[INFO] updating cached repository del6597/FeObot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/del6597/FeObot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/del6597/FeObot" "work/ex/beta-1.38-1/sources/1.37.0/gh/del6597/FeObot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/del6597/FeObot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/del6597/FeObot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/del6597/FeObot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/del6597/FeObot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5409d85a075a4f29925b87a095ae0de848d98fa2
[INFO] sha for GitHub repo del6597/FeObot: 5409d85a075a4f29925b87a095ae0de848d98fa2
[INFO] validating manifest of del6597/FeObot 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 del6597/FeObot 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 del6597/FeObot
[INFO] finished frobbing del6597/FeObot
[INFO] frobbed toml for del6597/FeObot written to work/ex/beta-1.38-1/sources/1.37.0/gh/del6597/FeObot/Cargo.toml
[INFO] started frobbing del6597/FeObot
[INFO] finished frobbing del6597/FeObot
[INFO] frobbed toml for del6597/FeObot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/del6597/FeObot/Cargo.toml
[INFO] crate del6597/FeObot already has a lockfile, it will not be regenerated
[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 del6597/FeObot 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/del6597/FeObot:/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] 5ace374413d8e8a578955b8c408ecdda3e25735731ad09b373d5836137517671
[INFO] running `"docker" "start" "-a" "5ace374413d8e8a578955b8c408ecdda3e25735731ad09b373d5836137517671"`
[INFO] [stderr]    Compiling irclib v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/IrcStream.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedWriter`
[INFO] [stderr]  --> src/IrcStream.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::BufferedWriter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedWriter` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::TcpStream`
[INFO] [stderr]  --> src/IrcStream.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^ no `TcpStream` in `io`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `irclib`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5ace374413d8e8a578955b8c408ecdda3e25735731ad09b373d5836137517671"`
[INFO] running `"docker" "rm" "-f" "5ace374413d8e8a578955b8c408ecdda3e25735731ad09b373d5836137517671"`
[INFO] [stdout] 5ace374413d8e8a578955b8c408ecdda3e25735731ad09b373d5836137517671