[INFO] fetching crate heim-disk 0.1.0-rc.1...
[INFO] testing heim-disk-0.1.0-rc.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate heim-disk 0.1.0-rc.1 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate heim-disk 0.1.0-rc.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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: v2.11.0)
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.1)
[INFO] [stderr]       Adding once_cell v1.5.2 (available: v1.21.4)
[INFO] [stderr]       Adding smol v1.2.5 (available: v1.3.0)
[INFO] [stderr]       Adding widestring v0.4.3 (available: v1.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2129f6c2d8963d9795c28d006745e4d0a2249335939c9804c70df797799535fa
[INFO] running `Command { std: "docker" "start" "-a" "2129f6c2d8963d9795c28d006745e4d0a2249335939c9804c70df797799535fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2129f6c2d8963d9795c28d006745e4d0a2249335939c9804c70df797799535fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2129f6c2d8963d9795c28d006745e4d0a2249335939c9804c70df797799535fa", kill_on_drop: false }`
[INFO] [stdout] 2129f6c2d8963d9795c28d006745e4d0a2249335939c9804c70df797799535fa
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e1a1358b41a466d18aae0b12b51c0011758a3ee25a5abe10a66c412b7b24e1
[INFO] running `Command { std: "docker" "start" "-a" "86e1a1358b41a466d18aae0b12b51c0011758a3ee25a5abe10a66c412b7b24e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling piper v0.2.5
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling syn v2.0.117
[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 num-integer v0.1.46
[INFO] [stderr]    Compiling event-listener v3.1.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.14.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-net v1.8.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling async-signal v0.2.14
[INFO] [stderr]    Compiling async-process v1.8.1
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[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" "86e1a1358b41a466d18aae0b12b51c0011758a3ee25a5abe10a66c412b7b24e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e1a1358b41a466d18aae0b12b51c0011758a3ee25a5abe10a66c412b7b24e1", kill_on_drop: false }`
[INFO] [stdout] 86e1a1358b41a466d18aae0b12b51c0011758a3ee25a5abe10a66c412b7b24e1