[INFO] cloning repository https://github.com/marcelbuesing/bme680-influx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcelbuesing/bme680-influx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fbme680-influx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fbme680-influx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63bbddd2b1e52cd9c080f133ea17df837017f5f8
[INFO] testing marcelbuesing/bme680-influx against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcelbuesing%2Fbme680-influx" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcelbuesing/bme680-influx 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] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/marcelbuesing/bme680-influx
[INFO] finished tweaking git repo https://github.com/marcelbuesing/bme680-influx
[INFO] tweaked toml for git repo https://github.com/marcelbuesing/bme680-influx written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/marcelbuesing/bme680-influx 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded juliex v0.3.0-alpha.7
[INFO] [stderr]   Downloaded dotenv_codegen_implementation v0.14.1
[INFO] [stderr]   Downloaded dotenv_codegen v0.14.1
[INFO] [stderr]   Downloaded runtime-raw v0.3.0-alpha.4
[INFO] [stderr]   Downloaded romio v0.3.0-alpha.9
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.25
[INFO] [stderr]   Downloaded runtime-native v0.3.0-alpha.5
[INFO] [stderr]   Downloaded linux-embedded-hal v0.2.2
[INFO] [stderr]   Downloaded async-datagram v2.2.0
[INFO] [stderr]   Downloaded runtime-attributes v0.3.0-alpha.5
[INFO] [stderr]   Downloaded async-datagram v3.0.0
[INFO] [stderr]   Downloaded i2cdev v0.4.2
[INFO] [stderr]   Downloaded runtime v0.3.0-alpha.6
[INFO] [stderr]   Downloaded influent v0.5.1
[INFO] [stderr]   Downloaded async-ready v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 94152f8d86f56549a7867420f88b68dfde9a2f7048bd78b5c4b7b25f2f7dd0ad
[INFO] running `Command { std: "docker" "start" "-a" "94152f8d86f56549a7867420f88b68dfde9a2f7048bd78b5c4b7b25f2f7dd0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94152f8d86f56549a7867420f88b68dfde9a2f7048bd78b5c4b7b25f2f7dd0ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94152f8d86f56549a7867420f88b68dfde9a2f7048bd78b5c4b7b25f2f7dd0ad", kill_on_drop: false }`
[INFO] [stdout] 94152f8d86f56549a7867420f88b68dfde9a2f7048bd78b5c4b7b25f2f7dd0ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e6ddbde99bddb44e85975c3284a5f5d0b4ef3e3a59109235bb592a87ec84ec95
[INFO] running `Command { std: "docker" "start" "-a" "e6ddbde99bddb44e85975c3284a5f5d0b4ef3e3a59109235bb592a87ec84ec95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling async-datagram v3.0.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling async-ready v3.0.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling async-datagram v2.2.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-datagram-2.2.0/src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(futures_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-datagram` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6ddbde99bddb44e85975c3284a5f5d0b4ef3e3a59109235bb592a87ec84ec95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ddbde99bddb44e85975c3284a5f5d0b4ef3e3a59109235bb592a87ec84ec95", kill_on_drop: false }`
[INFO] [stdout] e6ddbde99bddb44e85975c3284a5f5d0b4ef3e3a59109235bb592a87ec84ec95