[INFO] fetching crate heim-disk 0.1.0-rc.1...
[INFO] testing heim-disk-0.1.0-rc.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate heim-disk 0.1.0-rc.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate heim-disk 0.1.0-rc.1
[INFO] finished tweaking crates.io crate heim-disk 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate heim-disk 0.1.0-rc.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate heim-disk 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 core-foundation v0.9.4 (available: v0.10.1)
[INFO] [stderr]       Adding once_cell v1.5.2 (available: v1.21.3)
[INFO] [stderr]       Adding smol v1.2.5 (available: v1.3.0)
[INFO] [stderr]       Adding widestring v0.4.3 (available: v1.2.0)
[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 toml v0.7.8
[INFO] [stderr]   Downloaded waker-fn v1.2.0
[INFO] [stderr]   Downloaded event-listener v2.5.3
[INFO] [stderr]   Downloaded heim-derive v0.1.0-rc.1
[INFO] [stderr]   Downloaded heim-runtime v0.1.0-rc.1
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded version-sync v0.9.5
[INFO] [stderr]   Downloaded heim-common v0.1.0-rc.1
[INFO] [stderr]   Downloaded futures-timer v3.0.3
[INFO] [stderr]   Downloaded async-channel v1.9.0
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded async-lock v3.4.1
[INFO] [stderr]   Downloaded polling v3.11.0
[INFO] [stderr]   Downloaded uom v0.30.0
[INFO] [stderr]   Downloaded winnow v0.5.40
[INFO] [stderr]   Downloaded socket2 v0.4.10
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded async-io v2.6.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.6
[INFO] [stderr]   Downloaded io-lifetimes v1.0.11
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] [stderr]   Downloaded async-signal v0.2.13
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded async-executor v1.13.3
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded rustix v0.37.28
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded instant v0.1.13
[INFO] [stderr]   Downloaded futures-lite v1.13.0
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ff79daa5f9456eb1766b5ec3e4a9121e06498745f3ad4bdf702481d5e12956db
[INFO] running `Command { std: "docker" "start" "-a" "ff79daa5f9456eb1766b5ec3e4a9121e06498745f3ad4bdf702481d5e12956db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff79daa5f9456eb1766b5ec3e4a9121e06498745f3ad4bdf702481d5e12956db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff79daa5f9456eb1766b5ec3e4a9121e06498745f3ad4bdf702481d5e12956db", kill_on_drop: false }`
[INFO] [stdout] ff79daa5f9456eb1766b5ec3e4a9121e06498745f3ad4bdf702481d5e12956db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 55f5e323ed7d7df592772fe452e7357078c3f118a14038822c030d46d92bb645
[INFO] running `Command { std: "docker" "start" "-a" "55f5e323ed7d7df592772fe452e7357078c3f118a14038822c030d46d92bb645", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-executor v1.13.3
[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 blocking v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling uom v0.30.0
[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 futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[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-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-disk v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: fields `read_merged_count` and `write_merged_count` are never read
[INFO] [stdout]   --> src/sys/linux/counters.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct IoCounters {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     read_merged_count: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     write_merged_count: 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-disk` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "55f5e323ed7d7df592772fe452e7357078c3f118a14038822c030d46d92bb645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f5e323ed7d7df592772fe452e7357078c3f118a14038822c030d46d92bb645", kill_on_drop: false }`
[INFO] [stdout] 55f5e323ed7d7df592772fe452e7357078c3f118a14038822c030d46d92bb645