[INFO] cloning repository csunny/learning_rust
[INFO] running `"git" "clone" "--bare" "git://github.com/csunny/learning_rust.git" "work/cache/sources/gh/csunny/learning_rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/csunny/learning_rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/csunny/learning_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/csunny/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/csunny/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/csunny/learning_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/csunny/learning_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/csunny/learning_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4426de60c7dec21a0f3918fb2037e06aca62945f
[INFO] sha for GitHub repo csunny/learning_rust: 4426de60c7dec21a0f3918fb2037e06aca62945f
[INFO] validating manifest of csunny/learning_rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of csunny/learning_rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing csunny/learning_rust
[INFO] finished frobbing csunny/learning_rust
[INFO] frobbed toml for csunny/learning_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/csunny/learning_rust/Cargo.toml
[INFO] started frobbing csunny/learning_rust
[INFO] finished frobbing csunny/learning_rust
[INFO] frobbed toml for csunny/learning_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/csunny/learning_rust/Cargo.toml
[INFO] crate csunny/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing csunny/learning_rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/csunny/learning_rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 856f2f62acec3abeaa87615ab072325e3d976c4504d69b8e812d6992ce96135f
[INFO] running `"docker" "start" "-a" "856f2f62acec3abeaa87615ab072325e3d976c4504d69b8e812d6992ce96135f"`
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected item after attributes
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[cfg(test)]
[INFO] [stderr]   |            ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `learning_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "856f2f62acec3abeaa87615ab072325e3d976c4504d69b8e812d6992ce96135f"`
[INFO] running `"docker" "rm" "-f" "856f2f62acec3abeaa87615ab072325e3d976c4504d69b8e812d6992ce96135f"`
[INFO] [stdout] 856f2f62acec3abeaa87615ab072325e3d976c4504d69b8e812d6992ce96135f