[INFO] fetching crate i2c-linux 0.1.2...
[INFO] testing i2c-linux-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate i2c-linux 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate i2c-linux 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2c-linux 0.1.2
[INFO] finished tweaking crates.io crate i2c-linux 0.1.2
[INFO] tweaked toml for crates.io crate i2c-linux 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.0
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbced72cfe9b3fba9a75b4b4f4aeb8fe8ca68fedd7b799bd6e62ff0cc67595cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbced72cfe9b3fba9a75b4b4f4aeb8fe8ca68fedd7b799bd6e62ff0cc67595cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbced72cfe9b3fba9a75b4b4f4aeb8fe8ca68fedd7b799bd6e62ff0cc67595cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbced72cfe9b3fba9a75b4b4f4aeb8fe8ca68fedd7b799bd6e62ff0cc67595cd", kill_on_drop: false }`
[INFO] [stdout] bbced72cfe9b3fba9a75b4b4f4aeb8fe8ca68fedd7b799bd6e62ff0cc67595cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e8e1a759c8bb4a609a3131fe67efbd73b977698e841db1d5e4e2adbdbb9aa4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19e8e1a759c8bb4a609a3131fe67efbd73b977698e841db1d5e4e2adbdbb9aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling i2c-linux-sys v0.2.0
[INFO] [stderr]    Compiling resize-slice v0.1.3
[INFO] [stderr]    Compiling i2c-linux v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             mem::uninitialized()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "19e8e1a759c8bb4a609a3131fe67efbd73b977698e841db1d5e4e2adbdbb9aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e8e1a759c8bb4a609a3131fe67efbd73b977698e841db1d5e4e2adbdbb9aa4", kill_on_drop: false }`
[INFO] [stdout] 19e8e1a759c8bb4a609a3131fe67efbd73b977698e841db1d5e4e2adbdbb9aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e19c62ba7ecef1129f04fdb8c5373cf198d40385a646c1b31ecdeecbb10d7cef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e19c62ba7ecef1129f04fdb8c5373cf198d40385a646c1b31ecdeecbb10d7cef", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             mem::uninitialized()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling i2c-linux v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |             mem::uninitialized()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "e19c62ba7ecef1129f04fdb8c5373cf198d40385a646c1b31ecdeecbb10d7cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19c62ba7ecef1129f04fdb8c5373cf198d40385a646c1b31ecdeecbb10d7cef", kill_on_drop: false }`
[INFO] [stdout] e19c62ba7ecef1129f04fdb8c5373cf198d40385a646c1b31ecdeecbb10d7cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7bc23e803192a212dde87ffd5d940922f57641d24c399384179ffaf160dc8814
[INFO] running `Command { std: "docker" "start" "-a" "7bc23e803192a212dde87ffd5d940922f57641d24c399384179ffaf160dc8814", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |             mem::uninitialized()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:298:13
[INFO] [stderr]     |
[INFO] [stderr] 298 |             mem::uninitialized()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i2c_linux-ff8a41c992f9a097
[INFO] [stderr]    Doc-tests i2c-linux
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7bc23e803192a212dde87ffd5d940922f57641d24c399384179ffaf160dc8814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc23e803192a212dde87ffd5d940922f57641d24c399384179ffaf160dc8814", kill_on_drop: false }`
[INFO] [stdout] 7bc23e803192a212dde87ffd5d940922f57641d24c399384179ffaf160dc8814