[INFO] crate hypercore 0.8.1 is already in cache
[INFO] extracting crate hypercore 0.8.1 into work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/hypercore/0.8.1
[INFO] extracting crate hypercore 0.8.1 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/hypercore/0.8.1
[INFO] validating manifest of hypercore-0.8.1 on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hypercore-0.8.1 on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hypercore-0.8.1
[INFO] finished frobbing hypercore-0.8.1
[INFO] frobbed toml for hypercore-0.8.1 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/hypercore/0.8.1/Cargo.toml
[INFO] started frobbing hypercore-0.8.1
[INFO] finished frobbing hypercore-0.8.1
[INFO] frobbed toml for hypercore-0.8.1 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/hypercore/0.8.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hypercore-0.8.1 against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-4/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/hypercore/0.8.1:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 692ae5cbb997221d55cb1d0d250153f23a7a892d15520b60c838dddc74136033
[INFO] running `"docker" "start" "-a" "692ae5cbb997221d55cb1d0d250153f23a7a892d15520b60c838dddc74136033"`
[INFO] [stderr]     Checking flat-tree v3.7.0
[INFO] [stderr]     Checking mkdirp v0.1.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling curve25519-dalek v0.20.0
[INFO] [stderr]     Checking memory-pager v0.8.0
[INFO] [stderr]     Checking pretty-hash v0.4.0
[INFO] [stderr]     Checking sleep-parser v0.7.0
[INFO] [stderr]     Checking random-access-memory v0.5.0
[INFO] [stderr]     Checking random-access-disk v0.6.0
[INFO] [stderr]     Checking merkle-tree-stream v0.7.0
[INFO] [stderr]     Checking sparse-bitfield v0.8.1
[INFO] [stderr]     Checking tree-index v0.5.0
[INFO] [stderr]     Checking ed25519-dalek v0.8.1
[INFO] [stderr]     Checking hypercore v0.8.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `"docker" "inspect" "692ae5cbb997221d55cb1d0d250153f23a7a892d15520b60c838dddc74136033"`
[INFO] running `"docker" "rm" "-f" "692ae5cbb997221d55cb1d0d250153f23a7a892d15520b60c838dddc74136033"`
[INFO] [stdout] 692ae5cbb997221d55cb1d0d250153f23a7a892d15520b60c838dddc74136033