[INFO] cloning repository niklabh/RustGreenThreads [INFO] running `"git" "clone" "--bare" "git://github.com/niklabh/RustGreenThreads.git" "work/cache/sources/gh/niklabh/RustGreenThreads"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/niklabh/RustGreenThreads'... [INFO] running `"git" "clone" "work/cache/sources/gh/niklabh/RustGreenThreads" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklabh/RustGreenThreads"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklabh/RustGreenThreads'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/niklabh/RustGreenThreads" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/niklabh/RustGreenThreads"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/niklabh/RustGreenThreads'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7be5265e54fb61ae6ee9fff8e065a890f41d1740 [INFO] sha for GitHub repo niklabh/RustGreenThreads: 7be5265e54fb61ae6ee9fff8e065a890f41d1740 [INFO] validating manifest of niklabh/RustGreenThreads 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 niklabh/RustGreenThreads 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 niklabh/RustGreenThreads [INFO] finished frobbing niklabh/RustGreenThreads [INFO] frobbed toml for niklabh/RustGreenThreads written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklabh/RustGreenThreads/Cargo.toml [INFO] started frobbing niklabh/RustGreenThreads [INFO] finished frobbing niklabh/RustGreenThreads [INFO] frobbed toml for niklabh/RustGreenThreads written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/niklabh/RustGreenThreads/Cargo.toml [INFO] crate niklabh/RustGreenThreads 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] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/niklabh/RustGreenThreads/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 niklabh/RustGreenThreads 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/niklabh/RustGreenThreads:/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] 4458b0f8d37db31a5d5e60f955e88ec2e61ff42c17e9f6a36410b6898af9bcfa [INFO] running `"docker" "start" "-a" "4458b0f8d37db31a5d5e60f955e88ec2e61ff42c17e9f6a36410b6898af9bcfa"` [INFO] [stderr] Checking RustGreenThread v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: crate `RustGreenThread` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_green_thread` [INFO] [stderr] [INFO] [stderr] warning: crate `RustGreenThread` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] = help: convert the identifier to snake case: `rust_green_thread` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "4458b0f8d37db31a5d5e60f955e88ec2e61ff42c17e9f6a36410b6898af9bcfa"` [INFO] running `"docker" "rm" "-f" "4458b0f8d37db31a5d5e60f955e88ec2e61ff42c17e9f6a36410b6898af9bcfa"` [INFO] [stdout] 4458b0f8d37db31a5d5e60f955e88ec2e61ff42c17e9f6a36410b6898af9bcfa