmbeddedAndMore/rust_ipc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbeddedAndMore%2Frust_ipc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbeddedAndMore%2Frust_ipc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 735b567b7490b31bc71146d1fe95ee421e566aad
[INFO] checking EmbeddedAndMore/rust_ipc/735b567b7490b31bc71146d1fe95ee421e566aad against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbeddedAndMore%2Frust_ipc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EmbeddedAndMore/rust_ipc on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EmbeddedAndMore/rust_ipc
[INFO] finished tweaking git repo https://github.com/EmbeddedAndMore/rust_ipc
[INFO] tweaked toml for git repo https://github.com/EmbeddedAndMore/rust_ipc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EmbeddedAndMore/rust_ipc 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dceac514d8d77b5d46810d5ac46e14e3ae4074fde12ae5edeaff16cef4f1f115
[INFO] running `Command { std: "docker" "start" "-a" "dceac514d8d77b5d46810d5ac46e14e3ae4074fde12ae5edeaff16cef4f1f115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dceac514d8d77b5d46810d5ac46e14e3ae4074fde12ae5edeaff16cef4f1f115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dceac514d8d77b5d46810d5ac46e14e3ae4074fde12ae5edeaff16cef4f1f115", kill_on_drop: false }`
[INFO] [stdout] dceac514d8d77b5d46810d5ac46e14e3ae4074fde12ae5edeaff16cef4f1f115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3037d8bf1ed1dc59f74163859aa0d3a8afbacd1632fc26416b51e73e5582be9
[INFO] running `Command { std: "docker" "start" "-a" "f3037d8bf1ed1dc59f74163859aa0d3a8afbacd1632fc26416b51e73e5582be9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking ipc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pid`, `signal::Signal`, `signal`, and `waitpid`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sys::{wait::{wait,waitpid, WaitStatus}, signal, signal::Signal},
[INFO] [stdout]   |                       ^^^^^^^               ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     unistd::{fork, ForkResult, Pid}
[INFO] [stdout]   |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pid`, `signal::Signal`, `signal`, and `waitpid`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     sys::{wait::{wait,waitpid, WaitStatus}, signal, signal::Signal},
[INFO] [stdout]   |                       ^^^^^^^               ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     unistd::{fork, ForkResult, Pid}
[INFO] [stdout]   |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/main.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   Some(sig) => {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/main.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   Some(sig) => {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "f3037d8bf1ed1dc59f74163859aa0d3a8afbacd1632fc26416b51e73e5582be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3037d8bf1ed1dc59f74163859aa0d3a8afbacd1632fc26416b51e73e5582be9", kill_on_drop: false }`
[INFO] [stdout] f3037d8bf1ed1dc59f74163859aa0d3a8afbacd1632fc26416b51e73e5582be9