[INFO] crate hopper 0.4.2 is already in cache
[INFO] extracting crate hopper 0.4.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/hopper/0.4.2
[INFO] extracting crate hopper 0.4.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hopper/0.4.2
[INFO] validating manifest of hopper-0.4.2 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 hopper-0.4.2 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 hopper-0.4.2
[INFO] finished frobbing hopper-0.4.2
[INFO] frobbed toml for hopper-0.4.2 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/hopper/0.4.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing hopper-0.4.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d33fcec93c67885337eed7b3c09dcb969700678d6e48f70cd2cc47c26f4b01ab
[INFO] running `"docker" "start" "-a" "d33fcec93c67885337eed7b3c09dcb969700678d6e48f70cd2cc47c26f4b01ab"`
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "d33fcec93c67885337eed7b3c09dcb969700678d6e48f70cd2cc47c26f4b01ab"`
[INFO] running `"docker" "rm" "-f" "d33fcec93c67885337eed7b3c09dcb969700678d6e48f70cd2cc47c26f4b01ab"`
[INFO] [stdout] d33fcec93c67885337eed7b3c09dcb969700678d6e48f70cd2cc47c26f4b01ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b631d3eaa6c749835d03d322a419d591ccdf444664fa6257ca84b95304aa1de8
[INFO] running `"docker" "start" "-a" "b631d3eaa6c749835d03d322a419d591ccdf444664fa6257ca84b95304aa1de8"`
[INFO] [stderr]    Compiling env_logger v0.5.13
[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 8.62s
[INFO] running `"docker" "inspect" "b631d3eaa6c749835d03d322a419d591ccdf444664fa6257ca84b95304aa1de8"`
[INFO] running `"docker" "rm" "-f" "b631d3eaa6c749835d03d322a419d591ccdf444664fa6257ca84b95304aa1de8"`
[INFO] [stdout] b631d3eaa6c749835d03d322a419d591ccdf444664fa6257ca84b95304aa1de8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4bc5ad4fb02b937e2afb2a269d2ea293e529a6e31073249cefc03cf779bfaac4
[INFO] running `"docker" "start" "-a" "4bc5ad4fb02b937e2afb2a269d2ea293e529a6e31073249cefc03cf779bfaac4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hopper-7220c99f348e7b6c
[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" "4bc5ad4fb02b937e2afb2a269d2ea293e529a6e31073249cefc03cf779bfaac4"`
[INFO] running `"docker" "rm" "-f" "4bc5ad4fb02b937e2afb2a269d2ea293e529a6e31073249cefc03cf779bfaac4"`
[INFO] [stdout] 4bc5ad4fb02b937e2afb2a269d2ea293e529a6e31073249cefc03cf779bfaac4