[INFO] crate fractal 0.6.3 is already in cache
[INFO] extracting crate fractal 0.6.3 into work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/fractal/0.6.3
[INFO] extracting crate fractal 0.6.3 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/fractal/0.6.3
[INFO] validating manifest of fractal-0.6.3 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 fractal-0.6.3 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 fractal-0.6.3
[INFO] finished frobbing fractal-0.6.3
[INFO] frobbed toml for fractal-0.6.3 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/fractal/0.6.3/Cargo.toml
[INFO] started frobbing fractal-0.6.3
[INFO] finished frobbing fractal-0.6.3
[INFO] frobbed toml for fractal-0.6.3 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/fractal/0.6.3/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 fractal-0.6.3 against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-1/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/fractal/0.6.3:/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] 20f00c6c0f3bb39c9f9c4b46fbb4df25da414838532c21d4c6a65cde2b19be0a
[INFO] running `"docker" "start" "-a" "20f00c6c0f3bb39c9f9c4b46fbb4df25da414838532c21d4c6a65cde2b19be0a"`
[INFO] [stderr]     Checking statistics v0.4.1
[INFO] [stderr]     Checking special v0.8.0
[INFO] [stderr]     Checking dwt v0.5.2
[INFO] [stderr]     Checking probability v0.15.12
[INFO] [stderr]     Checking fractal v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "20f00c6c0f3bb39c9f9c4b46fbb4df25da414838532c21d4c6a65cde2b19be0a"`
[INFO] running `"docker" "rm" "-f" "20f00c6c0f3bb39c9f9c4b46fbb4df25da414838532c21d4c6a65cde2b19be0a"`
[INFO] [stdout] 20f00c6c0f3bb39c9f9c4b46fbb4df25da414838532c21d4c6a65cde2b19be0a