[INFO] crate dubble 0.1.0 is already in cache
[INFO] testing dubble-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate dubble 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate dubble 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dubble 0.1.0
[INFO] finished tweaking crates.io crate dubble 0.1.0
[INFO] tweaked toml for crates.io crate dubble 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9112e5157b7aeefc858e3accf90d0995e92229404395e674cb83d1d772477a90
[INFO] running `"docker" "start" "-a" "9112e5157b7aeefc858e3accf90d0995e92229404395e674cb83d1d772477a90"`
[INFO] [stderr]    Compiling dubble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "9112e5157b7aeefc858e3accf90d0995e92229404395e674cb83d1d772477a90"`
[INFO] running `"docker" "rm" "-f" "9112e5157b7aeefc858e3accf90d0995e92229404395e674cb83d1d772477a90"`
[INFO] [stdout] 9112e5157b7aeefc858e3accf90d0995e92229404395e674cb83d1d772477a90
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0853f13d453bc4e115e4f495eac48c1d7eb4a6bbb8f8796db2c627932d3eb194
[INFO] running `"docker" "start" "-a" "0853f13d453bc4e115e4f495eac48c1d7eb4a6bbb8f8796db2c627932d3eb194"`
[INFO] [stderr]    Compiling dubble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "0853f13d453bc4e115e4f495eac48c1d7eb4a6bbb8f8796db2c627932d3eb194"`
[INFO] running `"docker" "rm" "-f" "0853f13d453bc4e115e4f495eac48c1d7eb4a6bbb8f8796db2c627932d3eb194"`
[INFO] [stdout] 0853f13d453bc4e115e4f495eac48c1d7eb4a6bbb8f8796db2c627932d3eb194
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] b47301bac7c3ab9ab351a7eed9f8e22c9af98dda4e7a30c55a0ec18c63263f2e
[INFO] running `"docker" "start" "-a" "b47301bac7c3ab9ab351a7eed9f8e22c9af98dda4e7a30c55a0ec18c63263f2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dubble-55db41a9693dd9d8
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::basic_int ... ok
[INFO] [stdout] test tests::basic_int_using_deref ... ok
[INFO] [stdout] test tests::basic_string ... ok
[INFO] [stdout] test tests::vec_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dubble
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 18) ... ok
[INFO] [stdout] test src/lib.rs -  (line 65) ... ok
[INFO] [stdout] test src/lib.rs -  (line 12) ... ok
[INFO] [stdout] test src/lib.rs - DoubleBuffered<T>::write (line 147) ... ok
[INFO] [stdout] test src/lib.rs -  (line 77) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs - DoubleBuffered<T>::write (line 156) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b47301bac7c3ab9ab351a7eed9f8e22c9af98dda4e7a30c55a0ec18c63263f2e"`
[INFO] running `"docker" "rm" "-f" "b47301bac7c3ab9ab351a7eed9f8e22c9af98dda4e7a30c55a0ec18c63263f2e"`
[INFO] [stdout] b47301bac7c3ab9ab351a7eed9f8e22c9af98dda4e7a30c55a0ec18c63263f2e