[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] a797b6b651c424c911f4027ca326f759db96fe47
[INFO] testing antoninhrlt/i2clib against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antoninhrlt/i2clib on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-69/source/Cargo.toml
[INFO] crate git repo https://github.com/antoninhrlt/i2clib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bba2abd9bfb834f9425c50e6ddfdc4ff012e5ec4f34f3eddb08f32378cca1c0
[INFO] running `Command { std: "docker" "start" "-a" "9bba2abd9bfb834f9425c50e6ddfdc4ff012e5ec4f34f3eddb08f32378cca1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bba2abd9bfb834f9425c50e6ddfdc4ff012e5ec4f34f3eddb08f32378cca1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bba2abd9bfb834f9425c50e6ddfdc4ff012e5ec4f34f3eddb08f32378cca1c0", kill_on_drop: false }`
[INFO] [stdout] 9bba2abd9bfb834f9425c50e6ddfdc4ff012e5ec4f34f3eddb08f32378cca1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b80db40cec1bb86d2eddf1266fab67d4ca09de2386a931f27ea7bdbfb1f3dcb3
[INFO] running `Command { std: "docker" "start" "-a" "b80db40cec1bb86d2eddf1266fab67d4ca09de2386a931f27ea7bdbfb1f3dcb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling i2clib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub unsafe fn write(&mut self, data: i32) -> Result<usize, io::Error> {
[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:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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: field is never read: `width`
[INFO] [stdout]   --> src/device.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     width: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/device.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     height: i32
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 23s
[INFO] running `Command { std: "docker" "inspect" "b80db40cec1bb86d2eddf1266fab67d4ca09de2386a931f27ea7bdbfb1f3dcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80db40cec1bb86d2eddf1266fab67d4ca09de2386a931f27ea7bdbfb1f3dcb3", kill_on_drop: false }`
[INFO] [stdout] b80db40cec1bb86d2eddf1266fab67d4ca09de2386a931f27ea7bdbfb1f3dcb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 980d319c7a817e58edf9630c71e38515c0bc9569c988da201485646549eff301
[INFO] running `Command { std: "docker" "start" "-a" "980d319c7a817e58edf9630c71e38515c0bc9569c988da201485646549eff301", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling i2clib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub unsafe fn write(&mut self, data: i32) -> Result<usize, io::Error> {
[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:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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: field is never read: `width`
[INFO] [stdout]   --> src/device.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     width: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/device.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     height: i32
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub unsafe fn write(&mut self, data: i32) -> Result<usize, io::Error> {
[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:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |     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: field is never read: `width`
[INFO] [stdout]   --> src/device.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     width: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/device.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     height: i32
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "980d319c7a817e58edf9630c71e38515c0bc9569c988da201485646549eff301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980d319c7a817e58edf9630c71e38515c0bc9569c988da201485646549eff301", kill_on_drop: false }`
[INFO] [stdout] 980d319c7a817e58edf9630c71e38515c0bc9569c988da201485646549eff301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d4406188778c56b9ea34b5170b34168822b2d775479580dc394c9c37021682c
[INFO] running `Command { std: "docker" "start" "-a" "7d4406188778c56b9ea34b5170b34168822b2d775479580dc394c9c37021682c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/device.rs:36:36
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub unsafe fn write(&mut self, data: i32) -> Result<usize, io::Error> {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stdout] 
[INFO] [stderr]   --> src/device.rs:56:28
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fill`
[INFO] [stderr]   --> src/device.rs:56:42
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stderr]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/device.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     width: i32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/device.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     height: i32
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `i2clib` (lib) generated 5 warnings
[INFO] [stderr] warning: `i2clib` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i2clib-2f0912762488b55c)
[INFO] [stderr]    Doc-tests i2clib
[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" "7d4406188778c56b9ea34b5170b34168822b2d775479580dc394c9c37021682c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4406188778c56b9ea34b5170b34168822b2d775479580dc394c9c37021682c", kill_on_drop: false }`
[INFO] [stdout] 7d4406188778c56b9ea34b5170b34168822b2d775479580dc394c9c37021682c