[INFO] fetching crate iotree 0.1.2...
[INFO] checking iotree-0.1.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate iotree 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate iotree 0.1.2
[INFO] finished tweaking crates.io crate iotree 0.1.2
[INFO] tweaked toml for crates.io crate iotree 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iotree 0.1.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iotree 0.1.2 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1912249a3cbaf59a9c4847b90a28311ea70ad462d8a980e76050ed58b28ae9a
[INFO] running `Command { std: "docker" "start" "-a" "e1912249a3cbaf59a9c4847b90a28311ea70ad462d8a980e76050ed58b28ae9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1912249a3cbaf59a9c4847b90a28311ea70ad462d8a980e76050ed58b28ae9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1912249a3cbaf59a9c4847b90a28311ea70ad462d8a980e76050ed58b28ae9a", kill_on_drop: false }`
[INFO] [stdout] e1912249a3cbaf59a9c4847b90a28311ea70ad462d8a980e76050ed58b28ae9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca0fa4564a659c6c18b1b2f929d04bc4dfcfbdfc6e8bdb23e00f34bf9afecbe1
[INFO] running `Command { std: "docker" "start" "-a" "ca0fa4564a659c6c18b1b2f929d04bc4dfcfbdfc6e8bdb23e00f34bf9afecbe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]     Checking iotree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `read_merges`, `write_merges`, `io_ticks`, `weighted_io_ticks`, and `discard_merges` are never read
[INFO] [stdout]   --> src/diskstats.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct DeviceDiskStats {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     read_ios: u64,
[INFO] [stdout] 47 |     read_merges: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     write_merges: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     io_ticks: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 56 |     weighted_io_ticks: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 57 |     discard_ios: u64,
[INFO] [stdout] 58 |     discard_merges: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `read_merges`, `write_merges`, `io_ticks`, `weighted_io_ticks`, and `discard_merges` are never read
[INFO] [stdout]   --> src/diskstats.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct DeviceDiskStats {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 46 |     read_ios: u64,
[INFO] [stdout] 47 |     read_merges: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     write_merges: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     io_ticks: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 56 |     weighted_io_ticks: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 57 |     discard_ios: u64,
[INFO] [stdout] 58 |     discard_merges: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `Command { std: "docker" "inspect" "ca0fa4564a659c6c18b1b2f929d04bc4dfcfbdfc6e8bdb23e00f34bf9afecbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0fa4564a659c6c18b1b2f929d04bc4dfcfbdfc6e8bdb23e00f34bf9afecbe1", kill_on_drop: false }`
[INFO] [stdout] ca0fa4564a659c6c18b1b2f929d04bc4dfcfbdfc6e8bdb23e00f34bf9afecbe1