[INFO] updating cached repository avranju/signal-future
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/avranju/signal-future
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/signal-future" "work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/signal-future"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/signal-future'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/avranju/signal-future" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/signal-future"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/signal-future'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71b8519d6ed189a10c4004b4339c3a0dd6581c5f
[INFO] sha for GitHub repo avranju/signal-future: 71b8519d6ed189a10c4004b4339c3a0dd6581c5f
[INFO] validating manifest of avranju/signal-future 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 avranju/signal-future 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 avranju/signal-future
[INFO] finished frobbing avranju/signal-future
[INFO] frobbed toml for avranju/signal-future written to work/ex/beta-1.37-6/sources/1.36.0/gh/avranju/signal-future/Cargo.toml
[INFO] started frobbing avranju/signal-future
[INFO] finished frobbing avranju/signal-future
[INFO] frobbed toml for avranju/signal-future written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/signal-future/Cargo.toml
[INFO] crate avranju/signal-future already has a lockfile, it will not be regenerated
[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 avranju/signal-future 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-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/signal-future:/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] 5f79e5c7536834bc0db0ceedfd6436d3d7e6a44da60c84d9c348e26d20dabc85
[INFO] running `"docker" "start" "-a" "5f79e5c7536834bc0db0ceedfd6436d3d7e6a44da60c84d9c348e26d20dabc85"`
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling signal-future v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `"docker" "inspect" "5f79e5c7536834bc0db0ceedfd6436d3d7e6a44da60c84d9c348e26d20dabc85"`
[INFO] running `"docker" "rm" "-f" "5f79e5c7536834bc0db0ceedfd6436d3d7e6a44da60c84d9c348e26d20dabc85"`
[INFO] [stdout] 5f79e5c7536834bc0db0ceedfd6436d3d7e6a44da60c84d9c348e26d20dabc85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/signal-future:/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] 541791af14a2e8059434afd7abf780329b5b7e61c70c9b8d21007575b9d0ec82
[INFO] running `"docker" "start" "-a" "541791af14a2e8059434afd7abf780329b5b7e61c70c9b8d21007575b9d0ec82"`
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling signal-future v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.78s
[INFO] running `"docker" "inspect" "541791af14a2e8059434afd7abf780329b5b7e61c70c9b8d21007575b9d0ec82"`
[INFO] running `"docker" "rm" "-f" "541791af14a2e8059434afd7abf780329b5b7e61c70c9b8d21007575b9d0ec82"`
[INFO] [stdout] 541791af14a2e8059434afd7abf780329b5b7e61c70c9b8d21007575b9d0ec82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/avranju/signal-future:/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] 1812de241de6deed92813960fb3cc264973fa880559c7382a6207480a7e523fc
[INFO] running `"docker" "start" "-a" "1812de241de6deed92813960fb3cc264973fa880559c7382a6207480a7e523fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/signal_future-523bdbf6952f3dd2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::signal_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signal-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" "1812de241de6deed92813960fb3cc264973fa880559c7382a6207480a7e523fc"`
[INFO] running `"docker" "rm" "-f" "1812de241de6deed92813960fb3cc264973fa880559c7382a6207480a7e523fc"`
[INFO] [stdout] 1812de241de6deed92813960fb3cc264973fa880559c7382a6207480a7e523fc