[INFO] cloning repository https://github.com/twissel/iouring-echo-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twissel/iouring-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwissel%2Fiouring-echo-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwissel%2Fiouring-echo-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 424aedd17cfac99489f30f06661576ad2b10797f [INFO] checking twissel/iouring-echo-server against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwissel%2Fiouring-echo-server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twissel/iouring-echo-server on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/twissel/iouring-echo-server [INFO] finished tweaking git repo https://github.com/twissel/iouring-echo-server [INFO] tweaked toml for git repo https://github.com/twissel/iouring-echo-server written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/twissel/iouring-echo-server 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/twissel/iou` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uring-sys v1.0.0-beta [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f2cf1bb1692616ba8966b200fd976ad264ca8869598eab5a8ab9dcafa602ed2 [INFO] running `Command { std: "docker" "start" "-a" "7f2cf1bb1692616ba8966b200fd976ad264ca8869598eab5a8ab9dcafa602ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f2cf1bb1692616ba8966b200fd976ad264ca8869598eab5a8ab9dcafa602ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f2cf1bb1692616ba8966b200fd976ad264ca8869598eab5a8ab9dcafa602ed2", kill_on_drop: false }` [INFO] [stdout] 7f2cf1bb1692616ba8966b200fd976ad264ca8869598eab5a8ab9dcafa602ed2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6ae2b09f6de77db9d5d30b3679c561413ff60d647c06c14727ddcedd9e6b7ab [INFO] running `Command { std: "docker" "start" "-a" "c6ae2b09f6de77db9d5d30b3679c561413ff60d647c06c14727ddcedd9e6b7ab", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling uring-sys v1.0.0-beta [INFO] [stderr] Checking iou v0.2.0 (https://github.com/twissel/iou?branch=additional-methods#a9ea0ec4) [INFO] [stderr] Checking iouring-echo-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `bytes_wrote` is never read [INFO] [stdout] --> src/operation.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct ConnectionWriteReady { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 172 | pub data: ConnectionData, [INFO] [stdout] 173 | pub bytes_wrote: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bytes_wrote` is never read [INFO] [stdout] --> src/operation.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct ConnectionWriteReady { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 172 | pub data: ConnectionData, [INFO] [stdout] 173 | pub bytes_wrote: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/operation.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | / Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] 206 | | self.write_buf.as_ptr() as *mut _, [INFO] [stdout] 207 | | self.write_buf.len(), [INFO] [stdout] 208 | | )); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/operation.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | / Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] 210 | | self.read_buf.as_mut_ptr(), [INFO] [stdout] 211 | | self.read_buf.len(), [INFO] [stdout] 212 | | )); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 209 | let _ = Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/operation.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | / Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] 206 | | self.write_buf.as_ptr() as *mut _, [INFO] [stdout] 207 | | self.write_buf.len(), [INFO] [stdout] 208 | | )); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/operation.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | / Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] 210 | | self.read_buf.as_mut_ptr(), [INFO] [stdout] 211 | | self.read_buf.len(), [INFO] [stdout] 212 | | )); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 209 | let _ = Box::<[u8]>::from_raw(slice::from_raw_parts_mut( [INFO] [stdout] | +++++++ [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 2.05s [INFO] running `Command { std: "docker" "inspect" "c6ae2b09f6de77db9d5d30b3679c561413ff60d647c06c14727ddcedd9e6b7ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6ae2b09f6de77db9d5d30b3679c561413ff60d647c06c14727ddcedd9e6b7ab", kill_on_drop: false }` [INFO] [stdout] c6ae2b09f6de77db9d5d30b3679c561413ff60d647c06c14727ddcedd9e6b7ab