[INFO] crate hopper 0.4.2 is already in cache
[INFO] extracting crate hopper 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/hopper/0.4.2
[INFO] extracting crate hopper 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hopper/0.4.2
[INFO] validating manifest of hopper-0.4.2 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 hopper-0.4.2 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 hopper-0.4.2
[INFO] finished frobbing hopper-0.4.2
[INFO] frobbed toml for hopper-0.4.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hopper/0.4.2/Cargo.toml
[INFO] started frobbing hopper-0.4.2
[INFO] finished frobbing hopper-0.4.2
[INFO] frobbed toml for hopper-0.4.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hopper/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 hopper-0.4.2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hopper/0.4.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] aa8a87287a9becd2a4e5215e315b1b798b6ca9df944c05c538271be80a9f714f
[INFO] running `"docker" "start" "-a" "aa8a87287a9becd2a4e5215e315b1b798b6ca9df944c05c538271be80a9f714f"`
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "aa8a87287a9becd2a4e5215e315b1b798b6ca9df944c05c538271be80a9f714f"`
[INFO] running `"docker" "rm" "-f" "aa8a87287a9becd2a4e5215e315b1b798b6ca9df944c05c538271be80a9f714f"`
[INFO] [stdout] aa8a87287a9becd2a4e5215e315b1b798b6ca9df944c05c538271be80a9f714f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hopper/0.4.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 75f6e3298027f3683807b5ead7693073825949f347911529c747f1ba22597f8a
[INFO] running `"docker" "start" "-a" "75f6e3298027f3683807b5ead7693073825949f347911529c747f1ba22597f8a"`
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `"docker" "inspect" "75f6e3298027f3683807b5ead7693073825949f347911529c747f1ba22597f8a"`
[INFO] running `"docker" "rm" "-f" "75f6e3298027f3683807b5ead7693073825949f347911529c747f1ba22597f8a"`
[INFO] [stdout] 75f6e3298027f3683807b5ead7693073825949f347911529c747f1ba22597f8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/hopper/0.4.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9f3ad9f1d3f072bc75a59fb06c202cca331bcc5f1b1fd5efd4efd765ab4e888d
[INFO] running `"docker" "start" "-a" "9f3ad9f1d3f072bc75a59fb06c202cca331bcc5f1b1fd5efd4efd765ab4e888d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hopper-b3b6edc47e7b18c6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::round_trip ... ok
[INFO] [stdout] test test::single_sender_single_rcv_round_trip ... ok
[INFO] [stdout] test test::multi_thread_concurrent_snd_and_rcv_round_trip ... ok
[INFO] [stdout] test test::ingress_shedding ... ok
[INFO] [stdout] test test::explicit_multi_thread_concurrent_snd_and_rcv_round_trip ... test test::explicit_multi_thread_concurrent_snd_and_rcv_round_trip has been running for over 60 seconds
[INFO] [stdout] test test::explicit_single_sender_single_rcv_round_trip ... test test::explicit_single_sender_single_rcv_round_trip has been running for over 60 seconds
[INFO] [stdout] test test::explicit_multi_thread_concurrent_snd_and_rcv_round_trip ... ok
[INFO] [stdout] test test::explicit_single_sender_single_rcv_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hopper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - channel (line 114) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f3ad9f1d3f072bc75a59fb06c202cca331bcc5f1b1fd5efd4efd765ab4e888d"`
[INFO] running `"docker" "rm" "-f" "9f3ad9f1d3f072bc75a59fb06c202cca331bcc5f1b1fd5efd4efd765ab4e888d"`
[INFO] [stdout] 9f3ad9f1d3f072bc75a59fb06c202cca331bcc5f1b1fd5efd4efd765ab4e888d