[INFO] fetching crate crate_usb_dyzs 0.1.3...
[INFO] checking crate_usb_dyzs-0.1.3 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate crate_usb_dyzs 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate crate_usb_dyzs 0.1.3
[INFO] finished tweaking crates.io crate crate_usb_dyzs 0.1.3
[INFO] tweaked toml for crates.io crate crate_usb_dyzs 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crate_usb_dyzs 0.1.3 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.10.1
[INFO] [stderr]   Downloaded unescaper v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148
[INFO] running `Command { std: "docker" "start" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]     Checking serde_json v1.0.151
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking socket2 v0.6.5
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking thiserror v2.0.20
[INFO] [stderr]     Checking unescaper v0.1.10
[INFO] [stderr]     Checking serialport v4.10.1
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking crate_usb_dyzs v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserializer`
[INFO] [stdout]  --> src/lib.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Deserializer, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `count` is never read
[INFO] [stdout]    --> src/lib.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   count += 1;
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> src/lib.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   count += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/lib.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let mut count = 0;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `count` is never read
[INFO] [stdout]    --> src/lib.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   count += 1;
[INFO] [stdout]     |                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: did you mean to capture by reference instead?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> src/lib.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   count += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]    --> src/lib.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let mut count = 0;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.71s
[INFO] running `Command { std: "docker" "inspect" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148", kill_on_drop: false }`
[INFO] [stdout] b54cb3cb5fe755399d5aea950232469bd0a9475abd2100d129d1a65bec592148
