[INFO] fetching crate iotree 0.1.2...
[INFO] checking iotree-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate iotree 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iotree 0.1.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79bd58b04e02ec5c0e760bf0a3eeda5061f51dd1cd44e936b0c7747f0e9e0c26
[INFO] running `Command { std: "docker" "start" "-a" "79bd58b04e02ec5c0e760bf0a3eeda5061f51dd1cd44e936b0c7747f0e9e0c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79bd58b04e02ec5c0e760bf0a3eeda5061f51dd1cd44e936b0c7747f0e9e0c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bd58b04e02ec5c0e760bf0a3eeda5061f51dd1cd44e936b0c7747f0e9e0c26", kill_on_drop: false }`
[INFO] [stdout] 79bd58b04e02ec5c0e760bf0a3eeda5061f51dd1cd44e936b0c7747f0e9e0c26
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35659acb28d2bd16bf2df02f0134faf4c961781b88297e126933137b7cc0fc1b
[INFO] running `Command { std: "docker" "start" "-a" "35659acb28d2bd16bf2df02f0134faf4c961781b88297e126933137b7cc0fc1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[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 7.80s
[INFO] running `Command { std: "docker" "inspect" "35659acb28d2bd16bf2df02f0134faf4c961781b88297e126933137b7cc0fc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35659acb28d2bd16bf2df02f0134faf4c961781b88297e126933137b7cc0fc1b", kill_on_drop: false }`
[INFO] [stdout] 35659acb28d2bd16bf2df02f0134faf4c961781b88297e126933137b7cc0fc1b