[INFO] fetching crate i2c-reg 0.1.2...
[INFO] testing i2c-reg-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate i2c-reg 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate i2c-reg 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-reg 0.1.2
[INFO] finished tweaking crates.io crate i2c-reg 0.1.2
[INFO] tweaked toml for crates.io crate i2c-reg 0.1.2 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 54987b65cf58423a1ccbc7fdc175bd2df1e33ba9a4e431b58c0440f030a7e1aa
[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" "54987b65cf58423a1ccbc7fdc175bd2df1e33ba9a4e431b58c0440f030a7e1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54987b65cf58423a1ccbc7fdc175bd2df1e33ba9a4e431b58c0440f030a7e1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54987b65cf58423a1ccbc7fdc175bd2df1e33ba9a4e431b58c0440f030a7e1aa", kill_on_drop: false }`
[INFO] [stdout] 54987b65cf58423a1ccbc7fdc175bd2df1e33ba9a4e431b58c0440f030a7e1aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 29b07c4ee3e101c26ef088aa6596c7b9437df440fe427795cc335cc5f3242fed
[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" "29b07c4ee3e101c26ef088aa6596c7b9437df440fe427795cc335cc5f3242fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2c-reg-derive v0.1.2
[INFO] [stderr]    Compiling i2c-reg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "29b07c4ee3e101c26ef088aa6596c7b9437df440fe427795cc335cc5f3242fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b07c4ee3e101c26ef088aa6596c7b9437df440fe427795cc335cc5f3242fed", kill_on_drop: false }`
[INFO] [stdout] 29b07c4ee3e101c26ef088aa6596c7b9437df440fe427795cc335cc5f3242fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0ff124281a5810e662d3ad123110a9c9000e793ffd93589a77bf5bfdd731e3bc
[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" "0ff124281a5810e662d3ad123110a9c9000e793ffd93589a77bf5bfdd731e3bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2c-reg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "0ff124281a5810e662d3ad123110a9c9000e793ffd93589a77bf5bfdd731e3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff124281a5810e662d3ad123110a9c9000e793ffd93589a77bf5bfdd731e3bc", kill_on_drop: false }`
[INFO] [stdout] 0ff124281a5810e662d3ad123110a9c9000e793ffd93589a77bf5bfdd731e3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1698f21d2cdc8b30d033d347526b7e448c73896c9f4b8d713206d6aafb81edf3
[INFO] running `Command { std: "docker" "start" "-a" "1698f21d2cdc8b30d033d347526b7e448c73896c9f4b8d713206d6aafb81edf3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i2c_reg-1912bae3beeeddcf
[INFO] [stderr]    Doc-tests i2c-reg
[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 4 tests
[INFO] [stdout] test src/registers.rs - registers::I2cWriteRegister (line 70) ... ok
[INFO] [stdout] test src/registers.rs - registers::I2cReadRegister (line 36) ... ok
[INFO] [stdout] test src/registers.rs - registers::Register (line 8) ... ok
[INFO] [stdout] test src/i2c_interface.rs - i2c_interface::I2cInterface (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1698f21d2cdc8b30d033d347526b7e448c73896c9f4b8d713206d6aafb81edf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1698f21d2cdc8b30d033d347526b7e448c73896c9f4b8d713206d6aafb81edf3", kill_on_drop: false }`
[INFO] [stdout] 1698f21d2cdc8b30d033d347526b7e448c73896c9f4b8d713206d6aafb81edf3