[INFO] crate hopper 0.4.2 is already in cache
[INFO] extracting crate hopper 0.4.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/hopper/0.4.2
[INFO] extracting crate hopper 0.4.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/hopper/0.4.2
[INFO] validating manifest of hopper-0.4.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hopper-0.4.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/hopper/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hopper-0.4.2 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 98a0863b35f168326c0a8ad644ab77bca73313642f02fc66171062749185a1dc
[INFO] running `"docker" "start" "-a" "98a0863b35f168326c0a8ad644ab77bca73313642f02fc66171062749185a1dc"`
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "98a0863b35f168326c0a8ad644ab77bca73313642f02fc66171062749185a1dc"`
[INFO] running `"docker" "rm" "-f" "98a0863b35f168326c0a8ad644ab77bca73313642f02fc66171062749185a1dc"`
[INFO] [stdout] 98a0863b35f168326c0a8ad644ab77bca73313642f02fc66171062749185a1dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1f5434320a0304b1c27901146879c5a71bf6fdcd09d851259418b52020736c7
[INFO] running `"docker" "start" "-a" "f1f5434320a0304b1c27901146879c5a71bf6fdcd09d851259418b52020736c7"`
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "f1f5434320a0304b1c27901146879c5a71bf6fdcd09d851259418b52020736c7"`
[INFO] running `"docker" "rm" "-f" "f1f5434320a0304b1c27901146879c5a71bf6fdcd09d851259418b52020736c7"`
[INFO] [stdout] f1f5434320a0304b1c27901146879c5a71bf6fdcd09d851259418b52020736c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] d08b2ad03052e444109396c61661ce854a768d4ff11a4e471d06355a30328d8a
[INFO] running `"docker" "start" "-a" "d08b2ad03052e444109396c61661ce854a768d4ff11a4e471d06355a30328d8a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hopper-b6ad9d2c61e4a074
[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_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 ... test test::explicit_multi_thread_concurrent_snd_and_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" "d08b2ad03052e444109396c61661ce854a768d4ff11a4e471d06355a30328d8a"`
[INFO] running `"docker" "rm" "-f" "d08b2ad03052e444109396c61661ce854a768d4ff11a4e471d06355a30328d8a"`
[INFO] [stdout] d08b2ad03052e444109396c61661ce854a768d4ff11a4e471d06355a30328d8a