[INFO] crate i2cdev2 0.4.0 is already in cache
[INFO] checking i2cdev2-0.4.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate i2cdev2 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate i2cdev2 0.4.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate i2cdev2 0.4.0
[INFO] finished tweaking crates.io crate i2cdev2 0.4.0
[INFO] tweaked toml for crates.io crate i2cdev2 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0744fc9c5e6be76ca09a4ada0c76d1079e3b9891f2fe7922cfd3cb26c2030962
[INFO] running `"docker" "start" "-a" "0744fc9c5e6be76ca09a4ada0c76d1079e3b9891f2fe7922cfd3cb26c2030962"`
[INFO] [stderr]     Checking bytecount v0.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking pulldown-cmark v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev2 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `i2cdev`
[INFO] [stderr]  --> examples/pca9956b.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | extern crate i2cdev;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `i2cdev2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `i2cdev`
[INFO] [stderr]   --> examples/nunchuck.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | extern crate i2cdev;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `i2cdev2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `i2cdev`
[INFO] [stderr]   --> examples/sensors.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | extern crate i2cdev;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `i2cdev2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0744fc9c5e6be76ca09a4ada0c76d1079e3b9891f2fe7922cfd3cb26c2030962"`
[INFO] running `"docker" "rm" "-f" "0744fc9c5e6be76ca09a4ada0c76d1079e3b9891f2fe7922cfd3cb26c2030962"`
[INFO] [stdout] 0744fc9c5e6be76ca09a4ada0c76d1079e3b9891f2fe7922cfd3cb26c2030962