[INFO] fetching crate heim-net 0.1.0-rc.1...
[INFO] testing heim-net-0.1.0-rc.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate heim-net 0.1.0-rc.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate heim-net 0.1.0-rc.1
[INFO] finished tweaking crates.io crate heim-net 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate heim-net 0.1.0-rc.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate heim-net 0.1.0-rc.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 157 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding nix v0.19.1 (available: v0.30.1)
[INFO] [stderr]       Adding once_cell v1.5.2 (available: v1.21.3)
[INFO] [stderr]       Adding smol v1.2.5 (available: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heim-derive v0.1.0-rc.1
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded heim-runtime v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-common v0.1.0-rc.1
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded uom v0.30.0
[INFO] [stderr]   Downloaded nix v0.19.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca574d66d773d9080e32021d329b8319931cbd03284ff5a05d9bafde6ba8940b
[INFO] running `Command { std: "docker" "start" "-a" "ca574d66d773d9080e32021d329b8319931cbd03284ff5a05d9bafde6ba8940b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca574d66d773d9080e32021d329b8319931cbd03284ff5a05d9bafde6ba8940b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca574d66d773d9080e32021d329b8319931cbd03284ff5a05d9bafde6ba8940b", kill_on_drop: false }`
[INFO] [stdout] ca574d66d773d9080e32021d329b8319931cbd03284ff5a05d9bafde6ba8940b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10994e0760acac339428dec92f3501051f6e6af85f819f8b15a0ca3fdacba7da
[INFO] running `Command { std: "docker" "start" "-a" "10994e0760acac339428dec92f3501051f6e6af85f819f8b15a0ca3fdacba7da", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling macaddr v1.0.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling heim-runtime v0.1.0-rc.1
[INFO] [stderr]    Compiling heim-net v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: multiple fields are never read
[INFO] [stdout]   --> src/sys/linux/counters.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct IoCounters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     rx_fifo: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     rx_frame: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     rx_compressed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 20 |     rx_multicast: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     tx_fifo: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     tx_frame: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     tx_compressed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 28 |     tx_multicast: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IoCounters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead_code,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `heim-net` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "10994e0760acac339428dec92f3501051f6e6af85f819f8b15a0ca3fdacba7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10994e0760acac339428dec92f3501051f6e6af85f819f8b15a0ca3fdacba7da", kill_on_drop: false }`
[INFO] [stdout] 10994e0760acac339428dec92f3501051f6e6af85f819f8b15a0ca3fdacba7da