[INFO] crate i2cdev2 0.4.0 is already in cache
[INFO] extracting crate i2cdev2 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/i2cdev2/0.4.0
[INFO] extracting crate i2cdev2 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cdev2/0.4.0
[INFO] validating manifest of i2cdev2-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of i2cdev2-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing i2cdev2-0.4.0
[INFO] finished frobbing i2cdev2-0.4.0
[INFO] frobbed toml for i2cdev2-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/i2cdev2/0.4.0/Cargo.toml
[INFO] started frobbing i2cdev2-0.4.0
[INFO] finished frobbing i2cdev2-0.4.0
[INFO] frobbed toml for i2cdev2-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cdev2/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing i2cdev2-0.4.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cdev2/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6915101e228d9846d2da568cad61381c864f8f7fe6277847322b500d926533c0
[INFO] running `"docker" "start" "-a" "6915101e228d9846d2da568cad61381c864f8f7fe6277847322b500d926533c0"`
[INFO] [stderr]    Compiling i2cdev2 v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/linux.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "6915101e228d9846d2da568cad61381c864f8f7fe6277847322b500d926533c0"`
[INFO] running `"docker" "rm" "-f" "6915101e228d9846d2da568cad61381c864f8f7fe6277847322b500d926533c0"`
[INFO] [stdout] 6915101e228d9846d2da568cad61381c864f8f7fe6277847322b500d926533c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cdev2/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e125ec0d0bc769e5bdd4914f22203d2bd8782b891708c71cd6790ec348747515
[INFO] running `"docker" "start" "-a" "e125ec0d0bc769e5bdd4914f22203d2bd8782b891708c71cd6790ec348747515"`
[INFO] [stderr]    Compiling i2cdev2 v0.4.0 (/opt/crater/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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/linux.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[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[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: Could not compile `i2cdev2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e125ec0d0bc769e5bdd4914f22203d2bd8782b891708c71cd6790ec348747515"`
[INFO] running `"docker" "rm" "-f" "e125ec0d0bc769e5bdd4914f22203d2bd8782b891708c71cd6790ec348747515"`
[INFO] [stdout] e125ec0d0bc769e5bdd4914f22203d2bd8782b891708c71cd6790ec348747515