[INFO] fetching crate i2c-reg 0.1.2...
[INFO] testing i2c-reg-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate i2c-reg 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate i2c-reg 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea1c6d736239acaa3d5b8fa923bd8e52f7dab9327e667d62c0a5c39f44c7639
[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" "7ea1c6d736239acaa3d5b8fa923bd8e52f7dab9327e667d62c0a5c39f44c7639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea1c6d736239acaa3d5b8fa923bd8e52f7dab9327e667d62c0a5c39f44c7639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea1c6d736239acaa3d5b8fa923bd8e52f7dab9327e667d62c0a5c39f44c7639", kill_on_drop: false }`
[INFO] [stdout] 7ea1c6d736239acaa3d5b8fa923bd8e52f7dab9327e667d62c0a5c39f44c7639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9951aff2f49a5d8048b36473fdabe40cffaacfb50e706759ffac65d31bbbffbe
[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" "9951aff2f49a5d8048b36473fdabe40cffaacfb50e706759ffac65d31bbbffbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.60s
[INFO] running `Command { std: "docker" "inspect" "9951aff2f49a5d8048b36473fdabe40cffaacfb50e706759ffac65d31bbbffbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9951aff2f49a5d8048b36473fdabe40cffaacfb50e706759ffac65d31bbbffbe", kill_on_drop: false }`
[INFO] [stdout] 9951aff2f49a5d8048b36473fdabe40cffaacfb50e706759ffac65d31bbbffbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ed37e3db545795a9c870e8488715ade881e4e02536da65f21ee3a771797e588
[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" "9ed37e3db545795a9c870e8488715ade881e4e02536da65f21ee3a771797e588", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2c-reg v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "9ed37e3db545795a9c870e8488715ade881e4e02536da65f21ee3a771797e588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed37e3db545795a9c870e8488715ade881e4e02536da65f21ee3a771797e588", kill_on_drop: false }`
[INFO] [stdout] 9ed37e3db545795a9c870e8488715ade881e4e02536da65f21ee3a771797e588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb59b1136e356a8fbcf99d5943c1840641ce5d3a20a3c62e4da89a1585169e8a
[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" "fb59b1136e356a8fbcf99d5943c1840641ce5d3a20a3c62e4da89a1585169e8a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i2c_reg-004f51348599eab7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2c-reg
[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 4 tests
[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/registers.rs - registers::I2cWriteRegister (line 70) ... 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; finished in 1.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb59b1136e356a8fbcf99d5943c1840641ce5d3a20a3c62e4da89a1585169e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb59b1136e356a8fbcf99d5943c1840641ce5d3a20a3c62e4da89a1585169e8a", kill_on_drop: false }`
[INFO] [stdout] fb59b1136e356a8fbcf99d5943c1840641ce5d3a20a3c62e4da89a1585169e8a