[INFO] fetching crate usbsdmux 0.1.0...
[INFO] testing usbsdmux-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate usbsdmux 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate usbsdmux 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbsdmux 0.1.0
[INFO] finished tweaking crates.io crate usbsdmux 0.1.0
[INFO] tweaked toml for crates.io crate usbsdmux 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate usbsdmux 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] [stderr]   Downloaded usb2642-i2c v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22f61c26e498abf44edb1ddb08520add6374cb743d94cbeca0c4ad173e11fe56
[INFO] running `Command { std: "docker" "start" "-a" "22f61c26e498abf44edb1ddb08520add6374cb743d94cbeca0c4ad173e11fe56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f61c26e498abf44edb1ddb08520add6374cb743d94cbeca0c4ad173e11fe56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f61c26e498abf44edb1ddb08520add6374cb743d94cbeca0c4ad173e11fe56", kill_on_drop: false }`
[INFO] [stdout] 22f61c26e498abf44edb1ddb08520add6374cb743d94cbeca0c4ad173e11fe56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c88df8590360d8b66005cf0d9b8ef67d3171f375cf0c2f32ef483a1991dbfbb3
[INFO] running `Command { std: "docker" "start" "-a" "c88df8590360d8b66005cf0d9b8ef67d3171f375cf0c2f32ef483a1991dbfbb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling usb2642-i2c v0.1.1
[INFO] [stderr]    Compiling usbsdmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InputPort`
[INFO] [stdout]   --> src/pca9536.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     InputPort = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PolarityInversion`
[INFO] [stdout]   --> src/pca9536.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     PolarityInversion = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/pca9536.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Input = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_register`
[INFO] [stdout]   --> src/pca9536.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn read_register(&mut self, register: Register) -> Result<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_input_port`
[INFO] [stdout]   --> src/pca9536.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_input_port(&mut self) -> Result<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_polarity_inversion`
[INFO] [stdout]   --> src/pca9536.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set_polarity_inversion(&mut self, pins: GpioPin) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "c88df8590360d8b66005cf0d9b8ef67d3171f375cf0c2f32ef483a1991dbfbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88df8590360d8b66005cf0d9b8ef67d3171f375cf0c2f32ef483a1991dbfbb3", kill_on_drop: false }`
[INFO] [stdout] c88df8590360d8b66005cf0d9b8ef67d3171f375cf0c2f32ef483a1991dbfbb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0584586fe960ca28c367bf9d323a1a07315aefd91a37916377182dbbad4c407b
[INFO] running `Command { std: "docker" "start" "-a" "0584586fe960ca28c367bf9d323a1a07315aefd91a37916377182dbbad4c407b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: variant is never constructed: `InputPort`
[INFO] [stdout]   --> src/pca9536.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     InputPort = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PolarityInversion`
[INFO] [stdout]   --> src/pca9536.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     PolarityInversion = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/pca9536.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Input = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_register`
[INFO] [stdout]   --> src/pca9536.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn read_register(&mut self, register: Register) -> Result<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_input_port`
[INFO] [stdout]   --> src/pca9536.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_input_port(&mut self) -> Result<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_polarity_inversion`
[INFO] [stdout]   --> src/pca9536.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set_polarity_inversion(&mut self, pins: GpioPin) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling usbsdmux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InputPort`
[INFO] [stdout]   --> src/pca9536.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     InputPort = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PolarityInversion`
[INFO] [stdout]   --> src/pca9536.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     PolarityInversion = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Input`
[INFO] [stdout]   --> src/pca9536.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Input = 1,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_register`
[INFO] [stdout]   --> src/pca9536.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn read_register(&mut self, register: Register) -> Result<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_input_port`
[INFO] [stdout]   --> src/pca9536.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_input_port(&mut self) -> Result<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_polarity_inversion`
[INFO] [stdout]   --> src/pca9536.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set_polarity_inversion(&mut self, pins: GpioPin) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "0584586fe960ca28c367bf9d323a1a07315aefd91a37916377182dbbad4c407b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0584586fe960ca28c367bf9d323a1a07315aefd91a37916377182dbbad4c407b", kill_on_drop: false }`
[INFO] [stdout] 0584586fe960ca28c367bf9d323a1a07315aefd91a37916377182dbbad4c407b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 619abeced231328bdd898319cdd39304886fa6f17ef05039bc470cb5caeda163
[INFO] running `Command { std: "docker" "start" "-a" "619abeced231328bdd898319cdd39304886fa6f17ef05039bc470cb5caeda163", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `InputPort`
[INFO] [stderr]   --> src/pca9536.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     InputPort = 0,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PolarityInversion`
[INFO] [stderr]   --> src/pca9536.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     PolarityInversion = 2,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Input`
[INFO] [stderr]   --> src/pca9536.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Input = 1,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_register`
[INFO] [stderr]   --> src/pca9536.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn read_register(&mut self, register: Register) -> Result<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_input_port`
[INFO] [stderr]   --> src/pca9536.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn get_input_port(&mut self) -> Result<u8> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_polarity_inversion`
[INFO] [stderr]   --> src/pca9536.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn set_polarity_inversion(&mut self, pins: GpioPin) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `usbsdmux` (lib) generated 6 warnings
[INFO] [stderr] warning: `usbsdmux` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/usbsdmux-8dc27885ed5f0fd5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests usbsdmux
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "619abeced231328bdd898319cdd39304886fa6f17ef05039bc470cb5caeda163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619abeced231328bdd898319cdd39304886fa6f17ef05039bc470cb5caeda163", kill_on_drop: false }`
[INFO] [stdout] 619abeced231328bdd898319cdd39304886fa6f17ef05039bc470cb5caeda163