[INFO] fetching crate io-uring-bearer 0.2.0-pre2... [INFO] checking io-uring-bearer-0.2.0-pre2 against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844 [INFO] extracting crate io-uring-bearer 0.2.0-pre2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate io-uring-bearer 0.2.0-pre2 on toolchain d93f678fa55842cccd2f091deccd93e9494b3764 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate io-uring-bearer 0.2.0-pre2 [INFO] finished tweaking crates.io crate io-uring-bearer 0.2.0-pre2 [INFO] tweaked toml for crates.io crate io-uring-bearer 0.2.0-pre2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded io-uring-fd v0.2.0-pre1 [INFO] [stderr] Downloaded io-uring-opcode v0.2.0-pre2 [INFO] [stderr] Downloaded io-uring v0.7.4 [INFO] [stderr] Downloaded capacity v0.1.2 [INFO] [stderr] Downloaded io-uring-owner v0.2.0-pre1 [INFO] [stderr] Downloaded slabbable-hash v0.1.0 [INFO] [stderr] Downloaded slabbable-impl-selector v0.1.0 [INFO] [stderr] Downloaded slabbable v0.1.0 [INFO] [stderr] Downloaded slabbable-stablevec v0.1.0 [INFO] [stderr] Downloaded slabbable-slab v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2904209242ea77a908a03b33ba94a11064f881539b4d46e3a4e96fa1fcc866cf [INFO] running `Command { std: "docker" "start" "-a" "2904209242ea77a908a03b33ba94a11064f881539b4d46e3a4e96fa1fcc866cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2904209242ea77a908a03b33ba94a11064f881539b4d46e3a4e96fa1fcc866cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2904209242ea77a908a03b33ba94a11064f881539b4d46e3a4e96fa1fcc866cf", kill_on_drop: false }` [INFO] [stdout] 2904209242ea77a908a03b33ba94a11064f881539b4d46e3a4e96fa1fcc866cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec470fff190f41188eb21b8783565f966243383f166d9472c4de4a0687570300 [INFO] running `Command { std: "docker" "start" "-a" "ec470fff190f41188eb21b8783565f966243383f166d9472c4de4a0687570300", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling io-uring v0.7.4 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking slabbable v0.1.0 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking nohash-hasher v0.2.0 [INFO] [stderr] Checking io-uring-owner v0.2.0-pre1 [INFO] [stderr] Checking capacity v0.1.2 [INFO] [stderr] Checking io-uring-fd v0.2.0-pre1 [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 io-uring-opcode v0.2.0-pre2 [INFO] [stderr] Checking io-uring-bearer v0.2.0-pre2 (/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 3.72s [INFO] running `Command { std: "docker" "inspect" "ec470fff190f41188eb21b8783565f966243383f166d9472c4de4a0687570300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec470fff190f41188eb21b8783565f966243383f166d9472c4de4a0687570300", kill_on_drop: false }` [INFO] [stdout] ec470fff190f41188eb21b8783565f966243383f166d9472c4de4a0687570300