[INFO] cloning repository Rah837/async_for_each [INFO] running `"git" "clone" "--bare" "git://github.com/Rah837/async_for_each.git" "work/cache/sources/gh/Rah837/async_for_each"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Rah837/async_for_each'... [INFO] running `"git" "clone" "work/cache/sources/gh/Rah837/async_for_each" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Rah837/async_for_each"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Rah837/async_for_each'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Rah837/async_for_each" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Rah837/async_for_each"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Rah837/async_for_each'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8d2e2fddfc04e9ebc99064f7e3ebd5e226c193a1 [INFO] sha for GitHub repo Rah837/async_for_each: 8d2e2fddfc04e9ebc99064f7e3ebd5e226c193a1 [INFO] validating manifest of Rah837/async_for_each on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Rah837/async_for_each on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Rah837/async_for_each [INFO] finished frobbing Rah837/async_for_each [INFO] frobbed toml for Rah837/async_for_each written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Rah837/async_for_each/Cargo.toml [INFO] started frobbing Rah837/async_for_each [INFO] finished frobbing Rah837/async_for_each [INFO] frobbed toml for Rah837/async_for_each written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Rah837/async_for_each/Cargo.toml [INFO] crate Rah837/async_for_each already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Rah837/async_for_each against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Rah837/async_for_each:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2cd52cd2407df6d0f451b0db93064c94cd0482d33ef1c6a4e01da5058e78566b [INFO] running `"docker" "start" "-a" "2cd52cd2407df6d0f451b0db93064c94cd0482d33ef1c6a4e01da5058e78566b"` [INFO] [stderr] Checking async v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `"docker" "inspect" "2cd52cd2407df6d0f451b0db93064c94cd0482d33ef1c6a4e01da5058e78566b"` [INFO] running `"docker" "rm" "-f" "2cd52cd2407df6d0f451b0db93064c94cd0482d33ef1c6a4e01da5058e78566b"` [INFO] [stdout] 2cd52cd2407df6d0f451b0db93064c94cd0482d33ef1c6a4e01da5058e78566b