[INFO] fetching crate io-uring-bearer 0.2.0-pre3... [INFO] checking io-uring-bearer-0.2.0-pre3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate io-uring-bearer 0.2.0-pre3 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate io-uring-bearer 0.2.0-pre3 [INFO] finished tweaking crates.io crate io-uring-bearer 0.2.0-pre3 [INFO] tweaked toml for crates.io crate io-uring-bearer 0.2.0-pre3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate io-uring-bearer 0.2.0-pre3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate io-uring-bearer 0.2.0-pre3 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded io-uring-owner v0.2.0-pre1 [INFO] [stderr] Downloaded io-uring-opcode v0.2.0-pre3 [INFO] [stderr] Downloaded ysockaddr v0.2.0 [INFO] [stderr] Downloaded slabbable-hash v0.1.0 [INFO] [stderr] Downloaded slabbable v0.1.0 [INFO] [stderr] Downloaded slabbable-stablevec v0.1.0 [INFO] [stderr] Downloaded slabbable-impl-selector v0.1.0 [INFO] [stderr] Downloaded capacity v0.1.2 [INFO] [stderr] Downloaded io-uring-fd v0.2.0-pre1 [INFO] [stderr] Downloaded io-uring v0.7.4 [INFO] [stderr] Downloaded slabbable-slab v0.1.0 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2dea036a10e2f77aaa075d1d595ae00d8100bebed65336ad81fdbc219fa5ad46 [INFO] running `Command { std: "docker" "start" "-a" "2dea036a10e2f77aaa075d1d595ae00d8100bebed65336ad81fdbc219fa5ad46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dea036a10e2f77aaa075d1d595ae00d8100bebed65336ad81fdbc219fa5ad46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dea036a10e2f77aaa075d1d595ae00d8100bebed65336ad81fdbc219fa5ad46", kill_on_drop: false }` [INFO] [stdout] 2dea036a10e2f77aaa075d1d595ae00d8100bebed65336ad81fdbc219fa5ad46 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a53a23820f998c156163644ce3147d2093fd5f37025a91d2209c408a410d791 [INFO] running `Command { std: "docker" "start" "-a" "1a53a23820f998c156163644ce3147d2093fd5f37025a91d2209c408a410d791", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling io-uring v0.7.4 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking foldhash v0.1.4 [INFO] [stderr] Checking slabbable v0.1.0 [INFO] [stderr] Checking io-uring-owner v0.2.0-pre1 [INFO] [stderr] Checking io-uring-fd v0.2.0-pre1 [INFO] [stderr] Checking capacity v0.1.2 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking slabbable-hash v0.1.0 [INFO] [stderr] Checking slabbable-impl-selector v0.1.0 [INFO] [stderr] Checking ysockaddr v0.2.0 [INFO] [stderr] Checking io-uring-opcode v0.2.0-pre3 [INFO] [stderr] Checking io-uring-bearer v0.2.0-pre3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `buf_idx` is never read [INFO] [stdout] --> src/slab/buffer.rs:88:16 [INFO] [stdout] | [INFO] [stdout] 87 | pub(crate) struct TakenMutableBuffer { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 88 | pub(crate) buf_idx: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TakenMutableBuffer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buf_idx`, `buf_size`, and `buf_kernel_index` are never read [INFO] [stdout] --> src/slab/buffer.rs:112:16 [INFO] [stdout] | [INFO] [stdout] 111 | pub(crate) struct TakenImmutableBuffer { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] 112 | pub(crate) buf_idx: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 113 | pub(crate) buf_const_u8: *const u8, [INFO] [stdout] 114 | pub(crate) buf_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 115 | pub(crate) buf_kernel_index: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TakenImmutableBuffer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_addr` is never read [INFO] [stdout] --> src/slab/send_zc.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct SendZcFixedRec { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | to_addr: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendZcFixedRec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_addr` is never read [INFO] [stdout] --> src/slab/send_zc.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct SendZcUnsafeRefRec { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 33 | to_addr: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendZcUnsafeRefRec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `V4` and `V6` are never constructed [INFO] [stdout] --> src/slab/send_zc.