[INFO] cloning repository https://github.com/antoninhrlt/i2clib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antoninhrlt/i2clib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b07d29bc675109e80d2852e7d226a2a5bca979d0
[INFO] checking antoninhrlt/i2clib against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/antoninhrlt/i2clib
[INFO] finished tweaking git repo https://github.com/antoninhrlt/i2clib
[INFO] tweaked toml for git repo https://github.com/antoninhrlt/i2clib written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/antoninhrlt/i2clib on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/antoninhrlt/i2clib 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d88f98a98b94381bdb124eb8806662f738251bee5019ae7cb67cb132228ea5e1
[INFO] running `Command { std: "docker" "start" "-a" "d88f98a98b94381bdb124eb8806662f738251bee5019ae7cb67cb132228ea5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88f98a98b94381bdb124eb8806662f738251bee5019ae7cb67cb132228ea5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88f98a98b94381bdb124eb8806662f738251bee5019ae7cb67cb132228ea5e1", kill_on_drop: false }`
[INFO] [stdout] d88f98a98b94381bdb124eb8806662f738251bee5019ae7cb67cb132228ea5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a10414a2a99af92b5bd51f18732da1cd58900b103290aa4d230936b885ae392e
[INFO] running `Command { std: "docker" "start" "-a" "a10414a2a99af92b5bd51f18732da1cd58900b103290aa4d230936b885ae392e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking i2clib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/device.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/device.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoRawFd` and `RawFd`
[INFO] [stdout]  --> src/device.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::{RawFd, IntoRawFd};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr`
[INFO] [stdout]   --> src/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     addr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/device.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/device.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoRawFd` and `RawFd`
[INFO] [stdout]  --> src/device.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::{RawFd, IntoRawFd};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr`
[INFO] [stdout]   --> src/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     addr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write(&mut self, data: u32) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/device.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fill`
[INFO] [stdout]   --> src/device.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write(&mut self, data: u32) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/device.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fill`
[INFO] [stdout]   --> src/device.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `driver`, `width`, and `height` are never read
[INFO] [stdout]   --> src/device.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Device {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     driver: Driver,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sda` and `sck` are never read
[INFO] [stdout]   --> src/driver.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Driver {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     sda: Gpio,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 28 |     /// Serial clock (lines), also known as `scl`
[INFO] [stdout] 29 |     sck: Gpio,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_SPEED_MODe` should have an upper case name
[INFO] [stdout]   --> src/speed.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HIGH_SPEED_MODe: Speed = 3400;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HIGH_SPEED_MODE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `driver`, `width`, and `height` are never read
[INFO] [stdout]   --> src/device.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Device {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     driver: Driver,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sda` and `sck` are never read
[INFO] [stdout]   --> src/driver.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Driver {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     sda: Gpio,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 28 |     /// Serial clock (lines), also known as `scl`
[INFO] [stdout] 29 |     sck: Gpio,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_SPEED_MODe` should have an upper case name
[INFO] [stdout]   --> src/speed.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HIGH_SPEED_MODe: Speed = 3400;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HIGH_SPEED_MODE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `device::Device` and `driver::Driver`
[INFO] [stdout]  --> tests/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     device::Device,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     driver::Driver,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sda`
[INFO] [stdout]   --> tests/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let sda = Gpio::new(3);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sda`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sck`
[INFO] [stdout]   --> tests/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let sck = Gpio::new(5);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "a10414a2a99af92b5bd51f18732da1cd58900b103290aa4d230936b885ae392e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10414a2a99af92b5bd51f18732da1cd58900b103290aa4d230936b885ae392e", kill_on_drop: false }`
[INFO] [stdout] a10414a2a99af92b5bd51f18732da1cd58900b103290aa4d230936b885ae392e