[INFO] cloning repository https://github.com/benhunter/rs-ipc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benhunter/rs-ipc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-ipc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-ipc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 559e33f18ceb1b3b41a2483bbdff070e0bbdffb5
[INFO] checking benhunter/rs-ipc against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenhunter%2Frs-ipc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benhunter/rs-ipc
[INFO] finished tweaking git repo https://github.com/benhunter/rs-ipc
[INFO] tweaked toml for git repo https://github.com/benhunter/rs-ipc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benhunter/rs-ipc on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benhunter/rs-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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2e7d59ae0d1276b6266bde43efdea7ea8cd956b3030a2c34cbbe4a9f7e3a69b
[INFO] running `Command { std: "docker" "start" "-a" "d2e7d59ae0d1276b6266bde43efdea7ea8cd956b3030a2c34cbbe4a9f7e3a69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e7d59ae0d1276b6266bde43efdea7ea8cd956b3030a2c34cbbe4a9f7e3a69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e7d59ae0d1276b6266bde43efdea7ea8cd956b3030a2c34cbbe4a9f7e3a69b", kill_on_drop: false }`
[INFO] [stdout] d2e7d59ae0d1276b6266bde43efdea7ea8cd956b3030a2c34cbbe4a9f7e3a69b
[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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0daca12a9338c3ac2a43a44c4535ed7b7203597623e08943454e27d1240e8f14
[INFO] running `Command { std: "docker" "start" "-a" "0daca12a9338c3ac2a43a44c4535ed7b7203597623e08943454e27d1240e8f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling rustix v0.38.39
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking fastrand v2.2.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ipc-channel v0.19.0
[INFO] [stderr]     Checking rs-ipc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `guiserver`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let guiserver = spawn_server(
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guiserver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guiserver`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let guiserver = spawn_server(
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_guiserver`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         to_parent.send(("KeyFromChild".to_string(), "8".to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = to_parent.send(("KeyFromChild".to_string(), "8".to_string()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             to_parent.send(data);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = to_parent.send(data);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         to_parent.send(("KeyFromChild".to_string(), "8".to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = to_parent.send(("KeyFromChild".to_string(), "8".to_string()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             to_parent.send(data);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let _ = to_parent.send(data);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "0daca12a9338c3ac2a43a44c4535ed7b7203597623e08943454e27d1240e8f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0daca12a9338c3ac2a43a44c4535ed7b7203597623e08943454e27d1240e8f14", kill_on_drop: false }`
[INFO] [stdout] 0daca12a9338c3ac2a43a44c4535ed7b7203597623e08943454e27d1240e8f14
