[INFO] fetching crate virtualcam 0.1.1...
[INFO] checking virtualcam-0.1.1 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721-1
[INFO] extracting crate virtualcam 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate virtualcam 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate virtualcam 0.1.1
[INFO] tweaked toml for crates.io crate virtualcam 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtualcam 0.1.1 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virtualcam 0.1.1 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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.42
[INFO] [stderr]   Downloaded winreg v0.52.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.103
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8
[INFO] running `Command { std: "docker" "start" "03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8", 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" "03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8", 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" "03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling virtualcam v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking jiff v0.2.16
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking ctrlc v3.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> src/backend/linux_v4l2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ffi::CString;
[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: `RawFd`
[INFO] [stdout]   --> src/backend/linux_v4l2.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         fps: f64,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct V4l2Backend {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 108 |     width: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 109 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> src/backend/linux_v4l2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ffi::CString;
[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: `RawFd`
[INFO] [stdout]   --> src/backend/linux_v4l2.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::os::unix::io::{AsRawFd, RawFd};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fps`
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         fps: f64,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_fps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]    --> src/backend/linux_v4l2.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct V4l2Backend {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 108 |     width: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 109 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.66s
[INFO] running `Command { std: "docker" "inspect" "03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8", kill_on_drop: false }`
[INFO] [stdout] 03fd51f334d92d2aaca23fcf1b6a1032522fc8eeed862a89179d93e87c9142f8