[INFO] fetching crate seify-rtlsdr 0.0.3...
[INFO] testing seify-rtlsdr-0.0.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate seify-rtlsdr 0.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate seify-rtlsdr 0.0.3
[INFO] finished tweaking crates.io crate seify-rtlsdr 0.0.3
[INFO] tweaked toml for crates.io crate seify-rtlsdr 0.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seify-rtlsdr 0.0.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seify-rtlsdr 0.0.3 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f48a36d27e4bfa963ce9e9672c25095f364cbdbf11ded55166c272c1def8bca
[INFO] running `Command { std: "docker" "start" "-a" "5f48a36d27e4bfa963ce9e9672c25095f364cbdbf11ded55166c272c1def8bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f48a36d27e4bfa963ce9e9672c25095f364cbdbf11ded55166c272c1def8bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f48a36d27e4bfa963ce9e9672c25095f364cbdbf11ded55166c272c1def8bca", kill_on_drop: false }`
[INFO] [stdout] 5f48a36d27e4bfa963ce9e9672c25095f364cbdbf11ded55166c272c1def8bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db1dc18002f262b2c294edf2060fa96ee0abd881b951d1dc0be3adc22539763
[INFO] running `Command { std: "docker" "start" "-a" "7db1dc18002f262b2c294edf2060fa96ee0abd881b951d1dc0be3adc22539763", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.57
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling rusb v0.9.2
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling fragile v2.0.0
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling syn v2.0.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stderr]    Compiling seify-rtlsdr v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/tuners/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TunerInfo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     pub id: &'static str,
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TunerInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_gain` is never used
[INFO] [stdout]   --> src/tuners/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Tuner: std::fmt::Debug {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn read_gain(&self, handle: &Device) -> Result<i32>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]    --> src/tuners/r820t.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct R820T {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 287 |     pub freq: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `R820T` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `Command { std: "docker" "inspect" "7db1dc18002f262b2c294edf2060fa96ee0abd881b951d1dc0be3adc22539763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db1dc18002f262b2c294edf2060fa96ee0abd881b951d1dc0be3adc22539763", kill_on_drop: false }`
[INFO] [stdout] 7db1dc18002f262b2c294edf2060fa96ee0abd881b951d1dc0be3adc22539763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 734dad350263db543e254d25343e847eebefcd6b21debc3d8a3faacb81f1263b
[INFO] running `Command { std: "docker" "start" "-a" "734dad350263db543e254d25343e847eebefcd6b21debc3d8a3faacb81f1263b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling rusb v0.9.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling mockall v0.11.4
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling seify-rtlsdr v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/tuners/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TunerInfo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     pub id: &'static str,
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TunerInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_gain` is never used
[INFO] [stdout]   --> src/tuners/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Tuner: std::fmt::Debug {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn read_gain(&self, handle: &Device) -> Result<i32>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]    --> src/tuners/r820t.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct R820T {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 287 |     pub freq: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `R820T` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ctrlc v3.2.5
[INFO] [stderr]    Compiling stderrlog v0.5.4
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rtlsdr_rs`
[INFO] [stdout]  --> examples/rtl_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rtlsdr_rs::{error::Result, RtlSdr};
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rtlsdr_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rtlsdr_rs`, use `cargo add rtlsdr_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rtlsdr_rs`
[INFO] [stdout]  --> examples/rtl_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rtlsdr_rs::{error::Result, RtlSdr};
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rtlsdr_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rtlsdr_rs`, use `cargo add rtlsdr_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rtlsdr_rs`
[INFO] [stdout]  --> examples/rtl_test.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let devices = rtlsdr_rs::enumerate()?;
[INFO] [stdout]   |                   ^^^^^^^^^ use of unresolved module or unlinked crate `rtlsdr_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rtlsdr_rs`, use `cargo add rtlsdr_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seify-rtlsdr` (example "rtl_test") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/tuners/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TunerInfo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     pub id: &'static str,
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TunerInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_gain` is never used
[INFO] [stdout]   --> src/tuners/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Tuner: std::fmt::Debug {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn read_gain(&self, handle: &Device) -> Result<i32>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]    --> src/tuners/r820t.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub struct R820T {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 287 |     pub freq: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `R820T` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "734dad350263db543e254d25343e847eebefcd6b21debc3d8a3faacb81f1263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734dad350263db543e254d25343e847eebefcd6b21debc3d8a3faacb81f1263b", kill_on_drop: false }`
[INFO] [stdout] 734dad350263db543e254d25343e847eebefcd6b21debc3d8a3faacb81f1263b