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 83 | pub enum DestTo { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 84 | V4(DestToV4), [INFO] [stdout] | ^^ [INFO] [stdout] 85 | V6(DestToV6), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `DestTo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sockaddr` and `socklen_t` are never read [INFO] [stdout] --> src/slab/send_zc.rs:91:16 [INFO] [stdout] | [INFO] [stdout] 90 | pub struct DestToV4 { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 91 | pub(crate) sockaddr: libc::sockaddr_in, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 92 | pub(crate) socklen_t: libc::socklen_t, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DestToV4` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sockaddr` and `socklen_t` are never read [INFO] [stdout] --> src/slab/send_zc.rs:98:16 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct DestToV6 { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 98 | pub(crate) sockaddr: libc::sockaddr_in6, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 99 | pub(crate) socklen_t: libc::socklen_t, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DestToV6` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fno2fixed` is never read [INFO] [stdout] --> src/fixed.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct FixedFdRegister { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 12 | fno2fixed: SelectedHashMap>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FixedFdRegister` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `buf_idx` is never read [INFO] [stdout] --> src/slab/buffer.rs:88:16 [INFO] [stdout] | [INFO] [stdout] 87 | pub(crate) struct TakenMutableBuffer { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] 88 | pub(crate) buf_idx: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TakenMutableBuffer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buf_idx`, `buf_size`, and `buf_kernel_index` are never read [INFO] [stdout] --> src/slab/buffer.rs:112:16 [INFO] [stdout] | [INFO] [stdout] 111 | pub(crate) struct TakenImmutableBuffer { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] 112 | pub(crate) buf_idx: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 113 | pub(crate) buf_const_u8: *const u8, [INFO] [stdout] 114 | pub(crate) buf_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 115 | pub(crate) buf_kernel_index: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TakenImmutableBuffer` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_addr` is never read [INFO] [stdout] --> src/slab/send_zc.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct SendZcFixedRec { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | to_addr: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendZcFixedRec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_addr` is never read [INFO] [stdout] --> src/slab/send_zc.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct SendZcUnsafeRefRec { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 33 | to_addr: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendZcUnsafeRefRec` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `V4` and `V6` are never constructed [INFO] [stdout] --> src/slab/send_zc.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 83 | pub enum DestTo { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 84 | V4(DestToV4), [INFO] [stdout] | ^^ [INFO] [stdout] 85 | V6(DestToV6), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `DestTo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sockaddr` and `socklen_t` are never read [INFO] [stdout] --> src/slab/send_zc.rs:91:16 [INFO] [stdout] | [INFO] [stdout] 90 | pub struct DestToV4 { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 91 | pub(crate) sockaddr: libc::sockaddr_in, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 92 | pub(crate) socklen_t: libc::socklen_t, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DestToV4` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sockaddr` and `socklen_t` are never read [INFO] [stdout] --> src/slab/send_zc.rs:98:16 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct DestToV6 { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 98 | pub(crate) sockaddr: libc::sockaddr_in6, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 99 | pub(crate) socklen_t: libc::socklen_t, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DestToV6` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fno2fixed` is never read [INFO] [stdout] --> src/fixed.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) struct FixedFdRegister { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 12 | fno2fixed: SelectedHashMap>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FixedFdRegister` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s [INFO] running `Command { std: "docker" "inspect" "1a53a23820f998c156163644ce3147d2093fd5f37025a91d2209c408a410d791", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a53a23820f998c156163644ce3147d2093fd5f37025a91d2209c408a410d791", kill_on_drop: false }` [INFO] [stdout] 1a53a23820f998c156163644ce3147d2093fd5f37025a91d2209c408a410d791