[INFO] fetching crate ham 0.2.0...
[INFO] checking ham-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ham 0.2.0 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate ham 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ham 0.2.0
[INFO] finished tweaking crates.io crate ham 0.2.0
[INFO] tweaked toml for crates.io crate ham 0.2.0 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate crates.io crate ham 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded num-derive v0.3.2
[INFO] [stderr]   Downloaded spin_sleep v0.3.7
[INFO] [stderr]   Downloaded gpio-cdev v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 614b2a852cd70ea8b5e5090de619f805f4b08f7ca21250d995fe9fce224e0eda
[INFO] running `Command { std: "docker" "start" "-a" "614b2a852cd70ea8b5e5090de619f805f4b08f7ca21250d995fe9fce224e0eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "614b2a852cd70ea8b5e5090de619f805f4b08f7ca21250d995fe9fce224e0eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614b2a852cd70ea8b5e5090de619f805f4b08f7ca21250d995fe9fce224e0eda", kill_on_drop: false }`
[INFO] [stdout] 614b2a852cd70ea8b5e5090de619f805f4b08f7ca21250d995fe9fce224e0eda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b092701a2d627fa6b4435fed32bd556cde86ae384975b06e9fe6510061486b47
[INFO] running `Command { std: "docker" "start" "-a" "b092701a2d627fa6b4435fed32bd556cde86ae384975b06e9fe6510061486b47", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking gpio-cdev v0.2.0
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]    Compiling num-derive v0.3.2
[INFO] [stderr]     Checking ham v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]   --> src/rfm69/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::Index;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Filtering`
[INFO] [stdout]  --> src/rfm69/receiver.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::rfm69::{DCFree, Filtering, Mode, PacketConfig, Rfm69, SyncConfig};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `RwLock`
[INFO] [stdout]   --> src/rfm69/receiver.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock};
[INFO] [stdout]    |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]   --> src/rfm69/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::Index;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Filtering`
[INFO] [stdout]  --> src/rfm69/receiver.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::rfm69::{DCFree, Filtering, Mode, PacketConfig, Rfm69, SyncConfig};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `RwLock`
[INFO] [stdout]   --> src/rfm69/receiver.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, RwLock};
[INFO] [stdout]    |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_true_irq`
[INFO] [stdout]    --> src/rfm69/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn is_true_irq(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_fifo_overrun`
[INFO] [stdout]     --> src/rfm69/mod.rs:1027:8
[INFO] [stdout]      |
[INFO] [stdout] 1027 |     fn get_fifo_overrun(&self) -> Result<IrqWait, Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_payload_ready`
[INFO] [stdout]     --> src/rfm69/mod.rs:1085:8
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     fn get_payload_ready(&self) -> Result<IrqWait, Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sync_address`
[INFO] [stdout]     --> src/rfm69/mod.rs:1173:8
[INFO] [stdout]      |
[INFO] [stdout] 1173 |     fn get_sync_address(&self) -> Result<IrqWait, Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetBroadcast`
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     SetBroadcast(A),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_true_irq`
[INFO] [stdout]    --> src/rfm69/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn is_true_irq(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_fifo_overrun`
[INFO] [stdout]     --> src/rfm69/mod.rs:1027:8
[INFO] [stdout]      |
[INFO] [stdout] 1027 |     fn get_fifo_overrun(&self) -> Result<IrqWait, Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_payload_ready`
[INFO] [stdout]     --> src/rfm69/mod.rs:1085:8
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     fn get_payload_ready(&self) -> Result<IrqWait, Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sync_address`
[INFO] [stdout]     --> src/rfm69/mod.rs:1173:8
[INFO] [stdout]      |
[INFO] [stdout] 1173 |     fn get_sync_address(&self) -> Result<IrqWait, Error> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetBroadcast`
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     SetBroadcast(A),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> tests/rfm69.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bitrate`
[INFO] [stdout]    --> tests/rfm69.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let bitrate = rfm1.bitrate();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bitrate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/rfm69.rs:318:16
[INFO] [stdout]     |
[INFO] [stdout] 318 |     let (rfm1, mut rfm2) = get_pair();
[INFO] [stdout]     |                ----^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/rfm69.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     rfm.set_dio_mapping(dm);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.62s
[INFO] running `Command { std: "docker" "inspect" "b092701a2d627fa6b4435fed32bd556cde86ae384975b06e9fe6510061486b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b092701a2d627fa6b4435fed32bd556cde86ae384975b06e9fe6510061486b47", kill_on_drop: false }`
[INFO] [stdout] b092701a2d627fa6b4435fed32bd556cde86ae384975b06e9fe6510061486b47
