[INFO] crate sensehat-stick 0.1.0 is already in cache
[INFO] extracting crate sensehat-stick 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-stick/0.1.0
[INFO] extracting crate sensehat-stick 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sensehat-stick/0.1.0
[INFO] validating manifest of sensehat-stick-0.1.0 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 sensehat-stick-0.1.0 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 sensehat-stick-0.1.0
[INFO] finished frobbing sensehat-stick-0.1.0
[INFO] frobbed toml for sensehat-stick-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-stick/0.1.0/Cargo.toml
[INFO] started frobbing sensehat-stick-0.1.0
[INFO] finished frobbing sensehat-stick-0.1.0
[INFO] frobbed toml for sensehat-stick-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sensehat-stick/0.1.0/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 sensehat-stick-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-stick/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e387074b7b53e0f1b03c59c5f5cfef2481e216d3760afdb914b4da54da3add85
[INFO] running `"docker" "start" "-a" "e387074b7b53e0f1b03c59c5f5cfef2481e216d3760afdb914b4da54da3add85"`
[INFO] [stderr]    Compiling evdev v0.10.1
[INFO] [stderr]    Compiling sensehat-stick v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "e387074b7b53e0f1b03c59c5f5cfef2481e216d3760afdb914b4da54da3add85"`
[INFO] running `"docker" "rm" "-f" "e387074b7b53e0f1b03c59c5f5cfef2481e216d3760afdb914b4da54da3add85"`
[INFO] [stdout] e387074b7b53e0f1b03c59c5f5cfef2481e216d3760afdb914b4da54da3add85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sensehat-stick/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 651267f40088480becbe594e53b8f7fd819c16c1a3f0a22efd4ee09001ed1199
[INFO] running `"docker" "start" "-a" "651267f40088480becbe594e53b8f7fd819c16c1a3f0a22efd4ee09001ed1199"`
[INFO] [stderr]    Compiling sensehat-stick v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: cannot find macro `bail!` in this scope
[INFO] [stderr]   --> examples/poll.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         bail!(e);
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `io`
[INFO] [stderr]   --> examples/poll.rs:33:40
[INFO] [stderr]    |
[INFO] [stderr] 33 |                         if e.kind() == io::ErrorKind::WouldBlock {
[INFO] [stderr]    |                                        ^^ use of undeclared type or module `io`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `sensehat-stick`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "651267f40088480becbe594e53b8f7fd819c16c1a3f0a22efd4ee09001ed1199"`
[INFO] running `"docker" "rm" "-f" "651267f40088480becbe594e53b8f7fd819c16c1a3f0a22efd4ee09001ed1199"`
[INFO] [stdout] 651267f40088480becbe594e53b8f7fd819c16c1a3f0a22efd4ee09001ed1199