[INFO] fetching crate i2cdev_rfd77402 0.1.0...
[INFO] testing i2cdev_rfd77402-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate i2cdev_rfd77402 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate i2cdev_rfd77402 0.1.0 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 i2cdev_rfd77402 0.1.0
[INFO] finished tweaking crates.io crate i2cdev_rfd77402 0.1.0
[INFO] tweaked toml for crates.io crate i2cdev_rfd77402 0.1.0 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2c844aa3fd623cebf5d55c760cdc79c294203442e6f4807eebfd8408d3b59c83
[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" "2c844aa3fd623cebf5d55c760cdc79c294203442e6f4807eebfd8408d3b59c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c844aa3fd623cebf5d55c760cdc79c294203442e6f4807eebfd8408d3b59c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c844aa3fd623cebf5d55c760cdc79c294203442e6f4807eebfd8408d3b59c83", kill_on_drop: false }`
[INFO] [stdout] 2c844aa3fd623cebf5d55c760cdc79c294203442e6f4807eebfd8408d3b59c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 43f20e2680e060340110cd441d1faaa67dd58ada5af81f976e2a5cfd14d2c85f
[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" "43f20e2680e060340110cd441d1faaa67dd58ada5af81f976e2a5cfd14d2c85f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stderr]    Compiling skeptic v0.13.5
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling i2cdev_rfd77402 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.84s
[INFO] running `Command { std: "docker" "inspect" "43f20e2680e060340110cd441d1faaa67dd58ada5af81f976e2a5cfd14d2c85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f20e2680e060340110cd441d1faaa67dd58ada5af81f976e2a5cfd14d2c85f", kill_on_drop: false }`
[INFO] [stdout] 43f20e2680e060340110cd441d1faaa67dd58ada5af81f976e2a5cfd14d2c85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b405d221ae08c9d968ec669353d105e28b7f432cb8a223e0e7a38614a93651ee
[INFO] running `Command { std: "docker" "start" "-a" "b405d221ae08c9d968ec669353d105e28b7f432cb8a223e0e7a38614a93651ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2cdev_rfd77402 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "b405d221ae08c9d968ec669353d105e28b7f432cb8a223e0e7a38614a93651ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b405d221ae08c9d968ec669353d105e28b7f432cb8a223e0e7a38614a93651ee", kill_on_drop: false }`
[INFO] [stdout] b405d221ae08c9d968ec669353d105e28b7f432cb8a223e0e7a38614a93651ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] af1511b6eb8af0cac128b270c7ef35448e673edc98ee952bad076e66eeb21453
[INFO] running `Command { std: "docker" "start" "-a" "af1511b6eb8af0cac128b270c7ef35448e673edc98ee952bad076e66eeb21453", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i2cdev_rfd77402-84a6b4dc282767c8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2cdev_rfd77402
[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 2 tests
[INFO] [stdout] test src/lib.rs - Rfd77402::poll (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - Rfd77402::get_measurement (line 163) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Rfd77402::poll (line 102) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Rfd77402`
[INFO] [stdout]  --> src/lib.rs:103:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let dev = Rfd77402::new("/dev/i2c-1", 10).expect("Creating new device failed..");
[INFO] [stdout]   |           ^^^^^^^^ use of undeclared type `Rfd77402`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Rfd77402::get_measurement (line 163) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `dev` in this scope
[INFO] [stdout]  --> src/lib.rs:164:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let res = dev.get_measurement();
[INFO] [stdout]   |           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Rfd77402::get_measurement (line 163)
[INFO] [stdout]     src/lib.rs - Rfd77402::poll (line 102)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "af1511b6eb8af0cac128b270c7ef35448e673edc98ee952bad076e66eeb21453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1511b6eb8af0cac128b270c7ef35448e673edc98ee952bad076e66eeb21453", kill_on_drop: false }`
[INFO] [stdout] af1511b6eb8af0cac128b270c7ef35448e673edc98ee952bad076e66eeb21453