[INFO] fetching crate hopper 0.4.2...
[INFO] extracting crate hopper 0.4.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/hopper/0.4.2
[INFO] extracting crate hopper 0.4.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/hopper/0.4.2
[INFO] validating manifest of hopper-0.4.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hopper-0.4.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/hopper/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hopper-0.4.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 10075a143c50096d5614c8f9b6d1d08cd41c2457edf950b670041bf38242efdf
[INFO] running `"docker" "start" "-a" "10075a143c50096d5614c8f9b6d1d08cd41c2457edf950b670041bf38242efdf"`
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "10075a143c50096d5614c8f9b6d1d08cd41c2457edf950b670041bf38242efdf"`
[INFO] running `"docker" "rm" "-f" "10075a143c50096d5614c8f9b6d1d08cd41c2457edf950b670041bf38242efdf"`
[INFO] [stdout] 10075a143c50096d5614c8f9b6d1d08cd41c2457edf950b670041bf38242efdf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 243c43a9be6e40d6f96d73d40ab459ed68ba7f42f04954efde4098805b1f6057
[INFO] running `"docker" "start" "-a" "243c43a9be6e40d6f96d73d40ab459ed68ba7f42f04954efde4098805b1f6057"`
[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 8.07s
[INFO] running `"docker" "inspect" "243c43a9be6e40d6f96d73d40ab459ed68ba7f42f04954efde4098805b1f6057"`
[INFO] running `"docker" "rm" "-f" "243c43a9be6e40d6f96d73d40ab459ed68ba7f42f04954efde4098805b1f6057"`
[INFO] [stdout] 243c43a9be6e40d6f96d73d40ab459ed68ba7f42f04954efde4098805b1f6057
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 009d153e525de32a813347b8eff0acf638a14f968d207c4c83014b0f2ffd53d4
[INFO] running `"docker" "start" "-a" "009d153e525de32a813347b8eff0acf638a14f968d207c4c83014b0f2ffd53d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hopper-089da9987c8cb0a2
[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" "009d153e525de32a813347b8eff0acf638a14f968d207c4c83014b0f2ffd53d4"`
[INFO] running `"docker" "rm" "-f" "009d153e525de32a813347b8eff0acf638a14f968d207c4c83014b0f2ffd53d4"`
[INFO] [stdout] 009d153e525de32a813347b8eff0acf638a14f968d207c4c83014b0f2ffd53d4