[INFO] fetching crate iaq-core 0.1.0...
[INFO] testing iaq-core-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate iaq-core 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate iaq-core 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iaq-core 0.1.0
[INFO] finished tweaking crates.io crate iaq-core 0.1.0
[INFO] tweaked toml for crates.io crate iaq-core 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate iaq-core 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d12246fbd6c3abe52e718326429d68ffc8a3100cc18c189aa23d048b2318ddaf
[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" "d12246fbd6c3abe52e718326429d68ffc8a3100cc18c189aa23d048b2318ddaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12246fbd6c3abe52e718326429d68ffc8a3100cc18c189aa23d048b2318ddaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12246fbd6c3abe52e718326429d68ffc8a3100cc18c189aa23d048b2318ddaf", kill_on_drop: false }`
[INFO] [stdout] d12246fbd6c3abe52e718326429d68ffc8a3100cc18c189aa23d048b2318ddaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2d669e1745e49b2852574a8b2bb790d333002c4796a323779b6c94cfa6d751
[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" "7a2d669e1745e49b2852574a8b2bb790d333002c4796a323779b6c94cfa6d751", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling iaq-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "7a2d669e1745e49b2852574a8b2bb790d333002c4796a323779b6c94cfa6d751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2d669e1745e49b2852574a8b2bb790d333002c4796a323779b6c94cfa6d751", kill_on_drop: false }`
[INFO] [stdout] 7a2d669e1745e49b2852574a8b2bb790d333002c4796a323779b6c94cfa6d751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00bb8c0f780b8ac57f3d24e8853e355661e311edafc424ed82b317500be06a1d
[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" "00bb8c0f780b8ac57f3d24e8853e355661e311edafc424ed82b317500be06a1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling embedded-hal-mock v0.7.1
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling spidev v0.4.0
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.0
[INFO] [stderr]    Compiling iaq-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "00bb8c0f780b8ac57f3d24e8853e355661e311edafc424ed82b317500be06a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bb8c0f780b8ac57f3d24e8853e355661e311edafc424ed82b317500be06a1d", kill_on_drop: false }`
[INFO] [stdout] 00bb8c0f780b8ac57f3d24e8853e355661e311edafc424ed82b317500be06a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "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] e7d9d69d1fff0a7cd8a4d3d6ba97a2f25638fd72c93d680b504a82c72a0d980f
[INFO] running `Command { std: "docker" "start" "-a" "e7d9d69d1fff0a7cd8a4d3d6ba97a2f25638fd72c93d680b504a82c72a0d980f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iaq_core-c67584b9632bf784)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9c7ebf7797c994f7)
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test can_get_resistance ... ok
[INFO] [stdout] test if_busy_returns_would_block ... ok
[INFO] [stdout] test if_warm_up_returns_would_block ... ok
[INFO] [stdout] test can_get_co2 ... ok
[INFO] [stdout] test can_create_and_destroy ... ok
[INFO] [stdout] test can_return_device_error ... ok
[INFO] [stdout] test can_get_tvoc ... ok
[INFO] [stdout] test can_get_measurement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iaq-core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 82) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 100) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 60) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7d9d69d1fff0a7cd8a4d3d6ba97a2f25638fd72c93d680b504a82c72a0d980f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d9d69d1fff0a7cd8a4d3d6ba97a2f25638fd72c93d680b504a82c72a0d980f", kill_on_drop: false }`
[INFO] [stdout] e7d9d69d1fff0a7cd8a4d3d6ba97a2f25638fd72c93d680b504a82c72a0d980f