[INFO] crate tiny_future 0.3.2 is already in cache
[INFO] extracting crate tiny_future 0.3.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/tiny_future/0.3.2
[INFO] extracting crate tiny_future 0.3.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tiny_future/0.3.2
[INFO] validating manifest of tiny_future-0.3.2 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 tiny_future-0.3.2 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 tiny_future-0.3.2
[INFO] finished frobbing tiny_future-0.3.2
[INFO] frobbed toml for tiny_future-0.3.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tiny_future/0.3.2/Cargo.toml
[INFO] started frobbing tiny_future-0.3.2
[INFO] finished frobbing tiny_future-0.3.2
[INFO] frobbed toml for tiny_future-0.3.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tiny_future/0.3.2/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] testing tiny_future-0.3.2 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/tiny_future/0.3.2:/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] 8402459dc8685a64d0e8da166cc3ffb47c0c80711f4ccc9c8388ebf8ca15e60c
[INFO] running `"docker" "start" "-a" "8402459dc8685a64d0e8da166cc3ffb47c0c80711f4ccc9c8388ebf8ca15e60c"`
[INFO] [stderr]    Compiling etrace v1.1.1
[INFO] [stderr]    Compiling tiny_future v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Clone` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:182:6
[INFO] [stderr]     |
[INFO] [stderr] 182 |     use std::clone::Clone;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "8402459dc8685a64d0e8da166cc3ffb47c0c80711f4ccc9c8388ebf8ca15e60c"`
[INFO] running `"docker" "rm" "-f" "8402459dc8685a64d0e8da166cc3ffb47c0c80711f4ccc9c8388ebf8ca15e60c"`
[INFO] [stdout] 8402459dc8685a64d0e8da166cc3ffb47c0c80711f4ccc9c8388ebf8ca15e60c
[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/tiny_future/0.3.2:/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] 2f49c34520621339c6840755185c320e4ac8c9cd252288480a3196c5ca6c894e
[INFO] running `"docker" "start" "-a" "2f49c34520621339c6840755185c320e4ac8c9cd252288480a3196c5ca6c894e"`
[INFO] [stderr]    Compiling tiny_future v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Clone` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:182:6
[INFO] [stderr]     |
[INFO] [stderr] 182 |     use std::clone::Clone;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "2f49c34520621339c6840755185c320e4ac8c9cd252288480a3196c5ca6c894e"`
[INFO] running `"docker" "rm" "-f" "2f49c34520621339c6840755185c320e4ac8c9cd252288480a3196c5ca6c894e"`
[INFO] [stdout] 2f49c34520621339c6840755185c320e4ac8c9cd252288480a3196c5ca6c894e
[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/tiny_future/0.3.2:/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"`
[INFO] [stdout] 8cecc133e6beaf20b9c18c9957ea5bf2c10a57f01ee599df9d3430e4b5aec66b
[INFO] running `"docker" "start" "-a" "8cecc133e6beaf20b9c18c9957ea5bf2c10a57f01ee599df9d3430e4b5aec66b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tiny_future-3a57ab376a7498bd
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::cancel_set_err ... ok
[INFO] [stdout] test test::double_set_err ... ok
[INFO] [stdout] test test::drop_is_canceled ... ok
[INFO] [stdout] test test::cancel_get_err ... ok
[INFO] [stdout] test test::is_ready_and_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiny_future
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8cecc133e6beaf20b9c18c9957ea5bf2c10a57f01ee599df9d3430e4b5aec66b"`
[INFO] running `"docker" "rm" "-f" "8cecc133e6beaf20b9c18c9957ea5bf2c10a57f01ee599df9d3430e4b5aec66b"`
[INFO] [stdout] 8cecc133e6beaf20b9c18c9957ea5bf2c10a57f01ee599df9d3430e4b5aec66b