[INFO] updating cached repository ctbur/async
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ctbur/async
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ctbur/async" "work/ex/beta-1.38-1/sources/1.37.0/gh/ctbur/async"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ctbur/async'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ctbur/async" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ctbur/async"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ctbur/async'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0121ca53f21472d2fb39d3c8a7d6c75bc88532bf
[INFO] sha for GitHub repo ctbur/async: 0121ca53f21472d2fb39d3c8a7d6c75bc88532bf
[INFO] validating manifest of ctbur/async 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 ctbur/async 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 ctbur/async
[INFO] finished frobbing ctbur/async
[INFO] frobbed toml for ctbur/async written to work/ex/beta-1.38-1/sources/1.37.0/gh/ctbur/async/Cargo.toml
[INFO] started frobbing ctbur/async
[INFO] finished frobbing ctbur/async
[INFO] frobbed toml for ctbur/async written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ctbur/async/Cargo.toml
[INFO] crate ctbur/async already has a lockfile, it will not be regenerated
[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 ctbur/async 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ctbur/async:/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] 13cc8c05154a9a214edb2e765f0e1d64bc1b25461c6602c895e99c0e629beb79
[INFO] running `"docker" "start" "-a" "13cc8c05154a9a214edb2e765f0e1d64bc1b25461c6602c895e99c0e629beb79"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.16
[INFO] [stderr]    Compiling structopt v0.2.16
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling async-cmd v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.56s
[INFO] running `"docker" "inspect" "13cc8c05154a9a214edb2e765f0e1d64bc1b25461c6602c895e99c0e629beb79"`
[INFO] running `"docker" "rm" "-f" "13cc8c05154a9a214edb2e765f0e1d64bc1b25461c6602c895e99c0e629beb79"`
[INFO] [stdout] 13cc8c05154a9a214edb2e765f0e1d64bc1b25461c6602c895e99c0e629beb79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ctbur/async:/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] 7760750ef747deaed374ab1a8bbb67b67338c0137a6969718e58e764ef0f84de
[INFO] running `"docker" "start" "-a" "7760750ef747deaed374ab1a8bbb67b67338c0137a6969718e58e764ef0f84de"`
[INFO] [stderr]    Compiling async-cmd v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "7760750ef747deaed374ab1a8bbb67b67338c0137a6969718e58e764ef0f84de"`
[INFO] running `"docker" "rm" "-f" "7760750ef747deaed374ab1a8bbb67b67338c0137a6969718e58e764ef0f84de"`
[INFO] [stdout] 7760750ef747deaed374ab1a8bbb67b67338c0137a6969718e58e764ef0f84de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ctbur/async:/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] 6b57fd3a67755c3c66e8ceec8422bd50cddf7c0130d6fe0db587138383257cfe
[INFO] running `"docker" "start" "-a" "6b57fd3a67755c3c66e8ceec8422bd50cddf7c0130d6fe0db587138383257cfe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async-224f2fa83827bceb
[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" "6b57fd3a67755c3c66e8ceec8422bd50cddf7c0130d6fe0db587138383257cfe"`
[INFO] running `"docker" "rm" "-f" "6b57fd3a67755c3c66e8ceec8422bd50cddf7c0130d6fe0db587138383257cfe"`
[INFO] [stdout] 6b57fd3a67755c3c66e8ceec8422bd50cddf7c0130d6fe0db587138383257cfe