[INFO] cloning repository https://github.com/domsj/rust-sd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domsj/rust-sd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsj%2Frust-sd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsj%2Frust-sd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 756a9ebeb6ab0ce986538fe45cc345d8383220ac [INFO] checking domsj/rust-sd against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsj%2Frust-sd" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/domsj/rust-sd 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/domsj/rust-sd [INFO] finished tweaking git repo https://github.com/domsj/rust-sd [INFO] tweaked toml for git repo https://github.com/domsj/rust-sd written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/domsj/rust-sd 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.7 [INFO] [stderr] Downloaded num-traits v0.1.41 [INFO] [stderr] Downloaded serde v1.0.23 [INFO] [stderr] Downloaded dtoa v0.4.2 [INFO] [stderr] Downloaded itoa v0.3.4 [INFO] [stderr] Downloaded serde_derive_internals v0.17.0 [INFO] [stderr] Downloaded serde_derive v1.0.23 [INFO] [stderr] Downloaded log v0.3.8 [INFO] [stderr] Downloaded tokio-core v0.1.10 [INFO] [stderr] Downloaded nix v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ef53e98ea969a50ada77f236fc75e07477c21622c7a56775110c14f539b2f3e5 [INFO] running `Command { std: "docker" "start" "-a" "ef53e98ea969a50ada77f236fc75e07477c21622c7a56775110c14f539b2f3e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef53e98ea969a50ada77f236fc75e07477c21622c7a56775110c14f539b2f3e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef53e98ea969a50ada77f236fc75e07477c21622c7a56775110c14f539b2f3e5", kill_on_drop: false }` [INFO] [stdout] ef53e98ea969a50ada77f236fc75e07477c21622c7a56775110c14f539b2f3e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 584c912f672ce7258ef877bd945a3b70619f0c9b1a0ce66ce2aceca07b7ffd3d [INFO] running `Command { std: "docker" "start" "-a" "584c912f672ce7258ef877bd945a3b70619f0c9b1a0ce66ce2aceca07b7ffd3d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking serde v1.0.23 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking num_cpus v1.7.0 [INFO] [stderr] Checking rand v0.3.18 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.7 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking serde_json v1.0.7 [INFO] [stderr] Checking rust_sd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:98:67 [INFO] [stdout] | [INFO] [stdout] 98 | fn decode(&mut self, buf: &mut BytesMut) -> Result, Error> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - fn decode(&mut self, buf: &mut BytesMut) -> Result, Error> { [INFO] [stdout] 98 + fn decode(&mut self, buf: &mut BytesMut) -> Result, Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:98:67 [INFO] [stdout] | [INFO] [stdout] 98 | fn decode(&mut self, buf: &mut BytesMut) -> Result, Error> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - fn decode(&mut self, buf: &mut BytesMut) -> Result, Error> { [INFO] [stdout] 98 + fn decode(&mut self, buf: &mut BytesMut) -> Result, Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tcp_stream` [INFO] [stdout] --> src/main.rs:155:25 [INFO] [stdout] | [INFO] [stdout] 155 | let tcp_stream = [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tcp_stream` [INFO] [stdout] --> src/main.rs:155:25 [INFO] [stdout] | [INFO] [stdout] 155 | let tcp_stream = [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Version` is never constructed [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 41 | enum Request { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 42 | Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Version` is never constructed [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 41 | enum Request { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 42 | Version, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | IoError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 | IoError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | IoError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 | IoError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnknownMessageType` is never constructed [INFO] [stdout] --> src/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 46 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 47 | UnknownMessageType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnknownMessageType` is never constructed [INFO] [stdout] --> src/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 46 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 47 | UnknownMessageType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Version` is never constructed [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 59 | enum Response { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 60 | Version(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Version` is never constructed [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 59 | enum Response { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] 60 | Version(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Notification`, `Request`, and `Response` are never constructed [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 66 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 67 | Notification, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 68 | Request(RequestId, Request), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 69 | Response(RequestId, Response), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Notification`, `Request`, and `Response` are never constructed [INFO] [stdout] --> src/main.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 66 | enum Message { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 67 | Notification, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 68 | Request(RequestId, Request), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 69 | Response(RequestId, Response), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MessageCodec` is never constructed [INFO] [stdout] --> src/main.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | struct MessageCodec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_varint` is never used [INFO] [stdout] --> src/main.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn get_varint(buf: &mut T) -> u64 [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MessageCodec` is never constructed [INFO] [stdout] --> src/main.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | struct MessageCodec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_varint` is never used [INFO] [stdout] --> src/main.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | fn get_varint(buf: &mut T) -> u64 [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `PartialReadService`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:194:40 [INFO] [stdout] | [INFO] [stdout] 194 | pub extern "C" fn handover_fd(service: PartialReadService, fd: std::os::unix::io::RawFd) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct PartialReadService { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `PartialReadService`, which is not FFI-safe [INFO] [stdout] --> src/main.rs:194:40 [INFO] [stdout] | [INFO] [stdout] 194 | pub extern "C" fn handover_fd(service: PartialReadService, fd: std::os::unix::io::RawFd) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/main.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct PartialReadService { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "584c912f672ce7258ef877bd945a3b70619f0c9b1a0ce66ce2aceca07b7ffd3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "584c912f672ce7258ef877bd945a3b70619f0c9b1a0ce66ce2aceca07b7ffd3d", kill_on_drop: false }` [INFO] [stdout] 584c912f672ce7258ef877bd945a3b70619f0c9b1a0ce66ce2aceca07b7ffd3d