[INFO] crate acestream_client 0.1.1 is already in cache
[INFO] extracting crate acestream_client 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/acestream_client/0.1.1
[INFO] extracting crate acestream_client 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/acestream_client/0.1.1
[INFO] validating manifest of acestream_client-0.1.1 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 acestream_client-0.1.1 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 acestream_client-0.1.1
[INFO] finished frobbing acestream_client-0.1.1
[INFO] frobbed toml for acestream_client-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/acestream_client/0.1.1/Cargo.toml
[INFO] started frobbing acestream_client-0.1.1
[INFO] finished frobbing acestream_client-0.1.1
[INFO] frobbed toml for acestream_client-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/acestream_client/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing acestream_client-0.1.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/acestream_client/0.1.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8aa4ff3600b1ec9ddc6d7575ab151fc8729e60893d69691c86bf37a9940f32ac
[INFO] running `"docker" "start" "-a" "8aa4ff3600b1ec9ddc6d7575ab151fc8729e60893d69691c86bf37a9940f32ac"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling acestream_client v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `"docker" "inspect" "8aa4ff3600b1ec9ddc6d7575ab151fc8729e60893d69691c86bf37a9940f32ac"`
[INFO] running `"docker" "rm" "-f" "8aa4ff3600b1ec9ddc6d7575ab151fc8729e60893d69691c86bf37a9940f32ac"`
[INFO] [stdout] 8aa4ff3600b1ec9ddc6d7575ab151fc8729e60893d69691c86bf37a9940f32ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/acestream_client/0.1.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6809ca83352f076b9b5b935827f27a9712fa5c11e534165c3a2697527ebc908a
[INFO] running `"docker" "start" "-a" "6809ca83352f076b9b5b935827f27a9712fa5c11e534165c3a2697527ebc908a"`
[INFO] [stderr]    Compiling acestream_client v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `acestream`
[INFO] [stderr]  --> tests/engine_url.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let engine = acestream::Engine::new();
[INFO] [stderr]   |                  ^^^^^^^^^ use of undeclared type or module `acestream`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `acestream_client`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> examples/aceplay.rs:53:5
[INFO] [stderr]     |
[INFO] [stderr] 53  | /     panic::catch_unwind(|| {
[INFO] [stderr] 54  | |         let mut engine = match matches.values_of("server") {
[INFO] [stderr] 55  | |             Some(ip) => acestream::Engine::new(&format!("http://{}:6878", ip.collect::<String>())),
[INFO] [stderr] 56  | |             None => Default::default(),
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |     })
[INFO] [stderr] 129 | |     .is_ok();
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6809ca83352f076b9b5b935827f27a9712fa5c11e534165c3a2697527ebc908a"`
[INFO] running `"docker" "rm" "-f" "6809ca83352f076b9b5b935827f27a9712fa5c11e534165c3a2697527ebc908a"`
[INFO] [stdout] 6809ca83352f076b9b5b935827f27a9712fa5c11e534165c3a2697527ebc908a