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[INFO] [stdout] be14fa5ef7c31f5da45437a6cd9b577bcda17e8c
[INFO] building Kezii/hackrf_spectrum against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
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[INFO] validating manifest of git repo https://github.com/Kezii/hackrf_spectrum on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
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[INFO] finished tweaking git repo https://github.com/Kezii/hackrf_spectrum
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[INFO] crate git repo https://github.com/Kezii/hackrf_spectrum already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling hackrf_spectrum_analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sw`
[INFO] [stdout]    --> src/main.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let sw = run_sweep();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `date`, `time`, and `num_samples` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SweepLine {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 16 |     date: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     time: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     num_samples: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SweepLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hz_low`, `hz_high`, and `hz_bin_width` are never read
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Sweep {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 52 |     hz_low: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 53 |     hz_high: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 54 |     hz_bin_width: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sweep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `red_blue_color_map` is never used
[INFO] [stdout]    --> src/main.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn red_blue_color_map(db: f32, max_db: f32, min_db: f32) -> (u8, u8, u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "86db7ab60068180dece8ba8f82079f7c7bc9417f85127895dfff7f3104a0778f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86db7ab60068180dece8ba8f82079f7c7bc9417f85127895dfff7f3104a0778f", kill_on_drop: false }`
[INFO] [stdout] 86db7ab60068180dece8ba8f82079f7c7bc9417f85127895dfff7f3104a0778f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8013d7cae82ed8ec376c71ef7995bb812e10dd18f39fa9ae2b398279350a2a78
[INFO] running `Command { std: "docker" "start" "-a" "8013d7cae82ed8ec376c71ef7995bb812e10dd18f39fa9ae2b398279350a2a78", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackrf_spectrum_analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `sw`
[INFO] [stdout]    --> src/main.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let sw = run_sweep();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `date`, `time`, and `num_samples` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct SweepLine {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 16 |     date: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     time: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     num_samples: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SweepLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hz_low`, `hz_high`, and `hz_bin_width` are never read
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Sweep {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 52 |     hz_low: u64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 53 |     hz_high: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 54 |     hz_bin_width: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Sweep` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `red_blue_color_map` is never used
[INFO] [stdout]    --> src/main.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn red_blue_color_map(db: f32, max_db: f32, min_db: f32) -> (u8, u8, u8) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "8013d7cae82ed8ec376c71ef7995bb812e10dd18f39fa9ae2b398279350a2a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8013d7cae82ed8ec376c71ef7995bb812e10dd18f39fa9ae2b398279350a2a78", kill_on_drop: false }`
[INFO] [stdout] 8013d7cae82ed8ec376c71ef7995bb812e10dd18f39fa9ae2b398279350a2a78