[INFO] cloning repository https://github.com/LAC-Tech/ring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LAC-Tech/ring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLAC-Tech%2Fring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLAC-Tech%2Fring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 771eaf92a7fb5e39da0a29f0400eeef6c6f3c299
[INFO] checking LAC-Tech/ring against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLAC-Tech%2Fring" "/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/LAC-Tech/ring
[INFO] finished tweaking git repo https://github.com/LAC-Tech/ring
[INFO] tweaked toml for git repo https://github.com/LAC-Tech/ring written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LAC-Tech/ring on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LAC-Tech/ring 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca43443fe666a50e79911109dfea5a3704d6eda0da37206f05b9db671157fb8
[INFO] running `Command { std: "docker" "start" "-a" "bca43443fe666a50e79911109dfea5a3704d6eda0da37206f05b9db671157fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca43443fe666a50e79911109dfea5a3704d6eda0da37206f05b9db671157fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca43443fe666a50e79911109dfea5a3704d6eda0da37206f05b9db671157fb8", kill_on_drop: false }`
[INFO] [stdout] bca43443fe666a50e79911109dfea5a3704d6eda0da37206f05b9db671157fb8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40905f583c738d39cc58c5382e49ea2c653fbe80431209ed6a69bad5b4136e24
[INFO] running `Command { std: "docker" "start" "-a" "40905f583c738d39cc58c5382e49ea2c653fbe80431209ed6a69bad5b4136e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking hringas v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `features` is never read
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct IoUring {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 92 |     features: IoringFeatureFlags,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IoUring` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:662:20
[INFO] [stdout]     |
[INFO] [stdout] 662 |         assert_eq!(unsafe { ring.submit() }, Ok(1));
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:663:19
[INFO] [stdout]     |
[INFO] [stdout] 663 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:701:25
[INFO] [stdout]     |
[INFO] [stdout] 701 |         let submitted = unsafe { ring.submit_and_wait(2) };
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:704:20
[INFO] [stdout]     |
[INFO] [stdout] 704 |         let cqe1 = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:705:20
[INFO] [stdout]     |
[INFO] [stdout] 705 |         let cqe2 = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:817:20
[INFO] [stdout]     |
[INFO] [stdout] 817 |         assert_eq!(unsafe { ring.submit() }, Ok(1));
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:824:19
[INFO] [stdout]     |
[INFO] [stdout] 824 |         let cqe = unsafe { ring.copy_cqe().unwrap() };
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:833:20
[INFO] [stdout]     |
[INFO] [stdout] 833 |         assert_eq!(unsafe { ring.submit() }, Ok(1));
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:834:19
[INFO] [stdout]     |
[INFO] [stdout] 834 |         let cqe = unsafe { ring.copy_cqe().unwrap() };
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:879:20
[INFO] [stdout]     |
[INFO] [stdout] 879 |         assert_eq!(unsafe { ring.submit() }, Ok(1));
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:880:19
[INFO] [stdout]     |
[INFO] [stdout] 880 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:933:20
[INFO] [stdout]     |
[INFO] [stdout] 933 |         assert_eq!(unsafe { ring.submit_and_wait(3) }, Ok(3));
[INFO] [stdout]     |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:937:19
[INFO] [stdout]     |
[INFO] [stdout] 937 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:943:19
[INFO] [stdout]     |
[INFO] [stdout] 943 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:949:19
[INFO] [stdout]     |
[INFO] [stdout] 949 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]     |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1068:20
[INFO] [stdout]      |
[INFO] [stdout] 1068 |         assert_eq!(unsafe { ring.submit() }, Ok(3));
[INFO] [stdout]      |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1070:34
[INFO] [stdout]      |
[INFO] [stdout] 1070 |         let cqe_splice_to_pipe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                                  ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1071:36
[INFO] [stdout]      |
[INFO] [stdout] 1071 |         let cqe_splice_from_pipe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1072:24
[INFO] [stdout]      |
[INFO] [stdout] 1072 |         let cqe_read = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1126:20
[INFO] [stdout]      |
[INFO] [stdout] 1126 |         assert_eq!(unsafe { ring.submit() }, Ok(2));
[INFO] [stdout]      |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1128:25
[INFO] [stdout]      |
[INFO] [stdout] 1128 |         let cqe_write = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1129:24
[INFO] [stdout]      |
[INFO] [stdout] 1129 |         let cqe_read = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1187:20
[INFO] [stdout]      |
[INFO] [stdout] 1187 |         assert_eq!(unsafe { ring.submit() }, Ok(1));
[INFO] [stdout]      |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1189:19
[INFO] [stdout]      |
[INFO] [stdout] 1189 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1210:20
[INFO] [stdout]      |
[INFO] [stdout] 1210 |         assert_eq!(unsafe { ring.submit() }, Ok(1));
[INFO] [stdout]      |                    ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/lib.rs:1212:19
[INFO] [stdout]      |
[INFO] [stdout] 1212 |         let cqe = unsafe { ring.copy_cqe() }.unwrap();
[INFO] [stdout]      |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1311:13
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         let mut ring = IoUring::new(16).unwrap();
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ring`
[INFO] [stdout]     --> src/lib.rs:1311:13
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         let mut ring = IoUring::new(16).unwrap();
[INFO] [stdout]      |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ring`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `features` is never read
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct IoUring {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 92 |     features: IoringFeatureFlags,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IoUring` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_listener_socket` is never used
[INFO] [stdout]     --> src/lib.rs:1225:8
[INFO] [stdout]      |
[INFO] [stdout] 1225 |     fn create_listener_socket(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SockTestHarness` is never constructed
[INFO] [stdout]     --> src/lib.rs:1252:12
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     struct SockTestHarness {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "40905f583c738d39cc58c5382e49ea2c653fbe80431209ed6a69bad5b4136e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40905f583c738d39cc58c5382e49ea2c653fbe80431209ed6a69bad5b4136e24", kill_on_drop: false }`
[INFO] [stdout] 40905f583c738d39cc58c5382e49ea2c653fbe80431209ed6a69bad5b4136e24