[INFO] fetching crate son_of_grid_engine 0.2.0... [INFO] checking son_of_grid_engine-0.2.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] extracting crate son_of_grid_engine 0.2.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate son_of_grid_engine 0.2.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate son_of_grid_engine 0.2.0 [INFO] finished tweaking crates.io crate son_of_grid_engine 0.2.0 [INFO] tweaked toml for crates.io crate son_of_grid_engine 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded file v1.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b66799a4ca4a9cbfe7e3a0d7ced632fe2c36eb01584dc163e6e31be4ba42088f [INFO] running `Command { std: "docker" "start" "-a" "b66799a4ca4a9cbfe7e3a0d7ced632fe2c36eb01584dc163e6e31be4ba42088f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b66799a4ca4a9cbfe7e3a0d7ced632fe2c36eb01584dc163e6e31be4ba42088f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b66799a4ca4a9cbfe7e3a0d7ced632fe2c36eb01584dc163e6e31be4ba42088f", kill_on_drop: false }` [INFO] [stdout] b66799a4ca4a9cbfe7e3a0d7ced632fe2c36eb01584dc163e6e31be4ba42088f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e22c64f7b674074627f6500672663101c10b90da0ee0180edc004ec5a98b79e [INFO] running `Command { std: "docker" "start" "-a" "6e22c64f7b674074627f6500672663101c10b90da0ee0180edc004ec5a98b79e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking file v1.1.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking son_of_grid_engine v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> examples/networking.rs:180:33 [INFO] [stdout] | [INFO] [stdout] 180 | ... write(stream.get_mut(), ips).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> examples/networking.rs:205:37 [INFO] [stdout] | [INFO] [stdout] 205 | ... write(stream.get_mut(), id).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.96s [INFO] running `Command { std: "docker" "inspect" "6e22c64f7b674074627f6500672663101c10b90da0ee0180edc004ec5a98b79e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e22c64f7b674074627f6500672663101c10b90da0ee0180edc004ec5a98b79e", kill_on_drop: false }` [INFO] [stdout] 6e22c64f7b674074627f6500672663101c10b90da0ee0180edc004ec5a98b79e