[INFO] fetching crate si7021 0.2.0...
[INFO] testing si7021-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate si7021 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate si7021 0.2.0 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 si7021 0.2.0
[INFO] finished tweaking crates.io crate si7021 0.2.0
[INFO] tweaked toml for crates.io crate si7021 0.2.0 written to /workspace/builds/worker-13/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]  Downloading crates ...
[INFO] [stderr]   Downloaded i2csensors v0.1.3
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] dcdc876eebcc2cc9855b54f25538161908f312d049b7bd1891284fba9c2c8b5a
[INFO] running `Command { std: "docker" "start" "-a" "dcdc876eebcc2cc9855b54f25538161908f312d049b7bd1891284fba9c2c8b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcdc876eebcc2cc9855b54f25538161908f312d049b7bd1891284fba9c2c8b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdc876eebcc2cc9855b54f25538161908f312d049b7bd1891284fba9c2c8b5a", kill_on_drop: false }`
[INFO] [stdout] dcdc876eebcc2cc9855b54f25538161908f312d049b7bd1891284fba9c2c8b5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1b1d976e4c86e3090c71442592192ece22598afb6ecc68dd3f0c5b52068c1a1e
[INFO] running `Command { std: "docker" "start" "-a" "1b1d976e4c86e3090c71442592192ece22598afb6ecc68dd3f0c5b52068c1a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling i2csensors v0.1.3
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling si7021 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "1b1d976e4c86e3090c71442592192ece22598afb6ecc68dd3f0c5b52068c1a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1d976e4c86e3090c71442592192ece22598afb6ecc68dd3f0c5b52068c1a1e", kill_on_drop: false }`
[INFO] [stdout] 1b1d976e4c86e3090c71442592192ece22598afb6ecc68dd3f0c5b52068c1a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c6c9b7dfb06cbe19bdef6d34bef0420cbba815ad43bc40f9e74b9358a3efdf7c
[INFO] running `Command { std: "docker" "start" "-a" "c6c9b7dfb06cbe19bdef6d34bef0420cbba815ad43bc40f9e74b9358a3efdf7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling si7021 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c6c9b7dfb06cbe19bdef6d34bef0420cbba815ad43bc40f9e74b9358a3efdf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c9b7dfb06cbe19bdef6d34bef0420cbba815ad43bc40f9e74b9358a3efdf7c", kill_on_drop: false }`
[INFO] [stdout] c6c9b7dfb06cbe19bdef6d34bef0420cbba815ad43bc40f9e74b9358a3efdf7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9daa5091b68a8be891ca2ddce7be4f1a571d39491fb94359e525d8f9cff2951d
[INFO] running `Command { std: "docker" "start" "-a" "9daa5091b68a8be891ca2ddce7be4f1a571d39491fb94359e525d8f9cff2951d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/si7021-98c283c423e61aca)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests si7021
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9daa5091b68a8be891ca2ddce7be4f1a571d39491fb94359e525d8f9cff2951d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daa5091b68a8be891ca2ddce7be4f1a571d39491fb94359e525d8f9cff2951d", kill_on_drop: false }`
[INFO] [stdout] 9daa5091b68a8be891ca2ddce7be4f1a571d39491fb94359e525d8f9cff2951d